• md5.js


      

    /**
     * [js-md5]{@link https://github.com/emn178/js-md5}
     *
     * @namespace md5
     * @version 0.7.3
     * @author Chen, Yi-Cyuan [emn178@gmail.com]
     * @copyright Chen, Yi-Cyuan 2014-2017
     * @license MIT
     */
    (function () {
      'use strict';
    
      var ERROR = 'input is invalid type';
      var WINDOW = typeof window === 'object';
      var root = WINDOW ? window : {};
      if (root.JS_MD5_NO_WINDOW) {
        WINDOW = false;
      }
      var WEB_WORKER = !WINDOW && typeof self === 'object';
      var NODE_JS = !root.JS_MD5_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
      if (NODE_JS) {
        root = global;
      } else if (WEB_WORKER) {
        root = self;
      }
      var COMMON_JS = !root.JS_MD5_NO_COMMON_JS && typeof module === 'object' && module.exports;
      var AMD = typeof define === 'function' && define.amd;
      var ARRAY_BUFFER = !root.JS_MD5_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
      var HEX_CHARS = '0123456789abcdef'.split('');
      var EXTRA = [128, 32768, 8388608, -2147483648];
      var SHIFT = [0, 8, 16, 24];
      var OUTPUT_TYPES = ['hex', 'array', 'digest', 'buffer', 'arrayBuffer', 'base64'];
      var BASE64_ENCODE_CHAR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
    
      var blocks = [], buffer8;
      if (ARRAY_BUFFER) {
        var buffer = new ArrayBuffer(68);
        buffer8 = new Uint8Array(buffer);
        blocks = new Uint32Array(buffer);
      }
    
      if (root.JS_MD5_NO_NODE_JS || !Array.isArray) {
        Array.isArray = function (obj) {
          return Object.prototype.toString.call(obj) === '[object Array]';
        };
      }
    
      if (ARRAY_BUFFER && (root.JS_MD5_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) {
        ArrayBuffer.isView = function (obj) {
          return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;
        };
      }
    
      /**
       * @method hex
       * @memberof md5
       * @description Output hash as hex string
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {String} Hex string
       * @example
       * md5.hex('The quick brown fox jumps over the lazy dog');
       * // equal to
       * md5('The quick brown fox jumps over the lazy dog');
       */
      /**
       * @method digest
       * @memberof md5
       * @description Output hash as bytes array
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {Array} Bytes array
       * @example
       * md5.digest('The quick brown fox jumps over the lazy dog');
       */
      /**
       * @method array
       * @memberof md5
       * @description Output hash as bytes array
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {Array} Bytes array
       * @example
       * md5.array('The quick brown fox jumps over the lazy dog');
       */
      /**
       * @method arrayBuffer
       * @memberof md5
       * @description Output hash as ArrayBuffer
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {ArrayBuffer} ArrayBuffer
       * @example
       * md5.arrayBuffer('The quick brown fox jumps over the lazy dog');
       */
      /**
       * @method buffer
       * @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.
       * @memberof md5
       * @description Output hash as ArrayBuffer
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {ArrayBuffer} ArrayBuffer
       * @example
       * md5.buffer('The quick brown fox jumps over the lazy dog');
       */
      /**
       * @method base64
       * @memberof md5
       * @description Output hash as base64 string
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {String} base64 string
       * @example
       * md5.base64('The quick brown fox jumps over the lazy dog');
       */
      var createOutputMethod = function (outputType) {
        return function (message) {
          return new Md5(true).update(message)[outputType]();
        };
      };
    
      /**
       * @method create
       * @memberof md5
       * @description Create Md5 object
       * @returns {Md5} Md5 object.
       * @example
       * var hash = md5.create();
       */
      /**
       * @method update
       * @memberof md5
       * @description Create and update Md5 object
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {Md5} Md5 object.
       * @example
       * var hash = md5.update('The quick brown fox jumps over the lazy dog');
       * // equal to
       * var hash = md5.create();
       * hash.update('The quick brown fox jumps over the lazy dog');
       */
      var createMethod = function () {
        var method = createOutputMethod('hex');
        if (NODE_JS) {
          method = nodeWrap(method);
        }
        method.create = function () {
          return new Md5();
        };
        method.update = function (message) {
          return method.create().update(message);
        };
        for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
          var type = OUTPUT_TYPES[i];
          method[type] = createOutputMethod(type);
        }
        return method;
      };
    
      var nodeWrap = function (method) {
        var crypto = eval("require('crypto')");
        var Buffer = eval("require('buffer').Buffer");
        var nodeMethod = function (message) {
          if (typeof message === 'string') {
            return crypto.createHash('md5').update(message, 'utf8').digest('hex');
          } else {
            if (message === null || message === undefined) {
              throw ERROR;
            } else if (message.constructor === ArrayBuffer) {
              message = new Uint8Array(message);
            }
          }
          if (Array.isArray(message) || ArrayBuffer.isView(message) ||
            message.constructor === Buffer) {
            return crypto.createHash('md5').update(new Buffer(message)).digest('hex');
          } else {
            return method(message);
          }
        };
        return nodeMethod;
      };
    
      /**
       * Md5 class
       * @class Md5
       * @description This is internal class.
       * @see {@link md5.create}
       */
      function Md5(sharedMemory) {
        if (sharedMemory) {
          blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] =
            blocks[4] = blocks[5] = blocks[6] = blocks[7] =
            blocks[8] = blocks[9] = blocks[10] = blocks[11] =
            blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
          this.blocks = blocks;
          this.buffer8 = buffer8;
        } else {
          if (ARRAY_BUFFER) {
            var buffer = new ArrayBuffer(68);
            this.buffer8 = new Uint8Array(buffer);
            this.blocks = new Uint32Array(buffer);
          } else {
            this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
          }
        }
        this.h0 = this.h1 = this.h2 = this.h3 = this.start = this.bytes = this.hBytes = 0;
        this.finalized = this.hashed = false;
        this.first = true;
      }
    
      /**
       * @method update
       * @memberof Md5
       * @instance
       * @description Update hash
       * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
       * @returns {Md5} Md5 object.
       * @see {@link md5.update}
       */
      Md5.prototype.update = function (message) {
        if (this.finalized) {
          return;
        }
    
        var notString, type = typeof message;
        if (type !== 'string') {
          if (type === 'object') {
            if (message === null) {
              throw ERROR;
            } else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {
              message = new Uint8Array(message);
            } else if (!Array.isArray(message)) {
              if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) {
                throw ERROR;
              }
            }
          } else {
            throw ERROR;
          }
          notString = true;
        }
        var code, index = 0, i, length = message.length, blocks = this.blocks;
        var buffer8 = this.buffer8;
    
        while (index < length) {
          if (this.hashed) {
            this.hashed = false;
            blocks[0] = blocks[16];
            blocks[16] = blocks[1] = blocks[2] = blocks[3] =
              blocks[4] = blocks[5] = blocks[6] = blocks[7] =
              blocks[8] = blocks[9] = blocks[10] = blocks[11] =
              blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
          }
    
          if (notString) {
            if (ARRAY_BUFFER) {
              for (i = this.start; index < length && i < 64; ++index) {
                buffer8[i++] = message[index];
              }
            } else {
              for (i = this.start; index < length && i < 64; ++index) {
                blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
              }
            }
          } else {
            if (ARRAY_BUFFER) {
              for (i = this.start; index < length && i < 64; ++index) {
                code = message.charCodeAt(index);
                if (code < 0x80) {
                  buffer8[i++] = code;
                } else if (code < 0x800) {
                  buffer8[i++] = 0xc0 | (code >> 6);
                  buffer8[i++] = 0x80 | (code & 0x3f);
                } else if (code < 0xd800 || code >= 0xe000) {
                  buffer8[i++] = 0xe0 | (code >> 12);
                  buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
                  buffer8[i++] = 0x80 | (code & 0x3f);
                } else {
                  code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
                  buffer8[i++] = 0xf0 | (code >> 18);
                  buffer8[i++] = 0x80 | ((code >> 12) & 0x3f);
                  buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
                  buffer8[i++] = 0x80 | (code & 0x3f);
                }
              }
            } else {
              for (i = this.start; index < length && i < 64; ++index) {
                code = message.charCodeAt(index);
                if (code < 0x80) {
                  blocks[i >> 2] |= code << SHIFT[i++ & 3];
                } else if (code < 0x800) {
                  blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
                  blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
                } else if (code < 0xd800 || code >= 0xe000) {
                  blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
                  blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
                  blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
                } else {
                  code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
                  blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
                  blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
                  blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
                  blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
                }
              }
            }
          }
          this.lastByteIndex = i;
          this.bytes += i - this.start;
          if (i >= 64) {
            this.start = i - 64;
            this.hash();
            this.hashed = true;
          } else {
            this.start = i;
          }
        }
        if (this.bytes > 4294967295) {
          this.hBytes += this.bytes / 4294967296 << 0;
          this.bytes = this.bytes % 4294967296;
        }
        return this;
      };
    
      Md5.prototype.finalize = function () {
        if (this.finalized) {
          return;
        }
        this.finalized = true;
        var blocks = this.blocks, i = this.lastByteIndex;
        blocks[i >> 2] |= EXTRA[i & 3];
        if (i >= 56) {
          if (!this.hashed) {
            this.hash();
          }
          blocks[0] = blocks[16];
          blocks[16] = blocks[1] = blocks[2] = blocks[3] =
            blocks[4] = blocks[5] = blocks[6] = blocks[7] =
            blocks[8] = blocks[9] = blocks[10] = blocks[11] =
            blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
        }
        blocks[14] = this.bytes << 3;
        blocks[15] = this.hBytes << 3 | this.bytes >>> 29;
        this.hash();
      };
    
      Md5.prototype.hash = function () {
        var a, b, c, d, bc, da, blocks = this.blocks;
    
        if (this.first) {
          a = blocks[0] - 680876937;
          a = (a << 7 | a >>> 25) - 271733879 << 0;
          d = (-1732584194 ^ a & 2004318071) + blocks[1] - 117830708;
          d = (d << 12 | d >>> 20) + a << 0;
          c = (-271733879 ^ (d & (a ^ -271733879))) + blocks[2] - 1126478375;
          c = (c << 17 | c >>> 15) + d << 0;
          b = (a ^ (c & (d ^ a))) + blocks[3] - 1316259209;
          b = (b << 22 | b >>> 10) + c << 0;
        } else {
          a = this.h0;
          b = this.h1;
          c = this.h2;
          d = this.h3;
          a += (d ^ (b & (c ^ d))) + blocks[0] - 680876936;
          a = (a << 7 | a >>> 25) + b << 0;
          d += (c ^ (a & (b ^ c))) + blocks[1] - 389564586;
          d = (d << 12 | d >>> 20) + a << 0;
          c += (b ^ (d & (a ^ b))) + blocks[2] + 606105819;
          c = (c << 17 | c >>> 15) + d << 0;
          b += (a ^ (c & (d ^ a))) + blocks[3] - 1044525330;
          b = (b << 22 | b >>> 10) + c << 0;
        }
    
        a += (d ^ (b & (c ^ d))) + blocks[4] - 176418897;
        a = (a << 7 | a >>> 25) + b << 0;
        d += (c ^ (a & (b ^ c))) + blocks[5] + 1200080426;
        d = (d << 12 | d >>> 20) + a << 0;
        c += (b ^ (d & (a ^ b))) + blocks[6] - 1473231341;
        c = (c << 17 | c >>> 15) + d << 0;
        b += (a ^ (c & (d ^ a))) + blocks[7] - 45705983;
        b = (b << 22 | b >>> 10) + c << 0;
        a += (d ^ (b & (c ^ d))) + blocks[8] + 1770035416;
        a = (a << 7 | a >>> 25) + b << 0;
        d += (c ^ (a & (b ^ c))) + blocks[9] - 1958414417;
        d = (d << 12 | d >>> 20) + a << 0;
        c += (b ^ (d & (a ^ b))) + blocks[10] - 42063;
        c = (c << 17 | c >>> 15) + d << 0;
        b += (a ^ (c & (d ^ a))) + blocks[11] - 1990404162;
        b = (b << 22 | b >>> 10) + c << 0;
        a += (d ^ (b & (c ^ d))) + blocks[12] + 1804603682;
        a = (a << 7 | a >>> 25) + b << 0;
        d += (c ^ (a & (b ^ c))) + blocks[13] - 40341101;
        d = (d << 12 | d >>> 20) + a << 0;
        c += (b ^ (d & (a ^ b))) + blocks[14] - 1502002290;
        c = (c << 17 | c >>> 15) + d << 0;
        b += (a ^ (c & (d ^ a))) + blocks[15] + 1236535329;
        b = (b << 22 | b >>> 10) + c << 0;
        a += (c ^ (d & (b ^ c))) + blocks[1] - 165796510;
        a = (a << 5 | a >>> 27) + b << 0;
        d += (b ^ (c & (a ^ b))) + blocks[6] - 1069501632;
        d = (d << 9 | d >>> 23) + a << 0;
        c += (a ^ (b & (d ^ a))) + blocks[11] + 643717713;
        c = (c << 14 | c >>> 18) + d << 0;
        b += (d ^ (a & (c ^ d))) + blocks[0] - 373897302;
        b = (b << 20 | b >>> 12) + c << 0;
        a += (c ^ (d & (b ^ c))) + blocks[5] - 701558691;
        a = (a << 5 | a >>> 27) + b << 0;
        d += (b ^ (c & (a ^ b))) + blocks[10] + 38016083;
        d = (d << 9 | d >>> 23) + a << 0;
        c += (a ^ (b & (d ^ a))) + blocks[15] - 660478335;
        c = (c << 14 | c >>> 18) + d << 0;
        b += (d ^ (a & (c ^ d))) + blocks[4] - 405537848;
        b = (b << 20 | b >>> 12) + c << 0;
        a += (c ^ (d & (b ^ c))) + blocks[9] + 568446438;
        a = (a << 5 | a >>> 27) + b << 0;
        d += (b ^ (c & (a ^ b))) + blocks[14] - 1019803690;
        d = (d << 9 | d >>> 23) + a << 0;
        c += (a ^ (b & (d ^ a))) + blocks[3] - 187363961;
        c = (c << 14 | c >>> 18) + d << 0;
        b += (d ^ (a & (c ^ d))) + blocks[8] + 1163531501;
        b = (b << 20 | b >>> 12) + c << 0;
        a += (c ^ (d & (b ^ c))) + blocks[13] - 1444681467;
        a = (a << 5 | a >>> 27) + b << 0;
        d += (b ^ (c & (a ^ b))) + blocks[2] - 51403784;
        d = (d << 9 | d >>> 23) + a << 0;
        c += (a ^ (b & (d ^ a))) + blocks[7] + 1735328473;
        c = (c << 14 | c >>> 18) + d << 0;
        b += (d ^ (a & (c ^ d))) + blocks[12] - 1926607734;
        b = (b << 20 | b >>> 12) + c << 0;
        bc = b ^ c;
        a += (bc ^ d) + blocks[5] - 378558;
        a = (a << 4 | a >>> 28) + b << 0;
        d += (bc ^ a) + blocks[8] - 2022574463;
        d = (d << 11 | d >>> 21) + a << 0;
        da = d ^ a;
        c += (da ^ b) + blocks[11] + 1839030562;
        c = (c << 16 | c >>> 16) + d << 0;
        b += (da ^ c) + blocks[14] - 35309556;
        b = (b << 23 | b >>> 9) + c << 0;
        bc = b ^ c;
        a += (bc ^ d) + blocks[1] - 1530992060;
        a = (a << 4 | a >>> 28) + b << 0;
        d += (bc ^ a) + blocks[4] + 1272893353;
        d = (d << 11 | d >>> 21) + a << 0;
        da = d ^ a;
        c += (da ^ b) + blocks[7] - 155497632;
        c = (c << 16 | c >>> 16) + d << 0;
        b += (da ^ c) + blocks[10] - 1094730640;
        b = (b << 23 | b >>> 9) + c << 0;
        bc = b ^ c;
        a += (bc ^ d) + blocks[13] + 681279174;
        a = (a << 4 | a >>> 28) + b << 0;
        d += (bc ^ a) + blocks[0] - 358537222;
        d = (d << 11 | d >>> 21) + a << 0;
        da = d ^ a;
        c += (da ^ b) + blocks[3] - 722521979;
        c = (c << 16 | c >>> 16) + d << 0;
        b += (da ^ c) + blocks[6] + 76029189;
        b = (b << 23 | b >>> 9) + c << 0;
        bc = b ^ c;
        a += (bc ^ d) + blocks[9] - 640364487;
        a = (a << 4 | a >>> 28) + b << 0;
        d += (bc ^ a) + blocks[12] - 421815835;
        d = (d << 11 | d >>> 21) + a << 0;
        da = d ^ a;
        c += (da ^ b) + blocks[15] + 530742520;
        c = (c << 16 | c >>> 16) + d << 0;
        b += (da ^ c) + blocks[2] - 995338651;
        b = (b << 23 | b >>> 9) + c << 0;
        a += (c ^ (b | ~d)) + blocks[0] - 198630844;
        a = (a << 6 | a >>> 26) + b << 0;
        d += (b ^ (a | ~c)) + blocks[7] + 1126891415;
        d = (d << 10 | d >>> 22) + a << 0;
        c += (a ^ (d | ~b)) + blocks[14] - 1416354905;
        c = (c << 15 | c >>> 17) + d << 0;
        b += (d ^ (c | ~a)) + blocks[5] - 57434055;
        b = (b << 21 | b >>> 11) + c << 0;
        a += (c ^ (b | ~d)) + blocks[12] + 1700485571;
        a = (a << 6 | a >>> 26) + b << 0;
        d += (b ^ (a | ~c)) + blocks[3] - 1894986606;
        d = (d << 10 | d >>> 22) + a << 0;
        c += (a ^ (d | ~b)) + blocks[10] - 1051523;
        c = (c << 15 | c >>> 17) + d << 0;
        b += (d ^ (c | ~a)) + blocks[1] - 2054922799;
        b = (b << 21 | b >>> 11) + c << 0;
        a += (c ^ (b | ~d)) + blocks[8] + 1873313359;
        a = (a << 6 | a >>> 26) + b << 0;
        d += (b ^ (a | ~c)) + blocks[15] - 30611744;
        d = (d << 10 | d >>> 22) + a << 0;
        c += (a ^ (d | ~b)) + blocks[6] - 1560198380;
        c = (c << 15 | c >>> 17) + d << 0;
        b += (d ^ (c | ~a)) + blocks[13] + 1309151649;
        b = (b << 21 | b >>> 11) + c << 0;
        a += (c ^ (b | ~d)) + blocks[4] - 145523070;
        a = (a << 6 | a >>> 26) + b << 0;
        d += (b ^ (a | ~c)) + blocks[11] - 1120210379;
        d = (d << 10 | d >>> 22) + a << 0;
        c += (a ^ (d | ~b)) + blocks[2] + 718787259;
        c = (c << 15 | c >>> 17) + d << 0;
        b += (d ^ (c | ~a)) + blocks[9] - 343485551;
        b = (b << 21 | b >>> 11) + c << 0;
    
        if (this.first) {
          this.h0 = a + 1732584193 << 0;
          this.h1 = b - 271733879 << 0;
          this.h2 = c - 1732584194 << 0;
          this.h3 = d + 271733878 << 0;
          this.first = false;
        } else {
          this.h0 = this.h0 + a << 0;
          this.h1 = this.h1 + b << 0;
          this.h2 = this.h2 + c << 0;
          this.h3 = this.h3 + d << 0;
        }
      };
    
      /**
       * @method hex
       * @memberof Md5
       * @instance
       * @description Output hash as hex string
       * @returns {String} Hex string
       * @see {@link md5.hex}
       * @example
       * hash.hex();
       */
      Md5.prototype.hex = function () {
        this.finalize();
    
        var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;
    
        return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
          HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
          HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
          HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
          HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
          HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
          HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
          HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
          HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
          HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
          HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
          HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
          HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
          HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
          HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
          HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
      };
    
      /**
       * @method toString
       * @memberof Md5
       * @instance
       * @description Output hash as hex string
       * @returns {String} Hex string
       * @see {@link md5.hex}
       * @example
       * hash.toString();
       */
      Md5.prototype.toString = Md5.prototype.hex;
    
      /**
       * @method digest
       * @memberof Md5
       * @instance
       * @description Output hash as bytes array
       * @returns {Array} Bytes array
       * @see {@link md5.digest}
       * @example
       * hash.digest();
       */
      Md5.prototype.digest = function () {
        this.finalize();
    
        var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;
        return [
          h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 24) & 0xFF,
          h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 24) & 0xFF,
          h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 24) & 0xFF,
          h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 24) & 0xFF
        ];
      };
    
      /**
       * @method array
       * @memberof Md5
       * @instance
       * @description Output hash as bytes array
       * @returns {Array} Bytes array
       * @see {@link md5.array}
       * @example
       * hash.array();
       */
      Md5.prototype.array = Md5.prototype.digest;
    
      /**
       * @method arrayBuffer
       * @memberof Md5
       * @instance
       * @description Output hash as ArrayBuffer
       * @returns {ArrayBuffer} ArrayBuffer
       * @see {@link md5.arrayBuffer}
       * @example
       * hash.arrayBuffer();
       */
      Md5.prototype.arrayBuffer = function () {
        this.finalize();
    
        var buffer = new ArrayBuffer(16);
        var blocks = new Uint32Array(buffer);
        blocks[0] = this.h0;
        blocks[1] = this.h1;
        blocks[2] = this.h2;
        blocks[3] = this.h3;
        return buffer;
      };
    
      /**
       * @method buffer
       * @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.
       * @memberof Md5
       * @instance
       * @description Output hash as ArrayBuffer
       * @returns {ArrayBuffer} ArrayBuffer
       * @see {@link md5.buffer}
       * @example
       * hash.buffer();
       */
      Md5.prototype.buffer = Md5.prototype.arrayBuffer;
    
      /**
       * @method base64
       * @memberof Md5
       * @instance
       * @description Output hash as base64 string
       * @returns {String} base64 string
       * @see {@link md5.base64}
       * @example
       * hash.base64();
       */
      Md5.prototype.base64 = function () {
        var v1, v2, v3, base64Str = '', bytes = this.array();
        for (var i = 0; i < 15;) {
          v1 = bytes[i++];
          v2 = bytes[i++];
          v3 = bytes[i++];
          base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
            BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
            BASE64_ENCODE_CHAR[(v2 << 2 | v3 >>> 6) & 63] +
            BASE64_ENCODE_CHAR[v3 & 63];
        }
        v1 = bytes[i];
        base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
          BASE64_ENCODE_CHAR[(v1 << 4) & 63] +
          '==';
        return base64Str;
      };
    
      var exports = createMethod();
    
      if (COMMON_JS) {
        module.exports = exports;
      } else {
        /**
         * @method md5
         * @description Md5 hash function, export to global in browsers.
         * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
         * @returns {String} md5 hashes
         * @example
         * md5(''); // d41d8cd98f00b204e9800998ecf8427e
         * md5('The quick brown fox jumps over the lazy dog'); // 9e107d9d372bb6826bd81d3542a419d6
         * md5('The quick brown fox jumps over the lazy dog.'); // e4d909c290d0fb1ca068ffaddf22cbd0
         *
         * // It also supports UTF-8 encoding
         * md5('中文'); // a7bac2239fcdcb3a067903d8077c4a07
         *
         * // It also supports byte `Array`, `Uint8Array`, `ArrayBuffer`
         * md5([]); // d41d8cd98f00b204e9800998ecf8427e
         * md5(new Uint8Array([])); // d41d8cd98f00b204e9800998ecf8427e
         */
        root.md5 = exports;
        if (AMD) {
          define(function () {
            return exports;
          });
        }
      }
    })();
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  • 原文地址:https://www.cnblogs.com/muzimumu/p/11881084.html
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