+ /**
+ * [js-md4]{@link https://github.com/emn178/js-md4}
+ *
+ * @namespace md4
+ * @version 0.3.0
+ * @author Yi-Cyuan Chen [emn178@gmail.com]
+ * @copyright Yi-Cyuan Chen 2015
+ * @license MIT
+ */
+(function (root) {
+ 'use strict';
+
+ var NODE_JS = typeof process == 'object' && process.versions && process.versions.node;
+ if (NODE_JS) {
+ root = global;
+ }
+ var COMMON_JS = !root.JS_MD4_TEST && typeof module == 'object' && module.exports;
+ var AMD = typeof define == 'function' && define.amd;
+
+ var ARRAY_BUFFER = !root.JS_MD4_TEST && 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'];
+
+ var blocks = [], buffer8;
+ if (ARRAY_BUFFER) {
+ var buffer = new ArrayBuffer(68);
+ buffer8 = new Uint8Array(buffer);
+ blocks = new Uint32Array(buffer);
+ }
+
+ /**
+ * @method hex
+ * @memberof md4
+ * @description Output hash as hex string
+ * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
+ * @returns {String} Hex string
+ * @example
+ * md4.hex('The quick brown fox jumps over the lazy dog');
+ * // equal to
+ * md4('The quick brown fox jumps over the lazy dog');
+ */
+ /**
+ * @method digest
+ * @memberof md4
+ * @description Output hash as bytes array
+ * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
+ * @returns {Array} Bytes array
+ * @example
+ * md4.digest('The quick brown fox jumps over the lazy dog');
+ */
+ /**
+ * @method array
+ * @memberof md4
+ * @description Output hash as bytes array
+ * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
+ * @returns {Array} Bytes array
+ * @example
+ * md4.array('The quick brown fox jumps over the lazy dog');
+ */
+ /**
+ * @method buffer
+ * @memberof md4
+ * @description Output hash as ArrayBuffer
+ * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
+ * @returns {ArrayBuffer} ArrayBuffer
+ * @example
+ * md4.buffer('The quick brown fox jumps over the lazy dog');
+ */
+ var createOutputMethod = function (outputType) {
+ return function(message) {
+ return new Md4(true).update(message)[outputType]();
+ }
+ };
+
+ /**
+ * @method create
+ * @memberof md4
+ * @description Create Md4 object
+ * @returns {Md4} MD4 object.
+ * @example
+ * var hash = md4.create();
+ */
+ /**
+ * @method update
+ * @memberof md4
+ * @description Create and update Md4 object
+ * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
+ * @returns {Md4} MD4 object.
+ * @example
+ * var hash = md4.update('The quick brown fox jumps over the lazy dog');
+ * // equal to
+ * var hash = md4.create();
+ * hash.update('The quick brown fox jumps over the lazy dog');
+ */
+ var createMethod = function () {
+ var method = createOutputMethod('hex');
+ method.create = function () {
+ return new Md4();
+ };
+ 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;
+ };
+
+
+ /**
+ * Md4 class
+ * @class Md4
+ * @description This is internal class.
+ * @see {@link md4.create}
+ */
+ function Md4(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 = 0;
+ this.finalized = this.hashed = false;
+ this.first = true;
+ }
+
+ /**
+ * @method update
+ * @memberof Md4
+ * @instance
+ * @description Update hash
+ * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
+ * @returns {Md4} MD4 object.
+ * @see {@link md4.update}
+ */
+ Md4.prototype.update = function (message) {
+ if (this.finalized) {
+ return;
+ }
+ var notString = typeof(message) != 'string';
+ if(notString && message.constructor == root.ArrayBuffer) {
+ message = new Uint8Array(message);
+ }
+ var code, index = 0, i, length = message.length || 0, 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;
+ }
+ }
+ return this;
+ };
+
+ Md4.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;
+ this.hash();
+ };
+
+ Md4.prototype.hash = function () {
+ var a, b, c, d, ab, bc, cd, da, blocks = this.blocks;
+
+ if (this.first) {
+ a = blocks[0] - 1;
+ a = (a << 3) | (a >>> 29);
+ d = ((a & 0xefcdab89) | (~a & 0x98badcfe)) + blocks[1] + 271733878;
+ d = (d << 7) | (d >>> 25);
+ c = ((d & a) | (~d & 0xefcdab89)) + blocks[2] - 1732584194;
+ c = (c << 11) | (c >>> 21);
+ b = ((c & d) | (~c & a)) + blocks[3] - 271733879;
+ b = (b << 19) | (b >>> 13);
+ } else {
+ a = this.h0;
+ b = this.h1;
+ c = this.h2;
+ d = this.h3;
+ a += ((b & c) | (~b & d)) + blocks[0];
+ a = (a << 3) | (a >>> 29);
+ d += ((a & b) | (~a & c)) + blocks[1];
+ d = (d << 7) | (d >>> 25);
+ c += ((d & a) | (~d & b)) + blocks[2];
+ c = (c << 11) | (c >>> 21);
+ b += ((c & d) | (~c & a)) + blocks[3];
+ b = (b << 19) | (b >>> 13);
+ }
+ a += ((b & c) | (~b & d)) + blocks[4];
+ a = (a << 3) | (a >>> 29);
+ d += ((a & b) | (~a & c)) + blocks[5];
+ d = (d << 7) | (d >>> 25);
+ c += ((d & a) | (~d & b)) + blocks[6];
+ c = (c << 11) | (c >>> 21);
+ b += ((c & d) | (~c & a)) + blocks[7];
+ b = (b << 19) | (b >>> 13);
+ a += ((b & c) | (~b & d)) + blocks[8];
+ a = (a << 3) | (a >>> 29);
+ d += ((a & b) | (~a & c)) + blocks[9];
+ d = (d << 7) | (d >>> 25);
+ c += ((d & a) | (~d & b)) + blocks[10];
+ c = (c << 11) | (c >>> 21);
+ b += ((c & d) | (~c & a)) + blocks[11];
+ b = (b << 19) | (b >>> 13);
+ a += ((b & c) | (~b & d)) + blocks[12];
+ a = (a << 3) | (a >>> 29);
+ d += ((a & b) | (~a & c)) + blocks[13];
+ d = (d << 7) | (d >>> 25);
+ c += ((d & a) | (~d & b)) + blocks[14];
+ c = (c << 11) | (c >>> 21);
+ b += ((c & d) | (~c & a)) + blocks[15];
+ b = (b << 19) | (b >>> 13);
+
+ bc = b & c;
+ a += (bc | (b & d) | (c & d)) + blocks[0] + 1518500249;
+ a = (a << 3) | (a >>> 29);
+ ab = a & b;
+ d += (ab | (a & c) | bc) + blocks[4] + 1518500249;
+ d = (d << 5) | (d >>> 27);
+ da = d & a;
+ c += (da | (d & b) | ab) + blocks[8] + 1518500249;
+ c = (c << 9) | (c >>> 23);
+ cd = c & d;
+ b += (cd | (c & a) | da) + blocks[12] + 1518500249;
+ b = (b << 13) | (b >>> 19);
+ bc = b & c;
+ a += (bc | (b & d) | cd) + blocks[1] + 1518500249;
+ a = (a << 3) | (a >>> 29);
+ ab = a & b;
+ d += (ab | (a & c) | bc) + blocks[5] + 1518500249;
+ d = (d << 5) | (d >>> 27);
+ da = d & a;
+ c += (da | (d & b) | ab) + blocks[9] + 1518500249;
+ c = (c << 9) | (c >>> 23);
+ cd = c & d;
+ b += (cd | (c & a) | da) + blocks[13] + 1518500249;
+ b = (b << 13) | (b >>> 19);
+ bc = b & c;
+ a += (bc | (b & d) | cd) + blocks[2] + 1518500249;
+ a = (a << 3) | (a >>> 29);
+ ab = a & b;
+ d += (ab | (a & c) | bc) + blocks[6] + 1518500249;
+ d = (d << 5) | (d >>> 27);
+ da = d & a;
+ c += (da | (d & b) | ab) + blocks[10] + 1518500249;
+ c = (c << 9) | (c >>> 23);
+ cd = c & d;
+ b += (cd | (c & a) | da) + blocks[14] + 1518500249;
+ b = (b << 13) | (b >>> 19);
+ bc = b & c;
+ a += (bc | (b & d) | cd) + blocks[3] + 1518500249;
+ a = (a << 3) | (a >>> 29);
+ ab = a & b;
+ d += (ab | (a & c) | bc) + blocks[7] + 1518500249;
+ d = (d << 5) | (d >>> 27);
+ da = d & a;
+ c += (da | (d & b) | ab) + blocks[11] + 1518500249;
+ c = (c << 9) | (c >>> 23);
+ b += ((c & d) | (c & a) | da) + blocks[15] + 1518500249;
+ b = (b << 13) | (b >>> 19);
+
+ bc = b ^ c;
+ a += (bc ^ d) + blocks[0] + 1859775393;
+ a = (a << 3) | (a >>> 29);
+ d += (bc ^ a) + blocks[8] + 1859775393;
+ d = (d << 9) | (d >>> 23);
+ da = d ^ a;
+ c += (da ^ b) + blocks[4] + 1859775393;
+ c = (c << 11) | (c >>> 21);
+ b += (da ^ c) + blocks[12] + 1859775393;
+ b = (b << 15) | (b >>> 17);
+ bc = b ^ c;
+ a += (bc ^ d) + blocks[2] + 1859775393;
+ a = (a << 3) | (a >>> 29);
+ d += (bc ^ a) + blocks[10] + 1859775393;
+ d = (d << 9) | (d >>> 23);
+ da = d ^ a;
+ c += (da ^ b) + blocks[6] + 1859775393;
+ c = (c << 11) | (c >>> 21);
+ b += (da ^ c) + blocks[14] + 1859775393;
+ b = (b << 15) | (b >>> 17);
+ bc = b ^ c;
+ a += (bc ^ d) + blocks[1] + 1859775393;
+ a = (a << 3) | (a >>> 29);
+ d += (bc ^ a) + blocks[9] + 1859775393;
+ d = (d << 9) | (d >>> 23);
+ da = d ^ a;
+ c += (da ^ b) + blocks[5] + 1859775393;
+ c = (c << 11) | (c >>> 21);
+ b += (da ^ c) + blocks[13] + 1859775393;
+ b = (b << 15) | (b >>> 17);
+ bc = b ^ c;
+ a += (bc ^ d) + blocks[3] + 1859775393;
+ a = (a << 3) | (a >>> 29);
+ d += (bc ^ a) + blocks[11] + 1859775393;
+ d = (d << 9) | (d >>> 23);
+ da = d ^ a;
+ c += (da ^ b) + blocks[7] + 1859775393;
+ c = (c << 11) | (c >>> 21);
+ b += (da ^ c) + blocks[15] + 1859775393;
+ b = (b << 15) | (b >>> 17);
+
+ 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 Md4
+ * @instance
+ * @description Output hash as hex string
+ * @returns {String} Hex string
+ * @see {@link md4.hex}
+ * @example
+ * hash.hex();
+ */
+ Md4.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 Md4
+ * @instance
+ * @description Output hash as hex string
+ * @returns {String} Hex string
+ * @see {@link md4.hex}
+ * @example
+ * hash.toString();
+ */
+ Md4.prototype.toString = Md4.prototype.hex;
+
+ /**
+ * @method digest
+ * @memberof Md4
+ * @instance
+ * @description Output hash as bytes array
+ * @returns {Array} Bytes array
+ * @see {@link md4.digest}
+ * @example
+ * hash.digest();
+ */
+ Md4.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 Md4
+ * @instance
+ * @description Output hash as bytes array
+ * @returns {Array} Bytes array
+ * @see {@link md4.array}
+ * @example
+ * hash.array();
+ */
+ Md4.prototype.array = Md4.prototype.digest;
+
+ /**
+ * @method buffer
+ * @memberof Md4
+ * @instance
+ * @description Output hash as ArrayBuffer
+ * @returns {ArrayBuffer} ArrayBuffer
+ * @see {@link md4.buffer}
+ * @example
+ * hash.buffer();
+ */
+ Md4.prototype.buffer = 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;
+ };
+
+ var exports = createMethod();
+
+ if (COMMON_JS) {
+ module.exports = exports;
+ } else {
+ /**
+ * @method md4
+ * @description MD4 hash function, export to global in browsers.
+ * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
+ * @returns {String} md4 hashes
+ * @example
+ * md4(''); // 31d6cfe0d16ae931b73c59d7e0c089c0
+ * md4('The quick brown fox jumps over the lazy dog'); // 1bee69a46ba811185c194762abaeae90
+ * md4('The quick brown fox jumps over the lazy dog.'); // 2812c6c7136898c51f6f6739ad08750e
+ *
+ * // It also supports UTF-8 encoding
+ * md4('中文'); // 223088bf7bd45a16436b15360c5fc5a0
+ *
+ * // It also supports byte `Array`, `Uint8Array`, `ArrayBuffer`
+ * md4([]); // 31d6cfe0d16ae931b73c59d7e0c089c0
+ * md4(new Uint8Array([])); // 31d6cfe0d16ae931b73c59d7e0c089c0
+ */
+ root.md4 = exports;
+ if (AMD) {
+ define(function () {
+ return exports;
+ });
+ }
+ }
+}(this));
+
+
+