diff options
Diffstat (limited to 'node_modules/md5-o-matic/lib/md5omatic.js')
| -rw-r--r-- | node_modules/md5-o-matic/lib/md5omatic.js | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/node_modules/md5-o-matic/lib/md5omatic.js b/node_modules/md5-o-matic/lib/md5omatic.js new file mode 100644 index 000000000..361047c14 --- /dev/null +++ b/node_modules/md5-o-matic/lib/md5omatic.js @@ -0,0 +1,201 @@ +"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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