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569 lines
20 KiB
569 lines
20 KiB
/* |
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Copyright (c) 2023 Kasyanov Nikolay Alexeyevich (Unbewohnte) |
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*/ |
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const AuthHeaderKey = "Auth"; |
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const AuthSeparator = "<->" // username<->password |
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const authStorageUsername = "username"; |
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const authStoragePassword = "password"; |
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function encodeStringBase64(string) { |
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return btoa( |
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encodeURIComponent(string).replace(/%([0-9A-F]{2})/g, function to_bytes(match, p) { |
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return String.fromCharCode('0x' + p); |
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}) |
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); |
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} |
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// Returns properly constructed string containing authentication information |
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function authString(login, password) { |
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return String(login) + String(AuthSeparator) + String(password); |
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} |
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// Returns properly constructed string containing authentication information, encodes afterwards |
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function authStringEncoded(login, password) { |
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return encodeStringBase64(authString(login, password)); |
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} |
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// Saves auth information to local storage |
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function rememberAuthInfo(username, password) { |
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localStorage.setItem(authStorageUsername, username); |
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localStorage.setItem(authStoragePassword, password); |
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} |
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// Retrieves user's login from local storage |
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function getUsername() { |
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return localStorage.getItem(authStorageUsername); |
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} |
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// Retrieves user's password from local storage |
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function getUserPassword() { |
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return localStorage.getItem(authStoragePassword); |
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} |
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// Removes all auth information from local storage |
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function forgetAuthInfo() { |
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localStorage.removeItem(authStorageUsername); |
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localStorage.removeItem(authStoragePassword); |
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} |
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/** |
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* [js-sha256]{@link https://github.com/emn178/js-sha256} |
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* |
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* @version 0.9.0 |
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* @author Chen, Yi-Cyuan [emn178@gmail.com] |
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* @copyright Chen, Yi-Cyuan 2014-2017 |
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* @license MIT |
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*/ |
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/*jslint bitwise: true */ |
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(function () { |
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'use strict'; |
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|
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var ERROR = 'input is invalid type'; |
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var WINDOW = typeof window === 'object'; |
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var root = WINDOW ? window : {}; |
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if (root.JS_SHA256_NO_WINDOW) { |
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WINDOW = false; |
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} |
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var WEB_WORKER = !WINDOW && typeof self === 'object'; |
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var NODE_JS = !root.JS_SHA256_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node; |
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if (NODE_JS) { |
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root = global; |
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} else if (WEB_WORKER) { |
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root = self; |
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} |
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var COMMON_JS = !root.JS_SHA256_NO_COMMON_JS && typeof module === 'object' && module.exports; |
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var AMD = typeof define === 'function' && define.amd; |
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var ARRAY_BUFFER = !root.JS_SHA256_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined'; |
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var HEX_CHARS = '0123456789abcdef'.split(''); |
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var EXTRA = [-2147483648, 8388608, 32768, 128]; |
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var SHIFT = [24, 16, 8, 0]; |
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var K = [ |
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0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, |
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, |
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, |
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, |
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, |
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, |
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, |
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 |
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]; |
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var OUTPUT_TYPES = ['hex', 'array', 'digest', 'arrayBuffer']; |
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var blocks = []; |
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if (root.JS_SHA256_NO_NODE_JS || !Array.isArray) { |
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Array.isArray = function (obj) { |
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return Object.prototype.toString.call(obj) === '[object Array]'; |
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}; |
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} |
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if (ARRAY_BUFFER && (root.JS_SHA256_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) { |
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ArrayBuffer.isView = function (obj) { |
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return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer; |
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}; |
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} |
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var createOutputMethod = function (outputType, is224) { |
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return function (message) { |
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return new Sha256(is224, true).update(message)[outputType](); |
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}; |
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}; |
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var createMethod = function (is224) { |
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var method = createOutputMethod('hex', is224); |
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if (NODE_JS) { |
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method = nodeWrap(method, is224); |
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} |
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method.create = function () { |
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return new Sha256(is224); |
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}; |
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method.update = function (message) { |
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return method.create().update(message); |
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}; |
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for (var i = 0; i < OUTPUT_TYPES.length; ++i) { |
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var type = OUTPUT_TYPES[i]; |
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method[type] = createOutputMethod(type, is224); |
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} |
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return method; |
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}; |
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var nodeWrap = function (method, is224) { |
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var crypto = eval("require('crypto')"); |
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var Buffer = eval("require('buffer').Buffer"); |
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var algorithm = is224 ? 'sha224' : 'sha256'; |
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var nodeMethod = function (message) { |
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if (typeof message === 'string') { |
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return crypto.createHash(algorithm).update(message, 'utf8').digest('hex'); |
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} else { |
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if (message === null || message === undefined) { |
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throw new Error(ERROR); |
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} else if (message.constructor === ArrayBuffer) { |
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message = new Uint8Array(message); |
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} |
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} |
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if (Array.isArray(message) || ArrayBuffer.isView(message) || |
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message.constructor === Buffer) { |
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return crypto.createHash(algorithm).update(new Buffer(message)).digest('hex'); |
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} else { |
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return method(message); |
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} |
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}; |
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return nodeMethod; |
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}; |
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var createHmacOutputMethod = function (outputType, is224) { |
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return function (key, message) { |
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return new HmacSha256(key, is224, true).update(message)[outputType](); |
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}; |
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}; |
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var createHmacMethod = function (is224) { |
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var method = createHmacOutputMethod('hex', is224); |
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method.create = function (key) { |
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return new HmacSha256(key, is224); |
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}; |
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method.update = function (key, message) { |
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return method.create(key).update(message); |
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}; |
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for (var i = 0; i < OUTPUT_TYPES.length; ++i) { |
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var type = OUTPUT_TYPES[i]; |
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method[type] = createHmacOutputMethod(type, is224); |
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} |
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return method; |
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}; |
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function Sha256(is224, sharedMemory) { |
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if (sharedMemory) { |
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blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] = |
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blocks[4] = blocks[5] = blocks[6] = blocks[7] = |
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blocks[8] = blocks[9] = blocks[10] = blocks[11] = |
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blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0; |
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this.blocks = blocks; |
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} else { |
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this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; |
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} |
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if (is224) { |
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this.h0 = 0xc1059ed8; |
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this.h1 = 0x367cd507; |
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this.h2 = 0x3070dd17; |
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this.h3 = 0xf70e5939; |
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this.h4 = 0xffc00b31; |
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this.h5 = 0x68581511; |
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this.h6 = 0x64f98fa7; |
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this.h7 = 0xbefa4fa4; |
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} else { // 256 |
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this.h0 = 0x6a09e667; |
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this.h1 = 0xbb67ae85; |
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this.h2 = 0x3c6ef372; |
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this.h3 = 0xa54ff53a; |
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this.h4 = 0x510e527f; |
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this.h5 = 0x9b05688c; |
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this.h6 = 0x1f83d9ab; |
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this.h7 = 0x5be0cd19; |
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} |
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this.block = this.start = this.bytes = this.hBytes = 0; |
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this.finalized = this.hashed = false; |
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this.first = true; |
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this.is224 = is224; |
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} |
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Sha256.prototype.update = function (message) { |
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if (this.finalized) { |
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return; |
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} |
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var notString, type = typeof message; |
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if (type !== 'string') { |
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if (type === 'object') { |
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if (message === null) { |
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throw new Error(ERROR); |
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} else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) { |
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message = new Uint8Array(message); |
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} else if (!Array.isArray(message)) { |
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if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) { |
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throw new Error(ERROR); |
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} |
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} |
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} else { |
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throw new Error(ERROR); |
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} |
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notString = true; |
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} |
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var code, index = 0, i, length = message.length, blocks = this.blocks; |
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while (index < length) { |
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if (this.hashed) { |
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this.hashed = false; |
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blocks[0] = this.block; |
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blocks[16] = blocks[1] = blocks[2] = blocks[3] = |
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blocks[4] = blocks[5] = blocks[6] = blocks[7] = |
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blocks[8] = blocks[9] = blocks[10] = blocks[11] = |
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blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0; |
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} |
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if (notString) { |
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for (i = this.start; index < length && i < 64; ++index) { |
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blocks[i >> 2] |= message[index] << SHIFT[i++ & 3]; |
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} |
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} else { |
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for (i = this.start; index < length && i < 64; ++index) { |
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code = message.charCodeAt(index); |
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if (code < 0x80) { |
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blocks[i >> 2] |= code << SHIFT[i++ & 3]; |
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} else if (code < 0x800) { |
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blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3]; |
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; |
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} else if (code < 0xd800 || code >= 0xe000) { |
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blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3]; |
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3]; |
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; |
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} else { |
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code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff)); |
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blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3]; |
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blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3]; |
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3]; |
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; |
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} |
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} |
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} |
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this.lastByteIndex = i; |
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this.bytes += i - this.start; |
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if (i >= 64) { |
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this.block = blocks[16]; |
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this.start = i - 64; |
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this.hash(); |
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this.hashed = true; |
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} else { |
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this.start = i; |
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} |
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} |
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if (this.bytes > 4294967295) { |
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this.hBytes += this.bytes / 4294967296 << 0; |
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this.bytes = this.bytes % 4294967296; |
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} |
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return this; |
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}; |
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Sha256.prototype.finalize = function () { |
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if (this.finalized) { |
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return; |
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} |
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this.finalized = true; |
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var blocks = this.blocks, i = this.lastByteIndex; |
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blocks[16] = this.block; |
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blocks[i >> 2] |= EXTRA[i & 3]; |
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this.block = blocks[16]; |
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if (i >= 56) { |
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if (!this.hashed) { |
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this.hash(); |
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} |
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blocks[0] = this.block; |
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blocks[16] = blocks[1] = blocks[2] = blocks[3] = |
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blocks[4] = blocks[5] = blocks[6] = blocks[7] = |
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blocks[8] = blocks[9] = blocks[10] = blocks[11] = |
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blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0; |
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} |
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blocks[14] = this.hBytes << 3 | this.bytes >>> 29; |
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blocks[15] = this.bytes << 3; |
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this.hash(); |
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}; |
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Sha256.prototype.hash = function () { |
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var a = this.h0, b = this.h1, c = this.h2, d = this.h3, e = this.h4, f = this.h5, g = this.h6, |
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h = this.h7, blocks = this.blocks, j, s0, s1, maj, t1, t2, ch, ab, da, cd, bc; |
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for (j = 16; j < 64; ++j) { |
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// rightrotate |
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t1 = blocks[j - 15]; |
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s0 = ((t1 >>> 7) | (t1 << 25)) ^ ((t1 >>> 18) | (t1 << 14)) ^ (t1 >>> 3); |
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t1 = blocks[j - 2]; |
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s1 = ((t1 >>> 17) | (t1 << 15)) ^ ((t1 >>> 19) | (t1 << 13)) ^ (t1 >>> 10); |
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blocks[j] = blocks[j - 16] + s0 + blocks[j - 7] + s1 << 0; |
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} |
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bc = b & c; |
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for (j = 0; j < 64; j += 4) { |
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if (this.first) { |
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if (this.is224) { |
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ab = 300032; |
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t1 = blocks[0] - 1413257819; |
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h = t1 - 150054599 << 0; |
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d = t1 + 24177077 << 0; |
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} else { |
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ab = 704751109; |
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t1 = blocks[0] - 210244248; |
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h = t1 - 1521486534 << 0; |
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d = t1 + 143694565 << 0; |
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} |
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this.first = false; |
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} else { |
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s0 = ((a >>> 2) | (a << 30)) ^ ((a >>> 13) | (a << 19)) ^ ((a >>> 22) | (a << 10)); |
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s1 = ((e >>> 6) | (e << 26)) ^ ((e >>> 11) | (e << 21)) ^ ((e >>> 25) | (e << 7)); |
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ab = a & b; |
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maj = ab ^ (a & c) ^ bc; |
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ch = (e & f) ^ (~e & g); |
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t1 = h + s1 + ch + K[j] + blocks[j]; |
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t2 = s0 + maj; |
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h = d + t1 << 0; |
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d = t1 + t2 << 0; |
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} |
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s0 = ((d >>> 2) | (d << 30)) ^ ((d >>> 13) | (d << 19)) ^ ((d >>> 22) | (d << 10)); |
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s1 = ((h >>> 6) | (h << 26)) ^ ((h >>> 11) | (h << 21)) ^ ((h >>> 25) | (h << 7)); |
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da = d & a; |
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maj = da ^ (d & b) ^ ab; |
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ch = (h & e) ^ (~h & f); |
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t1 = g + s1 + ch + K[j + 1] + blocks[j + 1]; |
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t2 = s0 + maj; |
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g = c + t1 << 0; |
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c = t1 + t2 << 0; |
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s0 = ((c >>> 2) | (c << 30)) ^ ((c >>> 13) | (c << 19)) ^ ((c >>> 22) | (c << 10)); |
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s1 = ((g >>> 6) | (g << 26)) ^ ((g >>> 11) | (g << 21)) ^ ((g >>> 25) | (g << 7)); |
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cd = c & d; |
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maj = cd ^ (c & a) ^ da; |
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ch = (g & h) ^ (~g & e); |
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t1 = f + s1 + ch + K[j + 2] + blocks[j + 2]; |
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t2 = s0 + maj; |
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f = b + t1 << 0; |
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b = t1 + t2 << 0; |
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s0 = ((b >>> 2) | (b << 30)) ^ ((b >>> 13) | (b << 19)) ^ ((b >>> 22) | (b << 10)); |
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s1 = ((f >>> 6) | (f << 26)) ^ ((f >>> 11) | (f << 21)) ^ ((f >>> 25) | (f << 7)); |
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bc = b & c; |
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maj = bc ^ (b & d) ^ cd; |
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ch = (f & g) ^ (~f & h); |
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t1 = e + s1 + ch + K[j + 3] + blocks[j + 3]; |
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t2 = s0 + maj; |
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e = a + t1 << 0; |
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a = t1 + t2 << 0; |
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} |
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|
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this.h0 = this.h0 + a << 0; |
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this.h1 = this.h1 + b << 0; |
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this.h2 = this.h2 + c << 0; |
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this.h3 = this.h3 + d << 0; |
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this.h4 = this.h4 + e << 0; |
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this.h5 = this.h5 + f << 0; |
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this.h6 = this.h6 + g << 0; |
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this.h7 = this.h7 + h << 0; |
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}; |
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|
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Sha256.prototype.hex = function () { |
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this.finalize(); |
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|
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var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3, h4 = this.h4, h5 = this.h5, |
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h6 = this.h6, h7 = this.h7; |
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|
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var hex = HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] + |
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HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] + |
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HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] + |
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HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] + |
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HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] + |
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HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] + |
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HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] + |
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HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] + |
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HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] + |
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HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] + |
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HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] + |
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HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] + |
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HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F] + |
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HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] + |
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HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] + |
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HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] + |
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HEX_CHARS[(h4 >> 28) & 0x0F] + HEX_CHARS[(h4 >> 24) & 0x0F] + |
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HEX_CHARS[(h4 >> 20) & 0x0F] + HEX_CHARS[(h4 >> 16) & 0x0F] + |
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HEX_CHARS[(h4 >> 12) & 0x0F] + HEX_CHARS[(h4 >> 8) & 0x0F] + |
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HEX_CHARS[(h4 >> 4) & 0x0F] + HEX_CHARS[h4 & 0x0F] + |
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HEX_CHARS[(h5 >> 28) & 0x0F] + HEX_CHARS[(h5 >> 24) & 0x0F] + |
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HEX_CHARS[(h5 >> 20) & 0x0F] + HEX_CHARS[(h5 >> 16) & 0x0F] + |
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HEX_CHARS[(h5 >> 12) & 0x0F] + HEX_CHARS[(h5 >> 8) & 0x0F] + |
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HEX_CHARS[(h5 >> 4) & 0x0F] + HEX_CHARS[h5 & 0x0F] + |
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HEX_CHARS[(h6 >> 28) & 0x0F] + HEX_CHARS[(h6 >> 24) & 0x0F] + |
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HEX_CHARS[(h6 >> 20) & 0x0F] + HEX_CHARS[(h6 >> 16) & 0x0F] + |
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HEX_CHARS[(h6 >> 12) & 0x0F] + HEX_CHARS[(h6 >> 8) & 0x0F] + |
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HEX_CHARS[(h6 >> 4) & 0x0F] + HEX_CHARS[h6 & 0x0F]; |
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if (!this.is224) { |
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hex += HEX_CHARS[(h7 >> 28) & 0x0F] + HEX_CHARS[(h7 >> 24) & 0x0F] + |
|
HEX_CHARS[(h7 >> 20) & 0x0F] + HEX_CHARS[(h7 >> 16) & 0x0F] + |
|
HEX_CHARS[(h7 >> 12) & 0x0F] + HEX_CHARS[(h7 >> 8) & 0x0F] + |
|
HEX_CHARS[(h7 >> 4) & 0x0F] + HEX_CHARS[h7 & 0x0F]; |
|
} |
|
return hex; |
|
}; |
|
|
|
Sha256.prototype.toString = Sha256.prototype.hex; |
|
|
|
Sha256.prototype.digest = function () { |
|
this.finalize(); |
|
|
|
var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3, h4 = this.h4, h5 = this.h5, |
|
h6 = this.h6, h7 = this.h7; |
|
|
|
var arr = [ |
|
(h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, h0 & 0xFF, |
|
(h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, h1 & 0xFF, |
|
(h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, h2 & 0xFF, |
|
(h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, h3 & 0xFF, |
|
(h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, h4 & 0xFF, |
|
(h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, h5 & 0xFF, |
|
(h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, h6 & 0xFF |
|
]; |
|
if (!this.is224) { |
|
arr.push((h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, h7 & 0xFF); |
|
} |
|
return arr; |
|
}; |
|
|
|
Sha256.prototype.array = Sha256.prototype.digest; |
|
|
|
Sha256.prototype.arrayBuffer = function () { |
|
this.finalize(); |
|
|
|
var buffer = new ArrayBuffer(this.is224 ? 28 : 32); |
|
var dataView = new DataView(buffer); |
|
dataView.setUint32(0, this.h0); |
|
dataView.setUint32(4, this.h1); |
|
dataView.setUint32(8, this.h2); |
|
dataView.setUint32(12, this.h3); |
|
dataView.setUint32(16, this.h4); |
|
dataView.setUint32(20, this.h5); |
|
dataView.setUint32(24, this.h6); |
|
if (!this.is224) { |
|
dataView.setUint32(28, this.h7); |
|
} |
|
return buffer; |
|
}; |
|
|
|
function HmacSha256(key, is224, sharedMemory) { |
|
var i, type = typeof key; |
|
if (type === 'string') { |
|
var bytes = [], length = key.length, index = 0, code; |
|
for (i = 0; i < length; ++i) { |
|
code = key.charCodeAt(i); |
|
if (code < 0x80) { |
|
bytes[index++] = code; |
|
} else if (code < 0x800) { |
|
bytes[index++] = (0xc0 | (code >> 6)); |
|
bytes[index++] = (0x80 | (code & 0x3f)); |
|
} else if (code < 0xd800 || code >= 0xe000) { |
|
bytes[index++] = (0xe0 | (code >> 12)); |
|
bytes[index++] = (0x80 | ((code >> 6) & 0x3f)); |
|
bytes[index++] = (0x80 | (code & 0x3f)); |
|
} else { |
|
code = 0x10000 + (((code & 0x3ff) << 10) | (key.charCodeAt(++i) & 0x3ff)); |
|
bytes[index++] = (0xf0 | (code >> 18)); |
|
bytes[index++] = (0x80 | ((code >> 12) & 0x3f)); |
|
bytes[index++] = (0x80 | ((code >> 6) & 0x3f)); |
|
bytes[index++] = (0x80 | (code & 0x3f)); |
|
} |
|
} |
|
key = bytes; |
|
} else { |
|
if (type === 'object') { |
|
if (key === null) { |
|
throw new Error(ERROR); |
|
} else if (ARRAY_BUFFER && key.constructor === ArrayBuffer) { |
|
key = new Uint8Array(key); |
|
} else if (!Array.isArray(key)) { |
|
if (!ARRAY_BUFFER || !ArrayBuffer.isView(key)) { |
|
throw new Error(ERROR); |
|
} |
|
} |
|
} else { |
|
throw new Error(ERROR); |
|
} |
|
} |
|
|
|
if (key.length > 64) { |
|
key = (new Sha256(is224, true)).update(key).array(); |
|
} |
|
|
|
var oKeyPad = [], iKeyPad = []; |
|
for (i = 0; i < 64; ++i) { |
|
var b = key[i] || 0; |
|
oKeyPad[i] = 0x5c ^ b; |
|
iKeyPad[i] = 0x36 ^ b; |
|
} |
|
|
|
Sha256.call(this, is224, sharedMemory); |
|
|
|
this.update(iKeyPad); |
|
this.oKeyPad = oKeyPad; |
|
this.inner = true; |
|
this.sharedMemory = sharedMemory; |
|
} |
|
HmacSha256.prototype = new Sha256(); |
|
|
|
HmacSha256.prototype.finalize = function () { |
|
Sha256.prototype.finalize.call(this); |
|
if (this.inner) { |
|
this.inner = false; |
|
var innerHash = this.array(); |
|
Sha256.call(this, this.is224, this.sharedMemory); |
|
this.update(this.oKeyPad); |
|
this.update(innerHash); |
|
Sha256.prototype.finalize.call(this); |
|
} |
|
}; |
|
|
|
var exports = createMethod(); |
|
exports.sha256 = exports; |
|
exports.sha224 = createMethod(true); |
|
exports.sha256.hmac = createHmacMethod(); |
|
exports.sha224.hmac = createHmacMethod(true); |
|
|
|
if (COMMON_JS) { |
|
module.exports = exports; |
|
} else { |
|
root.sha256 = exports.sha256; |
|
root.sha224 = exports.sha224; |
|
if (AMD) { |
|
define(function () { |
|
return exports; |
|
}); |
|
} |
|
} |
|
})(); |