ctjs/build/BaseClass.js

CTjs is a full set of classes necessary to work with any kind of Certificate Transparency log (V1 as from RFC6962, or V2 as from RFC6962-bis). In CTjs you could find all necessary validation/verification functions for all related data shipped with full-fe

"use strict";

Object.defineProperty(exports, "__esModule", {
	value: true
});
exports.BaseClassSigned = exports.BaseClass = undefined;

var _bytestreamjs = require("bytestreamjs");

var _pkijs = require("pkijs");

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

//**************************************************************************************
class BaseClass {
	//**********************************************************************************
	constructor() {}
	//**********************************************************************************
	/**
  * Convert current object to SeqStream data
  * @param {!SeqStream} stream
  * @returns {boolean} Result of the function
  */
	toStream(stream) {
		return true;
	}
	//**********************************************************************************
	/**
  * Converts current class into SeqStream and then return ArrayBuffer from the stream
  * @return {ArrayBuffer}
  */
	get buffer() {
		const stream = new _bytestreamjs.SeqStream();

		this.toStream(stream);

		return stream.buffer;
	}
	//**********************************************************************************
}
exports.BaseClass = BaseClass; //**************************************************************************************

class BaseClassSigned extends BaseClass {
	//**********************************************************************************
	constructor() {
		super();

		this.signature = {};
	}
	//**********************************************************************************
	/**
  * Verify existing signature given data block and public key
  * @param {ArrayBuffer} data The data to be verified against existing signature
  * @param {PublicKeyInfo} publicKey Public key using for verification
  * @param {String} [hashName=SHA-256] Name of hashing function, default SHA-256
  * @return {Promise<Boolean>}
  */
	verify(data, publicKey, hashName = "SHA-256") {
		var _this = this;

		return _asyncToGenerator(function* () {
			//region Perform verification
			return (0, _pkijs.getEngine)().subtle.verifyWithPublicKey(data, { valueBlock: { valueHex: _this.signature.toBER(false) } }, publicKey, { algorithmId: "" }, hashName);
			//endregion
		})();
	}
	//**********************************************************************************
}
exports.BaseClassSigned = BaseClassSigned; //**************************************************************************************
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