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fut-api

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/*jslint node: true */ "use strict"; var hasher = (function () { function hasher() { this.r1Shifts = [7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22]; this.r2Shifts = [5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20]; this.r3Shifts = [4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23]; this.r4Shifts = [6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]; this.hex_chr = "0123456789abcdef"; } hasher.prototype.md5 = function (str) { var that = this; var x = that.chunkMessage(str); var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878; for (var i = 0; i < x.length; i += 16) { var tempA = a; var tempB = b; var tempC = c; var tempD = d; a = that.md5_f(a, b, c, d, x[i + 0], that.r1Shifts[0], -680876936); d = that.md5_f(d, a, b, c, x[i + 1], that.r1Shifts[1], -389564586); c = that.md5_f(c, d, a, b, x[i + 2], that.r1Shifts[2], 606105819); b = that.md5_f(b, c, d, a, x[i + 3], that.r1Shifts[3], -1044525330); a = that.md5_f(a, b, c, d, x[i + 4], that.r1Shifts[4], -176418897); d = that.md5_f(d, a, b, c, x[i + 5], that.r1Shifts[5], 1200080426); c = that.md5_f(c, d, a, b, x[i + 6], that.r1Shifts[6], -1473231341); b = that.md5_f(b, c, d, a, x[i + 7], that.r1Shifts[7], -45705983); a = that.md5_f(a, b, c, d, x[i + 8], that.r1Shifts[8], 1770035416); d = that.md5_f(d, a, b, c, x[i + 9], that.r1Shifts[9], -1958414417); c = that.md5_f(c, d, a, b, x[i + 10], that.r1Shifts[10], -42063); b = that.md5_f(b, c, d, a, x[i + 11], that.r1Shifts[11], -1990404162); a = that.md5_f(a, b, c, d, x[i + 12], that.r1Shifts[12], 1804603682); d = that.md5_f(d, a, b, c, x[i + 13], that.r1Shifts[13], -40341101); c = that.md5_f(c, d, a, b, x[i + 14], that.r1Shifts[14], -1502002290); b = that.md5_f(b, c, d, a, x[i + 15], that.r1Shifts[15], 1236535329); a = that.md5_g(a, b, c, d, x[i + 1], that.r2Shifts[0], -165796510); d = that.md5_g(d, a, b, c, x[i + 6], that.r2Shifts[1], -1069501632); c = that.md5_g(c, d, a, b, x[i + 11], that.r2Shifts[2], 643717713); b = that.md5_g(b, c, d, a, x[i + 0], that.r2Shifts[3], -373897302); a = that.md5_g(a, b, c, d, x[i + 5], that.r2Shifts[4], -701558691); d = that.md5_g(d, a, b, c, x[i + 10], that.r2Shifts[5], 38016083); c = that.md5_g(c, d, a, b, x[i + 15], that.r2Shifts[6], -660478335); b = that.md5_g(b, c, d, a, x[i + 4], that.r2Shifts[7], -405537848); a = that.md5_g(a, b, c, d, x[i + 9], that.r2Shifts[8], 568446438); d = that.md5_g(d, a, b, c, x[i + 14], that.r2Shifts[9], -1019803690); c = that.md5_g(c, d, a, b, x[i + 3], that.r2Shifts[10], -187363961); b = that.md5_g(b, c, d, a, x[i + 8], that.r2Shifts[11], 1163531501); a = that.md5_g(a, b, c, d, x[i + 13], that.r2Shifts[12], -1444681467); d = that.md5_g(d, a, b, c, x[i + 2], that.r2Shifts[13], -51403784); c = that.md5_g(c, d, a, b, x[i + 7], that.r2Shifts[14], 1735328473); b = that.md5_g(b, c, d, a, x[i + 12], that.r2Shifts[15], -1926607734); a = that.md5_h(a, b, c, d, x[i + 5], that.r3Shifts[0], -378558); d = that.md5_h(d, a, b, c, x[i + 8], that.r3Shifts[1], -2022574463); c = that.md5_h(c, d, a, b, x[i + 11], that.r2Shifts[2], 1839030562); b = that.md5_h(b, c, d, a, x[i + 14], that.r3Shifts[3], -35309556); a = that.md5_h(a, b, c, d, x[i + 1], that.r3Shifts[4], -1530992060); d = that.md5_h(d, a, b, c, x[i + 4], that.r3Shifts[5], 1272893353); c = that.md5_h(c, d, a, b, x[i + 7], that.r3Shifts[6], -155497632); b = that.md5_h(b, c, d, a, x[i + 10], that.r3Shifts[7], -1094730640); a = that.md5_h(a, b, c, d, x[i + 13], that.r3Shifts[8], 681279174); d = that.md5_h(d, a, b, c, x[i + 0], that.r3Shifts[9], -358537222); c = that.md5_h(c, d, a, b, x[i + 3], that.r3Shifts[10], -722521979); b = that.md5_h(b, c, d, a, x[i + 6], that.r3Shifts[11], 76029189); a = that.md5_h(a, b, c, d, x[i + 9], that.r3Shifts[12], -640364487); d = that.md5_h(d, a, b, c, x[i + 12], that.r3Shifts[13], -421815835); c = that.md5_h(c, d, a, b, x[i + 15], that.r3Shifts[14], 530742520); b = that.md5_h(b, c, d, a, x[i + 2], that.r3Shifts[15], -995338651); a = that.md5_i(a, b, c, d, x[i + 0], that.r4Shifts[0], -198630844); d = that.md5_i(d, a, b, c, x[i + 7], that.r4Shifts[1], 1126891415); c = that.md5_i(c, d, a, b, x[i + 14], that.r4Shifts[2], -1416354905); b = that.md5_i(b, c, d, a, x[i + 5], that.r4Shifts[3], -57434055); a = that.md5_i(a, b, c, d, x[i + 12], that.r4Shifts[4], 1700485571); d = that.md5_i(d, a, b, c, x[i + 3], that.r4Shifts[5], -1894986606); c = that.md5_i(c, d, a, b, x[i + 10], that.r4Shifts[6], -1051523); b = that.md5_i(b, c, d, a, x[i + 1], that.r4Shifts[7], -2054922799); a = that.md5_i(a, b, c, d, x[i + 8], that.r4Shifts[8], 1873313359); d = that.md5_i(d, a, b, c, x[i + 15], that.r4Shifts[9], -30611744); c = that.md5_i(c, d, a, b, x[i + 6], that.r4Shifts[10], -1560198380); b = that.md5_i(b, c, d, a, x[i + 13], that.r4Shifts[11], 1309151649); a = that.md5_i(a, b, c, d, x[i + 4], that.r4Shifts[12], -145523070); d = that.md5_i(d, a, b, c, x[i + 11], that.r4Shifts[13], -1120210379); c = that.md5_i(c, d, a, b, x[i + 2], that.r4Shifts[14], 718787259); b = that.md5_i(b, c, d, a, x[i + 9], that.r4Shifts[15], -343485551); b = that.md5_i(b, c, d, a, x[i + 9], that.r4Shifts[15], -343485551); a = that.add(a, tempA); b = that.add(b, tempB); c = that.add(c, tempC); d = that.add(d, tempD); } return that.numToHex(a) + that.numToHex(b) + that.numToHex(c) + that.numToHex(d); }; hasher.prototype.numToHex = function (num) { var str = ""; for (var j = 0; j <= 3; j++) { str += this.hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) + this.hex_chr.charAt((num >> (j * 8)) & 0x0F); } return str; }; hasher.prototype.chunkMessage = function (str) { var nblk = ((str.length + 8) >> 6) + 1; var blks = new Array(nblk * 16); for (var i = 0; i < nblk * 16; i++) { blks[i] = 0; } for (var i = 0; i < str.length; i++) { blks[i >> 2] |= str.charCodeAt(i) << ((i % 4) * 8); } blks[i >> 2] |= 0x80 << ((i % 4) * 8); blks[nblk * 16 - 2] = str.length * 8; return blks; }; hasher.prototype.add = function (x, y) { var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF); }; hasher.prototype.cmn = function (q, a, b, x, s, t) { return this.add(this.bitwiseRotate(this.add(this.add(a, q), this.add(x, t)), s), b); }; hasher.prototype.md5_f = function (a, b, c, d, x, s, t) { return this.cmn((b & c) | ((~b) & d), a, b, x, s, t); }; hasher.prototype.md5_g = function (a, b, c, d, x, s, t) { return this.cmn((b & d) | (c & (~d)), a, b, x, s, t); }; hasher.prototype.md5_h = function (a, b, c, d, x, s, t) { return this.cmn(b ^ c ^ d, a, b, x, s, t); }; hasher.prototype.md5_i = function (a, b, c, d, x, s, t) { return this.cmn(c ^ (b | (~d)), a, b, x, s, t); }; hasher.prototype.bitwiseRotate = function (x, c) { return (x << c) | (x >>> (32 - c)); }; return hasher; })(); module.exports = function (value) { return new hasher().md5(value); };