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"use strict";
/**
* Expose `md5omatic(str)`.
*/
module.exports = md5omatic;
/**
* Hash any string using message digest.
*
* @param {String} str
* @return {String}
* @api public
*/
function md5omatic(str) {
var x = str2blks_MD5(str);
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
for(var i=0; i<x.length; i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
a = ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = ff(c, d, a, b, x[i+10], 17, -42063);
b = ff(b, c, d, a, x[i+11], 22, -1990404162);
a = ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = ff(d, a, b, c, x[i+13], 12, -40341101);
c = ff(c, d, a, b, x[i+14], 17, -1502002290);
b = ff(b, c, d, a, x[i+15], 22, 1236535329);
a = gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = gg(c, d, a, b, x[i+11], 14, 643717713);
b = gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = gg(d, a, b, c, x[i+10], 9 , 38016083);
c = gg(c, d, a, b, x[i+15], 14, -660478335);
b = gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = gg(b, c, d, a, x[i+12], 20, -1926607734);
a = hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = hh(c, d, a, b, x[i+11], 16, 1839030562);
b = hh(b, c, d, a, x[i+14], 23, -35309556);
a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = hh(b, c, d, a, x[i+10], 23, -1094730640);
a = hh(a, b, c, d, x[i+13], 4 , 681279174);
d = hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = hh(d, a, b, c, x[i+12], 11, -421815835);
c = hh(c, d, a, b, x[i+15], 16, 530742520);
b = hh(b, c, d, a, x[i+ 2], 23, -995338651);
a = ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = ii(c, d, a, b, x[i+14], 15, -1416354905);
b = ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = ii(c, d, a, b, x[i+10], 15, -1051523);
b = ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = ii(d, a, b, c, x[i+15], 10, -30611744);
c = ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = ii(b, c, d, a, x[i+13], 21, 1309151649);
a = ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = ii(d, a, b, c, x[i+11], 10, -1120210379);
c = ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = ii(b, c, d, a, x[i+ 9], 21, -343485551);
a = addme(a, olda);
b = addme(b, oldb);
c = addme(c, oldc);
d = addme(d, oldd);
}
return rhex(a) + rhex(b) + rhex(c) + rhex(d);
};
var hex_chr = "0123456789abcdef";
function bitOR(a, b)
{
var lsb = (a & 0x1) | (b & 0x1);
var msb31 = (a >>> 1) | (b >>> 1);
return (msb31 << 1) | lsb;
}
function bitXOR(a, b)
{
var lsb = (a & 0x1) ^ (b & 0x1);
var msb31 = (a >>> 1) ^ (b >>> 1);
return (msb31 << 1) | lsb;
}
function bitAND(a, b)
{
var lsb = (a & 0x1) & (b & 0x1);
var msb31 = (a >>> 1) & (b >>> 1);
return (msb31 << 1) | lsb;
}
function addme(x, y)
{
var lsw = (x & 0xFFFF)+(y & 0xFFFF);
var msw = (x >> 16)+(y >> 16)+(lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
function rhex(num)
{
var str = "";
var j;
for(j=0; j<=3; j++)
str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) + hex_chr.charAt((num >> (j * 8)) & 0x0F);
return str;
}
function str2blks_MD5(str)
{
var nblk = ((str.length + 8) >> 6) + 1;
var blks = new Array(nblk * 16);
var i;
for(i=0; i<nblk * 16; i++)
blks[i] = 0;
for(i=0; i<str.length; i++)
blks[i >> 2] |= str.charCodeAt(i) << (((str.length * 8 + i) % 4) * 8);
blks[i >> 2] |= 0x80 << (((str.length * 8 + i) % 4) * 8);
var l = str.length * 8;
blks[nblk * 16 - 2] = (l & 0xFF);
blks[nblk * 16 - 2] |= ((l >>> 8) & 0xFF) << 8;
blks[nblk * 16 - 2] |= ((l >>> 16) & 0xFF) << 16;
blks[nblk * 16 - 2] |= ((l >>> 24) & 0xFF) << 24;
return blks;
}
function rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
function cmn(q, a, b, x, s, t)
{
return addme(rol((addme(addme(a, q), addme(x, t))), s), b);
}
function ff(a, b, c, d, x, s, t)
{
return cmn(bitOR(bitAND(b, c), bitAND((~b), d)), a, b, x, s, t);
}
function gg(a, b, c, d, x, s, t)
{
return cmn(bitOR(bitAND(b, d), bitAND(c, (~d))), a, b, x, s, t);
}
function hh(a, b, c, d, x, s, t)
{
return cmn(bitXOR(bitXOR(b, c), d), a, b, x, s, t);
}
function ii(a, b, c, d, x, s, t)
{
return cmn(bitXOR(c, bitOR(b, (~d))), a, b, x, s, t);
}
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