js_spark-md5.min.js

(function(factory) {
    if (typeof exports === "object") {
        module.exports = factory()
    } else if (typeof define === "function" && define.amd) {
        define(factory)
    } else {
        var glob;
        try {
            glob = window
        } catch (e) {
            glob = self
        }
        glob.SparkMD5 = factory()
    }
})(function(undefined) {
    "use strict";
    var add32 = function(a, b) {
            return a + b & 4294967295
        },
        hex_chr = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"];

    function cmn(q, a, b, x, s, t) {
        a = add32(add32(a, q), add32(x, t));
        return add32(a << s | a >>> 32 - s, b)
    }

    function md5cycle(x, k) {
        var a = x[0],
            b = x[1],
            c = x[2],
            d = x[3];
        a += (b & c | ~b & d) + k[0] - 680876936 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[1] - 389564586 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[2] + 606105819 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & c | ~b & d) + k[4] - 176418897 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[7] - 45705983 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[10] - 42063 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[13] - 40341101 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & d | c & ~d) + k[1] - 165796510 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[11] + 643717713 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[0] - 373897302 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b & d | c & ~d) + k[5] - 701558691 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[10] + 38016083 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[15] - 660478335 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[4] - 405537848 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b & d | c & ~d) + k[9] + 568446438 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[3] - 187363961 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[2] - 51403784 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b ^ c ^ d) + k[5] - 378558 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[14] - 35309556 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[7] - 155497632 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (b ^ c ^ d) + k[13] + 681279174 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[0] - 358537222 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[3] - 722521979 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[6] + 76029189 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (b ^ c ^ d) + k[9] - 640364487 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[12] - 421815835 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[15] + 530742520 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[2] - 995338651 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        x[0] = a + x[0] | 0;
        x[1] = b + x[1] | 0;
        x[2] = c + x[2] | 0;
        x[3] = d + x[3] | 0
    }

    function md5blk(s) {
        var md5blks = [],
            i;
        for (i = 0; i < 64; i += 4) {
            md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24)
        }
        return md5blks
    }

    function md5blk_array(a) {
        var md5blks = [],
            i;
        for (i = 0; i < 64; i += 4) {
            md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24)
        }
        return md5blks
    }

    function md51(s) {
        var n = s.length,
            state = [1732584193, -271733879, -1732584194, 271733878],
            i, length, tail, tmp, lo, hi;
        for (i = 64; i <= n; i += 64) {
            md5cycle(state, md5blk(s.substring(i - 64, i)))
        }
        s = s.substring(i - 64);
        length = s.length;
        tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
        for (i = 0; i < length; i += 1) {
            tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3)
        }
        tail[i >> 2] |= 128 << (i % 4 << 3);
        if (i > 55) {
            md5cycle(state, tail);
            for (i = 0; i < 16; i += 1) {
                tail[i] = 0
            }
        }
        tmp = n * 8;
        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
        lo = parseInt(tmp[2], 16);
        hi = parseInt(tmp[1], 16) || 0;
        tail[14] = lo;
        tail[15] = hi;
        md5cycle(state, tail);
        return state
    }

    function md51_array(a) {
        var n = a.length,
            state = [1732584193, -271733879, -1732584194, 271733878],
            i, length, tail, tmp, lo, hi;
        for (i = 64; i <= n; i += 64) {
            md5cycle(state, md5blk_array(a.subarray(i - 64, i)))
        }
        a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
        length = a.length;
        tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
        for (i = 0; i < length; i += 1) {
            tail[i >> 2] |= a[i] << (i % 4 << 3)
        }
        tail[i >> 2] |= 128 << (i % 4 << 3);
        if (i > 55) {
            md5cycle(state, tail);
            for (i = 0; i < 16; i += 1) {
                tail[i] = 0
            }
        }
        tmp = n * 8;
        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
        lo = parseInt(tmp[2], 16);
        hi = parseInt(tmp[1], 16) || 0;
        tail[14] = lo;
        tail[15] = hi;
        md5cycle(state, tail);
        return state
    }

    function rhex(n) {
        var s = "",
            j;
        for (j = 0; j < 4; j += 1) {
            s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15]
        }
        return s
    }

    function hex(x) {
        var i;
        for (i = 0; i < x.length; i += 1) {
            x[i] = rhex(x[i])
        }
        return x.join("")
    }
    if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") {
        add32 = function(x, y) {
            var lsw = (x & 65535) + (y & 65535),
                msw = (x >> 16) + (y >> 16) + (lsw >> 16);
            return msw << 16 | lsw & 65535
        }
    }
    if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {
        (function() {
            function clamp(val, length) {
                val = val | 0 || 0;
                if (val < 0) {
                    return Math.max(val + length, 0)
                }
                return Math.min(val, length)
            }
            ArrayBuffer.prototype.slice = function(from, to) {
                var length = this.byteLength,
                    begin = clamp(from, length),
                    end = length,
                    num, target, targetArray, sourceArray;
                if (to !== undefined) {
                    end = clamp(to, length)
                }
                if (begin > end) {
                    return new ArrayBuffer(0)
                }
                num = end - begin;
                target = new ArrayBuffer(num);
                targetArray = new Uint8Array(target);
                sourceArray = new Uint8Array(this, begin, num);
                targetArray.set(sourceArray);
                return target
            }
        })()
    }

    function toUtf8(str) {
        if (/[\u0080-\uFFFF]/.test(str)) {
            str = unescape(encodeURIComponent(str))
        }
        return str
    }

    function utf8Str2ArrayBuffer(str, returnUInt8Array) {
        var length = str.length,
            buff = new ArrayBuffer(length),
            arr = new Uint8Array(buff),
            i;
        for (i = 0; i < length; i += 1) {
            arr[i] = str.charCodeAt(i)
        }
        return returnUInt8Array ? arr : buff
    }

    function arrayBuffer2Utf8Str(buff) {
        return String.fromCharCode.apply(null, new Uint8Array(buff))
    }

    function concatenateArrayBuffers(first, second, returnUInt8Array) {
        var result = new Uint8Array(first.byteLength + second.byteLength);
        result.set(new Uint8Array(first));
        result.set(new Uint8Array(second), first.byteLength);
        return returnUInt8Array ? result : result.buffer
    }

    function hexToBinaryString(hex) {
        var bytes = [],
            length = hex.length,
            x;
        for (x = 0; x < length - 1; x += 2) {
            bytes.push(parseInt(hex.substr(x, 2), 16))
        }
        return String.fromCharCode.apply(String, bytes)
    }

    function SparkMD5() {
        this.reset()
    }
    SparkMD5.prototype.append = function(str) {
        this.appendBinary(toUtf8(str));
        return this
    };
    SparkMD5.prototype.appendBinary = function(contents) {
        this._buff += contents;
        this._length += contents.length;
        var length = this._buff.length,
            i;
        for (i = 64; i <= length; i += 64) {
            md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)))
        }
        this._buff = this._buff.substring(i - 64);
        return this
    };
    SparkMD5.prototype.end = function(raw) {
        var buff = this._buff,
            length = buff.length,
            i, tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
            ret;
        for (i = 0; i < length; i += 1) {
            tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3)
        }
        this._finish(tail, length);
        ret = hex(this._hash);
        if (raw) {
            ret = hexToBinaryString(ret)
        }
        this.reset();
        return ret
    };
    SparkMD5.prototype.reset = function() {
        this._buff = "";
        this._length = 0;
        this._hash = [1732584193, -271733879, -1732584194, 271733878];
        return this
    };
    SparkMD5.prototype.getState = function() {
        return {
            buff: this._buff,
            length: this._length,
            hash: this._hash.slice()
        }
    };
    SparkMD5.prototype.setState = function(state) {
        this._buff = state.buff;
        this._length = state.length;
        this._hash = state.hash;
        return this
    };
    SparkMD5.prototype.destroy = function() {
        delete this._hash;
        delete this._buff;
        delete this._length
    };
    SparkMD5.prototype._finish = function(tail, length) {
        var i = length,
            tmp, lo, hi;
        tail[i >> 2] |= 128 << (i % 4 << 3);
        if (i > 55) {
            md5cycle(this._hash, tail);
            for (i = 0; i < 16; i += 1) {
                tail[i] = 0
            }
        }
        tmp = this._length * 8;
        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
        lo = parseInt(tmp[2], 16);
        hi = parseInt(tmp[1], 16) || 0;
        tail[14] = lo;
        tail[15] = hi;
        md5cycle(this._hash, tail)
    };
    SparkMD5.hash = function(str, raw) {
        return SparkMD5.hashBinary(toUtf8(str), raw)
    };
    SparkMD5.hashBinary = function(content, raw) {
        var hash = md51(content),
            ret = hex(hash);
        return raw ? hexToBinaryString(ret) : ret
    };
    SparkMD5.ArrayBuffer = function() {
        this.reset()
    };
    SparkMD5.ArrayBuffer.prototype.append = function(arr) {
        var buff = concatenateArrayBuffers(this._buff.buffer, arr, true),
            length = buff.length,
            i;
        this._length += arr.byteLength;
        for (i = 64; i <= length; i += 64) {
            md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)))
        }
        this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
        return this
    };
    SparkMD5.ArrayBuffer.prototype.end = function(raw) {
        var buff = this._buff,
            length = buff.length,
            tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
            i, ret;
        for (i = 0; i < length; i += 1) {
            tail[i >> 2] |= buff[i] << (i % 4 << 3)
        }
        this._finish(tail, length);
        ret = hex(this._hash);
        if (raw) {
            ret = hexToBinaryString(ret)
        }
        this.reset();
        return ret
    };
    SparkMD5.ArrayBuffer.prototype.reset = function() {
        this._buff = new Uint8Array(0);
        this._length = 0;
        this._hash = [1732584193, -271733879, -1732584194, 271733878];
        return this
    };
    SparkMD5.ArrayBuffer.prototype.getState = function() {
        var state = SparkMD5.prototype.getState.call(this);
        state.buff = arrayBuffer2Utf8Str(state.buff);
        return state
    };
    SparkMD5.ArrayBuffer.prototype.setState = function(state) {
        state.buff = utf8Str2ArrayBuffer(state.buff, true);
        return SparkMD5.prototype.setState.call(this, state)
    };
    SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
    SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
    SparkMD5.ArrayBuffer.hash = function(arr, raw) {
        var hash = md51_array(new Uint8Array(arr)),
            ret = hex(hash);
        return raw ? hexToBinaryString(ret) : ret
    };
    return SparkMD5
});