Fixed -kvmdatatrace issue.

2025-12-15 07:43:27 +00:00 · 2020-08-10 13:47:28 -07:00
parent ea9fb68287
commit 1507acee4f
116 changed files with 49517 additions and 18 deletions
--- a/pki.js/RSAPublicKey.js
+++ b/pki.js/RSAPublicKey.js
@@ -0,0 +1,174 @@
+import * as asn1js from "asn1js";
+import { getParametersValue, toBase64, arrayBufferToString, stringToArrayBuffer, fromBase64, nearestPowerOf2, clearProps } from "pvutils";
+//**************************************************************************************
+/**
+ * Class from RFC3447
+ */
+export default class RSAPublicKey
+{
+	//**********************************************************************************
+	/**
+	 * Constructor for RSAPublicKey class
+	 * @param {Object} [parameters={}]
+	 * @param {Object} [parameters.schema] asn1js parsed value to initialize the class from
+	 * @property {Integer} [modulus]
+	 * @property {Integer} [publicExponent]
+	 */
+	constructor(parameters = {})
+	{
+		//region Internal properties of the object
+		/**
+		 * @type {Integer}
+		 * @desc Modulus part of RSA public key
+		 */
+		this.modulus = getParametersValue(parameters, "modulus", RSAPublicKey.defaultValues("modulus"));
+		/**
+		 * @type {Integer}
+		 * @desc Public exponent of RSA public key
+		 */
+		this.publicExponent = getParametersValue(parameters, "publicExponent", RSAPublicKey.defaultValues("publicExponent"));
+		//endregion
+
+		//region If input argument array contains "schema" for this object
+		if("schema" in parameters)
+			this.fromSchema(parameters.schema);
+		//endregion
+		//region If input argument array contains "json" for this object
+		if("json" in parameters)
+			this.fromJSON(parameters.json);
+		//endregion
+	}
+	//**********************************************************************************
+	/**
+	 * Return default values for all class members
+	 * @param {string} memberName String name for a class member
+	 */
+	static defaultValues(memberName)
+	{
+		switch(memberName)
+		{
+			case "modulus":
+				return new asn1js.Integer();
+			case "publicExponent":
+				return new asn1js.Integer();
+			default:
+				throw new Error(`Invalid member name for RSAPublicKey class: ${memberName}`);
+		}
+	}
+	//**********************************************************************************
+	/**
+	 * Return value of pre-defined ASN.1 schema for current class
+	 *
+	 * ASN.1 schema:
+	 * ```asn1
+	 * RSAPublicKey ::= Sequence {
+	 *    modulus           Integer,  -- n
+	 *    publicExponent    Integer   -- e
+	 * }
+	 * ```
+	 *
+	 * @param {Object} parameters Input parameters for the schema
+	 * @returns {Object} asn1js schema object
+	 */
+	static schema(parameters = {})
+	{
+		/**
+		 * @type {Object}
+		 * @property {string} utcTimeName Name for "utcTimeName" choice
+		 * @property {string} generalTimeName Name for "generalTimeName" choice
+		 */
+		const names = getParametersValue(parameters, "names", {});
+
+		return (new asn1js.Sequence({
+			name: (names.blockName || ""),
+			value: [
+				new asn1js.Integer({ name: (names.modulus || "") }),
+				new asn1js.Integer({ name: (names.publicExponent || "") })
+			]
+		}));
+	}
+	//**********************************************************************************
+	/**
+	 * Convert parsed asn1js object into current class
+	 * @param {!Object} schema
+	 */
+	fromSchema(schema)
+	{
+		//region Clear input data first
+		clearProps(schema, [
+			"modulus",
+			"publicExponent"
+		]);
+		//endregion
+		
+		//region Check the schema is valid
+		const asn1 = asn1js.compareSchema(schema,
+			schema,
+			RSAPublicKey.schema({
+				names: {
+					modulus: "modulus",
+					publicExponent: "publicExponent"
+				}
+			})
+		);
+
+		if(asn1.verified === false)
+			throw new Error("Object's schema was not verified against input data for RSAPublicKey");
+		//endregion
+
+		//region Get internal properties from parsed schema
+		this.modulus = asn1.result.modulus.convertFromDER(256);
+		this.publicExponent = asn1.result.publicExponent;
+		//endregion
+	}
+	//**********************************************************************************
+	/**
+	 * Convert current object to asn1js object and set correct values
+	 * @returns {Object} asn1js object
+	 */
+	toSchema()
+	{
+		//region Construct and return new ASN.1 schema for this object
+		return (new asn1js.Sequence({
+			value: [
+				this.modulus.convertToDER(),
+				this.publicExponent
+			]
+		}));
+		//endregion
+	}
+	//**********************************************************************************
+	/**
+	 * Convertion for the class to JSON object
+	 * @returns {Object}
+	 */
+	toJSON()
+	{
+		return {
+			n: toBase64(arrayBufferToString(this.modulus.valueBlock.valueHex), true, true, true),
+			e: toBase64(arrayBufferToString(this.publicExponent.valueBlock.valueHex), true, true, true)
+		};
+	}
+	//**********************************************************************************
+	/**
+	 * Convert JSON value into current object
+	 * @param {Object} json
+	 */
+	fromJSON(json)
+	{
+		if("n" in json)
+		{
+			const array = stringToArrayBuffer(fromBase64(json.n, true));
+			this.modulus = new asn1js.Integer({ valueHex: array.slice(0, Math.pow(2, nearestPowerOf2(array.byteLength))) });
+		}
+		else
+			throw new Error("Absent mandatory parameter \"n\"");
+
+		if("e" in json)
+			this.publicExponent = new asn1js.Integer({ valueHex: stringToArrayBuffer(fromBase64(json.e, true)).slice(0, 3) });
+		else
+			throw new Error("Absent mandatory parameter \"e\"");
+	}
+	//**********************************************************************************
+}
+//**************************************************************************************