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'use strict';
module.exports = function md5(str) {
// discuss at: http://locutus.io/php/md5/
// original by: Webtoolkit.info (http://www.webtoolkit.info/)
// improved by: Michael White (http://getsprink.com)
// improved by: Jack
// improved by: Kevin van Zonneveld (http://kvz.io)
// input by: Brett Zamir (http://brett-zamir.me)
// bugfixed by: Kevin van Zonneveld (http://kvz.io)
// note 1: Keep in mind that in accordance with PHP, the whole string is buffered and then
// note 1: hashed. If available, we'd recommend using Node's native crypto modules directly
// note 1: in a steaming fashion for faster and more efficient hashing
// example 1: md5('Kevin van Zonneveld')
// returns 1: '6e658d4bfcb59cc13f96c14450ac40b9'
var hash;
try {
var crypto = require('crypto');
var md5sum = crypto.createHash('md5');
md5sum.update(str);
hash = md5sum.digest('hex');
} catch (e) {
hash = undefined;
}
if (hash !== undefined) {
return hash;
}
var utf8Encode = require('../xml/utf8_encode');
var xl;
var _rotateLeft = function _rotateLeft(lValue, iShiftBits) {
return lValue << iShiftBits | lValue >>> 32 - iShiftBits;
};
var _addUnsigned = function _addUnsigned(lX, lY) {
var lX4, lY4, lX8, lY8, lResult;
lX8 = lX & 0x80000000;
lY8 = lY & 0x80000000;
lX4 = lX & 0x40000000;
lY4 = lY & 0x40000000;
lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
if (lX4 & lY4) {
return lResult ^ 0x80000000 ^ lX8 ^ lY8;
}
if (lX4 | lY4) {
if (lResult & 0x40000000) {
return lResult ^ 0xC0000000 ^ lX8 ^ lY8;
} else {
return lResult ^ 0x40000000 ^ lX8 ^ lY8;
}
} else {
return lResult ^ lX8 ^ lY8;
}
};
var _F = function _F(x, y, z) {
return x & y | ~x & z;
};
var _G = function _G(x, y, z) {
return x & z | y & ~z;
};
var _H = function _H(x, y, z) {
return x ^ y ^ z;
};
var _I = function _I(x, y, z) {
return y ^ (x | ~z);
};
var _FF = function _FF(a, b, c, d, x, s, ac) {
a = _addUnsigned(a, _addUnsigned(_addUnsigned(_F(b, c, d), x), ac));
return _addUnsigned(_rotateLeft(a, s), b);
};
var _GG = function _GG(a, b, c, d, x, s, ac) {
a = _addUnsigned(a, _addUnsigned(_addUnsigned(_G(b, c, d), x), ac));
return _addUnsigned(_rotateLeft(a, s), b);
};
var _HH = function _HH(a, b, c, d, x, s, ac) {
a = _addUnsigned(a, _addUnsigned(_addUnsigned(_H(b, c, d), x), ac));
return _addUnsigned(_rotateLeft(a, s), b);
};
var _II = function _II(a, b, c, d, x, s, ac) {
a = _addUnsigned(a, _addUnsigned(_addUnsigned(_I(b, c, d), x), ac));
return _addUnsigned(_rotateLeft(a, s), b);
};
var _convertToWordArray = function _convertToWordArray(str) {
var lWordCount;
var lMessageLength = str.length;
var lNumberOfWordsTemp1 = lMessageLength + 8;
var lNumberOfWordsTemp2 = (lNumberOfWordsTemp1 - lNumberOfWordsTemp1 % 64) / 64;
var lNumberOfWords = (lNumberOfWordsTemp2 + 1) * 16;
var lWordArray = new Array(lNumberOfWords - 1);
var lBytePosition = 0;
var lByteCount = 0;
while (lByteCount < lMessageLength) {
lWordCount = (lByteCount - lByteCount % 4) / 4;
lBytePosition = lByteCount % 4 * 8;
lWordArray[lWordCount] = lWordArray[lWordCount] | str.charCodeAt(lByteCount) << lBytePosition;
lByteCount++;
}
lWordCount = (lByteCount - lByteCount % 4) / 4;
lBytePosition = lByteCount % 4 * 8;
lWordArray[lWordCount] = lWordArray[lWordCount] | 0x80 << lBytePosition;
lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
return lWordArray;
};
var _wordToHex = function _wordToHex(lValue) {
var wordToHexValue = '';
var wordToHexValueTemp = '';
var lByte;
var lCount;
for (lCount = 0; lCount <= 3; lCount++) {
lByte = lValue >>> lCount * 8 & 255;
wordToHexValueTemp = '0' + lByte.toString(16);
wordToHexValue = wordToHexValue + wordToHexValueTemp.substr(wordToHexValueTemp.length - 2, 2);
}
return wordToHexValue;
};
var x = [];
var k;
var AA;
var BB;
var CC;
var DD;
var a;
var b;
var c;
var d;
var S11 = 7;
var S12 = 12;
var S13 = 17;
var S14 = 22;
var S21 = 5;
var S22 = 9;
var S23 = 14;
var S24 = 20;
var S31 = 4;
var S32 = 11;
var S33 = 16;
var S34 = 23;
var S41 = 6;
var S42 = 10;
var S43 = 15;
var S44 = 21;
str = utf8Encode(str);
x = _convertToWordArray(str);
a = 0x67452301;
b = 0xEFCDAB89;
c = 0x98BADCFE;
d = 0x10325476;
xl = x.length;
for (k = 0; k < xl; k += 16) {
AA = a;
BB = b;
CC = c;
DD = d;
a = _FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
d = _FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
c = _FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
b = _FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
a = _FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
d = _FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
c = _FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
b = _FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
a = _FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
d = _FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
c = _FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
b = _FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
a = _FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
d = _FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
c = _FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
b = _FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
a = _GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
d = _GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
c = _GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
b = _GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
a = _GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
d = _GG(d, a, b, c, x[k + 10], S22, 0x2441453);
c = _GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
b = _GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
a = _GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
d = _GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
c = _GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
b = _GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
a = _GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
d = _GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
c = _GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
b = _GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
a = _HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
d = _HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
c = _HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
b = _HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
a = _HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
d = _HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
c = _HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
b = _HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
a = _HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
d = _HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
c = _HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
b = _HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
a = _HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
d = _HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
c = _HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
b = _HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
a = _II(a, b, c, d, x[k + 0], S41, 0xF4292244);
d = _II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
c = _II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
b = _II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
a = _II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
d = _II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
c = _II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
b = _II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
a = _II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
d = _II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
c = _II(c, d, a, b, x[k + 6], S43, 0xA3014314);
b = _II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
a = _II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
d = _II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
c = _II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
b = _II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
a = _addUnsigned(a, AA);
b = _addUnsigned(b, BB);
c = _addUnsigned(c, CC);
d = _addUnsigned(d, DD);
}
var temp = _wordToHex(a) + _wordToHex(b) + _wordToHex(c) + _wordToHex(d);
return temp.toLowerCase();
};
//# sourceMappingURL=md5.js.map
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