[DEV-9619] Update sha256 script to handle UTF8
This commit replaces the sha256 script with a newer implemention which supports all UTF8 characters. https://github.com/emn178/js-sha256/blob/master/src/sha256.js Note that this commit breaks the system, the following commit fixes this.main
Corey Vollmer
parent
422f3d9c0c
commit
f667a1a58e
598
src/js/sha256.js
598
src/js/sha256.js
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@ -1,6 +1,6 @@
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/**
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* Source: https://raw.githubusercontent.com/geraintluff/sha256/gh-pages/sha256.js
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* This script is in the public domain.
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* Source: https://github.com/emn178/js-sha256/blob/master/src/sha256.js
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*
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* This comment was added by Ryan Specialty Group.
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*
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* N.B.: THIS IMPLEMENTATION IS NOT INTENDED FOR SECURE CRYPTOGRAPHIC
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@ -14,99 +14,521 @@
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* not been audited.
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*/
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var sha256 = function sha256(ascii) {
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function rightRotate(value, amount) {
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return (value>>>amount) | (value<<(32 - amount));
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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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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 mathPow = Math.pow;
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var maxWord = mathPow(2, 32);
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var lengthProperty = 'length';
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var i, j; // Used as a counter across the whole file
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var result = '';
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var words = [];
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var asciiBitLength = ascii[lengthProperty]*8;
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//* caching results is optional - remove/add slash from front of this line to toggle
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// Initial hash value: first 32 bits of the fractional parts of the square roots of the first 8 primes
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// (we actually calculate the first 64, but extra values are just ignored)
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var hash = sha256.h = sha256.h || [];
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// Round constants: first 32 bits of the fractional parts of the cube roots of the first 64 primes
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var k = sha256.k = sha256.k || [];
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var primeCounter = k[lengthProperty];
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/*/
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var hash = [], k = [];
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var primeCounter = 0;
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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 isComposite = {};
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for (var candidate = 2; primeCounter < 64; candidate++) {
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if (!isComposite[candidate]) {
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for (i = 0; i < 313; i += candidate) {
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isComposite[i] = candidate;
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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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hash[primeCounter] = (mathPow(candidate, .5)*maxWord)|0;
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k[primeCounter++] = (mathPow(candidate, 1/3)*maxWord)|0;
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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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}
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ascii += '\x80'; // Append '1' bit (plus zero padding)
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while (ascii[lengthProperty]%64 - 56) ascii += '\x00'; // More zero padding
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for (i = 0; i < ascii[lengthProperty]; i++) {
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j = ascii.charCodeAt(i);
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if (j>>8) return; // ASCII check: only accept characters in range 0-255
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words[i>>2] |= j << ((3 - i)%4)*8;
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}
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words[words[lengthProperty]] = ((asciiBitLength/maxWord)|0);
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words[words[lengthProperty]] = (asciiBitLength)
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// process each chunk
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for (j = 0; j < words[lengthProperty];) {
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var w = words.slice(j, j += 16); // The message is expanded into 64 words as part of the iteration
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var oldHash = hash;
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// This is now the "working hash", often labelled as variables a...g
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// (we have to truncate as well, otherwise extra entries at the end accumulate
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hash = hash.slice(0, 8);
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for (i = 0; i < 64; i++) {
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var i2 = i + j;
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// Expand the message into 64 words
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// Used below if
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var w15 = w[i - 15], w2 = w[i - 2];
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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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// Iterate
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var a = hash[0], e = hash[4];
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var temp1 = hash[7]
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+ (rightRotate(e, 6) ^ rightRotate(e, 11) ^ rightRotate(e, 25)) // S1
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+ ((e&hash[5])^((~e)&hash[6])) // ch
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+ k[i]
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// Expand the message schedule if needed
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+ (w[i] = (i < 16) ? w[i] : (
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w[i - 16]
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+ (rightRotate(w15, 7) ^ rightRotate(w15, 18) ^ (w15>>>3)) // s0
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+ w[i - 7]
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+ (rightRotate(w2, 17) ^ rightRotate(w2, 19) ^ (w2>>>10)) // s1
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)|0
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);
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// This is only used once, so *could* be moved below, but it only saves 4 bytes and makes things unreadble
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var temp2 = (rightRotate(a, 2) ^ rightRotate(a, 13) ^ rightRotate(a, 22)) // S0
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+ ((a&hash[1])^(a&hash[2])^(hash[1]&hash[2])); // maj
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hash = [(temp1 + temp2)|0].concat(hash); // We don't bother trimming off the extra ones, they're harmless as long as we're truncating when we do the slice()
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hash[4] = (hash[4] + temp1)|0;
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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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for (i = 0; i < 8; i++) {
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hash[i] = (hash[i] + oldHash[i])|0;
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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;
|
||||
h = d + t1 << 0;
|
||||
d = t1 + t2 << 0;
|
||||
}
|
||||
s0 = ((d >>> 2) | (d << 30)) ^ ((d >>> 13) | (d << 19)) ^ ((d >>> 22) | (d << 10));
|
||||
s1 = ((h >>> 6) | (h << 26)) ^ ((h >>> 11) | (h << 21)) ^ ((h >>> 25) | (h << 7));
|
||||
da = d & a;
|
||||
maj = da ^ (d & b) ^ ab;
|
||||
ch = (h & e) ^ (~h & f);
|
||||
t1 = g + s1 + ch + K[j + 1] + blocks[j + 1];
|
||||
t2 = s0 + maj;
|
||||
g = c + t1 << 0;
|
||||
c = t1 + t2 << 0;
|
||||
s0 = ((c >>> 2) | (c << 30)) ^ ((c >>> 13) | (c << 19)) ^ ((c >>> 22) | (c << 10));
|
||||
s1 = ((g >>> 6) | (g << 26)) ^ ((g >>> 11) | (g << 21)) ^ ((g >>> 25) | (g << 7));
|
||||
cd = c & d;
|
||||
maj = cd ^ (c & a) ^ da;
|
||||
ch = (g & h) ^ (~g & e);
|
||||
t1 = f + s1 + ch + K[j + 2] + blocks[j + 2];
|
||||
t2 = s0 + maj;
|
||||
f = b + t1 << 0;
|
||||
b = t1 + t2 << 0;
|
||||
s0 = ((b >>> 2) | (b << 30)) ^ ((b >>> 13) | (b << 19)) ^ ((b >>> 22) | (b << 10));
|
||||
s1 = ((f >>> 6) | (f << 26)) ^ ((f >>> 11) | (f << 21)) ^ ((f >>> 25) | (f << 7));
|
||||
bc = b & c;
|
||||
maj = bc ^ (b & d) ^ cd;
|
||||
ch = (f & g) ^ (~f & h);
|
||||
t1 = e + s1 + ch + K[j + 3] + blocks[j + 3];
|
||||
t2 = s0 + maj;
|
||||
e = a + t1 << 0;
|
||||
a = t1 + t2 << 0;
|
||||
}
|
||||
|
||||
this.h0 = this.h0 + a << 0;
|
||||
this.h1 = this.h1 + b << 0;
|
||||
this.h2 = this.h2 + c << 0;
|
||||
this.h3 = this.h3 + d << 0;
|
||||
this.h4 = this.h4 + e << 0;
|
||||
this.h5 = this.h5 + f << 0;
|
||||
this.h6 = this.h6 + g << 0;
|
||||
this.h7 = this.h7 + h << 0;
|
||||
};
|
||||
|
||||
Sha256.prototype.hex = 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 hex = HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
|
||||
HEX_CHARS[(h4 >> 28) & 0x0F] + HEX_CHARS[(h4 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h4 >> 20) & 0x0F] + HEX_CHARS[(h4 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h4 >> 12) & 0x0F] + HEX_CHARS[(h4 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h4 >> 4) & 0x0F] + HEX_CHARS[h4 & 0x0F] +
|
||||
HEX_CHARS[(h5 >> 28) & 0x0F] + HEX_CHARS[(h5 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h5 >> 20) & 0x0F] + HEX_CHARS[(h5 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h5 >> 12) & 0x0F] + HEX_CHARS[(h5 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h5 >> 4) & 0x0F] + HEX_CHARS[h5 & 0x0F] +
|
||||
HEX_CHARS[(h6 >> 28) & 0x0F] + HEX_CHARS[(h6 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h6 >> 20) & 0x0F] + HEX_CHARS[(h6 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h6 >> 12) & 0x0F] + HEX_CHARS[(h6 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h6 >> 4) & 0x0F] + HEX_CHARS[h6 & 0x0F];
|
||||
if (!this.is224) {
|
||||
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;
|
||||
}
|
||||
|
||||
for (i = 0; i < 8; i++) {
|
||||
for (j = 3; j + 1; j--) {
|
||||
var b = (hash[i]>>(j*8))&255;
|
||||
result += ((b < 16) ? 0 : '') + b.toString(16);
|
||||
}
|
||||
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;
|
||||
});
|
||||
}
|
||||
}
|
||||
return result;
|
||||
};
|
||||
})();
|
||||
|
|
|
|||
Loading…
Reference in New Issue