diff --git a/package-lock.json b/package-lock.json
index 5f37db06ba6..bbe75e6d223 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -178,6 +178,15 @@
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@@ -440,6 +461,79 @@
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@@ -680,6 +832,37 @@
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@@ -711,6 +894,12 @@
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@@ -766,6 +955,12 @@
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@@ -784,6 +979,47 @@
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@@ -947,6 +1228,15 @@
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@@ -990,6 +1280,17 @@
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@@ -5230,6 +7257,12 @@
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+      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
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+        "get-value": "2.0.6",
+        "is-extendable": "0.1.1",
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+          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
+          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
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+      "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-1.0.0.tgz",
+      "integrity": "sha1-nhBXzKhRq7kzmPizOuGHuZyuwRo=",
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+          "requires": {
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+        "chalk": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.0.tgz",
+          "integrity": "sha512-Wr/w0f4o9LuE7K53cD0qmbAMM+2XNLzR29vFn5hqko4sxGlUsyy363NvmyGIyk5tpe9cjTr9SJYbysEyPkRnFw==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "3.2.1",
+            "escape-string-regexp": "1.0.5",
+            "supports-color": "5.4.0"
+          }
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "3.0.0"
+          }
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+      }
+    },
+    "urix": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
+      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
+      "dev": true
+    },
     "url": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
@@ -5668,6 +7962,32 @@
         }
       }
     },
+    "url-parse-lax": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz",
+      "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
+      "dev": true,
+      "requires": {
+        "prepend-http": "1.0.4"
+      }
+    },
+    "use": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.0.tgz",
+      "integrity": "sha512-6UJEQM/L+mzC3ZJNM56Q4DFGLX/evKGRg15UJHGB9X5j5Z3AFbgZvjUh2yq/UJUY4U5dh7Fal++XbNg1uzpRAw==",
+      "dev": true,
+      "requires": {
+        "kind-of": "6.0.2"
+      },
+      "dependencies": {
+        "kind-of": {
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "dev": true
+        }
+      }
+    },
     "useragent": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.3.0.tgz",
@@ -5750,6 +8070,15 @@
         "isexe": "2.0.0"
       }
     },
+    "widest-line": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.0.tgz",
+      "integrity": "sha1-AUKk6KJD+IgsAjOqDgKBqnYVInM=",
+      "dev": true,
+      "requires": {
+        "string-width": "2.1.1"
+      }
+    },
     "window-size": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
@@ -5768,6 +8097,17 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "write-file-atomic": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.3.0.tgz",
+      "integrity": "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "4.1.11",
+        "imurmurhash": "0.1.4",
+        "signal-exit": "3.0.2"
+      }
+    },
     "ws": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.2.tgz",
@@ -5784,6 +8124,12 @@
       "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo=",
       "dev": true
     },
+    "xdg-basedir": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
+      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
+      "dev": true
+    },
     "xmlhttprequest-ssl": {
       "version": "1.5.3",
       "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
diff --git a/package.json b/package.json
index 4f64f45cab2..8f2df300900 100644
--- a/package.json
+++ b/package.json
@@ -18,8 +18,10 @@
     "build:watch": "tsc -watch",
     "lint": "tslint src/**/*.ts || true",
     "lint:fix": "tslint src/**/*.ts --fix",
-    "test": "karma start --single-run",
-    "test:watch": "karma start"
+    "test": "karma start ./spec/support/karma.conf.js --single-run",
+    "test:watch": "karma start ./spec/support/karma.conf.js",
+    "test:node": "npm run build && jasmine",
+    "test:node:watch": "npm run build:watch & nodemon -w ./dist jasmine"
   },
   "devDependencies": {
     "@types/jasmine": "^2.8.2",
@@ -28,6 +30,8 @@
     "@types/node-forge": "0.7.1",
     "@types/papaparse": "4.1.31",
     "@types/webcrypto": "0.0.28",
+    "jasmine": "^3.1.0",
+    "jasmine-ts-console-reporter": "^3.1.1",
     "jasmine-core": "^2.8.0",
     "jasmine-spec-reporter": "^4.2.1",
     "karma": "^1.7.1",
@@ -37,6 +41,7 @@
     "karma-jasmine": "^1.1.0",
     "karma-jasmine-html-reporter": "^0.2.2",
     "karma-typescript": "^3.0.8",
+    "nodemon": "^1.17.3",
     "rimraf": "^2.6.2",
     "tslint": "^5.8.0",
     "typescript": "^2.7.1"
diff --git a/spec/helpers.ts b/spec/helpers.ts
new file mode 100644
index 00000000000..a60a7a66734
--- /dev/null
+++ b/spec/helpers.ts
@@ -0,0 +1,3 @@
+const TSConsoleReporter = require('jasmine-ts-console-reporter');
+jasmine.getEnv().clearReporters(); // Clear default console reporter
+jasmine.getEnv().addReporter(new TSConsoleReporter());
diff --git a/spec/node/services/nodeCryptoFunction.service.spec.ts b/spec/node/services/nodeCryptoFunction.service.spec.ts
new file mode 100644
index 00000000000..22be44efeeb
--- /dev/null
+++ b/spec/node/services/nodeCryptoFunction.service.spec.ts
@@ -0,0 +1,62 @@
+import { NodeCryptoFunctionService } from '../../../src/services/nodeCryptoFunction.service';
+
+import { UtilsService } from '../../../src/services/utils.service';
+
+describe('NodeCrypto Function Service', () => {
+    describe('aesEncrypt', () => {
+        it('should successfully aes encrypt data', async () => {
+            const nodeCryptoFunctionService = new NodeCryptoFunctionService();
+            const iv = makeStaticByteArray(16);
+            const key = makeStaticByteArray(32);
+            const data = UtilsService.fromUtf8ToArray('EncryptMe!');
+            const encValue = await nodeCryptoFunctionService.aesEncrypt(data.buffer, iv.buffer, key.buffer);
+            expect(UtilsService.fromBufferToB64(encValue)).toBe('ByUF8vhyX4ddU9gcooznwA==');
+        });
+    });
+
+    describe('aesDecryptSmall', () => {
+        it('should successfully aes decrypt data', async () => {
+            const nodeCryptoFunctionService = new NodeCryptoFunctionService();
+            const iv = makeStaticByteArray(16);
+            const key = makeStaticByteArray(32);
+            const data = UtilsService.fromB64ToArray('ByUF8vhyX4ddU9gcooznwA==');
+            const decValue = await nodeCryptoFunctionService.aesDecryptLarge(data.buffer, iv.buffer, key.buffer);
+            expect(UtilsService.fromBufferToUtf8(decValue)).toBe('EncryptMe!');
+        });
+    });
+
+    describe('aesDecryptLarge', () => {
+        it('should successfully aes decrypt data', async () => {
+            const nodeCryptoFunctionService = new NodeCryptoFunctionService();
+            const iv = makeStaticByteArray(16);
+            const key = makeStaticByteArray(32);
+            const data = UtilsService.fromB64ToArray('ByUF8vhyX4ddU9gcooznwA==');
+            const decValue = await nodeCryptoFunctionService.aesDecryptLarge(data.buffer, iv.buffer, key.buffer);
+            expect(UtilsService.fromBufferToUtf8(decValue)).toBe('EncryptMe!');
+        });
+    });
+
+    describe('randomBytes', () => {
+        it('should make a value of the correct length', async () => {
+            const nodeCryptoFunctionService = new NodeCryptoFunctionService();
+            const randomData = await nodeCryptoFunctionService.randomBytes(16);
+            expect(randomData.byteLength).toBe(16);
+        });
+
+        it('should not make the same value twice', async () => {
+            const nodeCryptoFunctionService = new NodeCryptoFunctionService();
+            const randomData = await nodeCryptoFunctionService.randomBytes(16);
+            const randomData2 = await nodeCryptoFunctionService.randomBytes(16);
+            expect(randomData.byteLength === randomData2.byteLength && randomData !== randomData2).toBeTruthy();
+        });
+    });
+});
+
+function makeStaticByteArray(length: number) {
+    const arr = new Uint8Array(length);
+    for (let i = 0; i < length; i++) {
+        arr[i] = i;
+    }
+    return arr;
+}
+
diff --git a/spec/support/jasmine.json b/spec/support/jasmine.json
new file mode 100644
index 00000000000..19ce1e1633e
--- /dev/null
+++ b/spec/support/jasmine.json
@@ -0,0 +1,12 @@
+{
+  "spec_dir": "dist/spec",
+  "spec_files": [
+    "common/**/*[sS]pec.js",
+    "node/**/*[sS]pec.js"
+  ],
+  "helpers": [
+    "helpers.js"
+  ],
+  "stopSpecOnExpectationFailure": false,
+  "random": true
+}
diff --git a/karma.conf.js b/spec/support/karma.conf.js
similarity index 95%
rename from karma.conf.js
rename to spec/support/karma.conf.js
index d4793738c14..0168b896987 100644
--- a/karma.conf.js
+++ b/spec/support/karma.conf.js
@@ -1,7 +1,7 @@
 module.exports = function(config) {
     config.set({
         // base path that will be used to resolve all patterns (eg. files, exclude)
-        basePath: '',
+        basePath: '../../',
 
         // frameworks to use
         // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
@@ -9,6 +9,8 @@ module.exports = function(config) {
 
         // list of files / patterns to load in the browser
         files: [
+            'spec/common/**/*.ts',
+            'spec/web/**/*.ts',
             'src/abstractions/**/*.ts',
             'src/enums/**/*.ts',
             'src/models/**/*.ts',
@@ -54,9 +56,6 @@ module.exports = function(config) {
 
         karmaTypescriptConfig: {
             tsconfig: './tsconfig.json',
-            compilerOptions: {
-                module: 'CommonJS'
-            },
             bundlerOptions: {
                 entrypoints: /\.spec\.ts$/,
                 sourceMap: true
diff --git a/src/services/utils.service.spec.ts b/spec/web/services/utils.service.spec.ts
similarity index 95%
rename from src/services/utils.service.spec.ts
rename to spec/web/services/utils.service.spec.ts
index 26dfa8bd60e..1241674bc14 100644
--- a/src/services/utils.service.spec.ts
+++ b/spec/web/services/utils.service.spec.ts
@@ -1,4 +1,4 @@
-import { UtilsService } from './utils.service';
+import { UtilsService } from '../../../src/services/utils.service';
 
 describe('Utils Service', () => {
     describe('getHostname', () => {
diff --git a/src/services/webCryptoFunction.service.spec.ts b/spec/web/services/webCryptoFunction.service.spec.ts
similarity index 97%
rename from src/services/webCryptoFunction.service.spec.ts
rename to spec/web/services/webCryptoFunction.service.spec.ts
index 68a8a560904..3922fc24fa7 100644
--- a/src/services/webCryptoFunction.service.spec.ts
+++ b/spec/web/services/webCryptoFunction.service.spec.ts
@@ -1,10 +1,10 @@
-import { DeviceType } from '../enums/deviceType';
+import { DeviceType } from '../../../src/enums/deviceType';
 
-import { PlatformUtilsService } from '../abstractions/platformUtils.service';
+import { PlatformUtilsService } from '../../../src/abstractions/platformUtils.service';
 
-import { WebCryptoFunctionService } from './webCryptoFunction.service';
+import { WebCryptoFunctionService } from '../../../src/services/webCryptoFunction.service';
 
-import { UtilsService } from './utils.service';
+import { UtilsService } from '../../../src/services/utils.service';
 
 describe('WebCrypto Function Service', () => {
     describe('pbkdf2', () => {
diff --git a/tsconfig.json b/tsconfig.json
index e647a0bd85a..45449f582fb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,20 +1,21 @@
 {
   "compilerOptions": {
     "moduleResolution": "node",
-    "target": "ES2016",
-    "module": "es6",
+    "target": "ES6",
+    "module": "commonjs",
     "sourceMap": true,
     "declaration": true,
     "allowSyntheticDefaultImports": true,
     "experimentalDecorators": true,
     "emitDecoratorMetadata": true,
     "declarationDir": "dist/types",
-    "outDir": "dist/es",
+    "outDir": "dist",
     "typeRoots": [
       "node_modules/@types"
     ]
   },
   "include": [
-    "src"
+    "src",
+    "spec"
   ]
 }