7.8.0

Merge branch 'feature-fuzzy-hashes'
Added SSDEEP and CTPH operations
2025-12-05 23:53:27 +00:00 · 2018-03-04 18:45:23 +00:00 · 2018-03-04 18:45:15 +00:00 · 2018-03-04 18:41:41 +00:00 · 2018-03-04 17:51:39 +00:00 · 2018-03-04 17:49:36 +00:00
80 changed files with 8453 additions and 28801 deletions
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -35,7 +35,6 @@
        }],

        // disable rules from base configurations
-        "no-console": "off",
        "no-control-regex": "off",

        // stylistic conventions
@@ -52,6 +51,7 @@
            "mode": "minimum"
        }],
        "indent": ["error", 4, {
+            "ignoreComments": true,
            "ArrayExpression": "first",
            "SwitchCase": 1
        }],
@@ -90,6 +90,7 @@
        "$": false,
        "jQuery": false,
        "moment": false,
+        "log": false,

        "COMPILE_TIME": false,
        "COMPILE_MSG": false,
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ script:
  - grunt node
  - grunt prod --msg="$COMPILE_MSG"
 before_deploy:
+  - grunt exec:sitemap
  - grunt copy:ghPages
 deploy:
  - provider: pages
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -185,8 +185,12 @@ module.exports = function (grunt) {
        webpack: {
            options: webpackConfig,
            metaConf: {
+                mode: "production",
                target: "node",
-                entry: "./src/core/config/OperationConfig.js",
+                entry: [
+                    "babel-polyfill",
+                    "./src/core/config/OperationConfig.js"
+                ],
                output: {
                    filename: "MetaConfig.js",
                    path: __dirname + "/src/core/config/",
@@ -197,8 +201,12 @@ module.exports = function (grunt) {
                externals: [NodeExternals()],
            },
            metaConfDev: {
+                mode: "development",
                target: "node",
-                entry: "./src/core/config/OperationConfig.js",
+                entry: [
+                    "babel-polyfill",
+                    "./src/core/config/OperationConfig.js"
+                ],
                output: {
                    filename: "MetaConfig.js",
                    path: __dirname + "/src/core/config/",
@@ -210,9 +218,11 @@ module.exports = function (grunt) {
                watch: true
            },
            web: {
+                mode: "production",
                target: "web",
                entry: Object.assign({
-                    main: "./src/web/index.js"
+                    main: "./src/web/index.js",
+                    sitemap: "./src/web/static/sitemap.js"
                }, moduleEntryPoints),
                output: {
                    path: __dirname + "/build/prod"
@@ -224,15 +234,6 @@ module.exports = function (grunt) {
                },
                plugins: [
                    new webpack.DefinePlugin(BUILD_CONSTANTS),
-                    new webpack.optimize.UglifyJsPlugin({
-                        compress: {
-                            "screw_ie8": true,
-                            "dead_code": true,
-                            "unused": true,
-                            "warnings": false
-                        },
-                        comments: false,
-                    }),
                    new HtmlWebpackPlugin({
                        filename: "index.html",
                        template: "./src/web/html/index.html",
@@ -249,6 +250,7 @@ module.exports = function (grunt) {
                ]
            },
            webInline: {
+                mode: "production",
                target: "web",
                entry: "./src/web/index.js",
                output: {
@@ -256,21 +258,14 @@ module.exports = function (grunt) {
                    path: __dirname + "/build/prod"
                },
                plugins: [
-                    new webpack.DefinePlugin(BUILD_CONSTANTS),
-                    new webpack.optimize.UglifyJsPlugin({
-                        compress: {
-                            "screw_ie8": true,
-                            "dead_code": true,
-                            "unused": true,
-                            "warnings": false
-                        },
-                        comments: false,
-                    }),
+                    new webpack.DefinePlugin(Object.assign({}, BUILD_CONSTANTS, {
+                        INLINE: "true"
+                    })),
                    new HtmlWebpackPlugin({
                        filename: "cyberchef.htm",
                        template: "./src/web/html/index.html",
                        compileTime: compileTime,
-                        version: pkg.version,
+                        version: pkg.version + "s",
                        inline: true,
                        minify: {
                            removeComments: true,
@@ -282,6 +277,7 @@ module.exports = function (grunt) {
                ]
            },
            tests: {
+                mode: "development",
                target: "node",
                entry: "./test/index.js",
                externals: [NodeExternals()],
@@ -294,6 +290,7 @@ module.exports = function (grunt) {
                ]
            },
            node: {
+                mode: "production",
                target: "node",
                entry: "./src/node/index.js",
                externals: [NodeExternals()],
@@ -320,11 +317,13 @@ module.exports = function (grunt) {
                    children: false,
                    chunks: false,
                    modules: false,
+                    entrypoints: false,
                    warningsFilter: /source-map/,
                }
            },
            start: {
                webpack: {
+                    mode: "development",
                    target: "web",
                    entry: Object.assign({
                        main: "./src/web/index.js"
@@ -371,7 +370,7 @@ module.exports = function (grunt) {
                        expand: true,
                        src: "docs/**",
                        dest: "build/prod/"
-                    }
+                    },
                ]
            }
        },
@@ -400,6 +399,9 @@ module.exports = function (grunt) {
            cleanGit: {
                command: "git gc --prune=now --aggressive"
            },
+            sitemap: {
+                command: "node build/prod/sitemap.js > build/prod/sitemap.xml"
+            }
        },
        execute: {
            test: "build/test/index.js"
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Cryptographic operations in CyberChef should not be relied upon to provide secur

 There are four main areas in CyberChef:

- 1. The **input** box in the top right, where you can paste, type or drag the data you want to operate on.
+ 1. The **input** box in the top right, where you can paste, type or drag the text or file you want to operate on.
 2. The **output** box in the bottom right, where the outcome of your processing will be displayed.
 3. The **operations** list on the far left, where you can find all the operations that CyberChef is capable of in categorised lists, or by searching.
 4. The **recipe** area in the middle, where you can drag the operations that you want to use and specify arguments and options.
@@ -42,32 +42,32 @@ You can use as many operations as you like in simple or complex ways. Some examp
 - [Display multiple timestamps as full dates][7]
 - [Carry out different operations on data of different types][8]
 - [Use parts of the input as arguments to operations][9]
+ - [Perform AES decryption, extracting the IV from the beginning of the cipher stream][10]


 ## Features

 - Drag and drop
     - Operations can be dragged in and out of the recipe list, or reorganised.
-     - Files can be dragged over the input box to load them directly.
+     - Files can be dragged over the input box to load them directly into the browser.
 - Auto Bake
-     - Whenever you modify the input or the recipe, CyberChef will automatically “bake” for you and produce the output immediately.
+     - Whenever you modify the input or the recipe, CyberChef will automatically "bake" for you and produce the output immediately.
     - This can be turned off and operated manually if it is affecting performance (if the input is very large, for instance).
-     - If any bake takes longer than 200 milliseconds, auto bake will be switched off automatically to prevent further performance issues.
 - Breakpoints
     - You can set breakpoints on any operation in your recipe to pause execution before running it.
     - You can also step through the recipe one operation at a time to see what the data looks like at each stage.
 - Save and load recipes
-     - If you come up with an awesome recipe that you know you’ll want to use again, just click save and add it to your local storage. It'll be waiting for you next time you visit CyberChef.
-     - You can also copy a URL which includes your recipe and input which can be shared with others.
+     - If you come up with an awesome recipe that you know you’ll want to use again, just click "Save recipe" and add it to your local storage. It'll be waiting for you next time you visit CyberChef.
+     - You can also copy the URL, which includes your recipe and input, to easily share it with others.
 - Search
     - If you know the name of the operation you want or a word associated with it, start typing it into the search field and any matching operations will immediately be shown.
 - Highlighting
-     - When you highlight text in the input or output, the offset and length values will be displayed and, if possible, the corresponding data will be highlighted in the output or input respectively (example: [highlight the word 'question' in the input to see where it appears in the output][10]).
+     - When you highlight text in the input or output, the offset and length values will be displayed and, if possible, the corresponding data will be highlighted in the output or input respectively (example: [highlight the word 'question' in the input to see where it appears in the output][11]).
 - Save to file and load from file
-     - You can save the output to a file at any time or load a file by dragging and dropping it into the input field (note that files larger than about 500kb may cause your browser to hang or even crash due to the way that browsers handle large amounts of textual data).
+     - You can save the output to a file at any time or load a file by dragging and dropping it into the input field. Files up to around 500MB are supported (depending on your browser), however some operations may take a very long time to run over this much data.
 - CyberChef is entirely client-side
-     - It should be noted that none of your input or recipe configuration is ever sent to the CyberChef web server - all processing is carried out within your browser, on your own computer.
-     - Due to this feature, CyberChef can be compiled into a single HTML file. You can download this file and drop it into a virtual machine, share it with other people, or use it independently on your desktop.
+     - It should be noted that none of your recipe configuration or input (either text or files) is ever sent to the CyberChef web server - all processing is carried out within your browser, on your own computer.
+     - Due to this feature, CyberChef can be compiled into a single HTML file. You can download this file and drop it into a virtual machine, share it with other people, or use it independently on your local machine.


 ## Browser support
@@ -100,6 +100,7 @@ CyberChef is released under the [Apache 2.0 Licence](https://www.apache.org/lice
  [5]: https://gchq.github.io/CyberChef/#recipe=From_Hexdump()Gunzip()&input=MDAwMDAwMDAgIDFmIDhiIDA4IDAwIDEyIGJjIGYzIDU3IDAwIGZmIDBkIGM3IGMxIDA5IDAwIDIwICB8Li4uLi6881cu/y7HwS4uIHwKMDAwMDAwMTAgIDA4IDA1IGQwIDU1IGZlIDA0IDJkIGQzIDA0IDFmIGNhIDhjIDQ0IDIxIDViIGZmICB8Li7QVf4uLdMuLsouRCFb/3wKMDAwMDAwMjAgIDYwIGM3IGQ3IDAzIDE2IGJlIDQwIDFmIDc4IDRhIDNmIDA5IDg5IDBiIDlhIDdkICB8YMfXLi6%2BQC54Sj8uLi4ufXwKMDAwMDAwMzAgIDRlIGM4IDRlIDZkIDA1IDFlIDAxIDhiIDRjIDI0IDAwIDAwIDAwICAgICAgICAgICB8TshObS4uLi5MJC4uLnw
  [6]: https://gchq.github.io/CyberChef/#recipe=RC4(%7B'option':'UTF8','string':'secret'%7D,'Hex','Hex')Disassemble_x86('64','Full%20x86%20architecture',16,0,true,true)&input=MjFkZGQyNTQwMTYwZWU2NWZlMDc3NzEwM2YyYTM5ZmJlNWJjYjZhYTBhYWJkNDE0ZjkwYzZjYWY1MzEyNzU0YWY3NzRiNzZiM2JiY2QxOTNjYjNkZGZkYmM1YTI2NTMzYTY4NmI1OWI4ZmVkNGQzODBkNDc0NDIwMWFlYzIwNDA1MDcxMzhlMmZlMmIzOTUwNDQ2ZGIzMWQyYmM2MjliZTRkM2YyZWIwMDQzYzI5M2Q3YTVkMjk2MmMwMGZlNmRhMzAwNzJkOGM1YTZiNGZlN2Q4NTlhMDQwZWVhZjI5OTczMzYzMDJmNWEwZWMxOQ
  [7]: https://gchq.github.io/CyberChef/#recipe=Fork('%5C%5Cn','%5C%5Cn',false)From_UNIX_Timestamp('Seconds%20(s)')&input=OTc4MzQ2ODAwCjEwMTI2NTEyMDAKMTA0NjY5NjQwMAoxMDgxMDg3MjAwCjExMTUzMDUyMDAKMTE0OTYwOTYwMA
-  [8]: https://gchq.github.ioeCyberChef/#recipe=Fork('%5C%5Cn','%5C%5Cn',false)Conditional_Jump('1',false,'base64',10)To_Hex('Space')Return()Label('base64')To_Base64('A-Za-z0-9%2B/%3D')&input=U29tZSBkYXRhIHdpdGggYSAxIGluIGl0ClNvbWUgZGF0YSB3aXRoIGEgMiBpbiBpdA
+  [8]: https://gchq.github.io/CyberChef/#recipe=Fork('%5C%5Cn','%5C%5Cn',false)Conditional_Jump('1',false,'base64',10)To_Hex('Space')Return()Label('base64')To_Base64('A-Za-z0-9%2B/%3D')&input=U29tZSBkYXRhIHdpdGggYSAxIGluIGl0ClNvbWUgZGF0YSB3aXRoIGEgMiBpbiBpdA
  [9]: https://gchq.github.io/CyberChef/#recipe=Register('key%3D(%5B%5C%5Cda-f%5D*)',true,false)Find_/_Replace(%7B'option':'Regex','string':'.*data%3D(.*)'%7D,'$1',true,false,true)RC4(%7B'option':'Hex','string':'$R0'%7D,'Hex','Latin1')&input=aHR0cDovL21hbHdhcmV6LmJpei9iZWFjb24ucGhwP2tleT0wZTkzMmE1YyZkYXRhPThkYjdkNWViZTM4NjYzYTU0ZWNiYjMzNGUzZGIxMQ
-  [10]: https://gchq.github.io/CyberChef/#recipe=XOR(%7B'option':'Hex','string':'3a'%7D,'',false)To_Hexdump(16,false,false)&input=VGhlIGFuc3dlciB0byB0aGUgdWx0aW1hdGUgcXVlc3Rpb24gb2YgbGlmZSwgdGhlIFVuaXZlcnNlLCBhbmQgZXZlcnl0aGluZyBpcyA0Mi4
+  [10]: https://gchq.github.io/CyberChef/#recipe=Register('(.%7B32%7D)',true,false)Drop_bytes(0,32,false)AES_Decrypt(%7B'option':'Hex','string':'1748e7179bd56570d51fa4ba287cc3e5'%7D,%7B'option':'Hex','string':'$R0'%7D,'CTR','Hex','Raw',%7B'option':'Hex','string':''%7D)&input=NTFlMjAxZDQ2MzY5OGVmNWY3MTdmNzFmNWI0NzEyYWYyMGJlNjc0YjNiZmY1M2QzODU0NjM5NmVlNjFkYWFjNDkwOGUzMTljYTNmY2Y3MDg5YmZiNmIzOGVhOTllNzgxZDI2ZTU3N2JhOWRkNmYzMTFhMzk0MjBiODk3OGU5MzAxNGIwNDJkNDQ3MjZjYWVkZjU0MzZlYWY2NTI0MjljMGRmOTRiNTIxNjc2YzdjMmNlODEyMDk3YzI3NzI3M2M3YzcyY2Q4OWFlYzhkOWZiNGEyNzU4NmNjZjZhYTBhZWUyMjRjMzRiYTNiZmRmN2FlYjFkZGQ0Nzc2MjJiOTFlNzJjOWU3MDlhYjYwZjhkYWY3MzFlYzBjYzg1Y2UwZjc0NmZmMTU1NGE1YTNlYzI5MWNhNDBmOWU2MjlhODcyNTkyZDk4OGZkZDgzNDUzNGFiYTc5YzFhZDE2NzY3NjlhN2MwMTBiZjA0NzM5ZWNkYjY1ZDk1MzAyMzcxZDYyOWQ5ZTM3ZTdiNGEzNjFkYTQ2OGYxZWQ1MzU4OTIyZDJlYTc1MmRkMTFjMzY2ZjMwMTdiMTRhYTAxMWQyYWYwM2M0NGY5NTU3OTA5OGExNWUzY2Y5YjQ0ODZmOGZmZTljMjM5ZjM0ZGU3MTUxZjZjYTY1MDBmZTRiODUwYzNmMWMwMmU4MDFjYWYzYTI0NDY0NjE0ZTQyODAxNjE1YjhmZmFhMDdhYzgyNTE0OTNmZmRhN2RlNWRkZjMzNjg4ODBjMmI5NWIwMzBmNDFmOGYxNTA2NmFkZDA3MWE2NmNmNjBlNWY0NmYzYTIzMGQzOTdiNjUyOTYzYTIxYTUzZg
+  [11]: https://gchq.github.io/CyberChef/#recipe=XOR(%7B'option':'Hex','string':'3a'%7D,'Standard',false)To_Hexdump(16,false,false)&input=VGhlIGFuc3dlciB0byB0aGUgdWx0aW1hdGUgcXVlc3Rpb24gb2YgbGlmZSwgdGhlIFVuaXZlcnNlLCBhbmQgZXZlcnl0aGluZyBpcyA0Mi4
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "cyberchef",
-  "version": "6.8.0",
+  "version": "7.8.0",
  "description": "The Cyber Swiss Army Knife for encryption, encoding, compression and data analysis.",
  "author": "n1474335 <n1474335@gmail.com>",
  "homepage": "https://gchq.github.io/CyberChef",
@@ -31,14 +31,15 @@
  "bugs": "https://github.com/gchq/CyberChef/issues",
  "devDependencies": {
    "babel-core": "^6.26.0",
-    "babel-loader": "^7.1.2",
+    "babel-loader": "^7.1.3",
    "babel-preset-env": "^1.6.1",
-    "css-loader": "^0.28.7",
-    "exports-loader": "^0.6.4",
-    "extract-text-webpack-plugin": "^3.0.2",
-    "file-loader": "^1.1.6",
-    "grunt": ">=1.0.1",
-    "grunt-accessibility": "~5.0.0",
+    "css-loader": "^0.28.10",
+    "eslint": "^4.18.1",
+    "exports-loader": "^0.7.0",
+    "extract-text-webpack-plugin": "^4.0.0-alpha0",
+    "file-loader": "^1.1.10",
+    "grunt": ">=1.0.2",
+    "grunt-accessibility": "~6.0.0",
    "grunt-chmod": "~1.1.1",
    "grunt-concurrent": "^2.3.1",
    "grunt-contrib-clean": "~1.1.0",
@@ -46,57 +47,68 @@
    "grunt-eslint": "^20.1.0",
    "grunt-exec": "~3.0.0",
    "grunt-execute": "^0.2.2",
-    "grunt-jsdoc": "^2.2.0",
+    "grunt-jsdoc": "^2.2.1",
    "grunt-webpack": "^3.0.2",
-    "html-webpack-plugin": "^2.30.1",
-    "imports-loader": "^0.7.1",
+    "html-webpack-plugin": "^3.0.4",
+    "imports-loader": "^0.8.0",
    "ink-docstrap": "^1.3.2",
    "jsdoc-babel": "^0.3.0",
-    "less": "^2.7.3",
-    "less-loader": "^4.0.5",
+    "less": "^3.0.1",
+    "less-loader": "^4.0.6",
    "postcss-css-variables": "^0.8.0",
-    "postcss-import": "^11.0.0",
-    "postcss-loader": "^2.0.9",
-    "style-loader": "^0.19.1",
+    "postcss-import": "^11.1.0",
+    "postcss-loader": "^2.1.1",
+    "sitemap": "^1.13.0",
+    "style-loader": "^0.20.2",
    "url-loader": "^0.6.2",
    "val-loader": "^1.1.0",
-    "web-resource-inliner": "^4.2.0",
-    "webpack": "^3.10.0",
-    "webpack-dev-server": "^2.9.7",
+    "web-resource-inliner": "^4.2.1",
+    "webpack": "^4.0.1",
+    "webpack-dev-server": "^3.1.0",
    "webpack-node-externals": "^1.6.0",
-    "worker-loader": "^1.1.0"
+    "worker-loader": "^1.1.1"
  },
  "dependencies": {
    "babel-polyfill": "^6.26.0",
+    "bignumber.js": "^6.0.0",
    "bootstrap": "^3.3.7",
    "bootstrap-colorpicker": "^2.5.2",
    "bootstrap-switch": "^3.3.4",
-    "crypto-api": "^0.7.5",
+    "crypto-api": "^0.8.0",
    "crypto-js": "^3.1.9-1",
+    "ctph.js": "0.0.5",
    "diff": "^3.4.0",
-    "escodegen": "^1.9.0",
+    "escodegen": "^1.9.1",
    "esmangle": "^1.0.1",
    "esprima": "^4.0.0",
    "exif-parser": "^0.1.12",
-    "google-code-prettify": "^1.0.5",
-    "jquery": "^3.2.1",
+    "file-saver": "^1.3.3",
+    "highlight.js": "^9.12.0",
+    "jquery": "^3.3.1",
    "js-crc": "^0.2.0",
    "js-sha3": "^0.7.0",
    "jsbn": "^1.1.0",
    "jsonpath": "^1.0.0",
-    "jsrsasign": "8.0.4",
-    "lodash": "^4.17.4",
+    "jsrsasign": "8.0.6",
+    "lodash": "^4.17.5",
+    "loglevel": "^1.6.1",
+    "loglevel-message-prefix": "^3.0.0",
    "moment": "^2.20.1",
    "moment-timezone": "^0.5.14",
+    "node-forge": "^0.7.2",
    "node-md6": "^0.1.0",
    "nwmatcher": "^1.4.3",
    "otp": "^0.1.3",
    "sladex-blowfish": "^0.8.1",
    "sortablejs": "^1.7.0",
    "split.js": "^1.3.5",
+    "ssdeep.js": "0.0.2",
+    "ua-parser-js": "^0.7.17",
+    "utf8": "^3.0.0",
    "vkbeautify": "^0.99.3",
    "xmldom": "^0.1.27",
    "xpath": "0.0.27",
+    "xregexp": "^4.1.1",
    "zlibjs": "^0.3.1"
  },
  "scripts": {
--- a/src/core/Chef.js
+++ b/src/core/Chef.js
@@ -19,7 +19,7 @@ const Chef = function() {
 /**
 * Runs the recipe over the input.
 *
- * @param {string} inputText - The input data as a string
+ * @param {string|ArrayBuffer} input - The input data as a string or ArrayBuffer
 * @param {Object[]} recipeConfig - The recipe configuration object
 * @param {Object} options - The options object storing various user choices
 * @param {boolean} options.attempHighlight - Whether or not to attempt highlighting
@@ -33,11 +33,13 @@ const Chef = function() {
 * @returns {number} response.duration - The number of ms it took to execute the recipe
 * @returns {number} response.error - The error object thrown by a failed operation (false if no error)
 */
-Chef.prototype.bake = async function(inputText, recipeConfig, options, progress, step) {
-    let startTime  = new Date().getTime(),
+Chef.prototype.bake = async function(input, recipeConfig, options, progress, step) {
+    log.debug("Chef baking");
+    const startTime  = new Date().getTime(),
        recipe     = new Recipe(recipeConfig),
        containsFc = recipe.containsFlowControl(),
-        error      = false;
+        notUTF8    = options && options.hasOwnProperty("treatAsUtf8") && !options.treatAsUtf8;
+    let error      = false;

    if (containsFc && ENVIRONMENT_IS_WORKER()) self.setOption("attemptHighlight", false);

@@ -62,23 +64,30 @@ Chef.prototype.bake = async function(inputText, recipeConfig, options, progress,

    // If starting from scratch, load data
    if (progress === 0) {
-        this.dish.set(inputText, Dish.STRING);
+        const type = input instanceof ArrayBuffer ? Dish.ARRAY_BUFFER : Dish.STRING;
+        this.dish.set(input, type);
    }

    try {
        progress = await recipe.execute(this.dish, progress);
    } catch (err) {
-        console.log(err);
+        log.error(err);
        error = {
            displayStr: err.displayStr,
        };
        progress = err.progress;
    }

+    // Depending on the size of the output, we may send it back as a string or an ArrayBuffer.
+    // This can prevent unnecessary casting as an ArrayBuffer can be easily downloaded as a file.
+    // The threshold is specified in KiB.
+    const threshold = (options.ioDisplayThreshold || 1024) * 1024;
+    const returnType = this.dish.size() > threshold ? Dish.ARRAY_BUFFER : Dish.STRING;
+
    return {
        result: this.dish.type === Dish.HTML ?
-            this.dish.get(Dish.HTML) :
-            this.dish.get(Dish.STRING),
+            this.dish.get(Dish.HTML, notUTF8) :
+            this.dish.get(returnType, notUTF8),
        type: Dish.enumLookup(this.dish.type),
        progress: progress,
        duration: new Date().getTime() - startTime,
@@ -105,6 +114,8 @@ Chef.prototype.bake = async function(inputText, recipeConfig, options, progress,
 * @returns {number} The time it took to run the silent bake in milliseconds.
 */
 Chef.prototype.silentBake = function(recipeConfig) {
+    log.debug("Running silent bake");
+
    let startTime = new Date().getTime(),
        recipe    = new Recipe(recipeConfig),
        dish      = new Dish("", Dish.STRING);
--- a/src/core/ChefWorker.js
+++ b/src/core/ChefWorker.js
@@ -11,6 +11,15 @@ import Chef from "./Chef.js";
 import OperationConfig from "./config/MetaConfig.js";
 import OpModules from "./config/modules/Default.js";

+// Add ">" to the start of all log messages in the Chef Worker
+import loglevelMessagePrefix from "loglevel-message-prefix";
+
+loglevelMessagePrefix(log, {
+    prefixes: [],
+    staticPrefixes: [">"],
+    prefixFormat: "%p"
+});
+

 // Set up Chef instance
 self.chef = new Chef();
@@ -42,6 +51,8 @@ self.postMessage({
 self.addEventListener("message", function(e) {
    // Handle message
    const r = e.data;
+    log.debug("ChefWorker receiving command '" + r.action + "'");
+
    switch (r.action) {
        case "bake":
            bake(r.data);
@@ -61,6 +72,9 @@ self.addEventListener("message", function(e) {
                r.data.pos
            );
            break;
+        case "setLogLevel":
+            log.setLevel(r.data, false);
+            break;
        default:
            break;
    }
@@ -86,7 +100,7 @@ async function bake(data) {
        );

        self.postMessage({
-            action: "bakeSuccess",
+            action: "bakeComplete",
            data: response
        });
    } catch (err) {
@@ -121,9 +135,10 @@ function loadRequiredModules(recipeConfig) {
        let module = self.OperationConfig[op.op].module;

        if (!OpModules.hasOwnProperty(module)) {
-            console.log("Loading module " + module);
+            log.info("Loading module " + module);
            self.sendStatusMessage("Loading module " + module);
            self.importScripts(self.docURL + "/" + module + ".js");
+            self.sendStatusMessage("");
        }
    });
 }
--- a/src/core/Dish.js
+++ b/src/core/Dish.js
@@ -1,18 +1,20 @@
 import Utils from "./Utils.js";
+import BigNumber from "bignumber.js";

 /**
 * The data being operated on by each operation.
 *
 * @author n1474335 [n1474335@gmail.com]
+ * @author Matt C [matt@artemisbot.uk]
 * @copyright Crown Copyright 2016
 * @license Apache-2.0
 *
 * @class
- * @param {byteArray|string|number} value - The value of the input data.
+ * @param {byteArray|string|number|ArrayBuffer|BigNumber} value - The value of the input data.
 * @param {number} type - The data type of value, see Dish enums.
 */
 const Dish = function(value, type) {
-    this.value = value || typeof value == "string" ? value : null;
+    this.value = value || typeof value === "string" ? value : null;
    this.type = type || Dish.BYTE_ARRAY;
 };

@@ -41,6 +43,18 @@ Dish.NUMBER = 2;
 * @enum
 */
 Dish.HTML = 3;
+/**
+ * Dish data type enum for ArrayBuffers.
+ * @readonly
+ * @enum
+ */
+Dish.ARRAY_BUFFER = 4;
+/**
+ * Dish data type enum for BigNumbers.
+ * @readonly
+ * @enum
+ */
+Dish.BIG_NUMBER = 5;


 /**
@@ -51,19 +65,22 @@ Dish.HTML = 3;
 * @returns {number} The data type enum value.
 */
 Dish.typeEnum = function(typeStr) {
-    switch (typeStr) {
-        case "byteArray":
-        case "Byte array":
+    switch (typeStr.toLowerCase()) {
+        case "bytearray":
+        case "byte array":
            return Dish.BYTE_ARRAY;
        case "string":
-        case "String":
            return Dish.STRING;
        case "number":
-        case "Number":
            return Dish.NUMBER;
        case "html":
-        case "HTML":
            return Dish.HTML;
+        case "arraybuffer":
+        case "array buffer":
+            return Dish.ARRAY_BUFFER;
+        case "bignumber":
+        case "big number":
+            return Dish.BIG_NUMBER;
        default:
            throw "Invalid data type string. No matching enum.";
    }
@@ -74,8 +91,8 @@ Dish.typeEnum = function(typeStr) {
 * Returns the data type string for the given type enum.
 *
 * @static
- * @param {string} typeEnum - The enum value of the data type.
- * @returns {number} The data type as a string.
+ * @param {number} typeEnum - The enum value of the data type.
+ * @returns {string} The data type as a string.
 */
 Dish.enumLookup = function(typeEnum) {
    switch (typeEnum) {
@@ -87,6 +104,10 @@ Dish.enumLookup = function(typeEnum) {
            return "number";
        case Dish.HTML:
            return "html";
+        case Dish.ARRAY_BUFFER:
+            return "ArrayBuffer";
+        case Dish.BIG_NUMBER:
+            return "BigNumber";
        default:
            throw "Invalid data type enum. No matching type.";
    }
@@ -96,10 +117,11 @@ Dish.enumLookup = function(typeEnum) {
 /**
 * Sets the data value and type and then validates them.
 *
- * @param {byteArray|string|number} value - The value of the input data.
+ * @param {byteArray|string|number|ArrayBuffer|BigNumber} value - The value of the input data.
 * @param {number} type - The data type of value, see Dish enums.
 */
 Dish.prototype.set = function(value, type) {
+    log.debug("Dish type: " + Dish.enumLookup(type));
    this.value = value;
    this.type = type;

@@ -114,11 +136,12 @@ Dish.prototype.set = function(value, type) {
 * Returns the value of the data in the type format specified.
 *
 * @param {number} type - The data type of value, see Dish enums.
- * @returns {byteArray|string|number} The value of the output data.
+ * @param {boolean} [notUTF8] - Do not treat strings as UTF8.
+ * @returns {byteArray|string|number|ArrayBuffer|BigNumber} The value of the output data.
 */
-Dish.prototype.get = function(type) {
+Dish.prototype.get = function(type, notUTF8) {
    if (this.type !== type) {
-        this.translate(type);
+        this.translate(type, notUTF8);
    }
    return this.value;
 };
@@ -128,37 +151,59 @@ Dish.prototype.get = function(type) {
 * Translates the data to the given type format.
 *
 * @param {number} toType - The data type of value, see Dish enums.
+ * @param {boolean} [notUTF8] - Do not treat strings as UTF8.
 */
-Dish.prototype.translate = function(toType) {
+Dish.prototype.translate = function(toType, notUTF8) {
+    log.debug(`Translating Dish from ${Dish.enumLookup(this.type)} to ${Dish.enumLookup(toType)}`);
+    const byteArrayToStr = notUTF8 ? Utils.byteArrayToChars : Utils.byteArrayToUtf8;
+
    // Convert data to intermediate byteArray type
    switch (this.type) {
        case Dish.STRING:
            this.value = this.value ? Utils.strToByteArray(this.value) : [];
-            this.type = Dish.BYTE_ARRAY;
            break;
        case Dish.NUMBER:
            this.value = typeof this.value == "number" ? Utils.strToByteArray(this.value.toString()) : [];
-            this.type = Dish.BYTE_ARRAY;
            break;
        case Dish.HTML:
            this.value = this.value ? Utils.strToByteArray(Utils.unescapeHtml(Utils.stripHtmlTags(this.value, true))) : [];
-            this.type = Dish.BYTE_ARRAY;
+            break;
+        case Dish.ARRAY_BUFFER:
+            // Array.from() would be nicer here, but it's slightly slower
+            this.value = Array.prototype.slice.call(new Uint8Array(this.value));
+            break;
+        case Dish.BIG_NUMBER:
+            this.value = this.value instanceof BigNumber ? Utils.strToByteArray(this.value.toFixed()) : [];
            break;
        default:
            break;
    }

+    this.type = Dish.BYTE_ARRAY;
+
    // Convert from byteArray to toType
    switch (toType) {
        case Dish.STRING:
        case Dish.HTML:
-            this.value = this.value ? Utils.byteArrayToUtf8(this.value) : "";
+            this.value = this.value ? byteArrayToStr(this.value) : "";
            this.type = Dish.STRING;
            break;
        case Dish.NUMBER:
-            this.value = this.value ? parseFloat(Utils.byteArrayToUtf8(this.value)) : 0;
+            this.value = this.value ? parseFloat(byteArrayToStr(this.value)) : 0;
            this.type = Dish.NUMBER;
            break;
+        case Dish.ARRAY_BUFFER:
+            this.value = new Uint8Array(this.value).buffer;
+            this.type = Dish.ARRAY_BUFFER;
+            break;
+        case Dish.BIG_NUMBER:
+            try {
+                this.value = new BigNumber(byteArrayToStr(this.value));
+            } catch (err) {
+                this.value = new BigNumber(NaN);
+            }
+            this.type = Dish.BIG_NUMBER;
+            break;
        default:
            break;
    }
@@ -180,7 +225,7 @@ Dish.prototype.valid = function() {

            // Check that every value is a number between 0 - 255
            for (let i = 0; i < this.value.length; i++) {
-                if (typeof this.value[i] != "number" ||
+                if (typeof this.value[i] !== "number" ||
                    this.value[i] < 0 ||
                    this.value[i] > 255) {
                    return false;
@@ -189,18 +234,41 @@ Dish.prototype.valid = function() {
            return true;
        case Dish.STRING:
        case Dish.HTML:
-            if (typeof this.value == "string") {
-                return true;
-            }
-            return false;
+            return typeof this.value === "string";
        case Dish.NUMBER:
-            if (typeof this.value == "number") {
-                return true;
-            }
-            return false;
+            return typeof this.value === "number";
+        case Dish.ARRAY_BUFFER:
+            return this.value instanceof ArrayBuffer;
+        case Dish.BIG_NUMBER:
+            return this.value instanceof BigNumber;
        default:
            return false;
    }
 };

+
+/**
+ * Determines how much space the Dish takes up.
+ * Numbers in JavaScript are 64-bit floating point, however for the purposes of the Dish,
+ * we measure how many bytes are taken up when the number is written as a string.
+ *
+ * @returns {number}
+*/
+Dish.prototype.size = function() {
+    switch (this.type) {
+        case Dish.BYTE_ARRAY:
+        case Dish.STRING:
+        case Dish.HTML:
+            return this.value.length;
+        case Dish.NUMBER:
+        case Dish.BIG_NUMBER:
+            return this.value.toString().length;
+        case Dish.ARRAY_BUFFER:
+            return this.value.byteLength;
+        default:
+            return -1;
+    }
+};
+
+
 export default Dish;
--- a/src/core/FlowControl.js
+++ b/src/core/FlowControl.js
@@ -52,13 +52,25 @@ const FlowControl = {
            output = "",
            progress = 0;

+        state.forkOffset += state.progress + 1;
+
        recipe.addOperations(subOpList);

+        // Take a deep(ish) copy of the ingredient values
+        const ingValues = subOpList.map(op => JSON.parse(JSON.stringify(op.getIngValues())));
+
        // Run recipe over each tranche
        for (i = 0; i < inputs.length; i++) {
+            log.debug(`Entering tranche ${i + 1} of ${inputs.length}`);
+
+            // Baseline ing values for each tranche so that registers are reset
+            subOpList.forEach((op, i) => {
+                op.setIngValues(JSON.parse(JSON.stringify(ingValues[i])));
+            });
+
            const dish = new Dish(inputs[i], inputType);
            try {
-                progress = await recipe.execute(dish, 0);
+                progress = await recipe.execute(dish, 0, state);
            } catch (err) {
                if (!ignoreErrors) {
                    throw err;
@@ -116,7 +128,7 @@ const FlowControl = {
        if (!registers) return state;

        if (ENVIRONMENT_IS_WORKER()) {
-            self.setRegisters(state.progress, state.numRegisters, registers.slice(1));
+            self.setRegisters(state.forkOffset + state.progress, state.numRegisters, registers.slice(1));
        }

        /**
@@ -169,16 +181,19 @@ const FlowControl = {
     * @returns {Object} The updated state of the recipe.
     */
    runJump: function(state) {
-        let ings     = state.opList[state.progress].getIngValues(),
-            jmpIndex = FlowControl._getLabelIndex(ings[0], state),
-            maxJumps = ings[1];
+        const ings     = state.opList[state.progress].getIngValues(),
+            label = ings[0],
+            maxJumps = ings[1],
+            jmpIndex = FlowControl._getLabelIndex(label, state);

        if (state.numJumps >= maxJumps || jmpIndex === -1) {
+            log.debug("Maximum jumps reached or label cannot be found");
            return state;
        }

        state.progress = jmpIndex;
        state.numJumps++;
+        log.debug(`Jumping to label '${label}' at position ${jmpIndex} (jumps = ${state.numJumps})`);
        return state;
    },

@@ -194,14 +209,16 @@ const FlowControl = {
     * @returns {Object} The updated state of the recipe.
     */
    runCondJump: function(state) {
-        let ings     = state.opList[state.progress].getIngValues(),
+        const ings     = state.opList[state.progress].getIngValues(),
            dish     = state.dish,
            regexStr = ings[0],
            invert   = ings[1],
-            jmpIndex = FlowControl._getLabelIndex(ings[2], state),
-            maxJumps = ings[3];
+            label    = ings[2],
+            maxJumps = ings[3],
+            jmpIndex = FlowControl._getLabelIndex(label, state);

        if (state.numJumps >= maxJumps || jmpIndex === -1) {
+            log.debug("Maximum jumps reached or label cannot be found");
            return state;
        }

@@ -210,6 +227,7 @@ const FlowControl = {
            if (!invert && strMatch || invert && !strMatch) {
                state.progress = jmpIndex;
                state.numJumps++;
+                log.debug(`Jumping to label '${label}' at position ${jmpIndex} (jumps = ${state.numJumps})`);
            }
        }

@@ -249,6 +267,7 @@ const FlowControl = {
    /**
     * Returns the index of a label.
     *
+     * @private
     * @param {Object} state
     * @param {string} name
     * @returns {number}
--- a/src/core/Recipe.js
+++ b/src/core/Recipe.js
@@ -141,23 +141,31 @@ Recipe.prototype.lastOpIndex = function(startIndex) {
 *
 * @param {Dish} dish
 * @param {number} [startFrom=0] - The index of the Operation to start executing from
+ * @param {number} [forkState={}] - If this is a forked recipe, the state of the recipe up to this point
 * @returns {number} - The final progress through the recipe
 */
-Recipe.prototype.execute = async function(dish, startFrom) {
-    startFrom = startFrom || 0;
-    let op, input, output, numJumps = 0, numRegisters = 0;
+Recipe.prototype.execute = async function(dish, startFrom = 0, forkState = {}) {
+    let op, input, output,
+        numJumps = 0,
+        numRegisters = forkState.numRegisters || 0;
+
+    log.debug(`[*] Executing recipe of ${this.opList.length} operations, starting at ${startFrom}`);

    for (let i = startFrom; i < this.opList.length; i++) {
        op = this.opList[i];
+        log.debug(`[${i}] ${op.name} ${JSON.stringify(op.getIngValues())}`);
        if (op.isDisabled()) {
+            log.debug("Operation is disabled, skipping");
            continue;
        }
        if (op.isBreakpoint()) {
+            log.debug("Pausing at breakpoint");
            return i;
        }

        try {
            input = dish.get(op.inputType);
+            log.debug("Executing operation");

            if (op.isFlowControl()) {
                // Package up the current state
@@ -166,7 +174,8 @@ Recipe.prototype.execute = async function(dish, startFrom) {
                    "dish":         dish,
                    "opList":       this.opList,
                    "numJumps":     numJumps,
-                    "numRegisters": numRegisters
+                    "numRegisters": numRegisters,
+                    "forkOffset":   forkState.forkOffset || 0
                };

                state = await op.run(state);
@@ -193,6 +202,7 @@ Recipe.prototype.execute = async function(dish, startFrom) {
        }
    }

+    log.debug("Recipe complete");
    return this.opList.length;
 };

@@ -250,4 +260,5 @@ Recipe.prototype.generateHighlightList = function() {
    return highlights;
 };

+
 export default Recipe;
--- a/src/core/Utils.js
+++ b/src/core/Utils.js
@@ -1,4 +1,4 @@
-import CryptoJS from "crypto-js";
+import utf8 from "utf8";


 /**
@@ -64,58 +64,6 @@ const Utils = {
    },


-    /**
-     * Adds leading zeros to strings
-     *
-     * @param {string} str - String to add leading characters to.
-     * @param {number} max - Maximum width of the string.
-     * @param {char} [chr='0'] - The character to pad with.
-     * @returns {string}
-     *
-     * @example
-     * // returns "0a"
-     * Utils.padLeft("a", 2);
-     *
-     * // returns "000a"
-     * Utils.padLeft("a", 4);
-     *
-     * // returns "xxxa"
-     * Utils.padLeft("a", 4, "x");
-     *
-     * // returns "bcabchello"
-     * Utils.padLeft("hello", 10, "abc");
-     */
-    padLeft: function(str, max, chr) {
-        chr = chr || "0";
-        let startIndex = chr.length - (max - str.length);
-        startIndex = startIndex < 0 ? 0 : startIndex;
-        return str.length < max ?
-            Utils.padLeft(chr.slice(startIndex, chr.length) + str, max, chr) : str;
-    },
-
-
-    /**
-     * Adds trailing spaces to strings.
-     *
-     * @param {string} str - String to add trailing characters to.
-     * @param {number} max - Maximum width of the string.
-     * @param {char} [chr='0'] - The character to pad with.
-     * @returns {string}
-     *
-     * @example
-     * // returns "a   "
-     * Utils.padRight("a", 4);
-     *
-     * // returns "axxx"
-     * Utils.padRight("a", 4, "x");
-     */
-    padRight: function(str, max, chr) {
-        chr = chr || " ";
-        return str.length < max ?
-            Utils.padRight(str + chr.slice(0, max-str.length), max, chr) : str;
-    },
-
-
    /**
     * Adds trailing bytes to a byteArray.
     *
@@ -152,14 +100,6 @@ const Utils = {
    },


-    /**
-     * @alias Utils.padLeft
-     */
-    pad: function(str, max, chr) {
-        return Utils.padLeft(str, max, chr);
-    },
-
-
    /**
     * Truncates a long string to max length and adds suffix.
     *
@@ -201,7 +141,7 @@ const Utils = {
    hex: function(c, length) {
        c = typeof c == "string" ? Utils.ord(c) : c;
        length = length || 2;
-        return Utils.pad(c.toString(16), length);
+        return c.toString(16).padStart(length, "0");
    },


@@ -222,7 +162,7 @@ const Utils = {
    bin: function(c, length) {
        c = typeof c == "string" ? Utils.ord(c) : c;
        length = length || 8;
-        return Utils.pad(c.toString(2), length);
+        return c.toString(2).padStart(length, "0");
    },


@@ -261,7 +201,7 @@ const Utils = {
     * Utils.parseEscapedChars("\\n");
     */
    parseEscapedChars: function(str) {
-        return str.replace(/(\\)?\\([nrtbf]|x[\da-f]{2})/g, function(m, a, b) {
+        return str.replace(/(\\)?\\([nrtbf]|x[\da-fA-F]{2})/g, function(m, a, b) {
            if (a === "\\") return "\\"+b;
            switch (b[0]) {
                case "n":
@@ -340,6 +280,72 @@ const Utils = {
    },


+    /**
+     * Coverts data of varying types to a byteArray.
+     * Accepts hex, Base64, UTF8 and Latin1 strings.
+     *
+     * @param {string} str
+     * @param {string} type - One of "Hex", "Base64", "UTF8" or "Latin1"
+     * @returns {byteArray}
+     *
+     * @example
+     * // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
+     * Utils.convertToByteArray("Привет", "utf8");
+     *
+     * // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
+     * Utils.convertToByteArray("d097d0b4d180d0b0d0b2d181d182d0b2d183d0b9d182d0b5", "hex");
+     *
+     * // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
+     * Utils.convertToByteArray("0JfQtNGA0LDQstGB0YLQstGD0LnRgtC1", "base64");
+     */
+    convertToByteArray: function(str, type) {
+        switch (type.toLowerCase()) {
+            case "hex":
+                return Utils.fromHex(str);
+            case "base64":
+                return Utils.fromBase64(str, null, "byteArray");
+            case "utf8":
+                return Utils.strToUtf8ByteArray(str);
+            case "latin1":
+            default:
+                return Utils.strToByteArray(str);
+        }
+    },
+
+
+    /**
+     * Coverts data of varying types to a byte string.
+     * Accepts hex, Base64, UTF8 and Latin1 strings.
+     *
+     * @param {string} str
+     * @param {string} type - One of "Hex", "Base64", "UTF8" or "Latin1"
+     * @returns {string}
+     *
+     * @example
+     * // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
+     * Utils.convertToByteArray("Привет", "utf8");
+     *
+     * // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
+     * Utils.convertToByteArray("d097d0b4d180d0b0d0b2d181d182d0b2d183d0b9d182d0b5", "hex");
+     *
+     * // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
+     * Utils.convertToByteArray("0JfQtNGA0LDQstGB0YLQstGD0LnRgtC1", "base64");
+     */
+    convertToByteString: function(str, type) {
+        switch (type.toLowerCase()) {
+            case "hex":
+                return Utils.byteArrayToChars(Utils.fromHex(str));
+            case "base64":
+                return Utils.byteArrayToChars(Utils.fromBase64(str, null, "byteArray"));
+            case "utf8":
+                return utf8.encode(str);
+            case "latin1":
+            default:
+                return str;
+        }
+    },
+
+
    /**
     * Converts a string to a byte array.
     * Treats the string as UTF-8 if any values are over 255.
@@ -381,17 +387,17 @@ const Utils = {
     * Utils.strToUtf8ByteArray("你好");
     */
    strToUtf8ByteArray: function(str) {
-        let wordArray = CryptoJS.enc.Utf8.parse(str),
-            byteArray = Utils.wordArrayToByteArray(wordArray);
+        const utf8Str = utf8.encode(str);

-        if (str.length !== wordArray.sigBytes) {
+        if (str.length !== utf8Str.length) {
            if (ENVIRONMENT_IS_WORKER()) {
                self.setOption("attemptHighlight", false);
            } else if (ENVIRONMENT_IS_WEB()) {
                window.app.options.attemptHighlight = false;
            }
        }
-        return byteArray;
+
+        return Utils.strToByteArray(utf8Str);
    },


@@ -443,26 +449,21 @@ const Utils = {
     * Utils.byteArrayToUtf8([228,189,160,229,165,189]);
     */
    byteArrayToUtf8: function(byteArray) {
+        const str = Utils.byteArrayToChars(byteArray);
        try {
-            // Try to output data as UTF-8 string
-            const words = [];
-            for (let i = 0; i < byteArray.length; i++) {
-                words[i >>> 2] |= byteArray[i] << (24 - (i % 4) * 8);
-            }
-            let wordArray = new CryptoJS.lib.WordArray.init(words, byteArray.length),
-                str = CryptoJS.enc.Utf8.stringify(wordArray);
+            const utf8Str = utf8.decode(str);

-            if (str.length !== wordArray.sigBytes) {
+            if (str.length !== utf8Str.length) {
                if (ENVIRONMENT_IS_WORKER()) {
                    self.setOption("attemptHighlight", false);
                } else if (ENVIRONMENT_IS_WEB()) {
                    window.app.options.attemptHighlight = false;
                }
            }
-            return str;
+            return utf8Str;
        } catch (err) {
            // If it fails, treat it as ANSI
-            return Utils.byteArrayToChars(byteArray);
+            return str;
        }
    },

@@ -470,7 +471,7 @@ const Utils = {
    /**
     * Converts a charcode array to a string.
     *
-     * @param {byteArray} byteArray
+     * @param {byteArray|Uint8Array} byteArray
     * @returns {string}
     *
     * @example
@@ -491,33 +492,26 @@ const Utils = {


    /**
-     * Converts a CryptoJS.lib.WordArray to a byteArray.
+     * Converts an ArrayBuffer to a string.
     *
-     * @param {CryptoJS.lib.WordArray} wordArray
-     * @returns {byteArray}
+     * @param {ArrayBuffer} arrayBuffer
+     * @param {boolean} [utf8=true] - Whether to attempt to decode the buffer as UTF-8
+     * @returns {string}
     *
     * @example
-     * // returns [84, 101, 115, 116]
-     * Utils.wordArrayToByteArray(CryptoJS.enc.Hex.parse("54657374"));
+     * // returns "hello"
+     * Utils.arrayBufferToStr(Uint8Array.from([104,101,108,108,111]).buffer);
     */
-    wordArrayToByteArray: function(wordArray) {
-        if (wordArray.sigBytes <= 0) return [];
-
-        let words = wordArray.words,
-            byteArray = [];
-
-        for (let i = 0; i < wordArray.sigBytes; i++) {
-            byteArray.push((words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff);
-        }
-
-        return byteArray;
+    arrayBufferToStr: function(arrayBuffer, utf8=true) {
+        const byteArray = Array.prototype.slice.call(new Uint8Array(arrayBuffer));
+        return utf8 ? Utils.byteArrayToUtf8(byteArray) : Utils.byteArrayToChars(byteArray);
    },


    /**
     * Base64's the input byte array using the given alphabet, returning a string.
     *
-     * @param {byteArray|string} data
+     * @param {byteArray|Uint8Array|string} data
     * @param {string} [alphabet]
     * @returns {string}
     *
@@ -636,7 +630,7 @@ const Utils = {
    /**
     * Convert a byte array into a hex string.
     *
-     * @param {byteArray} data
+     * @param {Uint8Array|byteArray} data
     * @param {string} [delim=" "]
     * @param {number} [padding=2]
     * @returns {string}
@@ -656,7 +650,7 @@ const Utils = {
        let output = "";

        for (let i = 0; i < data.length; i++) {
-            output += Utils.pad(data[i].toString(16), padding) + delim;
+            output += data[i].toString(16).padStart(padding, "0") + delim;
        }

        // Add \x or 0x to beginning
@@ -910,9 +904,9 @@ const Utils = {
     * "Pretty" CyberChef recipe formats are designed to be included in the fragment (#) or query (?)
     * parts of the URL. They can also be loaded into CyberChef through the 'Load' interface. In order
     * to make this format as readable as possible, various special characters are used unescaped. This
-     * reduces the amount of percent-encoding included in the URL which is typically difficult to read,
-     * as well as substantially increasing the overall length. These characteristics can be quite
-     * offputting for users.
+     * reduces the amount of percent-encoding included in the URL which is typically difficult to read
+     * and substantially increases the overall length. These characteristics can be quite off-putting
+     * for users.
     *
     * @param {Object[]} recipeConfig
     * @param {boolean} newline - whether to add a newline after each operation
@@ -929,12 +923,11 @@ const Utils = {
            name = op.op.replace(/ /g, "_");
            args = JSON.stringify(op.args)
                .slice(1, -1) // Remove [ and ] as they are implied
-                // We now need to switch double-quoted (") strings to single-quotes (') as these do not
-                // need to be percent-encoded.
+                // We now need to switch double-quoted (") strings to single quotes (') as single quotes
+                // do not need to be percent-encoded.
                .replace(/'/g, "\\'") // Escape single quotes
-                .replace(/\\"/g, '"') // Unescape double quotes
-                .replace(/(^|,|{|:)"/g, "$1'") // Replace opening " with '
-                .replace(/"(,|:|}|$)/g, "'$1"); // Replace closing " with '
+                .replace(/"((?:[^"\\]|\\.)*)"/g, "'$1'") // Replace opening and closing " with '
+                .replace(/\\"/g, '"'); // Unescape double quotes

            disabled = op.disabled ? "/disabled": "";
            bp = op.breakpoint ? "/breakpoint" : "";
@@ -960,7 +953,7 @@ const Utils = {
        // Parse bespoke recipe format
        recipe = recipe.replace(/\n/g, "");
        let m,
-            recipeRegex = /([^(]+)\(((?:'[^'\\]*(?:\\.[^'\\]*)*'|[^)/])*)(\/[^)]+)?\)/g,
+            recipeRegex = /([^(]+)\(((?:'[^'\\]*(?:\\.[^'\\]*)*'|[^)/'])*)(\/[^)]+)?\)/g,
            recipeConfig = [],
            args;

@@ -1248,21 +1241,6 @@ const Utils = {
        "None":          /\s+/g // Included here to remove whitespace when there shouldn't be any
    },

-
-    /**
-     * A mapping of string formats to their classes in the CryptoJS library.
-     * @constant
-     */
-    format: {
-        "Hex":     CryptoJS.enc.Hex,
-        "Base64":  CryptoJS.enc.Base64,
-        "UTF8":    CryptoJS.enc.Utf8,
-        "UTF16":   CryptoJS.enc.Utf16,
-        "UTF16LE": CryptoJS.enc.Utf16LE,
-        "UTF16BE": CryptoJS.enc.Utf16BE,
-        "Latin1":  CryptoJS.enc.Latin1,
-    },
-
 };

 export default Utils;
@@ -1376,29 +1354,43 @@ String.prototype.count = function(chr) {
 };


-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Library overrides ///////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/**
- * Override for the CryptoJS Hex encoding parser to remove whitespace before attempting to parse
- * the hex string.
- *
- * @param {string} hexStr
- * @returns {CryptoJS.lib.WordArray}
+/*
+ * Polyfills
 */
-CryptoJS.enc.Hex.parse = function (hexStr) {
-    // Remove whitespace
-    hexStr = hexStr.replace(/\s/g, "");

-    // Shortcut
-    const hexStrLength = hexStr.length;
+// https://github.com/uxitten/polyfill/blob/master/string.polyfill.js
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart
+if (!String.prototype.padStart) {
+    String.prototype.padStart = function padStart(targetLength, padString) {
+        targetLength = targetLength>>0; //floor if number or convert non-number to 0;
+        padString = String((typeof padString !== "undefined" ? padString : " "));
+        if (this.length > targetLength) {
+            return String(this);
+        } else {
+            targetLength = targetLength-this.length;
+            if (targetLength > padString.length) {
+                padString += padString.repeat(targetLength/padString.length); //append to original to ensure we are longer than needed
+            }
+            return padString.slice(0, targetLength) + String(this);
+        }
+    };
+}

-    // Convert
-    const words = [];
-    for (let i = 0; i < hexStrLength; i += 2) {
-        words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4);
-    }

-    return new CryptoJS.lib.WordArray.init(words, hexStrLength / 2);
-};
+// https://github.com/uxitten/polyfill/blob/master/string.polyfill.js
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd
+if (!String.prototype.padEnd) {
+    String.prototype.padEnd = function padEnd(targetLength, padString) {
+        targetLength = targetLength>>0; //floor if number or convert non-number to 0;
+        padString = String((typeof padString !== "undefined" ? padString : " "));
+        if (this.length > targetLength) {
+            return String(this);
+        } else {
+            targetLength = targetLength-this.length;
+            if (targetLength > padString.length) {
+                padString += padString.repeat(targetLength/padString.length); //append to original to ensure we are longer than needed
+            }
+            return String(this) + padString.slice(0, targetLength);
+        }
+    };
+}
--- a/src/core/config/Categories.js
+++ b/src/core/config/Categories.js
@@ -79,8 +79,8 @@ const Categories = [
            "DES Decrypt",
            "Triple DES Encrypt",
            "Triple DES Decrypt",
-            "Rabbit Encrypt",
-            "Rabbit Decrypt",
+            "RC2 Encrypt",
+            "RC2 Decrypt",
            "RC4",
            "RC4 Drop",
            "ROT13",
@@ -99,6 +99,7 @@ const Categories = [
            "Substitute",
            "Derive PBKDF2 key",
            "Derive EVP key",
+            "Pseudo-Random Number Generator",
        ]
    },
    {
@@ -188,6 +189,7 @@ const Categories = [
            "Find / Replace",
            "Regular expression",
            "Offset checker",
+            "Hamming Distance",
            "Convert distance",
            "Convert area",
            "Convert mass",
@@ -198,6 +200,8 @@ const Categories = [
            "Parse colour code",
            "Escape string",
            "Unescape string",
+            "Pseudo-Random Number Generator",
+            "Sleep",
        ]
    },
    {
@@ -210,6 +214,7 @@ const Categories = [
            "Windows Filetime to UNIX Timestamp",
            "UNIX Timestamp to Windows Filetime",
            "Extract dates",
+            "Sleep",
        ]
    },
    {
@@ -265,6 +270,10 @@ const Categories = [
            "HAS-160",
            "Whirlpool",
            "Snefru",
+            "SSDEEP",
+            "CTPH",
+            "Compare SSDEEP hashes",
+            "Compare CTPH hashes",
            "HMAC",
            "Fletcher-8 Checksum",
            "Fletcher-16 Checksum",
@@ -313,6 +322,7 @@ const Categories = [
            "Detect File Type",
            "Scan for Embedded Files",
            "Disassemble x86",
+            "Pseudo-Random Number Generator",
            "Generate UUID",
            "Generate TOTP",
            "Generate HOTP",
@@ -320,6 +330,7 @@ const Categories = [
            "Remove EXIF",
            "Extract EXIF",
            "Numberwang",
+            "XKCD Random Number",
        ]
    },
    {
--- a/src/core/config/OperationConfig.js
+++ b/src/core/config/OperationConfig.js
--- a/src/core/config/modules/CharEnc.js
+++ b/src/core/config/modules/CharEnc.js
@@ -6,7 +6,6 @@ import CharEnc from "../../operations/CharEnc.js";
 *
 * Libraries:
 *  - cptable
- *  - CryptoJS
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2017
--- a/src/core/config/modules/Ciphers.js
+++ b/src/core/config/modules/Ciphers.js
@@ -7,6 +7,7 @@ import Cipher from "../../operations/Cipher.js";
 * Libraries:
 *  - CryptoJS
 *  - Blowfish
+ *  - Forge
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2017
@@ -23,12 +24,12 @@ OpModules.Ciphers = {
    "DES Decrypt":          Cipher.runDesDec,
    "Triple DES Encrypt":   Cipher.runTripleDesEnc,
    "Triple DES Decrypt":   Cipher.runTripleDesDec,
-    "Rabbit Encrypt":       Cipher.runRabbitEnc,
-    "Rabbit Decrypt":       Cipher.runRabbitDec,
    "Derive PBKDF2 key":    Cipher.runPbkdf2,
    "Derive EVP key":       Cipher.runEvpkdf,
    "RC4":                  Cipher.runRc4,
    "RC4 Drop":             Cipher.runRc4drop,
+    "RC2 Encrypt":          Cipher.runRc2Enc,
+    "RC2 Decrypt":          Cipher.runRc2Dec,
    "Vigenère Encode":      Cipher.runVigenereEnc,
    "Vigenère Decode":      Cipher.runVigenereDec,
    "Bifid Cipher Encode":  Cipher.runBifidEnc,
@@ -37,6 +38,7 @@ OpModules.Ciphers = {
    "Affine Cipher Decode": Cipher.runAffineDec,
    "Atbash Cipher":        Cipher.runAtbash,
    "Substitute":           Cipher.runSubstitute,
+    "Pseudo-Random Number Generator": Cipher.runPRNG,
 };

 export default OpModules;
--- a/src/core/config/modules/Code.js
+++ b/src/core/config/modules/Code.js
@@ -11,7 +11,7 @@ import Code from "../../operations/Code.js";
 *  - xmldom
 *  - xpath
 *  - jpath
- *  - googlecodeprettify
+ *  - highlight.js
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2017
--- a/src/core/config/modules/Default.js
+++ b/src/core/config/modules/Default.js
@@ -10,7 +10,7 @@ import Convert from "../../operations/Convert.js";
 import DateTime from "../../operations/DateTime.js";
 import Endian from "../../operations/Endian.js";
 import Entropy from "../../operations/Entropy.js";
-import Extract from "../../operations/Extract.js";
+import Filetime from "../../operations/Filetime.js";
 import FileType from "../../operations/FileType.js";
 import Hexdump from "../../operations/Hexdump.js";
 import HTML from "../../operations/HTML.js";
@@ -29,6 +29,8 @@ import StrUtils from "../../operations/StrUtils.js";
 import Tidy from "../../operations/Tidy.js";
 import Unicode from "../../operations/Unicode.js";
 import UUID from "../../operations/UUID.js";
+import XKCD from "../../operations/XKCD.js";
+

 /**
 * Default module.
@@ -38,9 +40,9 @@ import UUID from "../../operations/UUID.js";
 *
 * Libraries:
 *  - Utils.js
- *    - CryptoJS
 *  - otp
 *  - crypto
+ *  - bignumber.js
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2017
@@ -90,7 +92,7 @@ OpModules.Default = {
    "Bit shift right":      BitwiseOp.runBitShiftRight,
    "XOR":                  BitwiseOp.runXor,
    "XOR Brute Force":      BitwiseOp.runXorBrute,
-    "OR":                   BitwiseOp.runXor,
+    "OR":                   BitwiseOp.runOr,
    "NOT":                  BitwiseOp.runNot,
    "AND":                  BitwiseOp.runAnd,
    "ADD":                  BitwiseOp.runAdd,
@@ -100,17 +102,16 @@ OpModules.Default = {
    "Format MAC addresses": MAC.runFormat,
    "Encode NetBIOS Name":  NetBIOS.runEncodeName,
    "Decode NetBIOS Name":  NetBIOS.runDecodeName,
-    "Regular expression":   StrUtils.runRegex,
    "Offset checker":       StrUtils.runOffsetChecker,
    "To Upper case":        StrUtils.runUpper,
    "To Lower case":        StrUtils.runLower,
-    "Find / Replace":       StrUtils.runFindReplace,
    "Split":                StrUtils.runSplit,
    "Filter":               StrUtils.runFilter,
    "Escape string":        StrUtils.runEscape,
    "Unescape string":      StrUtils.runUnescape,
    "Head":                 StrUtils.runHead,
    "Tail":                 StrUtils.runTail,
+    "Hamming Distance":     StrUtils.runHamming,
    "Remove whitespace":    Tidy.runRemoveWhitespace,
    "Remove null bytes":    Tidy.runRemoveNulls,
    "Drop bytes":           Tidy.runDropBytes,
@@ -133,14 +134,7 @@ OpModules.Default = {
    "Translate DateTime Format": DateTime.runTranslateFormat,
    "From UNIX Timestamp":  DateTime.runFromUnixTimestamp,
    "To UNIX Timestamp":    DateTime.runToUnixTimestamp,
-    "Strings":              Extract.runStrings,
-    "Extract IP addresses": Extract.runIp,
-    "Extract email addresses": Extract.runEmail,
-    "Extract MAC addresses": Extract.runMac,
-    "Extract URLs":         Extract.runUrls,
-    "Extract domains":      Extract.runDomains,
-    "Extract file paths":   Extract.runFilePaths,
-    "Extract dates":        Extract.runDates,
+    "Sleep":                DateTime.runSleep,
    "Microsoft Script Decoder": MS.runDecodeScript,
    "Entropy":              Entropy.runEntropy,
    "Frequency distribution": Entropy.runFreqDistrib,
@@ -167,6 +161,9 @@ OpModules.Default = {
    "Mean":                 Arithmetic.runMean,
    "Median":               Arithmetic.runMedian,
    "Standard Deviation":   Arithmetic.runStdDev,
+    "Windows Filetime to UNIX Timestamp": Filetime.runFromFiletimeToUnix,
+    "UNIX Timestamp to Windows Filetime": Filetime.runToFiletimeFromUnix,
+    "XKCD Random Number":  XKCD.runRandomNumber,


    /*
--- a/src/core/config/modules/Hashing.js
+++ b/src/core/config/modules/Hashing.js
@@ -18,31 +18,35 @@ import Hash from "../../operations/Hash.js";
 let OpModules = typeof self === "undefined" ? {} : self.OpModules || {};

 OpModules.Hashing = {
-    "Analyse hash":         Hash.runAnalyse,
-    "Generate all hashes":  Hash.runAll,
-    "MD2":                  Hash.runMD2,
-    "MD4":                  Hash.runMD4,
-    "MD5":                  Hash.runMD5,
-    "MD6":                  Hash.runMD6,
-    "SHA0":                 Hash.runSHA0,
-    "SHA1":                 Hash.runSHA1,
-    "SHA2":                 Hash.runSHA2,
-    "SHA3":                 Hash.runSHA3,
-    "Keccak":               Hash.runKeccak,
-    "Shake":                Hash.runShake,
-    "RIPEMD":               Hash.runRIPEMD,
-    "HAS-160":              Hash.runHAS,
-    "Whirlpool":            Hash.runWhirlpool,
-    "Snefru":               Hash.runSnefru,
-    "HMAC":                 Hash.runHMAC,
-    "Fletcher-8 Checksum":  Checksum.runFletcher8,
-    "Fletcher-16 Checksum": Checksum.runFletcher16,
-    "Fletcher-32 Checksum": Checksum.runFletcher32,
-    "Fletcher-64 Checksum": Checksum.runFletcher64,
-    "Adler-32 Checksum":    Checksum.runAdler32,
-    "CRC-16 Checksum":      Checksum.runCRC16,
-    "CRC-32 Checksum":      Checksum.runCRC32,
-    "TCP/IP Checksum":      Checksum.runTCPIP,
+    "Analyse hash":          Hash.runAnalyse,
+    "Generate all hashes":   Hash.runAll,
+    "MD2":                   Hash.runMD2,
+    "MD4":                   Hash.runMD4,
+    "MD5":                   Hash.runMD5,
+    "MD6":                   Hash.runMD6,
+    "SHA0":                  Hash.runSHA0,
+    "SHA1":                  Hash.runSHA1,
+    "SHA2":                  Hash.runSHA2,
+    "SHA3":                  Hash.runSHA3,
+    "Keccak":                Hash.runKeccak,
+    "Shake":                 Hash.runShake,
+    "RIPEMD":                Hash.runRIPEMD,
+    "HAS-160":               Hash.runHAS,
+    "Whirlpool":             Hash.runWhirlpool,
+    "Snefru":                Hash.runSnefru,
+    "CTPH":                  Hash.runCTPH,
+    "SSDEEP":                Hash.runSSDEEP,
+    "Compare CTPH hashes":   Hash.runCompareCTPH,
+    "Compare SSDEEP hashes": Hash.runCompareSSDEEP,
+    "HMAC":                  Hash.runHMAC,
+    "Fletcher-8 Checksum":   Checksum.runFletcher8,
+    "Fletcher-16 Checksum":  Checksum.runFletcher16,
+    "Fletcher-32 Checksum":  Checksum.runFletcher32,
+    "Fletcher-64 Checksum":  Checksum.runFletcher64,
+    "Adler-32 Checksum":     Checksum.runAdler32,
+    "CRC-16 Checksum":       Checksum.runCRC16,
+    "CRC-32 Checksum":       Checksum.runCRC32,
+    "TCP/IP Checksum":       Checksum.runTCPIP,
 };

 export default OpModules;
--- a/src/core/config/modules/JSBN.js
+++ b/src/core/config/modules/JSBN.js
@@ -1,5 +1,4 @@
 import IP from "../../operations/IP.js";
-import Filetime from "../../operations/Filetime.js";


 /**
@@ -21,8 +20,6 @@ OpModules.JSBN = {
    "Parse IPv4 header":  IP.runParseIPv4Header,
    "Change IP format":   IP.runChangeIpFormat,
    "Group IP addresses": IP.runGroupIps,
-    "Windows Filetime to UNIX Timestamp": Filetime.runFromFiletimeToUnix,
-    "UNIX Timestamp to Windows Filetime": Filetime.runToFiletimeFromUnix,
 };

 export default OpModules;
--- a/src/core/config/modules/OpModules.js
+++ b/src/core/config/modules/OpModules.js
@@ -18,6 +18,7 @@ import HTTPModule from "./HTTP.js";
 import ImageModule from "./Image.js";
 import JSBNModule from "./JSBN.js";
 import PublicKeyModule from "./PublicKey.js";
+import RegexModule from "./Regex.js";
 import ShellcodeModule from "./Shellcode.js";
 import URLModule from "./URL.js";

@@ -34,6 +35,7 @@ Object.assign(
    ImageModule,
    JSBNModule,
    PublicKeyModule,
+    RegexModule,
    ShellcodeModule,
    URLModule
 );
--- a/src/core/config/modules/Regex.js
+++ b/src/core/config/modules/Regex.js
@@ -0,0 +1,30 @@
+import Extract from "../../operations/Extract.js";
+import Regex from "../../operations/Regex.js";
+
+
+/**
+ * Regex module.
+ *
+ * Libraries:
+ *  - XRegExp
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+let OpModules = typeof self === "undefined" ? {} : self.OpModules || {};
+
+OpModules.Regex = {
+    "Regular expression":   Regex.runRegex,
+    "Find / Replace":       Regex.runFindReplace,
+    "Strings":              Extract.runStrings,
+    "Extract IP addresses": Extract.runIp,
+    "Extract email addresses": Extract.runEmail,
+    "Extract MAC addresses": Extract.runMac,
+    "Extract URLs":         Extract.runUrls,
+    "Extract domains":      Extract.runDomains,
+    "Extract file paths":   Extract.runFilePaths,
+    "Extract dates":        Extract.runDates,
+};
+
+export default OpModules;
--- a/src/core/lib/uas_parser.js
+++ b/src/core/lib/uas_parser.js
--- a/src/core/operations/Arithmetic.js
+++ b/src/core/operations/Arithmetic.js
@@ -1,4 +1,5 @@
 import Utils from "../Utils.js";
+import BigNumber from "bignumber.js";


 /**
@@ -24,11 +25,11 @@ const Arithmetic = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runSum: function(input, args) {
        const val = Arithmetic._sum(Arithmetic._createNumArray(input, args[0]));
-        return typeof(val) === "number" ? val : NaN;
+        return val instanceof BigNumber ? val : new BigNumber(NaN);
    },


@@ -37,11 +38,11 @@ const Arithmetic = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runSub: function(input, args) {
        let val = Arithmetic._sub(Arithmetic._createNumArray(input, args[0]));
-        return typeof(val) === "number" ? val : NaN;
+        return val instanceof BigNumber ? val : new BigNumber(NaN);
    },


@@ -50,11 +51,11 @@ const Arithmetic = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runMulti: function(input, args) {
        let val = Arithmetic._multi(Arithmetic._createNumArray(input, args[0]));
-        return typeof(val) === "number" ? val : NaN;
+        return val instanceof BigNumber ? val : new BigNumber(NaN);
    },


@@ -63,11 +64,11 @@ const Arithmetic = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runDiv: function(input, args) {
        let val = Arithmetic._div(Arithmetic._createNumArray(input, args[0]));
-        return typeof(val) === "number" ? val : NaN;
+        return val instanceof BigNumber ? val : new BigNumber(NaN);
    },


@@ -76,11 +77,11 @@ const Arithmetic = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runMean: function(input, args) {
        let val = Arithmetic._mean(Arithmetic._createNumArray(input, args[0]));
-        return typeof(val) === "number" ? val : NaN;
+        return val instanceof BigNumber ? val : new BigNumber(NaN);
    },


@@ -89,11 +90,11 @@ const Arithmetic = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runMedian: function(input, args) {
        let val = Arithmetic._median(Arithmetic._createNumArray(input, args[0]));
-        return typeof(val) === "number" ? val : NaN;
+        return val instanceof BigNumber ? val : new BigNumber(NaN);
    },


@@ -102,11 +103,11 @@ const Arithmetic = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runStdDev: function(input, args) {
        let val = Arithmetic._stdDev(Arithmetic._createNumArray(input, args[0]));
-        return typeof(val) === "number" ? val : NaN;
+        return val instanceof BigNumber ? val : new BigNumber(NaN);
    },


@@ -116,7 +117,7 @@ const Arithmetic = {
     * @private
     * @param {string[]} input
     * @param {string} delim
-     * @returns {number[]}
+     * @returns {BigNumber[]}
     */
    _createNumArray: function(input, delim) {
        delim = Utils.charRep[delim || "Space"];
@@ -125,13 +126,13 @@ const Arithmetic = {
            num;

        for (let i = 0; i < splitNumbers.length; i++) {
-            if (splitNumbers[i].indexOf(".") >= 0) {
-                num = parseFloat(splitNumbers[i].trim());
-            } else {
-                num = parseInt(splitNumbers[i].trim(), 0);
-            }
-            if (!isNaN(num)) {
-                numbers.push(num);
+            try {
+                num = BigNumber(splitNumbers[i].trim());
+                if (!num.isNaN()) {
+                    numbers.push(num);
+                }
+            } catch (err) {
+                // This line is not a valid number
            }
        }
        return numbers;
@@ -142,12 +143,12 @@ const Arithmetic = {
     * Adds an array of numbers and returns the value.
     *
     * @private
-     * @param {number[]} data
-     * @returns {number}
+     * @param {BigNumber[]} data
+     * @returns {BigNumber}
     */
    _sum: function(data) {
        if (data.length > 0) {
-            return data.reduce((acc, curr) => acc + curr);
+            return data.reduce((acc, curr) => acc.plus(curr));
        }
    },

@@ -156,12 +157,12 @@ const Arithmetic = {
     * Subtracts an array of numbers and returns the value.
     *
     * @private
-     * @param {number[]} data
-     * @returns {number}
+     * @param {BigNumber[]} data
+     * @returns {BigNumber}
     */
    _sub: function(data) {
        if (data.length > 0) {
-            return data.reduce((acc, curr) => acc - curr);
+            return data.reduce((acc, curr) => acc.minus(curr));
        }
    },

@@ -170,12 +171,12 @@ const Arithmetic = {
     * Multiplies an array of numbers and returns the value.
     *
     * @private
-     * @param {number[]} data
-     * @returns {number}
+     * @param {BigNumber[]} data
+     * @returns {BigNumber}
     */
    _multi: function(data) {
        if (data.length > 0) {
-            return data.reduce((acc, curr) => acc * curr);
+            return data.reduce((acc, curr) => acc.times(curr));
        }
    },

@@ -184,12 +185,12 @@ const Arithmetic = {
     * Divides an array of numbers and returns the value.
     *
     * @private
-     * @param {number[]} data
-     * @returns {number}
+     * @param {BigNumber[]} data
+     * @returns {BigNumber}
     */
    _div: function(data) {
        if (data.length > 0) {
-            return data.reduce((acc, curr) => acc / curr);
+            return data.reduce((acc, curr) => acc.div(curr));
        }
    },

@@ -198,12 +199,12 @@ const Arithmetic = {
     * Computes mean of a number array and returns the value.
     *
     * @private
-     * @param {number[]} data
-     * @returns {number}
+     * @param {BigNumber[]} data
+     * @returns {BigNumber}
     */
    _mean: function(data) {
        if (data.length > 0) {
-            return Arithmetic._sum(data) / data.length;
+            return Arithmetic._sum(data).div(data.length);
        }
    },

@@ -212,14 +213,14 @@ const Arithmetic = {
     * Computes median of a number array and returns the value.
     *
     * @private
-     * @param {number[]} data
-     * @returns {number}
+     * @param {BigNumber[]} data
+     * @returns {BigNumber}
     */
    _median: function (data) {
-        if ((data.length % 2) === 0) {
+        if ((data.length % 2) === 0 && data.length > 0) {
            let first, second;
            data.sort(function(a, b){
-                return a - b;
+                return a.minus(b);
            });
            first = data[Math.floor(data.length / 2)];
            second = data[Math.floor(data.length / 2) - 1];
@@ -234,17 +235,17 @@ const Arithmetic = {
     * Computes standard deviation of a number array and returns the value.
     *
     * @private
-     * @param {number[]} data
-     * @returns {number}
+     * @param {BigNumber[]} data
+     * @returns {BigNumber}
     */
    _stdDev: function (data) {
        if (data.length > 0) {
            let avg = Arithmetic._mean(data);
-            let devSum = 0;
+            let devSum = new BigNumber(0);
            for (let i = 0; i < data.length; i++) {
-                devSum += (data[i] - avg) ** 2;
+                devSum = devSum.plus(data[i].minus(avg).pow(2));
            }
-            return Math.sqrt(devSum / data.length);
+            return devSum.div(data.length).sqrt();
        }
    },
 };
--- a/src/core/operations/BCD.js
+++ b/src/core/operations/BCD.js
@@ -1,4 +1,5 @@
 import Utils from "../Utils.js";
+import BigNumber from "bignumber.js";


 /**
@@ -61,14 +62,14 @@ const BCD = {
    /**
     * To BCD operation.
     *
-     * @param {number} input
+     * @param {BigNumber} input
     * @param {Object[]} args
     * @returns {string}
     */
    runToBCD: function(input, args) {
-        if (isNaN(input))
+        if (input.isNaN())
            return "Invalid input";
-        if (Math.floor(input) !== input)
+        if (!input.integerValue(BigNumber.ROUND_DOWN).isEqualTo(input))
            return "Fractional values are not supported by BCD";

        const encoding = BCD.ENCODING_LOOKUP[args[0]],
@@ -77,7 +78,7 @@ const BCD = {
            outputFormat = args[3];

        // Split input number up into separate digits
-        const digits = input.toString().split("");
+        const digits = input.toFixed().split("");

        if (digits[0] === "-" || digits[0] === "+") {
            digits.shift();
@@ -134,11 +135,11 @@ const BCD = {
        switch (outputFormat) {
            case "Nibbles":
                return nibbles.map(n => {
-                    return Utils.padLeft(n.toString(2), 4);
+                    return n.toString(2).padStart(4, "0");
                }).join(" ");
            case "Bytes":
                return bytes.map(b => {
-                    return Utils.padLeft(b.toString(2), 8);
+                    return b.toString(2).padStart(8, "0");
                }).join(" ");
            case "Raw":
            default:
@@ -152,7 +153,7 @@ const BCD = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runFromBCD: function(input, args) {
        const encoding = BCD.ENCODING_LOOKUP[args[0]],
@@ -206,7 +207,7 @@ const BCD = {
            output += val.toString();
        });

-        return parseInt(output, 10);
+        return new BigNumber(output);
    },

 };
--- a/src/core/operations/Base.js
+++ b/src/core/operations/Base.js
@@ -1,3 +1,5 @@
+import BigNumber from "bignumber.js";
+
 /**
 * Numerical base operations.
 *
@@ -18,7 +20,7 @@ const Base = {
    /**
     * To Base operation.
     *
-     * @param {number} input
+     * @param {BigNumber} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -39,7 +41,7 @@ const Base = {
     *
     * @param {string} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runFrom: function(input, args) {
        const radix = args[0] || Base.DEFAULT_RADIX;
@@ -48,14 +50,14 @@ const Base = {
        }

        let number = input.replace(/\s/g, "").split("."),
-            result = parseInt(number[0], radix) || 0;
+            result = new BigNumber(number[0], radix) || 0;

        if (number.length === 1) return result;

        // Fractional part
        for (let i = 0; i < number[1].length; i++) {
-            const digit = parseInt(number[1][i], radix);
-            result += digit / Math.pow(radix, i+1);
+            const digit = new BigNumber(number[1][i], radix);
+            result += digit.div(Math.pow(radix, i+1));
        }

        return result;
--- a/src/core/operations/Base64.js
+++ b/src/core/operations/Base64.js
@@ -40,13 +40,13 @@ const Base64 = {
    /**
     * To Base64 operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runTo: function(input, args) {
        const alphabet = args[0] || Base64.ALPHABET;
-        return Utils.toBase64(input, alphabet);
+        return Utils.toBase64(new Uint8Array(input), alphabet);
    },


--- a/src/core/operations/BitwiseOp.js
+++ b/src/core/operations/BitwiseOp.js
@@ -67,7 +67,7 @@ const BitwiseOp = {
     * @constant
     * @default
     */
-    KEY_FORMAT: ["Hex", "Base64", "UTF8", "UTF16", "UTF16LE", "UTF16BE", "Latin1"],
+    KEY_FORMAT: ["Hex", "Base64", "UTF8", "Latin1"],

    /**
     * XOR operation.
@@ -77,12 +77,10 @@ const BitwiseOp = {
     * @returns {byteArray}
     */
    runXor: function (input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string || ""),
+        const key = Utils.convertToByteArray(args[0].string || "", args[0].option),
            scheme = args[1],
            nullPreserving = args[2];

-        key = Utils.wordArrayToByteArray(key);
-
        return BitwiseOp._bitOp(input, key, BitwiseOp._xor, nullPreserving, scheme);
    },

@@ -200,8 +198,7 @@ const BitwiseOp = {
     * @returns {byteArray}
     */
    runAnd: function (input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string || "");
-        key = Utils.wordArrayToByteArray(key);
+        const key = Utils.convertToByteArray(args[0].string || "", args[0].option);

        return BitwiseOp._bitOp(input, key, BitwiseOp._and);
    },
@@ -215,8 +212,7 @@ const BitwiseOp = {
     * @returns {byteArray}
     */
    runOr: function (input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string || "");
-        key = Utils.wordArrayToByteArray(key);
+        const key = Utils.convertToByteArray(args[0].string || "", args[0].option);

        return BitwiseOp._bitOp(input, key, BitwiseOp._or);
    },
@@ -230,8 +226,7 @@ const BitwiseOp = {
     * @returns {byteArray}
     */
    runAdd: function (input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string || "");
-        key = Utils.wordArrayToByteArray(key);
+        const key = Utils.convertToByteArray(args[0].string || "", args[0].option);

        return BitwiseOp._bitOp(input, key, BitwiseOp._add);
    },
@@ -245,8 +240,7 @@ const BitwiseOp = {
     * @returns {byteArray}
     */
    runSub: function (input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string || "");
-        key = Utils.wordArrayToByteArray(key);
+        const key = Utils.convertToByteArray(args[0].string || "", args[0].option);

        return BitwiseOp._bitOp(input, key, BitwiseOp._sub);
    },
--- a/src/core/operations/ByteRepr.js
+++ b/src/core/operations/ByteRepr.js
@@ -31,13 +31,13 @@ const ByteRepr = {
    /**
     * To Hex operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runToHex: function(input, args) {
        const delim = Utils.charRep[args[0] || "Space"];
-        return Utils.toHex(input, delim, 2);
+        return Utils.toHex(new Uint8Array(input), delim, 2);
    },


@@ -266,7 +266,7 @@ const ByteRepr = {
            padding = 8;

        for (let i = 0; i < input.length; i++) {
-            output += Utils.pad(input[i].toString(2), padding) + delim;
+            output += input[i].toString(2).padStart(padding, "0") + delim;
        }

        if (delim.length) {
--- a/src/core/operations/Cipher.js
+++ b/src/core/operations/Cipher.js
@@ -1,6 +1,8 @@
 import Utils from "../Utils.js";
 import CryptoJS from "crypto-js";
+import forge from "imports-loader?jQuery=>null!node-forge/dist/forge.min.js";
 import {blowfish as Blowfish} from "sladex-blowfish";
+import BigNumber from "bignumber.js";


 /**
@@ -18,132 +20,27 @@ const Cipher = {
     * @constant
     * @default
     */
-    IO_FORMAT1: ["Hex", "Base64", "UTF8", "UTF16", "UTF16LE", "UTF16BE", "Latin1"],
+    IO_FORMAT1: ["Hex", "UTF8", "Latin1", "Base64"],
+    /**
+    * @constant
+    * @default
+    */
+    IO_FORMAT2: ["UTF8", "Latin1", "Hex", "Base64"],
+    /**
+    * @constant
+    * @default
+    */
+    IO_FORMAT3: ["Raw", "Hex"],
+    /**
+    * @constant
+    * @default
+    */
+    IO_FORMAT4: ["Hex", "Raw"],
    /**
     * @constant
     * @default
     */
-    IO_FORMAT2: ["UTF8", "UTF16", "UTF16LE", "UTF16BE", "Latin1", "Hex", "Base64"],
-    /**
-     * @constant
-     * @default
-     */
-    IO_FORMAT3: ["Hex", "Base64", "UTF16", "UTF16LE", "UTF16BE", "Latin1"],
-    /**
-     * @constant
-     * @default
-     */
-    IO_FORMAT4: ["Latin1", "UTF8", "UTF16", "UTF16LE", "UTF16BE", "Hex", "Base64"],
-    /**
-     * @constant
-     * @default
-     */
-    MODES: ["CBC", "CFB", "CTR", "OFB", "ECB"],
-    /**
-     * @constant
-     * @default
-     */
-    PADDING: ["Pkcs7", "Iso97971", "AnsiX923", "Iso10126", "ZeroPadding", "NoPadding"],
-    /**
-     * @constant
-     * @default
-     */
-    RESULT_TYPE: ["Show all", "Ciphertext", "Key", "IV", "Salt"],
-
-
-    /**
-     * Runs encryption operations using the CryptoJS framework.
-     *
-     * @private
-     * @param {function} algo - The CryptoJS algorithm to use
-     * @param {byteArray} input
-     * @param {function} args
-     * @returns {string}
-     */
-    _enc: function (algo, input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string || ""),
-            iv = Utils.format[args[1].option].parse(args[1].string || ""),
-            salt = Utils.format[args[2].option].parse(args[2].string || ""),
-            mode = CryptoJS.mode[args[3]],
-            padding = CryptoJS.pad[args[4]],
-            resultOption = args[5].toLowerCase(),
-            outputFormat = args[6];
-
-        if (iv.sigBytes === 0) {
-            // Use passphrase rather than key. Need to convert it to a string.
-            key = key.toString(CryptoJS.enc.Latin1);
-        }
-
-        const encrypted = algo.encrypt(input, key, {
-            salt: salt.sigBytes > 0 ? salt : false,
-            iv: iv.sigBytes > 0 ? iv : null,
-            mode: mode,
-            padding: padding
-        });
-
-        let result = "";
-        if (resultOption === "show all") {
-            result += "Key:  " + encrypted.key.toString(Utils.format[outputFormat]);
-            result += "\nIV:   " + encrypted.iv.toString(Utils.format[outputFormat]);
-            if (encrypted.salt) result += "\nSalt: " + encrypted.salt.toString(Utils.format[outputFormat]);
-            result += "\n\nCiphertext: " + encrypted.ciphertext.toString(Utils.format[outputFormat]);
-        } else {
-            result = encrypted[resultOption].toString(Utils.format[outputFormat]);
-        }
-
-        return result;
-    },
-
-
-    /**
-     * Runs decryption operations using the CryptoJS framework.
-     *
-     * @private
-     * @param {function} algo - The CryptoJS algorithm to use
-     * @param {byteArray} input
-     * @param {function} args
-     * @returns {string}
-     */
-    _dec: function (algo, input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string || ""),
-            iv = Utils.format[args[1].option].parse(args[1].string || ""),
-            salt = Utils.format[args[2].option].parse(args[2].string || ""),
-            mode = CryptoJS.mode[args[3]],
-            padding = CryptoJS.pad[args[4]],
-            inputFormat = args[5],
-            outputFormat = args[6];
-
-        // The ZeroPadding option causes a crash when the input length is 0
-        if (!input.length) {
-            return "No input";
-        }
-
-        const ciphertext = Utils.format[inputFormat].parse(input);
-
-        if (iv.sigBytes === 0) {
-            // Use passphrase rather than key. Need to convert it to a string.
-            key = key.toString(CryptoJS.enc.Latin1);
-        }
-
-        const decrypted = algo.decrypt({
-            ciphertext: ciphertext,
-            salt: salt.sigBytes > 0 ? salt : false
-        }, key, {
-            iv: iv.sigBytes > 0 ? iv : null,
-            mode: mode,
-            padding: padding
-        });
-
-        let result;
-        try {
-            result = decrypted.toString(Utils.format[outputFormat]);
-        } catch (err) {
-            result = "Decrypt error: " + err.message;
-        }
-
-        return result;
-    },
-
+    AES_MODES: ["CBC", "CFB", "OFB", "CTR", "GCM", "ECB"],

    /**
     * AES Encrypt operation.
@@ -153,7 +50,41 @@ const Cipher = {
     * @returns {string}
     */
    runAesEnc: function (input, args) {
-        return Cipher._enc(CryptoJS.AES, input, args);
+        const key = Utils.convertToByteArray(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4];
+
+        if ([16, 24, 32].indexOf(key.length) < 0) {
+            return `Invalid key length: ${key.length} bytes
+
+The following algorithms will be used based on the size of the key:
+  16 bytes = AES-128
+  24 bytes = AES-192
+  32 bytes = AES-256`;
+        }
+
+        input = Utils.convertToByteString(input, inputType);
+
+        const cipher = forge.cipher.createCipher("AES-" + mode, key);
+        cipher.start({iv: iv});
+        cipher.update(forge.util.createBuffer(input));
+        cipher.finish();
+
+        if (outputType === "Hex") {
+            if (mode === "GCM") {
+                return cipher.output.toHex() + "\n\n" +
+                    "Tag: " + cipher.mode.tag.toHex();
+            }
+            return cipher.output.toHex();
+        } else {
+            if (mode === "GCM") {
+                return cipher.output.getBytes() + "\n\n" +
+                    "Tag: " + cipher.mode.tag.getBytes();
+            }
+            return cipher.output.getBytes();
+        }
    },


@@ -165,10 +96,46 @@ const Cipher = {
     * @returns {string}
     */
    runAesDec: function (input, args) {
-        return Cipher._dec(CryptoJS.AES, input, args);
+        const key = Utils.convertToByteArray(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4],
+            gcmTag = Utils.convertToByteString(args[5].string, args[5].option);
+
+        if ([16, 24, 32].indexOf(key.length) < 0) {
+            return `Invalid key length: ${key.length} bytes
+
+The following algorithms will be used based on the size of the key:
+  16 bytes = AES-128
+  24 bytes = AES-192
+  32 bytes = AES-256`;
+        }
+
+        input = Utils.convertToByteString(input, inputType);
+
+        const decipher = forge.cipher.createDecipher("AES-" + mode, key);
+        decipher.start({
+            iv: iv,
+            tag: gcmTag
+        });
+        decipher.update(forge.util.createBuffer(input));
+        const result = decipher.finish();
+
+        if (result) {
+            return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
+        } else {
+            return "Unable to decrypt input with these parameters.";
+        }
    },


+    /**
+     * @constant
+     * @default
+     */
+    DES_MODES: ["CBC", "CFB", "OFB", "CTR", "ECB"],
+
    /**
     * DES Encrypt operation.
     *
@@ -177,7 +144,27 @@ const Cipher = {
     * @returns {string}
     */
    runDesEnc: function (input, args) {
-        return Cipher._enc(CryptoJS.DES, input, args);
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4];
+
+        if (key.length !== 8) {
+            return `Invalid key length: ${key.length} bytes
+
+DES uses a key length of 8 bytes (64 bits).
+Triple DES uses a key length of 24 bytes (192 bits).`;
+        }
+
+        input = Utils.convertToByteString(input, inputType);
+
+        const cipher = forge.cipher.createCipher("DES-" + mode, key);
+        cipher.start({iv: iv});
+        cipher.update(forge.util.createBuffer(input));
+        cipher.finish();
+
+        return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
    },


@@ -189,7 +176,31 @@ const Cipher = {
     * @returns {string}
     */
    runDesDec: function (input, args) {
-        return Cipher._dec(CryptoJS.DES, input, args);
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4];
+
+        if (key.length !== 8) {
+            return `Invalid key length: ${key.length} bytes
+
+DES uses a key length of 8 bytes (64 bits).
+Triple DES uses a key length of 24 bytes (192 bits).`;
+        }
+
+        input = Utils.convertToByteString(input, inputType);
+
+        const decipher = forge.cipher.createDecipher("DES-" + mode, key);
+        decipher.start({iv: iv});
+        decipher.update(forge.util.createBuffer(input));
+        const result = decipher.finish();
+
+        if (result) {
+            return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
+        } else {
+            return "Unable to decrypt input with these parameters.";
+        }
    },


@@ -201,7 +212,27 @@ const Cipher = {
     * @returns {string}
     */
    runTripleDesEnc: function (input, args) {
-        return Cipher._enc(CryptoJS.TripleDES, input, args);
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4];
+
+        if (key.length !== 24) {
+            return `Invalid key length: ${key.length} bytes
+
+Triple DES uses a key length of 24 bytes (192 bits).
+DES uses a key length of 8 bytes (64 bits).`;
+        }
+
+        input = Utils.convertToByteString(input, inputType);
+
+        const cipher = forge.cipher.createCipher("3DES-" + mode, key);
+        cipher.start({iv: iv});
+        cipher.update(forge.util.createBuffer(input));
+        cipher.finish();
+
+        return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
    },


@@ -213,31 +244,79 @@ const Cipher = {
     * @returns {string}
     */
    runTripleDesDec: function (input, args) {
-        return Cipher._dec(CryptoJS.TripleDES, input, args);
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4];
+
+        if (key.length !== 24) {
+            return `Invalid key length: ${key.length} bytes
+
+Triple DES uses a key length of 24 bytes (192 bits).
+DES uses a key length of 8 bytes (64 bits).`;
+        }
+
+        input = Utils.convertToByteString(input, inputType);
+
+        const decipher = forge.cipher.createDecipher("3DES-" + mode, key);
+        decipher.start({iv: iv});
+        decipher.update(forge.util.createBuffer(input));
+        const result = decipher.finish();
+
+        if (result) {
+            return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
+        } else {
+            return "Unable to decrypt input with these parameters.";
+        }
    },


    /**
-     * Rabbit Encrypt operation.
+     * RC2 Encrypt operation.
     *
     * @param {string} input
     * @param {Object[]} args
     * @returns {string}
     */
-    runRabbitEnc: function (input, args) {
-        return Cipher._enc(CryptoJS.Rabbit, input, args);
+    runRc2Enc: function (input, args) {
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteString(args[1].string, args[1].option),
+            inputType = args[2],
+            outputType = args[3],
+            cipher = forge.rc2.createEncryptionCipher(key);
+
+        input = Utils.convertToByteString(input, inputType);
+
+        cipher.start(iv || null);
+        cipher.update(forge.util.createBuffer(input));
+        cipher.finish();
+
+        return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
    },


    /**
-     * Rabbit Decrypt operation.
+     * RC2 Decrypt operation.
     *
     * @param {string} input
     * @param {Object[]} args
     * @returns {string}
     */
-    runRabbitDec: function (input, args) {
-        return Cipher._dec(CryptoJS.Rabbit, input, args);
+    runRc2Dec: function (input, args) {
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteString(args[1].string, args[1].option),
+            inputType = args[2],
+            outputType = args[3],
+            decipher = forge.rc2.createDecryptionCipher(key);
+
+        input = Utils.convertToByteString(input, inputType);
+
+        decipher.start(iv || null);
+        decipher.update(forge.util.createBuffer(input));
+        decipher.finish();
+
+        return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
    },


@@ -245,12 +324,29 @@ const Cipher = {
     * @constant
     * @default
     */
-    BLOWFISH_MODES: ["ECB", "CBC", "PCBC", "CFB", "OFB", "CTR"],
+    BLOWFISH_MODES: ["CBC", "PCBC", "CFB", "OFB", "CTR", "ECB"],
    /**
     * @constant
     * @default
     */
-    BLOWFISH_OUTPUT_TYPES: ["Base64", "Hex", "String", "Raw"],
+    BLOWFISH_OUTPUT_TYPES: ["Hex", "Base64", "Raw"],
+
+    /**
+     * Lookup table for Blowfish output types.
+     *
+     * @private
+     */
+    _BLOWFISH_OUTPUT_TYPE_LOOKUP: {
+        Base64: 0, Hex: 1, String: 2, Raw: 3
+    },
+    /**
+     * Lookup table for Blowfish modes.
+     *
+     * @private
+     */
+    _BLOWFISH_MODE_LOOKUP: {
+        ECB: 0, CBC: 1, PCBC: 2, CFB: 3, OFB: 4, CTR: 5
+    },

    /**
     * Blowfish Encrypt operation.
@@ -260,19 +356,24 @@ const Cipher = {
     * @returns {string}
     */
    runBlowfishEnc: function (input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string).toString(Utils.format.Latin1),
-            mode = args[1],
-            outputFormat = args[2];
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4];

        if (key.length === 0) return "Enter a key";

-        let encHex = Blowfish.encrypt(input, key, {
-                outputType: 1,
-                cipherMode: Cipher.BLOWFISH_MODES.indexOf(mode)
-            }),
-            enc = CryptoJS.enc.Hex.parse(encHex);
+        input = Utils.convertToByteString(input, inputType);

-        return enc.toString(Utils.format[outputFormat]);
+        Blowfish.setIV(Utils.toBase64(iv), 0);
+
+        const enc = Blowfish.encrypt(input, key, {
+            outputType: Cipher._BLOWFISH_OUTPUT_TYPE_LOOKUP[outputType],
+            cipherMode: Cipher._BLOWFISH_MODE_LOOKUP[mode]
+        });
+
+        return outputType === "Raw" ? Utils.byteArrayToChars(enc) : enc   ;
    },


@@ -284,18 +385,24 @@ const Cipher = {
     * @returns {string}
     */
    runBlowfishDec: function (input, args) {
-        let key = Utils.format[args[0].option].parse(args[0].string).toString(Utils.format.Latin1),
-            mode = args[1],
-            inputFormat = args[2];
+        const key = Utils.convertToByteString(args[0].string, args[0].option),
+            iv = Utils.convertToByteArray(args[1].string, args[1].option),
+            mode = args[2],
+            inputType = args[3],
+            outputType = args[4];

        if (key.length === 0) return "Enter a key";

-        input = Utils.format[inputFormat].parse(input);
+        input = inputType === "Raw" ? Utils.strToByteArray(input) : input;

-        return Blowfish.decrypt(input.toString(CryptoJS.enc.Base64), key, {
-            outputType: 0, // This actually means inputType. The library is weird.
-            cipherMode: Cipher.BLOWFISH_MODES.indexOf(mode)
+        Blowfish.setIV(Utils.toBase64(iv), 0);
+
+        const result = Blowfish.decrypt(input, key, {
+            outputType: Cipher._BLOWFISH_OUTPUT_TYPE_LOOKUP[inputType], // This actually means inputType. The library is weird.
+            cipherMode: Cipher._BLOWFISH_MODE_LOOKUP[mode]
        });
+
+        return outputType === "Hex" ? Utils.toHexFast(Utils.strToByteArray(result)) : result;
    },


@@ -303,7 +410,7 @@ const Cipher = {
     * @constant
     * @default
     */
-    KDF_KEY_SIZE: 256,
+    KDF_KEY_SIZE: 128,
    /**
     * @constant
     * @default
@@ -313,7 +420,7 @@ const Cipher = {
     * @constant
     * @default
     */
-    HASHERS: ["MD5", "SHA1", "SHA224", "SHA256", "SHA384", "SHA512", "SHA3", "RIPEMD160"],
+    HASHERS: ["SHA1", "SHA256", "SHA384", "SHA512", "MD5"],

    /**
     * Derive PBKDF2 key operation.
@@ -323,20 +430,15 @@ const Cipher = {
     * @returns {string}
     */
    runPbkdf2: function (input, args) {
-        let keySize = args[0] / 32,
-            iterations = args[1],
-            hasher = args[2],
-            salt = CryptoJS.enc.Hex.parse(args[3] || ""),
-            inputFormat = args[4],
-            outputFormat = args[5],
-            passphrase = Utils.format[inputFormat].parse(input),
-            key = CryptoJS.PBKDF2(passphrase, salt, {
-                keySize: keySize,
-                hasher: CryptoJS.algo[hasher],
-                iterations: iterations,
-            });
+        const passphrase = Utils.convertToByteString(args[0].string, args[0].option),
+            keySize = args[1],
+            iterations = args[2],
+            hasher = args[3],
+            salt = Utils.convertToByteString(args[4].string, args[4].option) ||
+                forge.random.getBytesSync(keySize),
+            derivedKey = forge.pkcs5.pbkdf2(passphrase, salt, iterations, keySize / 8, hasher.toLowerCase());

-        return key.toString(Utils.format[outputFormat]);
+        return forge.util.bytesToHex(derivedKey);
    },


@@ -348,23 +450,33 @@ const Cipher = {
     * @returns {string}
     */
    runEvpkdf: function (input, args) {
-        let keySize = args[0] / 32,
-            iterations = args[1],
-            hasher = args[2],
-            salt = CryptoJS.enc.Hex.parse(args[3] || ""),
-            inputFormat = args[4],
-            outputFormat = args[5],
-            passphrase = Utils.format[inputFormat].parse(input),
+        const passphrase = Utils.convertToByteString(args[0].string, args[0].option),
+            keySize = args[1] / 32,
+            iterations = args[2],
+            hasher = args[3],
+            salt = Utils.convertToByteString(args[4].string, args[4].option),
            key = CryptoJS.EvpKDF(passphrase, salt, {
                keySize: keySize,
                hasher: CryptoJS.algo[hasher],
                iterations: iterations,
            });

-        return key.toString(Utils.format[outputFormat]);
+        return key.toString(CryptoJS.enc.Hex);
    },


+    /**
+     * @constant
+     * @default
+     */
+    RC4_KEY_FORMAT: ["UTF8", "UTF16", "UTF16LE", "UTF16BE", "Latin1", "Hex", "Base64"],
+    /**
+     * @constant
+     * @default
+     */
+    CJS_IO_FORMAT: ["Latin1", "UTF8", "UTF16", "UTF16LE", "UTF16BE", "Hex", "Base64"],
+
+
    /**
     * RC4 operation.
     *
@@ -373,11 +485,11 @@ const Cipher = {
     * @returns {string}
     */
    runRc4: function (input, args) {
-        let message = Utils.format[args[1]].parse(input),
-            passphrase = Utils.format[args[0].option].parse(args[0].string),
+        let message = Cipher._format[args[1]].parse(input),
+            passphrase = Cipher._format[args[0].option].parse(args[0].string),
            encrypted = CryptoJS.RC4.encrypt(message, passphrase);

-        return encrypted.ciphertext.toString(Utils.format[args[2]]);
+        return encrypted.ciphertext.toString(Cipher._format[args[2]]);
    },


@@ -395,12 +507,63 @@ const Cipher = {
     * @returns {string}
     */
    runRc4drop: function (input, args) {
-        let message = Utils.format[args[1]].parse(input),
-            passphrase = Utils.format[args[0].option].parse(args[0].string),
+        let message = Cipher._format[args[1]].parse(input),
+            passphrase = Cipher._format[args[0].option].parse(args[0].string),
            drop = args[3],
            encrypted = CryptoJS.RC4Drop.encrypt(message, passphrase, { drop: drop });

-        return encrypted.ciphertext.toString(Utils.format[args[2]]);
+        return encrypted.ciphertext.toString(Cipher._format[args[2]]);
+    },
+
+
+    /**
+     * @constant
+     * @default
+     */
+    PRNG_BYTES: 32,
+    /**
+     * @constant
+     * @default
+     */
+    PRNG_OUTPUT: ["Hex", "Integer", "Byte array", "Raw"],
+
+    /**
+     * Pseudo-Random Number Generator operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runPRNG: function(input, args) {
+        const numBytes = args[0],
+            outputAs = args[1];
+
+        let bytes;
+
+        if (ENVIRONMENT_IS_WORKER() && self.crypto) {
+            bytes = self.crypto.getRandomValues(new Uint8Array(numBytes));
+            bytes = Utils.arrayBufferToStr(bytes.buffer);
+        } else {
+            bytes = forge.random.getBytesSync(numBytes);
+        }
+
+        let value = new BigNumber(0),
+            i;
+
+        switch (outputAs) {
+            case "Hex":
+                return forge.util.bytesToHex(bytes);
+            case "Integer":
+                for (i = bytes.length - 1; i >= 0; i--) {
+                    value = value.times(256).plus(bytes.charCodeAt(i));
+                }
+                return value.toFixed();
+            case "Byte array":
+                return JSON.stringify(Utils.strToCharcode(bytes));
+            case "Raw":
+            default:
+                return bytes;
+        }
    },


@@ -783,6 +946,23 @@ const Cipher = {
        return output;
    },

+
+    /**
+     * A mapping of string formats to their classes in the CryptoJS library.
+     *
+     * @private
+     * @constant
+     */
+    _format: {
+        "Hex":     CryptoJS.enc.Hex,
+        "Base64":  CryptoJS.enc.Base64,
+        "UTF8":    CryptoJS.enc.Utf8,
+        "UTF16":   CryptoJS.enc.Utf16,
+        "UTF16LE": CryptoJS.enc.Utf16LE,
+        "UTF16BE": CryptoJS.enc.Utf16BE,
+        "Latin1":  CryptoJS.enc.Latin1,
+    },
+
 };

 export default Cipher;
@@ -827,3 +1007,27 @@ CryptoJS.kdf.OpenSSL.execute = function (password, keySize, ivSize, salt) {
    // Return params
    return CryptoJS.lib.CipherParams.create({ key: key, iv: iv, salt: salt });
 };
+
+
+/**
+ * Override for the CryptoJS Hex encoding parser to remove whitespace before attempting to parse
+ * the hex string.
+ *
+ * @param {string} hexStr
+ * @returns {CryptoJS.lib.WordArray}
+ */
+CryptoJS.enc.Hex.parse = function (hexStr) {
+    // Remove whitespace
+    hexStr = hexStr.replace(/\s/g, "");
+
+    // Shortcut
+    const hexStrLength = hexStr.length;
+
+    // Convert
+    const words = [];
+    for (let i = 0; i < hexStrLength; i += 2) {
+        words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4);
+    }
+
+    return new CryptoJS.lib.WordArray.init(words, hexStrLength / 2);
+};
--- a/src/core/operations/Code.js
+++ b/src/core/operations/Code.js
@@ -1,12 +1,10 @@
 import {camelCase, kebabCase, snakeCase} from "lodash";
-
-import Utils from "../Utils.js";
 import vkbeautify from "vkbeautify";
 import {DOMParser} from "xmldom";
 import xpath from "xpath";
 import jpath from "jsonpath";
 import nwmatcher from "nwmatcher";
-import prettyPrintOne from "imports-loader?window=>global!exports-loader?prettyPrintOne!google-code-prettify/bin/prettify.min.js";
+import hljs from "highlight.js";


 /**
@@ -24,12 +22,7 @@ const Code = {
     * @constant
     * @default
     */
-    LANGUAGES: ["default-code", "default-markup", "bash", "bsh", "c", "cc", "coffee", "cpp", "cs", "csh", "cv", "cxx", "cyc", "htm", "html", "in.tag", "java", "javascript", "js", "json", "m", "mxml", "perl", "pl", "pm", "py", "python", "rb", "rc", "rs", "ruby", "rust", "sh", "uq.val", "xhtml", "xml", "xsl"],
-    /**
-     * @constant
-     * @default
-     */
-    LINE_NUMS: false,
+    LANGUAGES: ["auto detect"].concat(hljs.listLanguages()),

    /**
     * Syntax highlighter operation.
@@ -39,9 +32,13 @@ const Code = {
     * @returns {html}
     */
    runSyntaxHighlight: function(input, args) {
-        let language = args[0],
-            lineNums = args[1];
-        return "<code class='prettyprint'>" + prettyPrintOne(Utils.escapeHtml(input), language, lineNums) + "</code>";
+        const language = args[0];
+
+        if (language === "auto detect") {
+            return hljs.highlightAuto(input).value;
+        }
+
+        return hljs.highlight(language, input, true).value;
    },


--- a/src/core/operations/Compress.js
+++ b/src/core/operations/Compress.js
@@ -418,9 +418,9 @@ const Compress = {
            }
        };

-        const fileSize = Utils.padLeft(input.length.toString(8), 11, "0");
+        const fileSize = input.length.toString(8).padStart(11, "0");
        const currentUnixTimestamp = Math.floor(Date.now() / 1000);
-        const lastModTime = Utils.padLeft(currentUnixTimestamp.toString(8), 11, "0");
+        const lastModTime = currentUnixTimestamp.toString(8).padStart(11, "0");

        const file = {
            fileName: Utils.padBytesRight(args[0], 100),
@@ -452,7 +452,7 @@ const Compress = {
                }
            });
        }
-        checksum = Utils.padBytesRight(Utils.padLeft(checksum.toString(8), 7, "0"), 8);
+        checksum = Utils.padBytesRight(checksum.toString(8).padStart(7, "0"), 8);
        file.checksum = checksum;

        const tarball = new Tarball();
--- a/src/core/operations/Convert.js
+++ b/src/core/operations/Convert.js
@@ -60,17 +60,16 @@ const Convert = {
    /**
     * Convert distance operation.
     *
-     * @param {number} input
+     * @param {BigNumber} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runDistance: function (input, args) {
        let inputUnits = args[0],
            outputUnits = args[1];

-        input = input * Convert.DISTANCE_FACTOR[inputUnits];
-        return input / Convert.DISTANCE_FACTOR[outputUnits];
-        // TODO Remove rounding errors (e.g. 1.000000000001)
+        input = input.times(Convert.DISTANCE_FACTOR[inputUnits]);
+        return input.div(Convert.DISTANCE_FACTOR[outputUnits]);
    },


@@ -141,16 +140,16 @@ const Convert = {
    /**
     * Convert data units operation.
     *
-     * @param {number} input
+     * @param {BigNumber} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runDataSize: function (input, args) {
        let inputUnits = args[0],
            outputUnits = args[1];

-        input = input * Convert.DATA_FACTOR[inputUnits];
-        return input / Convert.DATA_FACTOR[outputUnits];
+        input = input.times(Convert.DATA_FACTOR[inputUnits]);
+        return input.div(Convert.DATA_FACTOR[outputUnits]);
    },


@@ -221,16 +220,16 @@ const Convert = {
    /**
     * Convert area operation.
     *
-     * @param {number} input
+     * @param {BigNumber} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runArea: function (input, args) {
        let inputUnits = args[0],
            outputUnits = args[1];

-        input = input * Convert.AREA_FACTOR[inputUnits];
-        return input / Convert.AREA_FACTOR[outputUnits];
+        input = input.times(Convert.AREA_FACTOR[inputUnits]);
+        return input.div(Convert.AREA_FACTOR[outputUnits]);
    },


@@ -332,16 +331,16 @@ const Convert = {
    /**
     * Convert mass operation.
     *
-     * @param {number} input
+     * @param {BigNumber} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runMass: function (input, args) {
        let inputUnits = args[0],
            outputUnits = args[1];

-        input = input * Convert.MASS_FACTOR[inputUnits];
-        return input / Convert.MASS_FACTOR[outputUnits];
+        input = input.times(Convert.MASS_FACTOR[inputUnits]);
+        return input.div(Convert.MASS_FACTOR[outputUnits]);
    },


@@ -397,16 +396,16 @@ const Convert = {
    /**
     * Convert speed operation.
     *
-     * @param {number} input
+     * @param {BigNumber} input
     * @param {Object[]} args
-     * @returns {number}
+     * @returns {BigNumber}
     */
    runSpeed: function (input, args) {
        let inputUnits = args[0],
            outputUnits = args[1];

-        input = input * Convert.SPEED_FACTOR[inputUnits];
-        return input / Convert.SPEED_FACTOR[outputUnits];
+        input = input.times(Convert.SPEED_FACTOR[inputUnits]);
+        return input.div(Convert.SPEED_FACTOR[outputUnits]);
    },

 };
--- a/src/core/operations/DateTime.js
+++ b/src/core/operations/DateTime.js
@@ -189,6 +189,20 @@ const DateTime = {
    },


+    /**
+     * Sleep operation.
+     *
+     * @param {ArrayBuffer} input
+     * @param {Object[]} args
+     * @returns {ArrayBuffer}
+     */
+    runSleep: async function(input, args) {
+        const ms = args[0];
+        await new Promise(r => setTimeout(r, ms));
+        return input;
+    },
+
+
    /**
     * @constant
     */
--- a/src/core/operations/Entropy.js
+++ b/src/core/operations/Entropy.js
@@ -81,22 +81,23 @@ const Entropy = {
    /**
     * Frequency distribution operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {html}
     */
    runFreqDistrib: function (input, args) {
-        if (!input.length) return "No data";
+        const data = new Uint8Array(input);
+        if (!data.length) return "No data";

        let distrib = new Array(256).fill(0),
            percentages = new Array(256),
-            len = input.length,
+            len = data.length,
            showZeroes = args[0],
            i;

        // Count bytes
        for (i = 0; i < len; i++) {
-            distrib[input[i]]++;
+            distrib[data[i]]++;
        }

        // Calculate percentages
@@ -126,7 +127,7 @@ const Entropy = {
        for (i = 0; i < 256; i++) {
            if (distrib[i] || showZeroes) {
                output += " " + Utils.hex(i, 2) + "    (" +
-                        Utils.padRight(percentages[i].toFixed(2).replace(".00", "") + "%)", 8) +
+                        (percentages[i].toFixed(2).replace(".00", "") + "%)").padEnd(8, " ") +
                        Array(Math.ceil(percentages[i])+1).join("|") + "\n";
            }
        }
@@ -138,21 +139,22 @@ const Entropy = {
    /**
     * Chi Square operation.
     *
-     * @param {byteArray} data
+     * @param {ArrayBuffer} data
     * @param {Object[]} args
     * @returns {number}
     */
    runChiSq: function(input, args) {
+        const data = new Uint8Array(input);
        let distArray = new Array(256).fill(0),
            total = 0;

-        for (let i = 0; i < input.length; i++) {
-            distArray[input[i]]++;
+        for (let i = 0; i < data.length; i++) {
+            distArray[data[i]]++;
        }

        for (let i = 0; i < distArray.length; i++) {
            if (distArray[i] > 0) {
-                total += Math.pow(distArray[i] - input.length / 256, 2) / (input.length / 256);
+                total += Math.pow(distArray[i] - data.length / 256, 2) / (data.length / 256);
            }
        }

--- a/src/core/operations/Extract.js
+++ b/src/core/operations/Extract.js
@@ -1,3 +1,6 @@
+import XRegExp from "xregexp";
+
+
 /**
 * Identifier extraction operations.
 *
@@ -26,6 +29,11 @@ const Extract = {
            match;

        while ((match = searchRegex.exec(input))) {
+            // Moves pointer when an empty string is matched (prevents infinite loop)
+            if (match.index === searchRegex.lastIndex) {
+                searchRegex.lastIndex++;
+            }
+
            if (removeRegex && removeRegex.test(match[0]))
                continue;
            total++;
@@ -43,7 +51,20 @@ const Extract = {
     * @constant
     * @default
     */
-    MIN_STRING_LEN: 3,
+    MIN_STRING_LEN: 4,
+    /**
+     * @constant
+     * @default
+     */
+    STRING_MATCH_TYPE: [
+        "[ASCII]", "Alphanumeric + punctuation (A)", "All printable chars (A)", "Null-terminated strings (A)",
+        "[Unicode]", "Alphanumeric + punctuation (U)", "All printable chars (U)", "Null-terminated strings (U)"
+    ],
+    /**
+     * @constant
+     * @default
+     */
+    ENCODING_LIST: ["Single byte", "16-bit littleendian", "16-bit bigendian", "All"],
    /**
     * @constant
     * @default
@@ -58,10 +79,59 @@ const Extract = {
     * @returns {string}
     */
    runStrings: function(input, args) {
-        let minLen = args[0] || Extract.MIN_STRING_LEN,
-            displayTotal = args[1],
-            strings = "[A-Z\\d/\\-:.,_$%'\"()<>= !\\[\\]{}@]",
-            regex = new RegExp(strings + "{" + minLen + ",}", "ig");
+        const encoding = args[0],
+            minLen = args[1],
+            matchType = args[2],
+            displayTotal = args[3],
+            alphanumeric = "A-Z\\d",
+            punctuation = "/\\-:.,_$%'\"()<>= !\\[\\]{}@",
+            printable = "\x20-\x7e",
+            uniAlphanumeric = "\\pL\\pN",
+            uniPunctuation = "\\pP\\pZ",
+            uniPrintable = "\\pL\\pM\\pZ\\pS\\pN\\pP";
+
+        let strings = "";
+
+        switch (matchType) {
+            case "Alphanumeric + punctuation (A)":
+                strings = `[${alphanumeric + punctuation}]`;
+                break;
+            case "All printable chars (A)":
+            case "Null-terminated strings (A)":
+                strings = `[${printable}]`;
+                break;
+            case "Alphanumeric + punctuation (U)":
+                strings = `[${uniAlphanumeric + uniPunctuation}]`;
+                break;
+            case "All printable chars (U)":
+            case "Null-terminated strings (U)":
+                strings = `[${uniPrintable}]`;
+                break;
+        }
+
+        // UTF-16 support is hacked in by allowing null bytes on either side of the matched chars
+        switch (encoding) {
+            case "All":
+                strings = `(\x00?${strings}\x00?)`;
+                break;
+            case "16-bit littleendian":
+                strings = `(${strings}\x00)`;
+                break;
+            case "16-bit bigendian":
+                strings = `(\x00${strings})`;
+                break;
+            case "Single byte":
+            default:
+                break;
+        }
+
+        strings = `${strings}{${minLen},}`;
+
+        if (matchType.includes("Null-terminated")) {
+            strings += "\x00";
+        }
+
+        const regex = new XRegExp(strings, "ig");

        return Extract._search(input, regex, null, displayTotal);
    },
@@ -137,7 +207,7 @@ const Extract = {
     */
    runEmail: function(input, args) {
        let displayTotal = args[0],
-            regex = /\w[-.\w]*@[-\w]+(?:\.[-\w]+)*\.[A-Z]{2,4}/ig;
+            regex = /\b\w[-.\w]*@[-\w]+(?:\.[-\w]+)*\.[A-Z]{2,4}\b/ig;

        return Extract._search(input, regex, null, displayTotal);
    },
@@ -217,7 +287,7 @@ const Extract = {
            includeUnixPath = args[1],
            displayTotal = args[2],
            winDrive = "[A-Z]:\\\\",
-            winName = "[A-Z\\d][A-Z\\d\\- '_\\(\\)]{0,61}",
+            winName = "[A-Z\\d][A-Z\\d\\- '_\\(\\)~]{0,61}",
            winExt = "[A-Z\\d]{1,6}",
            winPath = winDrive + "(?:" + winName + "\\\\?)*" + winName +
                "(?:\\." + winExt + ")?",
--- a/src/core/operations/FileType.js
+++ b/src/core/operations/FileType.js
@@ -15,12 +15,13 @@ const FileType = {
    /**
     * Detect File Type operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runDetect: function(input, args) {
-        const type = FileType.magicType(input);
+        const data = new Uint8Array(input),
+            type = FileType.magicType(data);

        if (!type) {
            return "Unknown file type. Have you tried checking the entropy of this data to determine whether it might be encrypted or compressed?";
@@ -46,20 +47,21 @@ const FileType = {
    /**
     * Scan for Embedded Files operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runScanForEmbeddedFiles: function(input, args) {
        let output = "Scanning data for 'magic bytes' which may indicate embedded files. The following results may be false positives and should not be treat as reliable. Any suffiently long file is likely to contain these magic bytes coincidentally.\n",
            type,
-            ignoreCommon = args[0],
-            commonExts = ["ico", "ttf", ""],
            numFound = 0,
            numCommonFound = 0;
+        const ignoreCommon = args[0],
+            commonExts = ["ico", "ttf", ""],
+            data = new Uint8Array(input);

-        for (let i = 0; i < input.length; i++) {
-            type = FileType.magicType(input.slice(i));
+        for (let i = 0; i < data.length; i++) {
+            type = FileType.magicType(data.slice(i));
            if (type) {
                if (ignoreCommon && commonExts.indexOf(type.ext) > -1) {
                    numCommonFound++;
@@ -96,7 +98,7 @@ const FileType = {
     * Given a buffer, detects magic byte sequences at specific positions and returns the
     * extension and mime type.
     *
-     * @param {byteArray} buf
+     * @param {Uint8Array} buf
     * @returns {Object} type
     * @returns {string} type.ext - File extension
     * @returns {string} type.mime - Mime type
--- a/src/core/operations/Filetime.js
+++ b/src/core/operations/Filetime.js
@@ -1,4 +1,4 @@
-import {BigInteger} from "jsbn";
+import BigNumber from "bignumber.js";

 /**
 * Windows Filetime operations.
@@ -35,27 +35,29 @@ const Filetime = {
        let units = args[0],
            format = args[1];

+        if (!input) return "";
+
        if (format === "Hex") {
-            input = new BigInteger(input, 16);
+            input = new BigNumber(input, 16);
        } else {
-            input = new BigInteger(input);
+            input = new BigNumber(input);
        }

-        input = input.subtract(new BigInteger("116444736000000000"));
+        input = input.minus(new BigNumber("116444736000000000"));

        if (units === "Seconds (s)"){
-            input = input.divide(new BigInteger("10000000"));
+            input = input.dividedBy(new BigNumber("10000000"));
        } else if (units === "Milliseconds (ms)") {
-            input = input.divide(new BigInteger("10000"));
+            input = input.dividedBy(new BigNumber("10000"));
        } else if (units === "Microseconds (μs)") {
-            input = input.divide(new BigInteger("10"));
+            input = input.dividedBy(new BigNumber("10"));
        } else if (units === "Nanoseconds (ns)") {
-            input = input.multiply(new BigInteger("100"));
+            input = input.multipliedBy(new BigNumber("100"));
        } else {
            throw "Unrecognised unit";
        }

-        return input.toString();
+        return input.toFixed();
    },


@@ -71,26 +73,28 @@ const Filetime = {
        let units = args[0],
            format = args[1];

-        input = new BigInteger(input);
+        if (!input) return "";
+
+        input = new BigNumber(input);

        if (units === "Seconds (s)"){
-            input = input.multiply(new BigInteger("10000000"));
+            input = input.multipliedBy(new BigNumber("10000000"));
        } else if (units === "Milliseconds (ms)") {
-            input = input.multiply(new BigInteger("10000"));
+            input = input.multipliedBy(new BigNumber("10000"));
        } else if (units === "Microseconds (μs)") {
-            input = input.multiply(new BigInteger("10"));
+            input = input.multiplyiedBy(new BigNumber("10"));
        } else if (units === "Nanoseconds (ns)") {
-            input = input.divide(new BigInteger("100"));
+            input = input.dividedBy(new BigNumber("100"));
        } else {
            throw "Unrecognised unit";
        }

-        input = input.add(new BigInteger("116444736000000000"));
+        input = input.plus(new BigNumber("116444736000000000"));

        if (format === "Hex"){
            return input.toString(16);
        } else {
-            return input.toString();
+            return input.toFixed();
        }
    },

--- a/src/core/operations/HTML.js
+++ b/src/core/operations/HTML.js
@@ -215,9 +215,9 @@ const HTML = {
        k = k.toFixed(2);

        let hex = "#" +
-                Utils.padLeft(Math.round(r).toString(16), 2) +
-                Utils.padLeft(Math.round(g).toString(16), 2) +
-                Utils.padLeft(Math.round(b).toString(16), 2),
+                Math.round(r).toString(16).padStart(2, "0") +
+                Math.round(g).toString(16).padStart(2, "0") +
+                Math.round(b).toString(16).padStart(2, "0"),
            rgb  = "rgb(" + r + ", " + g + ", " + b + ")",
            rgba = "rgba(" + r + ", " + g + ", " + b + ", " + a + ")",
            hsl  = "hsl(" + h + ", " + s + "%, " + l + "%)",
--- a/src/core/operations/HTTP.js
+++ b/src/core/operations/HTTP.js
@@ -1,4 +1,4 @@
-import {UAS_parser as UAParser} from "../lib/uas_parser.js";
+import UAParser from "ua-parser-js";


 /**
@@ -46,20 +46,22 @@ const HTTP = {
     * @returns {string}
     */
    runParseUserAgent: function(input, args) {
-        const ua = UAParser.parse(input);
-
-        return "Type: " + ua.type + "\n" +
-            "Family: " + ua.uaFamily + "\n" +
-            "Name: " + ua.uaName + "\n" +
-            "URL: " + ua.uaUrl + "\n" +
-            "Company: " + ua.uaCompany + "\n" +
-            "Company URL: " + ua.uaCompanyUrl + "\n\n" +
-            "OS Family: " + ua.osFamily + "\n" +
-            "OS Name: " + ua.osName + "\n" +
-            "OS URL: " + ua.osUrl + "\n" +
-            "OS Company: " + ua.osCompany + "\n" +
-            "OS Company URL: " + ua.osCompanyUrl + "\n" +
-            "Device Type: " + ua.deviceType + "\n";
+        const ua = UAParser(input);
+        return `Browser
+    Name: ${ua.browser.name || "unknown"}
+    Version: ${ua.browser.version || "unknown"}
+Device
+    Model: ${ua.device.model || "unknown"}
+    Type: ${ua.device.type || "unknown"}
+    Vendor: ${ua.device.vendor || "unknown"}
+Engine
+    Name: ${ua.engine.name || "unknown"}
+    Version: ${ua.engine.version || "unknown"}
+OS
+    Name: ${ua.os.name || "unknown"}
+    Version: ${ua.os.version || "unknown"}
+CPU
+    Architecture: ${ua.cpu.architecture || "unknown"}`;
    },


--- a/src/core/operations/Hash.js
+++ b/src/core/operations/Hash.js
@@ -1,8 +1,10 @@
 import Utils from "../Utils.js";
-import CryptoApi from "crypto-api";
+import CryptoApi from "babel-loader!crypto-api";
 import MD6 from "node-md6";
 import * as SHA3 from "js-sha3";
 import Checksum from "./Checksum.js";
+import ctph from "ctph.js";
+import ssdeep from "ssdeep.js";


 /**
@@ -20,22 +22,22 @@ const Hash = {
     * Generic hash function.
     *
     * @param {string} name
-     * @param {string} input
+     * @param {ArrayBuffer} input
+     * @param {Object} [options={}]
     * @returns {string}
     */
-    runHash: function(name, input) {
-        const hasher = CryptoApi.hasher(name);
-        hasher.state.message = input;
-        hasher.state.length += input.length;
-        hasher.process();
-        return hasher.finalize().stringify("hex");
+    runHash: function(name, input, options={}) {
+        const msg = Utils.arrayBufferToStr(input, false),
+            hasher = CryptoApi.getHasher(name, options);
+        hasher.update(msg);
+        return CryptoApi.encoder.toHex(hasher.finalize());
    },


    /**
     * MD2 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -47,7 +49,7 @@ const Hash = {
    /**
     * MD4 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -59,7 +61,7 @@ const Hash = {
    /**
     * MD5 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -103,7 +105,7 @@ const Hash = {
    /**
     * SHA0 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -115,7 +117,7 @@ const Hash = {
    /**
     * SHA1 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -133,7 +135,7 @@ const Hash = {
    /**
     * SHA2 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -152,7 +154,7 @@ const Hash = {
    /**
     * SHA3 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -190,7 +192,7 @@ const Hash = {
    /**
     * Keccak operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -233,7 +235,7 @@ const Hash = {
    /**
     * Shake operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -269,7 +271,7 @@ const Hash = {
    /**
     * RIPEMD operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -282,7 +284,7 @@ const Hash = {
    /**
     * HAS-160 operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -300,7 +302,7 @@ const Hash = {
    /**
     * Whirlpool operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
@@ -324,14 +326,73 @@ const Hash = {
    /**
     * Snefru operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runSnefru: function (input, args) {
-        const rounds = args[0],
-            size = args[1];
-        return Hash.runHash(`snefru-${rounds}-${size}`, input);
+        return Hash.runHash("snefru", input, {
+            rounds: args[0],
+            length: args[1]
+        });
+    },
+
+
+    /**
+     * CTPH operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runCTPH: function (input, args) {
+        return ctph.digest(input);
+    },
+
+
+    /**
+     * SSDEEP operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runSSDEEP: function (input, args) {
+        return ssdeep.digest(input);
+    },
+
+
+    /**
+     * @constant
+     * @default
+     */
+    DELIM_OPTIONS: ["Line feed", "CRLF", "Space", "Comma", "Semi-colon", "Colon"],
+
+    /**
+     * Compare CTPH hashes operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {Number}
+     */
+    runCompareCTPH: function (input, args) {
+        const samples = input.split(Utils.charRep[args[0]]);
+        if (samples.length !== 2) throw "Incorrect number of samples.";
+        return ctph.similarity(samples[0], samples[1]);
+    },
+
+
+    /**
+     * Compare SSDEEP hashes operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {Number}
+     */
+    runCompareSSDEEP: function (input, args) {
+        const samples = input.split(Utils.charRep[args[0]]);
+        if (samples.length !== 2) throw "Incorrect number of samples.";
+        return ssdeep.similarity(samples[0], samples[1]);
    },


@@ -358,71 +419,85 @@ const Hash = {
        "HAS160",
        "Whirlpool",
        "Whirlpool-0",
-        "Whirlpool-T"
+        "Whirlpool-T",
+        "Snefru"
    ],

    /**
     * HMAC operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runHMAC: function (input, args) {
-        const password = args[0],
+        const key = args[0],
            hashFunc = args[1].toLowerCase(),
-            hmac = CryptoApi.mac("hmac", password, hashFunc, {});
+            msg = Utils.arrayBufferToStr(input, false),
+            hasher = CryptoApi.getHasher(hashFunc);

-        hmac.update(input);
-        return hmac.finalize().stringify("hex");
+        // Horrible shim to fix constructor bug. Reported in nf404/crypto-api#8
+        hasher.reset = () => {
+            hasher.state = {};
+            const tmp = new hasher.constructor();
+            hasher.state = tmp.state;
+        };
+
+        const mac = CryptoApi.getHmac(CryptoApi.encoder.fromUtf(key), hasher);
+        mac.update(msg);
+        return CryptoApi.encoder.toHex(mac.finalize());
    },


    /**
     * Generate all hashes operation.
     *
-     * @param {string} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runAll: function (input, args) {
-        let byteArray = Utils.strToByteArray(input),
-            output = "MD2:         " + Hash.runMD2(input, []) +
-                "\nMD4:         " + Hash.runMD4(input, []) +
-                "\nMD5:         " + Hash.runMD5(input, []) +
-                "\nMD6:         " + Hash.runMD6(input, []) +
-                "\nSHA0:        " + Hash.runSHA0(input, []) +
-                "\nSHA1:        " + Hash.runSHA1(input, []) +
-                "\nSHA2 224:    " + Hash.runSHA2(input, ["224"]) +
-                "\nSHA2 256:    " + Hash.runSHA2(input, ["256"]) +
-                "\nSHA2 384:    " + Hash.runSHA2(input, ["384"]) +
-                "\nSHA2 512:    " + Hash.runSHA2(input, ["512"]) +
-                "\nSHA3 224:    " + Hash.runSHA3(input, ["224"]) +
-                "\nSHA3 256:    " + Hash.runSHA3(input, ["256"]) +
-                "\nSHA3 384:    " + Hash.runSHA3(input, ["384"]) +
-                "\nSHA3 512:    " + Hash.runSHA3(input, ["512"]) +
-                "\nKeccak 224:  " + Hash.runKeccak(input, ["224"]) +
-                "\nKeccak 256:  " + Hash.runKeccak(input, ["256"]) +
-                "\nKeccak 384:  " + Hash.runKeccak(input, ["384"]) +
-                "\nKeccak 512:  " + Hash.runKeccak(input, ["512"]) +
-                "\nShake 128:   " + Hash.runShake(input, ["128", 256]) +
-                "\nShake 256:   " + Hash.runShake(input, ["256", 512]) +
-                "\nRIPEMD-128:  " + Hash.runRIPEMD(input, ["128"]) +
-                "\nRIPEMD-160:  " + Hash.runRIPEMD(input, ["160"]) +
-                "\nRIPEMD-256:  " + Hash.runRIPEMD(input, ["256"]) +
-                "\nRIPEMD-320:  " + Hash.runRIPEMD(input, ["320"]) +
-                "\nHAS-160:     " + Hash.runHAS(input, []) +
-                "\nWhirlpool-0: " + Hash.runWhirlpool(input, ["Whirlpool-0"]) +
-                "\nWhirlpool-T: " + Hash.runWhirlpool(input, ["Whirlpool-T"]) +
-                "\nWhirlpool:   " + Hash.runWhirlpool(input, ["Whirlpool"]) +
+        const arrayBuffer = input,
+            str = Utils.arrayBufferToStr(arrayBuffer, false),
+            byteArray = new Uint8Array(arrayBuffer),
+            output = "MD2:         " + Hash.runMD2(arrayBuffer, []) +
+                "\nMD4:         " + Hash.runMD4(arrayBuffer, []) +
+                "\nMD5:         " + Hash.runMD5(arrayBuffer, []) +
+                "\nMD6:         " + Hash.runMD6(str, []) +
+                "\nSHA0:        " + Hash.runSHA0(arrayBuffer, []) +
+                "\nSHA1:        " + Hash.runSHA1(arrayBuffer, []) +
+                "\nSHA2 224:    " + Hash.runSHA2(arrayBuffer, ["224"]) +
+                "\nSHA2 256:    " + Hash.runSHA2(arrayBuffer, ["256"]) +
+                "\nSHA2 384:    " + Hash.runSHA2(arrayBuffer, ["384"]) +
+                "\nSHA2 512:    " + Hash.runSHA2(arrayBuffer, ["512"]) +
+                "\nSHA3 224:    " + Hash.runSHA3(arrayBuffer, ["224"]) +
+                "\nSHA3 256:    " + Hash.runSHA3(arrayBuffer, ["256"]) +
+                "\nSHA3 384:    " + Hash.runSHA3(arrayBuffer, ["384"]) +
+                "\nSHA3 512:    " + Hash.runSHA3(arrayBuffer, ["512"]) +
+                "\nKeccak 224:  " + Hash.runKeccak(arrayBuffer, ["224"]) +
+                "\nKeccak 256:  " + Hash.runKeccak(arrayBuffer, ["256"]) +
+                "\nKeccak 384:  " + Hash.runKeccak(arrayBuffer, ["384"]) +
+                "\nKeccak 512:  " + Hash.runKeccak(arrayBuffer, ["512"]) +
+                "\nShake 128:   " + Hash.runShake(arrayBuffer, ["128", 256]) +
+                "\nShake 256:   " + Hash.runShake(arrayBuffer, ["256", 512]) +
+                "\nRIPEMD-128:  " + Hash.runRIPEMD(arrayBuffer, ["128"]) +
+                "\nRIPEMD-160:  " + Hash.runRIPEMD(arrayBuffer, ["160"]) +
+                "\nRIPEMD-256:  " + Hash.runRIPEMD(arrayBuffer, ["256"]) +
+                "\nRIPEMD-320:  " + Hash.runRIPEMD(arrayBuffer, ["320"]) +
+                "\nHAS-160:     " + Hash.runHAS(arrayBuffer, []) +
+                "\nWhirlpool-0: " + Hash.runWhirlpool(arrayBuffer, ["Whirlpool-0"]) +
+                "\nWhirlpool-T: " + Hash.runWhirlpool(arrayBuffer, ["Whirlpool-T"]) +
+                "\nWhirlpool:   " + Hash.runWhirlpool(arrayBuffer, ["Whirlpool"]) +
+                "\nSSDEEP:      " + Hash.runSSDEEP(str) +
+                "\nCTPH:        " + Hash.runCTPH(str) +
                "\n\nChecksums:" +
                "\nFletcher-8:  " + Checksum.runFletcher8(byteArray, []) +
                "\nFletcher-16: " + Checksum.runFletcher16(byteArray, []) +
                "\nFletcher-32: " + Checksum.runFletcher32(byteArray, []) +
                "\nFletcher-64: " + Checksum.runFletcher64(byteArray, []) +
                "\nAdler-32:    " + Checksum.runAdler32(byteArray, []) +
-                "\nCRC-16:      " + Checksum.runCRC16(input, []) +
-                "\nCRC-32:      " + Checksum.runCRC32(input, []);
+                "\nCRC-16:      " + Checksum.runCRC16(str, []) +
+                "\nCRC-32:      " + Checksum.runCRC32(str, []);

        return output;
    },
--- a/src/core/operations/Hexdump.js
+++ b/src/core/operations/Hexdump.js
@@ -31,18 +31,19 @@ const Hexdump = {
    /**
     * To Hexdump operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runTo: function(input, args) {
+        const data = new Uint8Array(input);
        const length = args[0] || Hexdump.WIDTH;
        const upperCase = args[1];
        const includeFinalLength = args[2];

        let output = "", padding = 2;
-        for (let i = 0; i < input.length; i += length) {
-            const buff = input.slice(i, i+length);
+        for (let i = 0; i < data.length; i += length) {
+            const buff = data.slice(i, i+length);
            let hexa = "";
            for (let j = 0; j < buff.length; j++) {
                hexa += Utils.hex(buff[j], padding) + " ";
@@ -56,10 +57,10 @@ const Hexdump = {
            }

            output += lineNo + "  " +
-                Utils.padRight(hexa, (length*(padding+1))) +
-                " |" + Utils.padRight(Utils.printable(Utils.byteArrayToChars(buff)), buff.length) + "|\n";
+                hexa.padEnd(length*(padding+1), " ") +
+                " |" + Utils.printable(Utils.byteArrayToChars(buff)).padEnd(buff.length, " ") + "|\n";

-            if (includeFinalLength && i+buff.length === input.length) {
+            if (includeFinalLength && i+buff.length === data.length) {
                output += Utils.hex(i+buff.length, 8) + "\n";
            }
        }
--- a/src/core/operations/Image.js
+++ b/src/core/operations/Image.js
@@ -20,14 +20,13 @@ const Image = {
     *
     * Extracts EXIF data from a byteArray, representing a JPG or a TIFF image.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
     * @returns {string}
     */
    runExtractEXIF(input, args) {
        try {
-            const bytes = Uint8Array.from(input);
-            const parser = ExifParser.create(bytes.buffer);
+            const parser = ExifParser.create(input);
            const result = parser.parse();

            let lines = [];
@@ -53,7 +52,7 @@ const Image = {
     * @author David Moodie [davidmoodie12@gmail.com]
     * @param {byteArray} input
     * @param {Object[]} args
-     * @returns {string}
+     * @returns {byteArray}
     */
    runRemoveEXIF(input, args) {
        // Do nothing if input is empty
--- a/src/core/operations/MAC.js
+++ b/src/core/operations/MAC.js
@@ -34,6 +34,11 @@ const MAC = {
     * @default
     */
    CISCO_STYLE: false,
+    /**
+     * @constant
+     * @default
+     */
+    IPV6_INTERFACE_ID: false,

    /**
     * Format MAC addresses operation.
@@ -50,6 +55,7 @@ const MAC = {
            dashDelim = args[2],
            colonDelim = args[3],
            ciscoStyle = args[4],
+            ipv6IntID = args[5],
            outputList = [],
            macs = input.toLowerCase().split(/[,\s\r\n]+/);

@@ -57,23 +63,32 @@ const MAC = {
            let cleanMac = mac.replace(/[:.-]+/g, ""),
                macHyphen = cleanMac.replace(/(.{2}(?=.))/g, "$1-"),
                macColon = cleanMac.replace(/(.{2}(?=.))/g, "$1:"),
-                macCisco = cleanMac.replace(/(.{4}(?=.))/g, "$1.");
+                macCisco = cleanMac.replace(/(.{4}(?=.))/g, "$1."),
+                macIPv6 = cleanMac.slice(0, 6) + "fffe" + cleanMac.slice(6);
+
+            macIPv6 = macIPv6.replace(/(.{4}(?=.))/g, "$1:");
+            let bite = parseInt(macIPv6.slice(0, 2), 16) ^ 2;
+            bite = bite.toString(16).padStart(2, "0");
+            macIPv6 = bite + macIPv6.slice(2);

            if (outputCase === "Lower only") {
                if (noDelim) outputList.push(cleanMac);
                if (dashDelim) outputList.push(macHyphen);
                if (colonDelim) outputList.push(macColon);
                if (ciscoStyle) outputList.push(macCisco);
+                if (ipv6IntID) outputList.push(macIPv6);
            } else if (outputCase === "Upper only") {
                if (noDelim) outputList.push(cleanMac.toUpperCase());
                if (dashDelim) outputList.push(macHyphen.toUpperCase());
                if (colonDelim) outputList.push(macColon.toUpperCase());
                if (ciscoStyle) outputList.push(macCisco.toUpperCase());
+                if (ipv6IntID) outputList.push(macIPv6.toUpperCase());
            } else {
                if (noDelim) outputList.push(cleanMac, cleanMac.toUpperCase());
                if (dashDelim) outputList.push(macHyphen, macHyphen.toUpperCase());
                if (colonDelim) outputList.push(macColon, macColon.toUpperCase());
                if (ciscoStyle) outputList.push(macCisco, macCisco.toUpperCase());
+                if (ipv6IntID) outputList.push(macIPv6, macIPv6.toUpperCase());
            }

            outputList.push(
--- a/src/core/operations/PublicKey.js
+++ b/src/core/operations/PublicKey.js
@@ -121,8 +121,7 @@ const PublicKey = {
        // Format Public Key fields
        for (let i = 0; i < pkFields.length; i++) {
            pkStr += "  " + pkFields[i].key + ":" +
-                Utils.padLeft(
-                    pkFields[i].value + "\n",
+                (pkFields[i].value + "\n").padStart(
                    18 - (pkFields[i].key.length + 3) + pkFields[i].value.length + 1,
                    " "
                );
@@ -286,9 +285,9 @@ ${extensions}`;

            key = fields[i].split("=")[0];
            value = fields[i].split("=")[1];
-            str = Utils.padRight(key, maxKeyLen) + " = " + value + "\n";
+            str = key.padEnd(maxKeyLen, " ") + " = " + value + "\n";

-            output += Utils.padLeft(str, indent + str.length, " ");
+            output += str.padStart(indent + str.length, " ");
        }

        return output.slice(0, -1);
@@ -314,7 +313,7 @@ ${extensions}`;
            if (i === 0) {
                output += str;
            } else {
-                output += Utils.padLeft(str, indent + str.length, " ");
+                output += str.padStart(indent + str.length, " ");
            }
        }

--- a/src/core/operations/Regex.js
+++ b/src/core/operations/Regex.js
@@ -0,0 +1,278 @@
+import XRegExp from "xregexp";
+import Utils from "../Utils.js";
+
+
+/**
+ * Regex operations.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ *
+ * @namespace
+ */
+const Regex = {
+
+    /**
+     * @constant
+     * @default
+     */
+    REGEX_PRE_POPULATE: [
+        {
+            name: "User defined",
+            value: ""
+        },
+        {
+            name: "IPv4 address",
+            value: "(?:(?:\\d|[01]?\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d|\\d)(?:\\/\\d{1,2})?"
+        },
+        {
+            name: "IPv6 address",
+            value: "((?=.*::)(?!.*::.+::)(::)?([\\dA-Fa-f]{1,4}:(:|\\b)|){5}|([\\dA-Fa-f]{1,4}:){6})((([\\dA-Fa-f]{1,4}((?!\\3)::|:\\b|(?![\\dA-Fa-f])))|(?!\\2\\3)){2}|(((2[0-4]|1\\d|[1-9])?\\d|25[0-5])\\.?\\b){4})"
+        },
+        {
+            name: "Email address",
+            value: "\\b(\\w[-.\\w]*)@([-\\w]+(?:\\.[-\\w]+)*)\\.([A-Za-z]{2,4})\\b"
+        },
+        {
+            name: "URL",
+            value: "([A-Za-z]+://)([-\\w]+(?:\\.\\w[-\\w]*)+)(:\\d+)?(/[^.!,?\"<>\\[\\]{}\\s\\x7F-\\xFF]*(?:[.!,?]+[^.!,?\"<>\\[\\]{}\\s\\x7F-\\xFF]+)*)?"
+        },
+        {
+            name: "Domain",
+            value: "\\b((?=[a-z0-9-]{1,63}\\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\\.)+[a-z]{2,63}\\b"
+        },
+        {
+            name: "Windows file path",
+            value: "([A-Za-z]):\\\\((?:[A-Za-z\\d][A-Za-z\\d\\- \\x27_\\(\\)~]{0,61}\\\\?)*[A-Za-z\\d][A-Za-z\\d\\- \\x27_\\(\\)]{0,61})(\\.[A-Za-z\\d]{1,6})?"
+        },
+        {
+            name: "UNIX file path",
+            value: "(?:/[A-Za-z\\d.][A-Za-z\\d\\-.]{0,61})+"
+        },
+        {
+            name: "MAC address",
+            value: "[A-Fa-f\\d]{2}(?:[:-][A-Fa-f\\d]{2}){5}"
+        },
+        {
+            name: "Date (yyyy-mm-dd)",
+            value: "((?:19|20)\\d\\d)[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])"
+        },
+        {
+            name: "Date (dd/mm/yyyy)",
+            value: "(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.]((?:19|20)\\d\\d)"
+        },
+        {
+            name: "Date (mm/dd/yyyy)",
+            value: "(0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])[- /.]((?:19|20)\\d\\d)"
+        },
+        {
+            name: "Strings",
+            value: "[A-Za-z\\d/\\-:.,_$%\\x27\"()<>= !\\[\\]{}@]{4,}"
+        },
+    ],
+    /**
+     * @constant
+     * @default
+     */
+    OUTPUT_FORMAT: ["Highlight matches", "List matches", "List capture groups", "List matches with capture groups"],
+    /**
+     * @constant
+     * @default
+     */
+    DISPLAY_TOTAL: false,
+
+    /**
+     * Regular expression operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {html}
+     */
+    runRegex: function(input, args) {
+        const userRegex = args[1],
+            i = args[2],
+            m = args[3],
+            s = args[4],
+            u = args[5],
+            a = args[6],
+            displayTotal = args[7],
+            outputFormat = args[8];
+        let modifiers = "g";
+
+        if (i) modifiers += "i";
+        if (m) modifiers += "m";
+        if (s) modifiers += "s";
+        if (u) modifiers += "u";
+        if (a) modifiers += "A";
+
+        if (userRegex && userRegex !== "^" && userRegex !== "$") {
+            try {
+                const regex = new XRegExp(userRegex, modifiers);
+
+                switch (outputFormat) {
+                    case "Highlight matches":
+                        return Regex._regexHighlight(input, regex, displayTotal);
+                    case "List matches":
+                        return Utils.escapeHtml(Regex._regexList(input, regex, displayTotal, true, false));
+                    case "List capture groups":
+                        return Utils.escapeHtml(Regex._regexList(input, regex, displayTotal, false, true));
+                    case "List matches with capture groups":
+                        return Utils.escapeHtml(Regex._regexList(input, regex, displayTotal, true, true));
+                    default:
+                        return "Error: Invalid output format";
+                }
+            } catch (err) {
+                return "Invalid regex. Details: " + err.message;
+            }
+        } else {
+            return Utils.escapeHtml(input);
+        }
+    },
+
+
+    /**
+     * @constant
+     * @default
+     */
+    SEARCH_TYPE: ["Regex", "Extended (\\n, \\t, \\x...)", "Simple string"],
+    /**
+     * @constant
+     * @default
+     */
+    FIND_REPLACE_GLOBAL: true,
+    /**
+     * @constant
+     * @default
+     */
+    FIND_REPLACE_CASE: false,
+    /**
+     * @constant
+     * @default
+     */
+    FIND_REPLACE_MULTILINE: true,
+
+    /**
+     * Find / Replace operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runFindReplace: function(input, args) {
+        let find = args[0].string,
+            type = args[0].option,
+            replace = args[1],
+            g = args[2],
+            i = args[3],
+            m = args[4],
+            modifiers = "";
+
+        if (g) modifiers += "g";
+        if (i) modifiers += "i";
+        if (m) modifiers += "m";
+
+        if (type === "Regex") {
+            find = new RegExp(find, modifiers);
+            return input.replace(find, replace);
+        }
+
+        if (type.indexOf("Extended") === 0) {
+            find = Utils.parseEscapedChars(find);
+        }
+
+        find = new RegExp(Utils.escapeRegex(find), modifiers);
+
+        return input.replace(find, replace);
+    },
+
+
+    /**
+     * Adds HTML highlights to matches within a string.
+     *
+     * @private
+     * @param {string} input
+     * @param {RegExp} regex
+     * @param {boolean} displayTotal
+     * @returns {string}
+     */
+    _regexHighlight: function(input, regex, displayTotal) {
+        let output = "",
+            m,
+            hl = 1,
+            i = 0,
+            total = 0;
+
+        while ((m = regex.exec(input))) {
+            // Moves pointer when an empty string is matched (prevents infinite loop)
+            if (m.index === regex.lastIndex) {
+                regex.lastIndex++;
+            }
+
+            // Add up to match
+            output += Utils.escapeHtml(input.slice(i, m.index));
+
+            // Add match with highlighting
+            output += "<span class='hl"+hl+"'>" + Utils.escapeHtml(m[0]) + "</span>";
+
+            // Switch highlight
+            hl = hl === 1 ? 2 : 1;
+
+            i = regex.lastIndex;
+            total++;
+        }
+
+        // Add all after final match
+        output += Utils.escapeHtml(input.slice(i, input.length));
+
+        if (displayTotal)
+            output = "Total found: " + total + "\n\n" + output;
+
+        return output;
+    },
+
+
+    /**
+     * Creates a string listing the matches within a string.
+     *
+     * @private
+     * @param {string} input
+     * @param {RegExp} regex
+     * @param {boolean} displayTotal
+     * @param {boolean} matches - Display full match
+     * @param {boolean} captureGroups - Display each of the capture groups separately
+     * @returns {string}
+     */
+    _regexList: function(input, regex, displayTotal, matches, captureGroups) {
+        let output = "",
+            total = 0,
+            match;
+
+        while ((match = regex.exec(input))) {
+            // Moves pointer when an empty string is matched (prevents infinite loop)
+            if (match.index === regex.lastIndex) {
+                regex.lastIndex++;
+            }
+
+            total++;
+            if (matches) {
+                output += match[0] + "\n";
+            }
+            if (captureGroups) {
+                for (let i = 1; i < match.length; i++) {
+                    if (matches) {
+                        output += "  Group " + i + ": ";
+                    }
+                    output += match[i] + "\n";
+                }
+            }
+        }
+
+        if (displayTotal)
+            output = "Total found: " + total + "\n\n" + output;
+
+        return output.slice(0, -1);
+    },
+};
+
+export default Regex;
--- a/src/core/operations/SeqUtils.js
+++ b/src/core/operations/SeqUtils.js
@@ -158,7 +158,7 @@ const SeqUtils = {
            width = lines.length.toString().length;

        for (let n = 0; n < lines.length; n++) {
-            output += Utils.pad((n+1).toString(), width, " ") + " " + lines[n] + "\n";
+            output += (n+1).toString().padStart(width, " ") + " " + lines[n] + "\n";
        }
        return output.slice(0, output.length-1);
    },
--- a/src/core/operations/StrUtils.js
+++ b/src/core/operations/StrUtils.js
@@ -12,128 +12,6 @@ import Utils from "../Utils.js";
 */
 const StrUtils = {

-    /**
-     * @constant
-     * @default
-     */
-    REGEX_PRE_POPULATE: [
-        {
-            name: "User defined",
-            value: ""
-        },
-        {
-            name: "IPv4 address",
-            value: "(?:(?:\\d|[01]?\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d|\\d)(?:\\/\\d{1,2})?"
-        },
-        {
-            name: "IPv6 address",
-            value: "((?=.*::)(?!.*::.+::)(::)?([\\dA-Fa-f]{1,4}:(:|\\b)|){5}|([\\dA-Fa-f]{1,4}:){6})((([\\dA-Fa-f]{1,4}((?!\\3)::|:\\b|(?![\\dA-Fa-f])))|(?!\\2\\3)){2}|(((2[0-4]|1\\d|[1-9])?\\d|25[0-5])\\.?\\b){4})"
-        },
-        {
-            name: "Email address",
-            value: "(\\w[-.\\w]*)@([-\\w]+(?:\\.[-\\w]+)*)\\.([A-Za-z]{2,4})"
-        },
-        {
-            name: "URL",
-            value: "([A-Za-z]+://)([-\\w]+(?:\\.\\w[-\\w]*)+)(:\\d+)?(/[^.!,?\"<>\\[\\]{}\\s\\x7F-\\xFF]*(?:[.!,?]+[^.!,?\"<>\\[\\]{}\\s\\x7F-\\xFF]+)*)?"
-        },
-        {
-            name: "Domain",
-            value: "\\b((?=[a-z0-9-]{1,63}\\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\\.)+[a-z]{2,63}\\b"
-        },
-        {
-            name: "Windows file path",
-            value: "([A-Za-z]):\\\\((?:[A-Za-z\\d][A-Za-z\\d\\- \\x27_\\(\\)]{0,61}\\\\?)*[A-Za-z\\d][A-Za-z\\d\\- \\x27_\\(\\)]{0,61})(\\.[A-Za-z\\d]{1,6})?"
-        },
-        {
-            name: "UNIX file path",
-            value: "(?:/[A-Za-z\\d.][A-Za-z\\d\\-.]{0,61})+"
-        },
-        {
-            name: "MAC address",
-            value: "[A-Fa-f\\d]{2}(?:[:-][A-Fa-f\\d]{2}){5}"
-        },
-        {
-            name: "Date (yyyy-mm-dd)",
-            value: "((?:19|20)\\d\\d)[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])"
-        },
-        {
-            name: "Date (dd/mm/yyyy)",
-            value: "(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.]((?:19|20)\\d\\d)"
-        },
-        {
-            name: "Date (mm/dd/yyyy)",
-            value: "(0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])[- /.]((?:19|20)\\d\\d)"
-        },
-        {
-            name: "Strings",
-            value: "[A-Za-z\\d/\\-:.,_$%\\x27\"()<>= !\\[\\]{}@]{4,}"
-        },
-    ],
-    /**
-     * @constant
-     * @default
-     */
-    REGEX_CASE_INSENSITIVE: true,
-    /**
-     * @constant
-     * @default
-     */
-    REGEX_MULTILINE_MATCHING: true,
-    /**
-     * @constant
-     * @default
-     */
-    OUTPUT_FORMAT: ["Highlight matches", "List matches", "List capture groups", "List matches with capture groups"],
-    /**
-     * @constant
-     * @default
-     */
-    DISPLAY_TOTAL: false,
-
-    /**
-     * Regular expression operation.
-     *
-     * @param {string} input
-     * @param {Object[]} args
-     * @returns {html}
-     */
-    runRegex: function(input, args) {
-        let userRegex = args[1],
-            i = args[2],
-            m = args[3],
-            displayTotal = args[4],
-            outputFormat = args[5],
-            modifiers = "g";
-
-        if (i) modifiers += "i";
-        if (m) modifiers += "m";
-
-        if (userRegex && userRegex !== "^" && userRegex !== "$") {
-            try {
-                const regex = new RegExp(userRegex, modifiers);
-
-                switch (outputFormat) {
-                    case "Highlight matches":
-                        return StrUtils._regexHighlight(input, regex, displayTotal);
-                    case "List matches":
-                        return Utils.escapeHtml(StrUtils._regexList(input, regex, displayTotal, true, false));
-                    case "List capture groups":
-                        return Utils.escapeHtml(StrUtils._regexList(input, regex, displayTotal, false, true));
-                    case "List matches with capture groups":
-                        return Utils.escapeHtml(StrUtils._regexList(input, regex, displayTotal, true, true));
-                    default:
-                        return "Error: Invalid output format";
-                }
-            } catch (err) {
-                return "Invalid regex. Details: " + err.message;
-            }
-        } else {
-            return Utils.escapeHtml(input);
-        }
-    },
-
-
    /**
     * @constant
     * @default
@@ -187,68 +65,28 @@ const StrUtils = {
     * @constant
     * @default
     */
-    SEARCH_TYPE: ["Regex", "Extended (\\n, \\t, \\x...)", "Simple string"],
+    SPLIT_DELIM_OPTIONS: [
+        {name: "Comma", value: ","},
+        {name: "Space", value: " "},
+        {name: "Line feed", value: "\\n"},
+        {name: "CRLF", value: "\\r\\n"},
+        {name: "Semi-colon", value: ";"},
+        {name: "Colon", value: ":"},
+        {name: "Nothing (separate chars)", value: ""}
+    ],
    /**
     * @constant
     * @default
     */
-    FIND_REPLACE_GLOBAL: true,
-    /**
-     * @constant
-     * @default
-     */
-    FIND_REPLACE_CASE: false,
-    /**
-     * @constant
-     * @default
-     */
-    FIND_REPLACE_MULTILINE: true,
-
-    /**
-     * Find / Replace operation.
-     *
-     * @param {string} input
-     * @param {Object[]} args
-     * @returns {string}
-     */
-    runFindReplace: function(input, args) {
-        let find = args[0].string,
-            type = args[0].option,
-            replace = args[1],
-            g = args[2],
-            i = args[3],
-            m = args[4],
-            modifiers = "";
-
-        if (g) modifiers += "g";
-        if (i) modifiers += "i";
-        if (m) modifiers += "m";
-
-        if (type === "Regex") {
-            find = new RegExp(find, modifiers);
-            return input.replace(find, replace);
-        }
-
-        if (type.indexOf("Extended") === 0) {
-            find = Utils.parseEscapedChars(find);
-        }
-
-        find = new RegExp(Utils.escapeRegex(find), modifiers);
-
-        return input.replace(find, replace);
-    },
-
-
-    /**
-     * @constant
-     * @default
-     */
-    SPLIT_DELIM: ",",
-    /**
-     * @constant
-     * @default
-     */
-    DELIMITER_OPTIONS: ["Line feed", "CRLF", "Space", "Comma", "Semi-colon", "Colon", "Nothing (separate chars)"],
+    JOIN_DELIM_OPTIONS: [
+        {name: "Line feed", value: "\\n"},
+        {name: "CRLF", value: "\\r\\n"},
+        {name: "Space", value: " "},
+        {name: "Comma", value: ","},
+        {name: "Semi-colon", value: ";"},
+        {name: "Colon", value: ":"},
+        {name: "Nothing (join chars)", value: ""}
+    ],

    /**
     * Split operation.
@@ -258,14 +96,20 @@ const StrUtils = {
     * @returns {string}
     */
    runSplit: function(input, args) {
-        let splitDelim = args[0] || StrUtils.SPLIT_DELIM,
-            joinDelim = Utils.charRep[args[1]],
+        let splitDelim = args[0],
+            joinDelim = args[1],
            sections = input.split(splitDelim);

        return sections.join(joinDelim);
    },


+    /**
+     * @constant
+     * @default
+     */
+    DELIMITER_OPTIONS: ["Line feed", "CRLF", "Space", "Comma", "Semi-colon", "Colon", "Nothing (separate chars)"],
+
    /**
     * Filter operation.
     *
@@ -510,80 +354,71 @@ const StrUtils = {


    /**
-     * Adds HTML highlights to matches within a string.
-     *
-     * @private
-     * @param {string} input
-     * @param {RegExp} regex
-     * @param {boolean} displayTotal
-     * @returns {string}
+     * @constant
+     * @default
     */
-    _regexHighlight: function(input, regex, displayTotal) {
-        let output = "",
-            m,
-            hl = 1,
-            i = 0,
-            total = 0;
-
-        while ((m = regex.exec(input))) {
-            // Add up to match
-            output += Utils.escapeHtml(input.slice(i, m.index));
-
-            // Add match with highlighting
-            output += "<span class='hl"+hl+"'>" + Utils.escapeHtml(m[0]) + "</span>";
-
-            // Switch highlight
-            hl = hl === 1 ? 2 : 1;
-
-            i = regex.lastIndex;
-            total++;
-        }
-
-        // Add all after final match
-        output += Utils.escapeHtml(input.slice(i, input.length));
-
-        if (displayTotal)
-            output = "Total found: " + total + "\n\n" + output;
-
-        return output;
-    },
-
+    HAMMING_DELIM: "\\n\\n",
+    /**
+     * @constant
+     * @default
+     */
+    HAMMING_INPUT_TYPE: ["Raw string", "Hex"],
+    /**
+     * @constant
+     * @default
+     */
+    HAMMING_UNIT: ["Byte", "Bit"],

    /**
-     * Creates a string listing the matches within a string.
+     * Hamming Distance operation.
+     *
+     * @author GCHQ Contributor [2]
     *
-     * @private
     * @param {string} input
-     * @param {RegExp} regex
-     * @param {boolean} displayTotal
-     * @param {boolean} matches - Display full match
-     * @param {boolean} captureGroups - Display each of the capture groups separately
+     * @param {Object[]} args
     * @returns {string}
     */
-    _regexList: function(input, regex, displayTotal, matches, captureGroups) {
-        let output = "",
-            total = 0,
-            match;
+    runHamming: function(input, args) {
+        const delim = args[0],
+            byByte = args[1] === "Byte",
+            inputType = args[2],
+            samples = input.split(delim);

-        while ((match = regex.exec(input))) {
-            total++;
-            if (matches) {
-                output += match[0] + "\n";
-            }
-            if (captureGroups) {
-                for (let i = 1; i < match.length; i++) {
-                    if (matches) {
-                        output += "  Group " + i + ": ";
-                    }
-                    output += match[i] + "\n";
+        if (samples.length !== 2) {
+            return "Error: You can only calculae the edit distance between 2 strings. Please ensure exactly two inputs are provided, separated by the specified delimiter.";
+        }
+
+        if (samples[0].length !== samples[1].length) {
+            return "Error: Both inputs must be of the same length.";
+        }
+
+        if (inputType === "Hex") {
+            samples[0] = Utils.fromHex(samples[0]);
+            samples[1] = Utils.fromHex(samples[1]);
+        } else {
+            samples[0] = Utils.strToByteArray(samples[0]);
+            samples[1] = Utils.strToByteArray(samples[1]);
+        }
+
+        let dist = 0;
+
+        for (let i = 0; i < samples[0].length; i++) {
+            const lhs = samples[0][i],
+                rhs = samples[1][i];
+
+            if (byByte && lhs !== rhs) {
+                dist++;
+            } else if (!byByte) {
+                let xord = lhs ^ rhs;
+
+                while (xord) {
+                    dist++;
+                    xord &= xord - 1;
                }
            }
        }

-        if (displayTotal)
-            output = "Total found: " + total + "\n\n" + output;
-
-        return output;
+        return dist.toString();
    },
 };

--- a/src/core/operations/Tidy.js
+++ b/src/core/operations/Tidy.js
@@ -1,6 +1,3 @@
-import Utils from "../Utils.js";
-
-
 /**
 * Tidy operations.
 *
@@ -104,32 +101,39 @@ const Tidy = {
    /**
     * Drop bytes operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
-     * @returns {byteArray}
+     * @returns {ArrayBuffer}
     */
    runDropBytes: function(input, args) {
-        let start = args[0],
+        const start = args[0],
            length = args[1],
            applyToEachLine = args[2];

        if (start < 0 || length < 0)
            throw "Error: Invalid value";

-        if (!applyToEachLine)
-            return input.slice(0, start).concat(input.slice(start+length, input.length));
+        if (!applyToEachLine) {
+            const left = input.slice(0, start),
+                right = input.slice(start + length, input.byteLength);
+            let result = new Uint8Array(left.byteLength + right.byteLength);
+            result.set(new Uint8Array(left), 0);
+            result.set(new Uint8Array(right), left.byteLength);
+            return result.buffer;
+        }

        // Split input into lines
+        const data = new Uint8Array(input);
        let lines = [],
            line = [],
            i;

-        for (i = 0; i < input.length; i++) {
-            if (input[i] === 0x0a) {
+        for (i = 0; i < data.length; i++) {
+            if (data[i] === 0x0a) {
                lines.push(line);
                line = [];
            } else {
-                line.push(input[i]);
+                line.push(data[i]);
            }
        }
        lines.push(line);
@@ -139,7 +143,7 @@ const Tidy = {
            output = output.concat(lines[i].slice(0, start).concat(lines[i].slice(start+length, lines[i].length)));
            output.push(0x0a);
        }
-        return output.slice(0, output.length-1);
+        return new Uint8Array(output.slice(0, output.length-1)).buffer;
    },


@@ -157,12 +161,12 @@ const Tidy = {
    /**
     * Take bytes operation.
     *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
     * @param {Object[]} args
-     * @returns {byteArray}
+     * @returns {ArrayBuffer}
     */
    runTakeBytes: function(input, args) {
-        let start = args[0],
+        const start = args[0],
            length = args[1],
            applyToEachLine = args[2];

@@ -173,16 +177,17 @@ const Tidy = {
            return input.slice(start, start+length);

        // Split input into lines
+        const data = new Uint8Array(input);
        let lines = [],
-            line = [];
-        let i;
+            line = [],
+            i;

-        for (i = 0; i < input.length; i++) {
-            if (input[i] === 0x0a) {
+        for (i = 0; i < data.length; i++) {
+            if (data[i] === 0x0a) {
                lines.push(line);
                line = [];
            } else {
-                line.push(input[i]);
+                line.push(data[i]);
            }
        }
        lines.push(line);
@@ -192,7 +197,7 @@ const Tidy = {
            output = output.concat(lines[i].slice(start, start+length));
            output.push(0x0a);
        }
-        return output.slice(0, output.length-1);
+        return new Uint8Array(output.slice(0, output.length-1)).buffer;
    },


@@ -229,11 +234,11 @@ const Tidy = {

        if (position === "Start") {
            for (i = 0; i < lines.length; i++) {
-                output += Utils.padLeft(lines[i], lines[i].length+len, chr) + "\n";
+                output += lines[i].padStart(lines[i].length+len, chr) + "\n";
            }
        } else if (position === "End") {
            for (i = 0; i < lines.length; i++) {
-                output += Utils.padRight(lines[i], lines[i].length+len, chr) + "\n";
+                output += lines[i].padEnd(lines[i].length+len, chr) + "\n";
            }
        }

--- a/src/core/operations/URL.js
+++ b/src/core/operations/URL.js
@@ -1,5 +1,4 @@
 /* globals unescape */
-import Utils from "../Utils.js";
 import url from "url";


@@ -78,7 +77,7 @@ const URL_ = {

            output += "Arguments:\n";
            for (let key in uri.query) {
-                output += "\t" + Utils.padRight(key, padding);
+                output += "\t" + key.padEnd(padding, " ");
                if (uri.query[key].length) {
                    output += " = " + uri.query[key] + "\n";
                } else {
--- a/src/core/operations/Unicode.js
+++ b/src/core/operations/Unicode.js
@@ -27,7 +27,7 @@ const Unicode = {
     */
    runUnescape: function(input, args) {
        let prefix = Unicode._prefixToRegex[args[0]],
-            regex = new RegExp(prefix+"([a-f\\d]{4,6})", "ig"),
+            regex = new RegExp(prefix+"([a-f\\d]{4})", "ig"),
            output = "",
            m,
            i = 0;
--- a/src/core/operations/XKCD.js
+++ b/src/core/operations/XKCD.js
@@ -0,0 +1,26 @@
+/**
+ * XKCD operations.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ *
+ * @namespace
+ */
+const XKCD = {
+
+    /**
+     * XKCD Random Number operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {number}
+     */
+    runRandomNumber: function(input, args) {
+        return 4; // chosen by fair dice roll.
+                  // guaranteed to be random.
+    },
+
+};
+
+export default XKCD;
--- a/src/web/App.js
+++ b/src/web/App.js
@@ -49,9 +49,11 @@ App.prototype.setup = function() {
    this.manager.setup();
    this.resetLayout();
    this.setCompileMessage();
-    this.loadURIParams();

+    log.debug("App loaded");
    this.appLoaded = true;
+
+    this.loadURIParams();
    this.loaded();
 };

@@ -91,7 +93,7 @@ App.prototype.loaded = function() {
 * @param {boolean} [logToConsole=false]
 */
 App.prototype.handleError = function(err, logToConsole) {
-    if (logToConsole) console.error(err);
+    if (logToConsole) log.error(err);
    const msg = err.displayStr || err.toString();
    this.alert(msg, "danger", this.options.errorTimeout, !this.options.showErrors);
 };
@@ -129,6 +131,7 @@ App.prototype.autoBake = function() {
    if (this.autoBakePause) return false;

    if (this.autoBake_ && !this.baking) {
+        log.debug("Auto-baking");
        this.bake();
    } else {
        this.manager.controls.showStaleIndicator();
@@ -374,6 +377,7 @@ App.prototype.loadURIParams = function() {
        window.location.href.split("#")[1] ||
        window.location.hash;
    this.uriParams = Utils.parseURIParams(params);
+    this.autoBakePause = true;

    // Read in recipe from URI params
    if (this.uriParams.recipe) {
@@ -384,35 +388,29 @@ App.prototype.loadURIParams = function() {
    } else if (this.uriParams.op) {
        // If there's no recipe, look for single operations
        this.manager.recipe.clearRecipe();
-        try {
-            this.manager.recipe.addOperation(this.uriParams.op);
-        } catch (err) {
-            // If no exact match, search for nearest match and add that
-            const matchedOps = this.manager.ops.filterOperations(this.uriParams.op, false);
-            if (matchedOps.length) {
-                this.manager.recipe.addOperation(matchedOps[0].name);
-            }

-            // Populate search with the string
-            const search = document.getElementById("search");
-
-            search.value = this.uriParams.op;
-            search.dispatchEvent(new Event("search"));
+        // Search for nearest match and add it
+        const matchedOps = this.manager.ops.filterOperations(this.uriParams.op, false);
+        if (matchedOps.length) {
+            this.manager.recipe.addOperation(matchedOps[0].name);
        }
+
+        // Populate search with the string
+        const search = document.getElementById("search");
+
+        search.value = this.uriParams.op;
+        search.dispatchEvent(new Event("search"));
    }

    // Read in input data from URI params
    if (this.uriParams.input) {
-        this.autoBakePause = true;
        try {
            const inputData = Utils.fromBase64(this.uriParams.input);
            this.setInput(inputData);
-        } catch (err) {
-        } finally {
-            this.autoBakePause = false;
-        }
+        } catch (err) {}
    }

+    this.autoBakePause = false;
    this.autoBake();
 };

@@ -440,6 +438,7 @@ App.prototype.getRecipeConfig = function() {
 /**
 * Given a recipe configuration, sets the recipe to that configuration.
 *
+ * @fires Manager#statechange
 * @param {Object[]} recipeConfig - The recipe configuration
 */
 App.prototype.setRecipeConfig = function(recipeConfig) {
@@ -569,7 +568,7 @@ App.prototype.isLocalStorageAvailable = function() {
 App.prototype.alert = function(str, style, timeout, silent) {
    const time = new Date();

-    console.log("[" + time.toLocaleString() + "] " + str);
+    log.info("[" + time.toLocaleString() + "] " + str);
    if (silent) return;

    style = style || "danger";
--- a/src/web/ControlsWaiter.js
+++ b/src/web/ControlsWaiter.js
@@ -382,10 +382,13 @@ ControlsWaiter.prototype.supportButtonClick = function(e) {
    const saveLink = this.generateStateUrl(true, true, null, "https://gchq.github.io/CyberChef/");

    if (reportBugInfo) {
-        reportBugInfo.innerHTML = "* Version: " + PKG_VERSION + "\n" +
-            "* Compile time: " + COMPILE_TIME + "\n" +
-            "* User-Agent: \n" + navigator.userAgent + "\n" +
-            "* [Link to reproduce](" + saveLink + ")\n\n";
+        reportBugInfo.innerHTML = `* Version: ${PKG_VERSION + (typeof INLINE === "undefined" ? "" : "s")}
+* Compile time: ${COMPILE_TIME}
+* User-Agent: 
+${navigator.userAgent}
+* [Link to reproduce](${saveLink})
+
+`;
    }
 };

--- a/src/web/HTMLOperation.js
+++ b/src/web/HTMLOperation.js
@@ -110,6 +110,15 @@ HTMLOperation.prototype.highlightSearchString = function(searchStr, namePos, des
    }

    if (this.description && descPos >= 0) {
+        // Find HTML tag offsets
+        const re = /<[^>]+>/g;
+        let match;
+        while ((match = re.exec(this.description))) {
+            // If the search string occurs within an HTML tag, return without highlighting it.
+            if (descPos >= match.index && descPos <= (match.index + match[0].length))
+                return;
+        }
+
        this.description = this.description.slice(0, descPos) + "<b><u>" +
            this.description.slice(descPos, descPos + searchStr.length) + "</u></b>" +
            this.description.slice(descPos + searchStr.length);
--- a/src/web/HighlighterWaiter.js
+++ b/src/web/HighlighterWaiter.js
@@ -1,6 +1,3 @@
-import Utils from "../core/Utils.js";
-
-
 /**
 * Waiter to handle events related to highlighting in CyberChef.
 *
@@ -312,9 +309,9 @@ HighlighterWaiter.prototype.outputHtmlMousemove = function(e) {
 HighlighterWaiter.prototype.selectionInfo = function(start, end) {
    const len = end.toString().length;
    const width = len < 2 ? 2 : len;
-    const startStr = Utils.pad(start.toString(), width, " ").replace(/ /g, "&nbsp;");
-    const endStr   = Utils.pad(end.toString(), width, " ").replace(/ /g, "&nbsp;");
-    const lenStr   = Utils.pad((end-start).toString(), width, " ").replace(/ /g, "&nbsp;");
+    const startStr = start.toString().padStart(width, " ").replace(/ /g, "&nbsp;");
+    const endStr = end.toString().padStart(width, " ").replace(/ /g, "&nbsp;");
+    const lenStr = (end-start).toString().padStart(width, " ").replace(/ /g, "&nbsp;");

    return "start: " + startStr + "<br>end: " + endStr + "<br>length: " + lenStr;
 };
@@ -402,7 +399,7 @@ HighlighterWaiter.prototype.highlight = function(textarea, highlighter, pos) {

    // Check if there is a carriage return in the output dish as this will not
    // be displayed by the HTML textarea and will mess up highlighting offsets.
-    if (!this.app.dishStr || this.app.dishStr.indexOf("\r") >= 0) return false;
+    if (this.manager.output.containsCR()) return false;

    const startPlaceholder = "[startHighlight]";
    const startPlaceholderRegex = /\[startHighlight\]/g;
--- a/src/web/InputWaiter.js
+++ b/src/web/InputWaiter.js
@@ -1,3 +1,4 @@
+import LoaderWorker from "worker-loader?inline&fallback=false!./LoaderWorker.js";
 import Utils from "../core/Utils.js";


@@ -33,6 +34,9 @@ const InputWaiter = function(app, manager) {
        144, //Num
        145, //Scroll
    ];
+
+    this.loaderWorker = null;
+    this.fileBuffer = null;
 };


@@ -42,20 +46,53 @@ const InputWaiter = function(app, manager) {
 * @returns {string}
 */
 InputWaiter.prototype.get = function() {
-    return document.getElementById("input-text").value;
+    return this.fileBuffer || document.getElementById("input-text").value;
 };


 /**
- * Sets the input in the input textarea.
+ * Sets the input in the input area.
 *
- * @param {string} input
+ * @param {string|File} input
 *
 * @fires Manager#statechange
 */
 InputWaiter.prototype.set = function(input) {
-    document.getElementById("input-text").value = input;
-    window.dispatchEvent(this.manager.statechange);
+    const inputText = document.getElementById("input-text");
+    if (input instanceof File) {
+        this.setFile(input);
+        inputText.value = "";
+        this.setInputInfo(input.size, null);
+    } else {
+        inputText.value = input;
+        this.closeFile();
+        window.dispatchEvent(this.manager.statechange);
+        const lines = input.length < (this.app.options.ioDisplayThreshold * 1024) ?
+            input.count("\n") + 1 : null;
+        this.setInputInfo(input.length, lines);
+    }
+};
+
+
+/**
+ * Shows file details.
+ *
+ * @param {File} file
+ */
+InputWaiter.prototype.setFile = function(file) {
+    // Display file overlay in input area with details
+    const fileOverlay = document.getElementById("input-file"),
+        fileName = document.getElementById("input-file-name"),
+        fileSize = document.getElementById("input-file-size"),
+        fileType = document.getElementById("input-file-type"),
+        fileLoaded = document.getElementById("input-file-loaded");
+
+    this.fileBuffer = new ArrayBuffer();
+    fileOverlay.style.display = "block";
+    fileName.textContent = file.name;
+    fileSize.textContent = file.size.toLocaleString() + " bytes";
+    fileType.textContent = file.type || "unknown";
+    fileLoaded.textContent = "0%";
 };


@@ -69,22 +106,29 @@ InputWaiter.prototype.setInputInfo = function(length, lines) {
    let width = length.toString().length;
    width = width < 2 ? 2 : width;

-    const lengthStr = Utils.pad(length.toString(), width, " ").replace(/ /g, "&nbsp;");
-    const linesStr  = Utils.pad(lines.toString(), width, " ").replace(/ /g, "&nbsp;");
+    const lengthStr = length.toString().padStart(width, " ").replace(/ /g, "&nbsp;");
+    let msg = "length: " + lengthStr;

-    document.getElementById("input-info").innerHTML = "length: " + lengthStr + "<br>lines: " + linesStr;
+    if (typeof lines === "number") {
+        const linesStr = lines.toString().padStart(width, " ").replace(/ /g, "&nbsp;");
+        msg += "<br>lines: " + linesStr;
+    }
+
+    document.getElementById("input-info").innerHTML = msg;
 };


 /**
- * Handler for input scroll events.
- * Scrolls the highlighter pane to match the input textarea position and updates history state.
+ * Handler for input change events.
 *
 * @param {event} e
 *
 * @fires Manager#statechange
 */
 InputWaiter.prototype.inputChange = function(e) {
+    // Ignore this function if the input is a File
+    if (this.fileBuffer) return;
+
    // Remove highlighting from input and output panes as the offsets might be different now
    this.manager.highlighter.removeHighlights();

@@ -93,18 +137,47 @@ InputWaiter.prototype.inputChange = function(e) {

    // Update the input metadata info
    const inputText = this.get();
-    const lines = inputText.count("\n") + 1;
+    const lines = inputText.length < (this.app.options.ioDisplayThreshold * 1024) ?
+        inputText.count("\n") + 1 : null;

    this.setInputInfo(inputText.length, lines);

-
-    if (this.badKeys.indexOf(e.keyCode) < 0) {
+    if (e && this.badKeys.indexOf(e.keyCode) < 0) {
        // Fire the statechange event as the input has been modified
        window.dispatchEvent(this.manager.statechange);
    }
 };


+/**
+ * Handler for input paste events.
+ * Checks that the size of the input is below the display limit, otherwise treats it as a file/blob.
+ *
+ * @param {event} e
+ */
+InputWaiter.prototype.inputPaste = function(e) {
+    const pastedData = e.clipboardData.getData("Text");
+
+    if (pastedData.length < (this.app.options.ioDisplayThreshold * 1024)) {
+        this.inputChange(e);
+    } else {
+        e.preventDefault();
+        e.stopPropagation();
+
+        const file = new File([pastedData], "PastedData", {
+            type: "text/plain",
+            lastModified: Date.now()
+        });
+
+        this.loaderWorker = new LoaderWorker();
+        this.loaderWorker.addEventListener("message", this.handleLoaderMessage.bind(this));
+        this.loaderWorker.postMessage({"file": file});
+        this.set(file);
+        return false;
+    }
+};
+
+
 /**
 * Handler for input dragover events.
 * Gives the user a visual cue to show that items can be dropped here.
@@ -118,7 +191,7 @@ InputWaiter.prototype.inputDragover = function(e) {

    e.stopPropagation();
    e.preventDefault();
-    e.target.classList.add("dropping-file");
+    e.target.closest("#input-text,#input-file").classList.add("dropping-file");
 };


@@ -131,7 +204,8 @@ InputWaiter.prototype.inputDragover = function(e) {
 InputWaiter.prototype.inputDragleave = function(e) {
    e.stopPropagation();
    e.preventDefault();
-    e.target.classList.remove("dropping-file");
+    document.getElementById("input-text").classList.remove("dropping-file");
+    document.getElementById("input-file").classList.remove("dropping-file");
 };


@@ -149,55 +223,82 @@ InputWaiter.prototype.inputDrop = function(e) {
    e.stopPropagation();
    e.preventDefault();

-    const el = e.target;
    const file = e.dataTransfer.files[0];
    const text = e.dataTransfer.getData("Text");
-    const reader = new FileReader();
-    let inputCharcode = "";
-    let offset = 0;
-    const CHUNK_SIZE = 20480; // 20KB

-    const setInput = function() {
-        const recipeConfig = this.app.getRecipeConfig();
-        if (!recipeConfig[0] || recipeConfig[0].op !== "From Hex") {
-            recipeConfig.unshift({op: "From Hex", args: ["Space"]});
-            this.app.setRecipeConfig(recipeConfig);
-        }
+    document.getElementById("input-text").classList.remove("dropping-file");
+    document.getElementById("input-file").classList.remove("dropping-file");

-        this.set(inputCharcode);
-
-        el.classList.remove("loadingFile");
-    }.bind(this);
-
-    const seek = function() {
-        if (offset >= file.size) {
-            setInput();
-            return;
-        }
-        el.value = "Processing... " + Math.round(offset / file.size * 100) + "%";
-        const slice = file.slice(offset, offset + CHUNK_SIZE);
-        reader.readAsArrayBuffer(slice);
-    };
-
-    reader.onload = function(e) {
-        const data = new Uint8Array(reader.result);
-        inputCharcode += Utils.toHexFast(data);
-        offset += CHUNK_SIZE;
-        seek();
-    };
-
-
-    el.classList.remove("dropping-file");
+    if (text) {
+        this.closeFile();
+        this.set(text);
+        return;
+    }

    if (file) {
-        el.classList.add("loadingFile");
-        seek();
-    } else if (text) {
-        this.set(text);
+        this.closeFile();
+        this.loaderWorker = new LoaderWorker();
+        this.loaderWorker.addEventListener("message", this.handleLoaderMessage.bind(this));
+        this.loaderWorker.postMessage({"file": file});
+        this.set(file);
    }
 };


+/**
+ * Handler for messages sent back by the LoaderWorker.
+ *
+ * @param {MessageEvent} e
+ */
+InputWaiter.prototype.handleLoaderMessage = function(e) {
+    const r = e.data;
+    if (r.hasOwnProperty("progress")) {
+        const fileLoaded = document.getElementById("input-file-loaded");
+        fileLoaded.textContent = r.progress + "%";
+    }
+
+    if (r.hasOwnProperty("error")) {
+        this.app.alert(r.error, "danger", 10000);
+    }
+
+    if (r.hasOwnProperty("fileBuffer")) {
+        log.debug("Input file loaded");
+        this.fileBuffer = r.fileBuffer;
+        this.displayFilePreview();
+        window.dispatchEvent(this.manager.statechange);
+    }
+};
+
+
+/**
+ * Shows a chunk of the file in the input behind the file overlay.
+ */
+InputWaiter.prototype.displayFilePreview = function() {
+    const inputText = document.getElementById("input-text"),
+        fileSlice = this.fileBuffer.slice(0, 4096);
+
+    inputText.style.overflow = "hidden";
+    inputText.classList.add("blur");
+    inputText.value = Utils.printable(Utils.arrayBufferToStr(fileSlice));
+    if (this.fileBuffer.byteLength > 4096) {
+        inputText.value += "[truncated]...";
+    }
+};
+
+
+/**
+ * Handler for file close events.
+ */
+InputWaiter.prototype.closeFile = function() {
+    if (this.loaderWorker) this.loaderWorker.terminate();
+    this.fileBuffer = null;
+    document.getElementById("input-file").style.display = "none";
+    const inputText = document.getElementById("input-text");
+    inputText.style.overflow = "auto";
+    inputText.classList.remove("blur");
+};
+
+
 /**
 * Handler for clear IO events.
 * Resets the input, output and info areas.
@@ -205,6 +306,8 @@ InputWaiter.prototype.inputDrop = function(e) {
 * @fires Manager#statechange
 */
 InputWaiter.prototype.clearIoClick = function() {
+    this.closeFile();
+    this.manager.output.closeFile();
    this.manager.highlighter.removeHighlights();
    document.getElementById("input-text").value = "";
    document.getElementById("output-text").value = "";
--- a/src/web/LoaderWorker.js
+++ b/src/web/LoaderWorker.js
@@ -0,0 +1,54 @@
+/**
+ * Web Worker to load large amounts of data without locking up the UI.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2017
+ * @license Apache-2.0
+ */
+
+
+/**
+ * Respond to message from parent thread.
+ */
+self.addEventListener("message", function(e) {
+    const r = e.data;
+    if (r.hasOwnProperty("file")) {
+        self.loadFile(r.file);
+    }
+});
+
+
+/**
+ * Loads a file object into an ArrayBuffer, then transfers it back to the parent thread.
+ *
+ * @param {File} file
+ */
+self.loadFile = function(file) {
+    const reader = new FileReader();
+    let data = new Uint8Array(file.size);
+    let offset = 0;
+    const CHUNK_SIZE = 10485760; // 10MiB
+
+    const seek = function() {
+        if (offset >= file.size) {
+            self.postMessage({"progress": 100});
+            self.postMessage({"fileBuffer": data.buffer}, [data.buffer]);
+            return;
+        }
+        self.postMessage({"progress": Math.round(offset / file.size * 100)});
+        const slice = file.slice(offset, offset + CHUNK_SIZE);
+        reader.readAsArrayBuffer(slice);
+    };
+
+    reader.onload = function(e) {
+        data.set(new Uint8Array(reader.result), offset);
+        offset += CHUNK_SIZE;
+        seek();
+    };
+
+    reader.onerror = function(e) {
+        self.postMessage({"error": reader.error.message});
+    };
+
+    seek();
+};
--- a/src/web/Manager.js
+++ b/src/web/Manager.js
@@ -58,7 +58,7 @@ const Manager = function(app) {
    this.ops         = new OperationsWaiter(this.app, this);
    this.input       = new InputWaiter(this.app, this);
    this.output      = new OutputWaiter(this.app, this);
-    this.options     = new OptionsWaiter(this.app);
+    this.options     = new OptionsWaiter(this.app, this);
    this.highlighter = new HighlighterWaiter(this.app, this);
    this.seasonal    = new SeasonalWaiter(this.app, this);
    this.bindings    = new BindingsWaiter(this.app, this);
@@ -119,7 +119,7 @@ Manager.prototype.initialiseEventListeners = function() {
    this.addDynamicListener(".op-list .op-icon", "mouseover", this.ops.opIconMouseover, this.ops);
    this.addDynamicListener(".op-list .op-icon", "mouseleave", this.ops.opIconMouseleave, this.ops);
    this.addDynamicListener(".op-list", "oplistcreate", this.ops.opListCreate, this.ops);
-    this.addDynamicListener("li.operation", "operationadd", this.recipe.opAdd.bind(this.recipe));
+    this.addDynamicListener("li.operation", "operationadd", this.recipe.opAdd, this.recipe);

    // Recipe
    this.addDynamicListener(".arg:not(select)", "input", this.recipe.ingChange, this.recipe);
@@ -132,16 +132,18 @@ Manager.prototype.initialiseEventListeners = function() {
    this.addDynamicListener("#rec-list", "operationremove", this.recipe.opRemove.bind(this.recipe));

    // Input
-    this.addMultiEventListener("#input-text", "keyup paste", this.input.inputChange, this.input);
+    this.addMultiEventListener("#input-text", "keyup", this.input.inputChange, this.input);
+    this.addMultiEventListener("#input-text", "paste", this.input.inputPaste, this.input);
    document.getElementById("reset-layout").addEventListener("click", this.app.resetLayout.bind(this.app));
    document.getElementById("clr-io").addEventListener("click", this.input.clearIoClick.bind(this.input));
-    document.getElementById("input-text").addEventListener("dragover", this.input.inputDragover.bind(this.input));
-    document.getElementById("input-text").addEventListener("dragleave", this.input.inputDragleave.bind(this.input));
-    document.getElementById("input-text").addEventListener("drop", this.input.inputDrop.bind(this.input));
+    this.addListeners("#input-text,#input-file", "dragover", this.input.inputDragover, this.input);
+    this.addListeners("#input-text,#input-file", "dragleave", this.input.inputDragleave, this.input);
+    this.addListeners("#input-text,#input-file", "drop", this.input.inputDrop, this.input);
    document.getElementById("input-text").addEventListener("scroll", this.highlighter.inputScroll.bind(this.highlighter));
    document.getElementById("input-text").addEventListener("mouseup", this.highlighter.inputMouseup.bind(this.highlighter));
    document.getElementById("input-text").addEventListener("mousemove", this.highlighter.inputMousemove.bind(this.highlighter));
    this.addMultiEventListener("#input-text", "mousedown dblclick select",  this.highlighter.inputMousedown, this.highlighter);
+    document.querySelector("#input-file .close").addEventListener("click", this.input.clearIoClick.bind(this.input));

    // Output
    document.getElementById("save-to-file").addEventListener("click", this.output.saveClick.bind(this.output));
@@ -157,6 +159,9 @@ Manager.prototype.initialiseEventListeners = function() {
    this.addMultiEventListener("#output-text", "mousedown dblclick select",  this.highlighter.outputMousedown, this.highlighter);
    this.addMultiEventListener("#output-html", "mousedown dblclick select",  this.highlighter.outputHtmlMousedown, this.highlighter);
    this.addDynamicListener(".file-switch", "click", this.output.fileSwitch, this.output);
+    this.addDynamicListener("#output-file-download", "click", this.output.downloadFile, this.output);
+    this.addDynamicListener("#output-file-slice", "click", this.output.displayFileSlice, this.output);
+    document.getElementById("show-file-overlay").addEventListener("click", this.output.showFileOverlayClick.bind(this.output));

    // Options
    document.getElementById("options").addEventListener("click", this.options.optionsClick.bind(this.options));
@@ -168,6 +173,7 @@ Manager.prototype.initialiseEventListeners = function() {
    this.addDynamicListener(".option-item input[type=number]", "change", this.options.numberChange, this.options);
    this.addDynamicListener(".option-item select", "change", this.options.selectChange, this.options);
    document.getElementById("theme").addEventListener("change", this.options.themeChange.bind(this.options));
+    document.getElementById("logLevel").addEventListener("change", this.options.logLevelChange.bind(this.options));

    // Misc
    window.addEventListener("keydown", this.bindings.parseInput.bind(this.bindings));
--- a/src/web/OperationsWaiter.js
+++ b/src/web/OperationsWaiter.js
@@ -167,7 +167,8 @@ OperationsWaiter.prototype.opListCreate = function(e) {
 OperationsWaiter.prototype.enableOpsListPopovers = function(el) {
    $(el).find("[data-toggle=popover]").addBack("[data-toggle=popover]")
        .popover({trigger: "manual"})
-        .on("mouseenter", function() {
+        .on("mouseenter", function(e) {
+            if (e.buttons > 0) return; // Mouse button held down - likely dragging an opertion
            const _this = this;
            $(this).popover("show");
            $(".popover").on("mouseleave", function () {
@@ -178,7 +179,7 @@ OperationsWaiter.prototype.enableOpsListPopovers = function(el) {
            setTimeout(function() {
                // Determine if the popover associated with this element is being hovered over
                if ($(_this).data("bs.popover") &&
-                    !$(_this).data("bs.popover").$tip.is(":hover")) {
+                    ($(_this).data("bs.popover").$tip && !$(_this).data("bs.popover").$tip.is(":hover"))) {
                    $(_this).popover("hide");
                }
            }, 50);
--- a/src/web/OptionsWaiter.js
+++ b/src/web/OptionsWaiter.js
@@ -8,8 +8,9 @@
 * @constructor
 * @param {App} app - The main view object for CyberChef.
 */
-const OptionsWaiter = function(app) {
+const OptionsWaiter = function(app, manager) {
    this.app = app;
+    this.manager = manager;
 };


@@ -86,6 +87,7 @@ OptionsWaiter.prototype.switchChange = function(e, state) {
    const el = e.target;
    const option = el.getAttribute("option");

+    log.debug(`Setting ${option} to ${state}`);
    this.app.options[option] = state;

    if (this.app.isLocalStorageAvailable())
@@ -102,8 +104,10 @@ OptionsWaiter.prototype.switchChange = function(e, state) {
 OptionsWaiter.prototype.numberChange = function(e) {
    const el = e.target;
    const option = el.getAttribute("option");
+    const val = parseInt(el.value, 10);

-    this.app.options[option] = parseInt(el.value, 10);
+    log.debug(`Setting ${option} to ${val}`);
+    this.app.options[option] = val;

    if (this.app.isLocalStorageAvailable())
        localStorage.setItem("options", JSON.stringify(this.app.options));
@@ -120,6 +124,7 @@ OptionsWaiter.prototype.selectChange = function(e) {
    const el = e.target;
    const option = el.getAttribute("option");

+    log.debug(`Setting ${option} to ${el.value}`);
    this.app.options[option] = el.value;

    if (this.app.isLocalStorageAvailable())
@@ -149,6 +154,8 @@ OptionsWaiter.prototype.setWordWrap = function() {

 /**
 * Changes the theme by setting the class of the <html> element.
+ *
+ * @param {Event} e
 */
 OptionsWaiter.prototype.themeChange = function (e) {
    const themeClass = e.target.value;
@@ -156,4 +163,16 @@ OptionsWaiter.prototype.themeChange = function (e) {
    document.querySelector(":root").className = themeClass;
 };

+
+/**
+ * Changes the console logging level.
+ *
+ * @param {Event} e
+ */
+OptionsWaiter.prototype.logLevelChange = function (e) {
+    const level = e.target.value;
+    log.setLevel(level, false);
+    this.manager.worker.setLogLevel();
+};
+
 export default OptionsWaiter;
--- a/src/web/OutputWaiter.js
+++ b/src/web/OutputWaiter.js
@@ -1,4 +1,5 @@
 import Utils from "../core/Utils.js";
+import FileSaver from "file-saver";


 /**
@@ -15,6 +16,9 @@ import Utils from "../core/Utils.js";
 const OutputWaiter = function(app, manager) {
    this.app = app;
    this.manager = manager;
+
+    this.dishBuffer = null;
+    this.dishStr = null;
 };


@@ -31,47 +35,161 @@ OutputWaiter.prototype.get = function() {
 /**
 * Sets the output in the output textarea.
 *
- * @param {string} dataStr - The output string/HTML
+ * @param {string|ArrayBuffer} data - The output string/HTML/ArrayBuffer
 * @param {string} type - The data type of the output
 * @param {number} duration - The length of time (ms) it took to generate the output
+ * @param {boolean} [preserveBuffer=false] - Whether to preserve the dishBuffer
 */
-OutputWaiter.prototype.set = function(dataStr, type, duration) {
+OutputWaiter.prototype.set = function(data, type, duration, preserveBuffer) {
+    log.debug("Output type: " + type);
    const outputText = document.getElementById("output-text");
    const outputHtml = document.getElementById("output-html");
+    const outputFile = document.getElementById("output-file");
    const outputHighlighter = document.getElementById("output-highlighter");
    const inputHighlighter = document.getElementById("input-highlighter");
+    let scriptElements, lines, length;

-    if (type === "html") {
-        outputText.style.display = "none";
-        outputHtml.style.display = "block";
-        outputHighlighter.display = "none";
-        inputHighlighter.display = "none";
+    if (!preserveBuffer) {
+        this.closeFile();
+        document.getElementById("show-file-overlay").style.display = "none";
+    }

-        outputText.value = "";
-        outputHtml.innerHTML = dataStr;
+    switch (type) {
+        case "html":
+            outputText.style.display = "none";
+            outputHtml.style.display = "block";
+            outputFile.style.display = "none";
+            outputHighlighter.display = "none";
+            inputHighlighter.display = "none";

-        // Execute script sections
-        const scriptElements = outputHtml.querySelectorAll("script");
-        for (let i = 0; i < scriptElements.length; i++) {
-            try {
-                eval(scriptElements[i].innerHTML); // eslint-disable-line no-eval
-            } catch (err) {
-                console.error(err);
+            outputText.value = "";
+            outputHtml.innerHTML = data;
+            this.dishStr = Utils.unescapeHtml(Utils.stripHtmlTags(data, true));
+            length = data.length;
+            lines = this.dishStr.count("\n") + 1;
+
+            // Execute script sections
+            scriptElements = outputHtml.querySelectorAll("script");
+            for (let i = 0; i < scriptElements.length; i++) {
+                try {
+                    eval(scriptElements[i].innerHTML); // eslint-disable-line no-eval
+                } catch (err) {
+                    log.error(err);
+                }
            }
-        }
-    } else {
-        outputText.style.display = "block";
-        outputHtml.style.display = "none";
-        outputHighlighter.display = "block";
-        inputHighlighter.display = "block";
+            break;
+        case "ArrayBuffer":
+            outputText.style.display = "block";
+            outputHtml.style.display = "none";
+            outputHighlighter.display = "none";
+            inputHighlighter.display = "none";

-        outputText.value = Utils.printable(dataStr, true);
-        outputHtml.innerHTML = "";
+            outputText.value = "";
+            outputHtml.innerHTML = "";
+            this.dishStr = "";
+            length = data.byteLength;
+
+            this.setFile(data);
+            break;
+        case "string":
+        default:
+            outputText.style.display = "block";
+            outputHtml.style.display = "none";
+            outputFile.style.display = "none";
+            outputHighlighter.display = "block";
+            inputHighlighter.display = "block";
+
+            outputText.value = Utils.printable(data, true);
+            outputHtml.innerHTML = "";
+
+            lines = data.count("\n") + 1;
+            length = data.length;
+            this.dishStr = data;
+            break;
    }

    this.manager.highlighter.removeHighlights();
-    const lines = dataStr.count("\n") + 1;
-    this.setOutputInfo(dataStr.length, lines, duration);
+    this.setOutputInfo(length, lines, duration);
+};
+
+
+/**
+ * Shows file details.
+ *
+ * @param {ArrayBuffer} buf
+ */
+OutputWaiter.prototype.setFile = function(buf) {
+    this.dishBuffer = buf;
+    const file = new File([buf], "output.dat");
+
+    // Display file overlay in output area with details
+    const fileOverlay = document.getElementById("output-file"),
+        fileSize = document.getElementById("output-file-size");
+
+    fileOverlay.style.display = "block";
+    fileSize.textContent = file.size.toLocaleString() + " bytes";
+
+    // Display preview slice in the background
+    const outputText = document.getElementById("output-text"),
+        fileSlice = this.dishBuffer.slice(0, 4096);
+
+    outputText.classList.add("blur");
+    outputText.value = Utils.printable(Utils.arrayBufferToStr(fileSlice));
+};
+
+
+/**
+ * Removes the output file and nulls its memory.
+ */
+OutputWaiter.prototype.closeFile = function() {
+    this.dishBuffer = null;
+    document.getElementById("output-file").style.display = "none";
+    document.getElementById("output-text").classList.remove("blur");
+};
+
+
+/**
+ * Handler for file download events.
+ */
+OutputWaiter.prototype.downloadFile = function() {
+    this.filename = window.prompt("Please enter a filename:", this.filename || "download.dat");
+    const file = new File([this.dishBuffer], this.filename);
+
+    if (this.filename) FileSaver.saveAs(file, this.filename, false);
+};
+
+
+/**
+ * Handler for file slice display events.
+ */
+OutputWaiter.prototype.displayFileSlice = function() {
+    const startTime = new Date().getTime(),
+        showFileOverlay = document.getElementById("show-file-overlay"),
+        sliceFromEl = document.getElementById("output-file-slice-from"),
+        sliceToEl = document.getElementById("output-file-slice-to"),
+        sliceFrom = parseInt(sliceFromEl.value, 10),
+        sliceTo = parseInt(sliceToEl.value, 10),
+        str = Utils.arrayBufferToStr(this.dishBuffer.slice(sliceFrom, sliceTo));
+
+    document.getElementById("output-text").classList.remove("blur");
+    showFileOverlay.style.display = "block";
+    this.set(str, "string", new Date().getTime() - startTime, true);
+};
+
+
+/**
+ * Handler for show file overlay events.
+ *
+ * @param {Event} e
+ */
+OutputWaiter.prototype.showFileOverlayClick = function(e) {
+    const outputFile = document.getElementById("output-file"),
+        showFileOverlay = e.target;
+
+    document.getElementById("output-text").classList.add("blur");
+    outputFile.style.display = "block";
+    showFileOverlay.style.display = "none";
+    this.setOutputInfo(this.dishBuffer.byteLength, null, 0);
 };


@@ -86,13 +204,17 @@ OutputWaiter.prototype.setOutputInfo = function(length, lines, duration) {
    let width = length.toString().length;
    width = width < 4 ? 4 : width;

-    const lengthStr = Utils.pad(length.toString(), width, " ").replace(/ /g, "&nbsp;");
-    const linesStr  = Utils.pad(lines.toString(), width, " ").replace(/ /g, "&nbsp;");
-    const timeStr   = Utils.pad(duration.toString() + "ms", width, " ").replace(/ /g, "&nbsp;");
+    const lengthStr = length.toString().padStart(width, " ").replace(/ /g, "&nbsp;");
+    const timeStr = (duration.toString() + "ms").padStart(width, " ").replace(/ /g, "&nbsp;");

-    document.getElementById("output-info").innerHTML = "time: " + timeStr +
-        "<br>length: " + lengthStr +
-        "<br>lines: " + linesStr;
+    let msg = "time: " + timeStr + "<br>length: " + lengthStr;
+
+    if (typeof lines === "number") {
+        const linesStr = lines.toString().padStart(width, " ").replace(/ /g, "&nbsp;");
+        msg += "<br>lines: " + linesStr;
+    }
+
+    document.getElementById("output-info").innerHTML = msg;
    document.getElementById("input-selection-info").innerHTML = "";
    document.getElementById("output-selection-info").innerHTML = "";
 };
@@ -129,24 +251,13 @@ OutputWaiter.prototype.adjustWidth = function() {

 /**
 * Handler for save click events.
- * Saves the current output to a file, downloaded as a URL octet stream.
+ * Saves the current output to a file.
 */
 OutputWaiter.prototype.saveClick = function() {
-    const data = Utils.toBase64(this.app.dishStr);
-    const filename = window.prompt("Please enter a filename:", "download.dat");
-
-    if (filename) {
-        const el = document.createElement("a");
-        el.setAttribute("href", "data:application/octet-stream;base64;charset=utf-8," + data);
-        el.setAttribute("download", filename);
-
-        // Firefox requires that the element be added to the DOM before it can be clicked
-        el.style.display = "none";
-        document.body.appendChild(el);
-
-        el.click();
-        el.remove();
+    if (!this.dishBuffer) {
+        this.dishBuffer = new Uint8Array(Utils.strToCharcode(this.dishStr)).buffer;
    }
+    this.downloadFile();
 };


@@ -165,14 +276,14 @@ OutputWaiter.prototype.copyClick = function() {
    textarea.style.height = 0;
    textarea.style.border = "none";

-    textarea.value = this.app.dishStr;
+    textarea.value = this.dishStr;
    document.body.appendChild(textarea);

    // Select and copy the contents of this textarea
    let success = false;
    try {
        textarea.select();
-        success = document.execCommand("copy");
+        success = this.dishStr && document.execCommand("copy");
    } catch (err) {
        success = false;
    }
@@ -195,7 +306,17 @@ OutputWaiter.prototype.copyClick = function() {
 OutputWaiter.prototype.switchClick = function() {
    this.switchOrigData = this.manager.input.get();
    document.getElementById("undo-switch").disabled = false;
-    this.app.setInput(this.app.dishStr);
+    if (this.dishBuffer) {
+        this.manager.input.setFile(new File([this.dishBuffer], "output.dat"));
+        this.manager.input.handleLoaderMessage({
+            data: {
+                progress: 100,
+                fileBuffer: this.dishBuffer
+            }
+        });
+    } else {
+        this.app.setInput(this.dishStr);
+    }
 };


@@ -210,7 +331,7 @@ OutputWaiter.prototype.undoSwitchClick = function() {

 /**
 * Handler for file switch click events.
- * Moves a files data for items created via Utils.displayFilesAsHTML to the input.
+ * Moves a file's data for items created via Utils.displayFilesAsHTML to the input.
 */
 OutputWaiter.prototype.fileSwitch = function(e) {
    e.preventDefault();
@@ -282,4 +403,14 @@ OutputWaiter.prototype.setStatusMsg = function(msg) {
    el.textContent = msg;
 };

+
+/**
+ * Returns true if the output contains carriage returns
+ *
+ * @returns {boolean}
+ */
+OutputWaiter.prototype.containsCR = function() {
+    return this.dishStr.indexOf("\r") >= 0;
+};
+
 export default OutputWaiter;
--- a/src/web/RecipeWaiter.js
+++ b/src/web/RecipeWaiter.js
@@ -253,7 +253,7 @@ RecipeWaiter.prototype.breakpointClick = function(e) {
 */
 RecipeWaiter.prototype.operationDblclick = function(e) {
    e.target.remove();
-    window.dispatchEvent(this.manager.statechange);
+    this.opRemove(e);
 };


@@ -266,7 +266,7 @@ RecipeWaiter.prototype.operationDblclick = function(e) {
 */
 RecipeWaiter.prototype.operationChildDblclick = function(e) {
    e.target.parentNode.remove();
-    window.dispatchEvent(this.manager.statechange);
+    this.opRemove(e);
 };


@@ -421,6 +421,7 @@ RecipeWaiter.prototype.dropdownToggleClick = function(e) {
 * @param {event} e
 */
 RecipeWaiter.prototype.opAdd = function(e) {
+    log.debug(`'${e.target.querySelector(".arg-title").textContent}' added to recipe`);
    window.dispatchEvent(this.manager.statechange);
 };

@@ -433,6 +434,7 @@ RecipeWaiter.prototype.opAdd = function(e) {
 * @param {event} e
 */
 RecipeWaiter.prototype.opRemove = function(e) {
+    log.debug("Operation removed from recipe");
    window.dispatchEvent(this.manager.statechange);
 };

--- a/src/web/WorkerWaiter.js
+++ b/src/web/WorkerWaiter.js
@@ -1,4 +1,3 @@
-import Utils from "../core/Utils.js";
 import ChefWorker from "worker-loader?inline&fallback=false!../core/ChefWorker.js";

 /**
@@ -22,8 +21,10 @@ const WorkerWaiter = function(app, manager) {
 * Sets up the ChefWorker and associated listeners.
 */
 WorkerWaiter.prototype.registerChefWorker = function() {
+    log.debug("Registering new ChefWorker");
    this.chefWorker = new ChefWorker();
    this.chefWorker.addEventListener("message", this.handleChefMessage.bind(this));
+    this.setLogLevel();

    let docURL = document.location.href.split(/[#?]/)[0];
    const index = docURL.lastIndexOf("/");
@@ -41,8 +42,10 @@ WorkerWaiter.prototype.registerChefWorker = function() {
 */
 WorkerWaiter.prototype.handleChefMessage = function(e) {
    const r = e.data;
+    log.debug("Receiving '" + r.action + "' from ChefWorker");
+
    switch (r.action) {
-        case "bakeSuccess":
+        case "bakeComplete":
            this.bakingComplete(r.data);
            break;
        case "bakeError":
@@ -53,12 +56,14 @@ WorkerWaiter.prototype.handleChefMessage = function(e) {
            break;
        case "workerLoaded":
            this.app.workerLoaded = true;
+            log.debug("ChefWorker loaded");
            this.app.loaded();
            break;
        case "statusMessage":
            this.manager.output.setStatusMsg(r.data);
            break;
        case "optionUpdate":
+            log.debug(`Setting ${r.data.option} to ${r.data.value}`);
            this.app.options[r.data.option] = r.data.value;
            break;
        case "setRegisters":
@@ -68,7 +73,7 @@ WorkerWaiter.prototype.handleChefMessage = function(e) {
            this.manager.highlighter.displayHighlights(r.data.pos, r.data.direction);
            break;
        default:
-            console.error("Unrecognised message from ChefWorker", e);
+            log.error("Unrecognised message from ChefWorker", e);
            break;
    }
 };
@@ -111,10 +116,10 @@ WorkerWaiter.prototype.bakingComplete = function(response) {
        this.app.handleError(response.error);
    }

-    this.app.dishStr  = response.type === "html" ? Utils.stripHtmlTags(response.result, true) : response.result;
    this.app.progress = response.progress;
    this.manager.recipe.updateBreakpointIndicator(response.progress);
    this.manager.output.set(response.result, response.type, response.duration);
+    log.debug("--- Bake complete ---");
 };


@@ -147,7 +152,7 @@ WorkerWaiter.prototype.bake = function(input, recipeConfig, options, progress, s
 * Asks the ChefWorker to run a silent bake, forcing the browser to load and cache all the relevant
 * JavaScript code needed to do a real bake.
 *
- * @param {Objectp[]} [recipeConfig]
+ * @param {Object[]} [recipeConfig]
 */
 WorkerWaiter.prototype.silentBake = function(recipeConfig) {
    this.chefWorker.postMessage({
@@ -180,4 +185,19 @@ WorkerWaiter.prototype.highlight = function(recipeConfig, direction, pos) {
 };


+/**
+ * Sets the console log level in the worker.
+ *
+ * @param {string} level
+ */
+WorkerWaiter.prototype.setLogLevel = function(level) {
+    if (!this.chefWorker) return;
+
+    this.chefWorker.postMessage({
+        action: "setLogLevel",
+        data: log.getLevel()
+    });
+};
+
+
 export default WorkerWaiter;
--- a/src/web/html/index.html
+++ b/src/web/html/index.html
@@ -59,6 +59,9 @@
                "for i in range(additional): Pylon()",
                "(creating unresolved tension...",
                "Symlinking emacs and vim to ed...",
+                "Training branch predictor...",
+                "Timing cache hits...",
+                "Speculatively executing recipes..."
            ];

            // Shuffle array using Durstenfeld algorithm
@@ -84,7 +87,9 @@
            changeLoadingMsg();
            window.loadingMsgsInt = setInterval(changeLoadingMsg, (Math.random() * 2000) + 1500);
        </script>
-        <% if (!htmlWebpackPlugin.options.inline) { %>
+        <% if (htmlWebpackPlugin.options.inline) { %>
+            <meta name="robots" content="noindex" />
+        <% } else { %>
            <script type="application/ld+json">
                <% print(JSON.stringify(require("../static/structuredData.json"))); %>
            </script>
@@ -115,7 +120,7 @@
                    <span id="notice">
                        <script type="text/javascript">
                            // Must be text/javascript rather than application/javascript otherwise IE won't recognise it...
-                            if (navigator.userAgent && navigator.userAgent.match(/MSIE \d\d?\./)) {
+                            if (navigator.userAgent && navigator.userAgent.match(/Trident/)) {
                                document.write("Internet Explorer is not supported, please use Firefox or Chrome instead");
                                alert("Internet Explorer is not supported, please use Firefox or Chrome instead");
                            }
@@ -180,7 +185,22 @@
                        </div>
                        <div class="textarea-wrapper no-select">
                            <div id="input-highlighter" class="no-select"></div>
-                            <textarea id="input-text"></textarea>
+                            <textarea id="input-text" spellcheck="false"></textarea>
+                            <div id="input-file">
+                                <div class="file-overlay"></div>
+                                <div style="position: relative; height: 100%;">
+                                    <div class="card">
+                                        <img aria-hidden="true" src="<%- require('../static/images/file-128x128.png') %>" alt="File icon"/>
+                                        <div class="card-body">
+                                            <button type="button" class="close" id="input-file-close">&times;</button>
+                                            Name: <span id="input-file-name"></span><br>
+                                            Size: <span id="input-file-size"></span><br>
+                                            Type: <span id="input-file-type"></span><br>
+                                            Loaded: <span id="input-file-loaded"></span>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
                        </div>
                    </div>

@@ -201,7 +221,28 @@
                        <div class="textarea-wrapper">
                            <div id="output-highlighter" class="no-select"></div>
                            <div id="output-html"></div>
-                            <textarea id="output-text" readonly="readonly"></textarea>
+                            <textarea id="output-text" readonly="readonly" spellcheck="false"></textarea>
+                            <img id="show-file-overlay" aria-hidden="true" src="<%- require('../static/images/file-32x32.png') %>" alt="Show file overlay" title="Show file overlay"/>
+                            <div id="output-file">
+                                <div class="file-overlay"></div>
+                                <div style="position: relative; height: 100%;">
+                                    <div class="card">
+                                        <img aria-hidden="true" src="<%- require('../static/images/file-128x128.png') %>" alt="File icon"/>
+                                        <div class="card-body">
+                                            Size: <span id="output-file-size"></span><br>
+                                            <button id="output-file-download" type="button" class="btn btn-primary">Download</button>
+                                            <div class="input-group">
+                                                <span class="input-group-btn">
+                                                    <button id="output-file-slice" type="button" class="btn btn-default" title="View slice">&#x1f50d;</button>
+                                                </span>
+                                                <input type="number" class="form-control" id="output-file-slice-from" placeholder="From" value="0" step="1024" min="0">
+                                                <div class="input-group-addon">to</div>
+                                                <input type="number" class="form-control" id="output-file-slice-to" placeholder="To" value="2048" step="1024" min="0">
+                                            </div>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
                            <div id="output-loader">
                                <div class="loader"></div>
                                <div class="loading-msg"></div>
@@ -308,31 +349,46 @@
                        </div>
                        <div class="option-item">
                            <input type="checkbox" option="updateUrl" id="updateUrl" checked />
-                            <label for="updateUrl"> Update the URL when the input or recipe changes </label>
+                            <label for="updateUrl"> Update the URL when the input or recipe changes</label>
                        </div>
                        <div class="option-item">
                            <input type="checkbox" option="showHighlighter" id="showHighlighter" checked />
-                            <label for="showHighlighter"> Highlight selected bytes in output and input (when possible) </label>
+                            <label for="showHighlighter"> Highlight selected bytes in output and input (when possible)</label>
                        </div>
                        <div class="option-item">
                            <input type="checkbox" option="treatAsUtf8" id="treatAsUtf8" checked />
-                            <label for="treatAsUtf8"> Treat output as UTF-8 if possible </label>
+                            <label for="treatAsUtf8"> Treat output as UTF-8 if possible</label>
                        </div>
                        <div class="option-item">
                            <input type="checkbox" option="wordWrap" id="wordWrap" checked />
-                            <label for="wordWrap"> Word wrap the input and output </label>
+                            <label for="wordWrap"> Word wrap the input and output</label>
                        </div>
                        <div class="option-item">
                            <input type="checkbox" option="showErrors" id="showErrors" checked />
-                            <label for="showErrors"> Operation error reporting (recommended) </label>
+                            <label for="showErrors"> Operation error reporting (recommended)</label>
                        </div>
                        <div class="option-item">
                            <input type="checkbox" option="useMetaKey" id="useMetaKey" />
-                            <label for="useMetaKey"> Use meta key for keybindings (Windows ⊞/Command ⌘) </label>
+                            <label for="useMetaKey"> Use meta key for keybindings (Windows ⊞/Command ⌘)</label>
                        </div>
                        <div class="option-item">
                            <input type="number" option="errorTimeout" id="errorTimeout" />
-                            <label for="errorTimeout"> Operation error timeout in ms (0 for never) </label>
+                            <label for="errorTimeout"> Operation error timeout in ms (0 for never)</label>
+                        </div>
+                        <div class="option-item">
+                            <input type="number" option="ioDisplayThreshold" id="ioDisplayThreshold" />
+                            <label for="ioDisplayThreshold"> Size threshold for treating the input and output as a file (KiB)</label>
+                        </div>
+                        <div class="option-item">
+                            <select option="logLevel" id="logLevel">
+                                <option value="silent">Silent</option>
+                                <option value="error">Error</option>
+                                <option value="warn">Warn</option>
+                                <option value="info">Info</option>
+                                <option value="debug">Debug</option>
+                                <option value="trace">Trace</option>
+                            </select>
+                            <label for="logLevel"> Console logging level</label>
                        </div>
                    </div>
                    <div class="modal-footer">
@@ -438,8 +494,9 @@
                                        </a>
                                    </blockquote>
                                    <div class="collapse" id="faq-load-files">
-                                        <p>Yes! Just drag your file over the input box and drop it. The contents of the file will be converted into hexadecimal and the 'From Hex' operation will be added to the beginning of the recipe (if it's not already there). This is so that special characters like carriage returns aren't removed by your browser.</p>
-                                        <p>Please note that loading large files is likely to cause a crash. There's not a lot that can be done about this - browsers just aren't very good at handling and displaying large amounts of data.</p>
+                                        <p>Yes! Just drag your file over the input box and drop it.</p>
+                                        <p>CyberChef can handle files up to around 500MB (depending on your browser), however some of the operations may take a very long time to run over this much data.</p>
+                                        <p>If the output is larger than a certain threshold (default 1MiB), it will be presented to you as a file available for download. Slices of the file can be viewed in the output if you need to inspect them.</p>
                                    </div>
                                    <blockquote>
                                        <a data-toggle="collapse" data-target="#faq-fork">
@@ -482,7 +539,7 @@


                                    <br>
-                                    <p>There are around 150 useful operations in CyberChef for anyone working on anything vaguely Internet-related, whether you just want to convert a timestamp to a different format, decompress gzipped data, create a SHA3 hash, or parse an X.509 certificate to find out who issued it.</p>
+                                    <p>There are around 200 useful operations in CyberChef for anyone working on anything vaguely Internet-related, whether you just want to convert a timestamp to a different format, decompress gzipped data, create a SHA3 hash, or parse an X.509 certificate to find out who issued it.</p>
                                    <p>It’s the Cyber Swiss Army Knife.</p>
                                </div>
                                <div role="tabpanel" class="tab-pane" id="keybindings" style="padding: 20px;">
--- a/src/web/index.js
+++ b/src/web/index.js
@@ -38,15 +38,17 @@ function main() {
    ];

    const defaultOptions = {
-        updateUrl:         true,
-        showHighlighter:   true,
-        treatAsUtf8:       true,
-        wordWrap:          true,
-        showErrors:        true,
-        errorTimeout:      4000,
-        attemptHighlight:  true,
-        theme:             "classic",
-        useMetaKey:        false
+        updateUrl:           true,
+        showHighlighter:     true,
+        treatAsUtf8:         true,
+        wordWrap:            true,
+        showErrors:          true,
+        errorTimeout:        4000,
+        attemptHighlight:    true,
+        theme:               "classic",
+        useMetaKey:          false,
+        ioDisplayThreshold:  512,
+        logLevel:            "info"
    };

    document.removeEventListener("DOMContentLoaded", main, false);
@@ -54,9 +56,6 @@ function main() {
    window.app.setup();
 }

-// Fix issues with browsers that don't support console.log()
-window.console = console || {log: function() {}, error: function() {}};
-
 window.compileTime = moment.tz(COMPILE_TIME, "DD/MM/YYYY HH:mm:ss z", "UTC").valueOf();
 window.compileMessage = COMPILE_MSG;

--- a/src/web/static/images/file-128x128.png
+++ b/src/web/static/images/file-128x128.png
--- a/src/web/static/images/file-32x32.png
+++ b/src/web/static/images/file-32x32.png
--- a/src/web/static/sitemap.js
+++ b/src/web/static/sitemap.js
@@ -0,0 +1,33 @@
+import sm from "sitemap";
+import OperationConfig from "../../core/config/MetaConfig.js";
+
+
+/**
+ * Generates an XML sitemap for all CyberChef operations and a number of recipes.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+const sitemap = sm.createSitemap({
+    hostname: "https://gchq.github.io/CyberChef",
+});
+
+sitemap.add({
+    url: "/",
+    changefreq: "weekly",
+    priority: 1.0
+});
+
+for (let op in OperationConfig) {
+    sitemap.add({
+        url: `/?op=${encodeURIComponent(op)}`,
+        changeFreq: "yearly",
+        priority: 0.5
+    });
+}
+
+const xml = sitemap.toString();
+
+console.log(xml); // eslint-disable-line no-console
--- a/src/web/stylesheets/components/_pane.css
+++ b/src/web/stylesheets/components/_pane.css
@@ -28,3 +28,56 @@
    margin: 0;
    padding: 0;
 }
+
+.card {
+    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
+    transition: 0.3s;
+    width: 400px;
+    height: 150px;
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    font-family: var(--primary-font-family);
+    color: var(--primary-font-colour);
+    line-height: 30px;
+    background-color: var(--primary-background-colour);
+}
+
+.card:hover {
+    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);
+}
+
+.card>img {
+    float: left;
+    width: 128px;
+    height: 128px;
+    margin-left: 10px;
+    margin-top: 11px;
+}
+
+.card-body .close {
+    position: absolute;
+    right: 10px;
+    top: 10px;
+}
+
+.card-body {
+    float: left;
+    padding: 16px;
+    width: 250px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    user-select: text;
+}
+
+.card-body>.btn {
+    margin-bottom: 15px;
+    margin-top: 5px;
+}
+
+.card input[type=number] {
+    padding-right: 6px;
+    padding-left: 6px;
+}
--- a/src/web/stylesheets/index.js
+++ b/src/web/stylesheets/index.js
@@ -7,7 +7,7 @@
 */

 /* Libraries */
-import "google-code-prettify/src/prettify.css";
+import "highlight.js/styles/vs.css";

 /* Frameworks */
 import "./vendors/bootstrap.less";
--- a/src/web/stylesheets/layout/_io.css
+++ b/src/web/stylesheets/layout/_io.css
@@ -39,7 +39,7 @@
 }

 .textarea-wrapper textarea,
-.textarea-wrapper div {
+.textarea-wrapper>div {
    font-family: var(--fixed-width-font-family);
    font-size: var(--fixed-width-font-size);
    color: var(--fixed-width-font-colour);
@@ -77,6 +77,32 @@
    transition: all 0.5s ease;
 }

+#input-file,
+#output-file {
+    position: absolute;
+    left: 0;
+    top: 0;
+    width: 100%;
+    height: 100%;
+    display: none;
+}
+
+.file-overlay {
+    position: absolute;
+    opacity: 0.8;
+    background-color: var(--title-background-colour);
+    width: 100%;
+    height: 100%;
+}
+
+#show-file-overlay {
+    position: absolute;
+    right: 15px;
+    top: 15px;
+    cursor: pointer;
+    display: none;
+}
+
 .io-btn-group {
    float: right;
    margin-top: -4px;
@@ -92,6 +118,8 @@
    font-family: var(--fixed-width-font-family);
    font-weight: normal;
    font-size: 8pt;
+    display: flex;
+    align-items: center;
 }

 #input-info {
--- a/src/web/stylesheets/utils/_overrides.css
+++ b/src/web/stylesheets/utils/_overrides.css
@@ -64,7 +64,8 @@ a:focus {
 .alert,
 .modal-content,
 .tooltip-inner,
-.dropdown-menu {
+.dropdown-menu,
+.input-group-addon {
    border-radius: 0 !important;
 }

@@ -187,6 +188,15 @@ optgroup {
    color: var(--primary-font-colour);
 }

+.input-group-addon:not(:first-child):not(:last-child) {
+    border-left: 0;
+    border-right: 0;
+}
+
+.input-group-btn:first-child>.btn {
+    border-right: 0;
+}
+

 /* Bootstrap-switch */

--- a/test/index.js
+++ b/test/index.js
@@ -1,3 +1,5 @@
+/* eslint no-console: 0 */
+
 /**
 * TestRunner.js
 *
@@ -28,6 +30,7 @@ import "./tests/operations/MS.js";
 import "./tests/operations/PHP.js";
 import "./tests/operations/NetBIOS.js";
 import "./tests/operations/OTP.js";
+import "./tests/operations/Regex.js";
 import "./tests/operations/StrUtils.js";
 import "./tests/operations/SeqUtils.js";

--- a/test/tests/operations/Cipher.js
+++ b/test/tests/operations/Cipher.js
--- a/test/tests/operations/FlowControl.js
+++ b/test/tests/operations/FlowControl.js
@@ -37,7 +37,7 @@ TestRegister.addTests([
    },
    {
        name: "Fork, (expect) Error, Merge",
-        input: "1\n2\na\n4",
+        input: "1.1\n2.5\na\n3.4",
        expectedError: true,
        recipeConfig: [
            {
@@ -45,8 +45,8 @@ TestRegister.addTests([
                args: ["\n", "\n", false],
            },
            {
-                op: "To Base",
-                args: [16],
+                op: "Object Identifier to Hex",
+                args: [],
            },
            {
                op: "Merge",
--- a/test/tests/operations/Hash.js
+++ b/test/tests/operations/Hash.js
@@ -415,4 +415,264 @@ TestRegister.addTests([
            }
        ]
    },
+    {
+        name: "MD5: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "4f4f02e2646545aa8fc42f613c9aa068",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "MD5",
+                "args": []
+            }
+        ]
+    },
+    {
+        name: "SHA1: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "2c5400aaee7e8ad4cad29bfbdf8d566924e5442c",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA1",
+                "args": []
+            }
+        ]
+    },
+    {
+        name: "SHA2 224: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "66c166eba2529ecc44a7b7b218a64a8e3892f873c8d231e8e3c1ef3d",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA2",
+                "args": ["224"]
+            }
+        ]
+    },
+    {
+        name: "SHA2 256: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "186ffd22c3af83995afa4a0316023f81a7f8834fd16bd2ed358c7b1b8182ba41",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA2",
+                "args": ["256"]
+            }
+        ]
+    },
+    {
+        name: "SHA2 384: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "2a6369ffec550ea0bfb810b3b8246b7d6b7f060edfae88441f0f242b98b91549aa4ff407de38c6d03b5f377434ad2f36",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA2",
+                "args": ["384"]
+            }
+        ]
+    },
+    {
+        name: "SHA2 512: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "544ae686522c05b70d12b460b5b39ea0a758eb4027333edbded7e2b3f467aa605804f71f54db61a7bbe50e6e7898510635efd6721fd418a9ea4d05b286d12806",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA2",
+                "args": ["512"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 224: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "e2c07562ee8c2d73e3dd309efea257159abd0948ebc14619bab9ffb3",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA3",
+                "args": ["224"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 256: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "55a55275387586afd1ed64757c9ee7ad1d96ca81a5b7b742c40127856ee78a2d",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA3",
+                "args": ["256"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 384: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "39f8796dd697dc39e5a943817833793f2c29dc0d1adc7037854c0fb51e135c6bd26b113240c4fb1e3fcc16ff8690c91a",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA3",
+                "args": ["384"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 512: Complex bytes",
+        input: "10dc10e32010de10d010dc10d810d910d010e12e",
+        expectedOutput: "ee9061bed83b1ad1e2fc4a4bac72a5a65a23a0fa55193b808af0a3e2013b718a5a3e40474765b4f93d1b2747401058a5b58099cc890a159db92b2ea816287add",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["None"]
+            },
+            {
+                "op": "SHA3",
+                "args": ["512"]
+            }
+        ]
+    },
+    {
+        name: "MD5: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "2e93ee2b5b2a337ccb678c7db12eff1b",
+        recipeConfig: [
+            {
+                "op": "MD5",
+                "args": []
+            }
+        ]
+    },
+    {
+        name: "SHA1: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "87f483b1515dce672be044bf183ae8103e3b2d4b",
+        recipeConfig: [
+            {
+                "op": "SHA1",
+                "args": []
+            }
+        ]
+    },
+    {
+        name: "SHA2 224: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "563ca57b500157717961a5fa87ce42c6db76a488c98ea9c28d620770",
+        recipeConfig: [
+            {
+                "op": "SHA2",
+                "args": ["224"]
+            }
+        ]
+    },
+    {
+        name: "SHA2 256: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "36abbb4622ffff06aa3e3cea266765601b21457bb3755a0a2cf0a206422863c1",
+        recipeConfig: [
+            {
+                "op": "SHA2",
+                "args": ["256"]
+            }
+        ]
+    },
+    {
+        name: "SHA2 384: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "140b929391a66c9a943bcd60e6964f0d19526d3bc9ba020fbb29aae51cddb8e63a78784d8770f1d36335bf4efff8c131",
+        recipeConfig: [
+            {
+                "op": "SHA2",
+                "args": ["384"]
+            }
+        ]
+    },
+    {
+        name: "SHA2 512: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "04a7887c400bf647b7c67b9a0f1ada70d176348b5afdfebea184f7e62748849828669c7b5160be99455fdbf625589bd1689c003bc06ef60c39607d825a2f8838",
+        recipeConfig: [
+            {
+                "op": "SHA2",
+                "args": ["512"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 224: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "b3ffc9620949f879cb561fb240452494e2566cb4e4f701a85715e14f",
+        recipeConfig: [
+            {
+                "op": "SHA3",
+                "args": ["224"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 256: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "b5f247d725b46546c832502cd07bccb5d4de0c41a6665d3944ed2cc55cd9d156",
+        recipeConfig: [
+            {
+                "op": "SHA3",
+                "args": ["256"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 384: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "93e87b9aa8c9c47eba146adac357c525b418b71677f6db01d1c760d87b058682e639c8d43a8bfe91529cecd9800700e3",
+        recipeConfig: [
+            {
+                "op": "SHA3",
+                "args": ["384"]
+            }
+        ]
+    },
+    {
+        name: "SHA3 512: UTF-8",
+        input: "ნუ პანიკას",
+        expectedOutput: "1fbc484b5184982561795162757717474eebc846ca9f10029a75a54cdd897a7b48d1db42f2478fa1d5d213a0dd7de71c809cb19c60581ba57e7289d29408fb36",
+        recipeConfig: [
+            {
+                "op": "SHA3",
+                "args": ["512"]
+            }
+        ]
+    },
 ]);
--- a/test/tests/operations/Regex.js
+++ b/test/tests/operations/Regex.js
@@ -0,0 +1,59 @@
+/**
+ * StrUtils tests.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2017
+ * @license Apache-2.0
+ */
+import TestRegister from "../../TestRegister.js";
+
+TestRegister.addTests([
+    {
+        name: "Regex: non-HTML op",
+        input: "/<>",
+        expectedOutput: "/<>",
+        recipeConfig: [
+            {
+                "op": "Regular expression",
+                "args": ["User defined", "", true, true, false, false, false, false, "Highlight matches"]
+            },
+            {
+                "op": "Remove whitespace",
+                "args": [true, true, true, true, true, false]
+            }
+        ],
+    },
+    {
+        name: "Regex: Dot matches all",
+        input: "Hello\nWorld",
+        expectedOutput: "Hello\nWorld",
+        recipeConfig: [
+            {
+                "op": "Regular expression",
+                "args": ["User defined", ".+", true, true, true, false, false, false, "List matches"]
+            }
+        ],
+    },
+    {
+        name: "Regex: Astral off",
+        input: "𝌆😆",
+        expectedOutput: "",
+        recipeConfig: [
+            {
+                "op": "Regular expression",
+                "args": ["User defined", "\\pS", true, true, false, false, false, false, "List matches"]
+            }
+        ],
+    },
+    {
+        name: "Regex: Astral on",
+        input: "𝌆😆",
+        expectedOutput: "𝌆\n😆",
+        recipeConfig: [
+            {
+                "op": "Regular expression",
+                "args": ["User defined", "\\pS", true, true, false, false, true, false, "List matches"]
+            }
+        ],
+    }
+]);
--- a/test/tests/operations/StrUtils.js
+++ b/test/tests/operations/StrUtils.js
@@ -8,21 +8,6 @@
 import TestRegister from "../../TestRegister.js";

 TestRegister.addTests([
-    {
-        name: "Regex, non-HTML op",
-        input: "/<>",
-        expectedOutput: "/<>",
-        recipeConfig: [
-            {
-                "op": "Regular expression",
-                "args": ["User defined", "", true, true, false, "Highlight matches"]
-            },
-            {
-                "op": "Remove whitespace",
-                "args": [true, true, true, true, true, false]
-            }
-        ],
-    },
    {
        name: "Diff, basic usage",
        input: "testing23\n\ntesting123",
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -35,7 +35,8 @@ module.exports = {
        new webpack.ProvidePlugin({
            $: "jquery",
            jQuery: "jquery",
-            moment: "moment-timezone"
+            moment: "moment-timezone",
+            log: "loglevel"
        }),
        new webpack.BannerPlugin({
            banner: banner,
@@ -108,9 +109,13 @@ module.exports = {
        children: false,
        chunks: false,
        modules: false,
+        entrypoints: false,
        warningsFilter: /source-map/,
    },
    node: {
        fs: "empty"
+    },
+    performance: {
+        hints: false
    }
 };
Author	SHA1	Message	Date
n1474335	209a5b7274	7.8.0	2018-03-04 18:45:23 +00:00
n1474335	e962c9594b	Merge branch 'feature-fuzzy-hashes'	2018-03-04 18:45:15 +00:00
n1474335	242bad09ea	Added SSDEEP and CTPH operations	2018-03-04 18:41:41 +00:00
n1474335	8dd223f1cb	7.7.8	2018-03-04 17:51:39 +00:00
n1474335	d15662dea4	Merge branch 'bug-hashes'	2018-03-04 17:49:36 +00:00
n1474335	f47a408755	Fix for UTF-8/binary handling in hashing operations. Added tests to prevent future breakages. Closes #249 .	2018-03-04 17:39:53 +00:00
n1474335	8360c9e9f9	Fixed noindex meta tag for standalone version	2018-03-02 11:15:37 +00:00
n1474335	328142dac7	Added 's' to the standalone version string	2018-03-01 20:32:09 +00:00
n1474335	372b2378a8	7.7.7	2018-03-01 19:45:47 +00:00
n1474335	574207c626	Updated many dependencies including Webpack (v4) and crypto-api (v0.8)	2018-03-01 19:45:34 +00:00
n1474335	ead64dcb47	7.7.6	2018-02-28 16:40:22 +00:00
n1474335	da473de9f0	Switched from uas_parser.js to ua-parser-js library to improve library management and remove ReDos vulnerabilities. Also improved performance of two native regexes. Thanks to James Davis for raising awareness.	2018-02-28 16:40:15 +00:00
n1474335	a177e2ab7e	7.7.5	2018-02-21 11:24:46 +00:00
n1474335	8cef6db482	Added IPv6 interface IDs to the 'Format MAC address' operation	2018-02-21 11:24:38 +00:00
n1474335	79a3128491	Changed fragment to query in sitemap	2018-02-20 17:39:46 +00:00
n1474335	cb1fe80214	Added robots meta tag to inline version to prevent indexing.	2018-02-20 17:34:19 +00:00
n1474335	19f2e6dae0	Fixed robots.txt copy	2018-02-20 17:15:06 +00:00
n1474335	74394a773d	Fixed URL in sitemap	2018-02-20 17:09:02 +00:00
n1474335	d491e95d1c	7.7.4	2018-02-20 17:04:47 +00:00
n1474335	881523ce54	Merge branch 'sitemap'	2018-02-20 17:04:34 +00:00
n1474335	502a9fbb92	Added dynamically generated sitemap and robots.txt file to prevent crawling of inline version	2018-02-20 16:52:27 +00:00
n1474335	cc44fe6557	7.7.3	2018-02-16 13:33:41 +00:00
n1474335	5b1ac3de18	Reduced byte length in 'Unescape Unicode Characters'	2018-02-16 13:33:33 +00:00
n1474335	5a2a649d8e	7.7.2	2018-02-15 13:41:17 +00:00
n1474335	1aef193b40	Fixed file loading error message	2018-02-15 13:41:13 +00:00
n1474335	750fa45c04	7.7.1	2018-02-14 10:34:14 +00:00
n1474335	50f2819699	OR now calls the correct function instead of duplicating XOR. Closes #243 .	2018-02-14 10:34:08 +00:00
n1474335	ab55b91da1	7.7.0	2018-02-13 15:51:45 +00:00
n1474335	59f7774964	Merge branch 'feature-xkcd-rand'	2018-02-13 15:51:02 +00:00
n1474335	b5eb44af9f	When highlighting operation descriptions in search results, HTML tags are now ignored.	2018-02-13 15:43:55 +00:00
n1474335	8518fa67f2	Added 'XKCD Random Number' operation	2018-02-13 15:05:55 +00:00
n1474335	f6b68f9880	Increased file overlay slice to 4096 for larger screen support	2018-02-12 13:57:01 +00:00
n1474335	f6b2783f8b	File overlays now show a blurred representation of the file in the background.	2018-02-09 16:26:39 +00:00
n1474335	078849041f	7.6.3	2018-01-26 19:14:15 +00:00
n1474335	1c711f5e03	Updated dependencies	2018-01-26 19:14:05 +00:00
n1474335	614af0602a	7.6.2	2018-01-25 18:41:53 +00:00
n1474335	e55cfe0bc1	Fixed 'Syntax highlighter' operation. Using highlight.js instead of google-code-prettify.	2018-01-25 18:41:47 +00:00
n1474335	2b703b2b9b	HTML outputs are now unescaped correctly when converted to a string	2018-01-25 16:25:19 +00:00
n1474335	170feaaff2	7.6.1	2018-01-25 14:03:19 +00:00
n1474335	870c2b6d8b	Fixed deep copy bug with Fork/Register ingredient values.	2018-01-25 14:03:13 +00:00
n1474335	eee8b7db56	Fixed dispatchEvent call in recipe loading chain.	2018-01-25 13:46:06 +00:00
n1474335	3c669a075e	7.6.0	2018-01-25 13:45:05 +00:00
n1474335	f528930ad2	Added 'Sleep' operation.	2018-01-25 13:44:39 +00:00
n1474335	231322eddf	7.5.6	2018-01-24 16:54:42 +00:00
n1474335	8e6763c165	'Register' and 'Fork' now play well together.	2018-01-24 16:54:37 +00:00
n1474335	f091918575	7.5.5	2018-01-24 15:50:10 +00:00
n1474335	bb077c87b3	'Extract file paths' operation now handles 8.3 windows file paths correctly.	2018-01-24 15:50:05 +00:00
n1474335	fe8f8bc712	Setting a text value in the input now closes any open files.	2018-01-22 19:58:21 +00:00
n1474335	abe87830cd	Operation tooltips now disappear if you hover over them while dragging an opertion.	2018-01-22 17:51:04 +00:00
n1474335	7490651a06	7.5.4	2018-01-22 17:10:02 +00:00
n1474335	6220128a74	Fixed delimiter options in StrUtils. Closes #238 .	2018-01-22 17:09:58 +00:00
n1474335	ec205f4f7d	7.5.3	2018-01-18 19:53:01 +00:00
n1474335	512487328d	Fixed bugs in pretty recipe format generation	2018-01-18 18:35:17 +00:00
n1474335	6fbb2f26d1	7.5.2	2018-01-18 15:27:26 +00:00
n1474335	c91bfeaa81	Merge branch 'qistoph-SplitAndJoin'	2018-01-18 15:26:34 +00:00
n1474335	aa2b3b2843	Changed order of split delimiters, placing comma first.	2018-01-18 15:26:09 +00:00
Chris van Marle	90d8be48d4	Make Split more flexible so it can be used to join	2018-01-17 15:52:25 +01:00
n1474335	aa6890432c	7.5.1	2018-01-12 23:59:03 +00:00
n1474335	192d0ed8a6	Merge branch 'feature-unicode-strings'	2018-01-12 23:57:20 +00:00
n1474335	fff188eb30	Merged master into feature-unicode-strings	2018-01-12 23:57:02 +00:00
n1474335	71067939e3	Added Regex tests and updated description	2018-01-12 23:51:51 +00:00
n1474335	b07c014b48	Added more modifiers to the Regex operation	2018-01-12 23:42:48 +00:00
n1474335	f2c073798b	'Strings' now supports various different match types in ASCII and Unicode	2018-01-12 23:09:27 +00:00
n1474335	4cc38db895	Added documentation.	2018-01-12 22:14:06 +00:00
n1474335	2762319dbb	7.5.0	2018-01-12 18:29:10 +00:00
n1474335	8e5d43dfa8	Merge branch 'feature-hamming'	2018-01-12 18:28:55 +00:00
n1474335	82ad8cc444	BigNumber Dish types are now converted to fixed notation instead of exponential when translated between types	2018-01-12 18:28:40 +00:00
n1474335	1d6bf39548	Added 'Hamming Distance' operation.	2018-01-12 18:17:28 +00:00
n1474335	ec02b7deda	Regexes are now checked for 0-length matches and incremented manually to avoid infinite loops	2018-01-10 19:44:25 +00:00
n1474335	fa938f832f	Fixed IE 11 detection so that support message is correctly shown.	2018-01-10 18:38:17 +00:00
n1474335	6f59d9217c	Changed 'Number' option to 'Integer' in PRNG op	2018-01-06 17:01:01 +00:00
n1474335	7176e5ca6e	7.4.0	2018-01-06 16:34:06 +00:00
n1474335	429829471f	Merge branch 'feature-paste-performance'	2018-01-06 16:33:12 +00:00
n1474335	4760e539b7	PRNG operation now supports BigNumbers as output	2018-01-06 16:30:17 +00:00
n1474335	f53e7ad617	Chef now defaults to treat as UTF8 if option is not set	2018-01-06 16:21:42 +00:00
n1474335	28c83fa921	Dish translation now obeys UTF8 rules	2018-01-06 16:02:50 +00:00
n1474335	4588cd151c	Data pasted into the input is treat as a file if it's over the IO threshold	2018-01-06 15:29:58 +00:00
n1474335	2d9f87abef	Added more loading messages	2018-01-05 20:26:51 +00:00
n1474335	491e6f5f5f	7.3.0	2018-01-05 18:50:48 +00:00
n1474335	ab7c05284d	Merge branch 'artemisbot-features/big-number'	2018-01-05 18:50:13 +00:00
n1474335	0586fa0e01	Fixed failing Fork test that required an error.	2018-01-05 18:49:51 +00:00
n1474335	53eba2337c	BCD operations now support BigNumbers	2018-01-05 18:38:23 +00:00
n1474335	283d3e1e7b	Blank BigNumber dishes are now treat as NaN instead of erroring	2018-01-05 18:20:06 +00:00
n1474335	7992a540ae	Conversion operations now support BigNumbers	2018-01-05 18:14:03 +00:00
n1474335	3f3e7a78eb	Arithmetic operations now support BigNumbers	2018-01-05 18:04:55 +00:00
n1474335	8d3d39acd3	Merge branch 'features/big-number' of https://github.com/artemisbot/CyberChef into artemisbot-features/big-number	2018-01-05 17:31:27 +00:00
n1474335	7b20aba2ff	Improved descriptions for 'Unescape string' and 'Escape string' operations	2018-01-04 18:32:03 +00:00
n1474335	bbfb732d8f	7.2.3	2018-01-04 17:48:08 +00:00
n1474335	566adbcda5	'Unescape string' operation now works with capitalised hex	2018-01-04 17:48:01 +00:00
n1474335	1bff490fa4	7.2.2	2018-01-04 14:43:54 +00:00
n1474335	d38375a08c	Improved error handling for file uploads	2018-01-04 14:43:49 +00:00
n1474335	56551712d6	Began implementing UTF-16 support in the 'Strings' operation.	2018-01-03 16:51:10 +00:00
Matt C	c241d2f90b	Adds basic BigNumber type support Fixes `To Base` & `From Base` issues as reported on twitter	2018-01-03 11:26:31 +00:00
n1474335	0ba28dc891	Updated README.md	2018-01-02 16:02:46 +00:00
n1474335	ac9af6d2ba	7.2.1	2018-01-02 15:33:08 +00:00
n1474335	90d9e087f7	'Take bytes' and 'Drop bytes' operations now support ArrayBuffers	2018-01-02 15:33:02 +00:00
n1474335	50b24d9a56	Fixed no-trailing-space lint	2018-01-02 14:46:35 +00:00
n1474335	10f42e9a7f	7.2.0	2018-01-02 00:13:34 +00:00
n1474335	987bd303a0	Merge branch 'forge'	2018-01-02 00:13:20 +00:00
n1474335	a3f58fb831	Added 'Pseudo-Random Number Generator' operation.	2018-01-01 20:50:01 +00:00
n1474335	f52f5a0edb	Added 'RC2 Encrypt' and 'RC2 Decrypt' operations.	2018-01-01 19:50:06 +00:00
n1474335	b58942f69a	Rewrote PBKDF2 operation to use Forge instead of CryptoJS and improved the API for both PBKDF2 and EVP operations.	2018-01-01 18:49:22 +00:00
n1474335	68e52d1645	Removed CryptoJS encodings from Blowfish operations.	2018-01-01 17:54:45 +00:00
n1474335	9fc7e6cd98	Rewrote AES, DES and Triple DES operations to use Forge instead of CryptoJS, simplifying their options and adding many tests. Removed Rabbit operations. Fixes #63 and #210 .	2018-01-01 16:09:58 +00:00
n1474335	87f346d88c	7.1.0	2017-12-29 17:48:22 +00:00
n1474335	e423ff2639	Merge branch 'feature-logging'	2017-12-29 17:48:14 +00:00
n1474335	fa6905ef00	Added more comprehensive logging to FlowControl ops and added '>' prefix to all ChefWorker logs to improve clarity	2017-12-29 17:32:23 +00:00
n1474335	8684bc0158	Removed duplicate logging message	2017-12-28 18:33:59 +00:00
n1474335	a96eb450de	Improved Recipe logging	2017-12-28 18:24:29 +00:00
n1474335	d079420d46	Added logging with configurable levels to make debugging easier.	2017-12-28 18:17:38 +00:00
n1474335	124ff83206	7.0.0	2017-12-28 16:10:39 +00:00
n1474335	2c9e67ad1d	Merge branch 'feature-files'	2017-12-28 16:09:11 +00:00
n1474335	75a554e215	'To Base64' and 'To Hexdump' operations now support ArrayBuffers	2017-12-28 15:59:58 +00:00
n1474335	849d41ee56	Removed padLeft and padRight in favour of String.prototype.padStart and padEnd. 'To Hex' now supports ArrayBuffers.	2017-12-28 14:38:57 +00:00
n1474335	e18ec5f2b2	Changed inputType to ArrayBuffer for 'Frequency distribution', 'Chi Square' and 'Extract EXIF' operations.	2017-12-28 00:24:16 +00:00
n1474335	50e4daeaf2	Output info tidied up for file outputs	2017-12-27 23:05:32 +00:00
n1474335	f7f07f2cb5	Loading a new file only causes a statechange event once the whole file has loaded	2017-12-27 15:52:38 +00:00
n1474335	e2161ec934	Resolved conflicts	2017-12-27 12:50:29 +00:00
n1474335	1e4d2ba90d	Updated documentation for file support	2017-12-27 12:45:22 +00:00
n1474335	caf794b01d	Threshold for treating output as a file is now configurable	2017-12-27 12:29:10 +00:00
n1474335	e81122739b	Files can now be moved from the output to the input	2017-12-27 02:26:24 +00:00
n1474335	a0aa363203	Download filenames now persist	2017-12-27 02:01:17 +00:00
n1474335	bad0816115	Output files can be viewed in slices	2017-12-27 01:52:41 +00:00
n1474335	53a3f3d452	Changed inputType for file magic byte operations to ArrayBuffer	2017-12-26 22:05:10 +00:00
n1474335	ff94172b3c	Output files can now be downloaded using FileSaver (supports large files ~500MB)	2017-12-26 01:32:51 +00:00
n1474335	af71ca6a25	Output over 1MiB is passed back as an ArrayBuffer and an output file card is displayed.	2017-12-26 00:44:40 +00:00
n1474335	0e7989111f	Removed CryptoJS from Utils.js. UTF8 conversion is now achieved with the much smaller and actively maintained utf8 library.	2017-12-25 23:11:52 +00:00
n1474335	4e00ac9300	Files are now uploaded in a worker and not displayed in the input by default. Added ArrayBuffer Dish type.	2017-12-18 20:39:55 +00:00