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Chen Yi-Cyuan 12 years ago
commit 5862c3cd82
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4
build/md5.min.js vendored
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(function(r,w){var s={0:0,1:1,2:2,3:3,4:4,5:5,6:6,7:7,8:8,9:9,a:10,b:11,c:12,d:13,e:14,f:15,A:10,B:11,C:12,D:13,E:14,F:15},u=[7,12,17,22,7,12,17,22,7,12,17,22,7,12,17,22,5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20,4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23,6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21],v=[3614090360,3905402710,606105819,3250441966,4118548399,1200080426,2821735955,4249261313,1770035416,2336552879,4294925233,2304563134,1804603682,4254626195,2792965006,1236535329,4129170786,3225465664,643717713,
3921069994,3593408605,38016083,3634488961,3889429448,568446438,3275163606,4107603335,1163531501,2850285829,4243563512,1735328473,2368359562,4294588738,2272392833,1839030562,4259657740,2763975236,1272893353,4139469664,3200236656,681279174,3936430074,3572445317,76029189,3654602809,3873151461,530742520,3299628645,4096336452,1126891415,2878612391,4237533241,1700485571,2399980690,4293915773,2240044497,1873313359,4264355552,2734768916,1309151649,4149444226,3174756917,718787259,3951481745];r.md5=function(e){var a;
a:{for(a=e.length;a--;)if(255<e.charCodeAt(a)){a=!0;break a}a=!1}if(a){var b=encodeURIComponent(e);e=[];var c=0;a=0;for(var d=b.length;c<d;++c){var m=b.charCodeAt(c);e[a>>2]=37==m?e[a>>2]|(s[b.charAt(++c)]<<4|s[b.charAt(++c)])<<(a%4<<3):e[a>>2]|m<<(a%4<<3);++a}b=(a+8>>6)+1<<4;c=a>>2;e[c]|=128<<(a%4<<3);for(c+=1;c<b;++c)e[c]=0;e[b-2]=a<<3}else{a=e.length;c=(a+8>>6)+1<<4;b=[];for(d=0;d<c;++d)b[d]=0;for(d=0;d<a;++d)b[d>>2]|=e.charCodeAt(d)<<(d%4<<3);b[d>>2]|=128<<(d%4<<3);b[c-2]=a<<3;e=b}a=1732584193;
for(var c=4023233417,b=2562383102,d=271733878,m=0,r=e.length;m<r;m+=16){for(var n=a,g=c,h=b,k=d,l,p,t,f=0;64>f;++f)16>f?(l=k^g&(h^k),p=f):32>f?(l=h^k&(g^h),p=(5*f+1)%16):48>f?(l=g^h^k,p=(3*f+5)%16):(l=h^(g|~k),p=7*f%16),t=k,k=h,h=g,n=n+l+v[f]+e[m+p],l=u[f],g+=n<<l|n>>>32-l,n=t;a=a+n|0;c=c+g|0;b=b+h|0;d=d+k|0}return q(a)+q(c)+q(b)+q(d)};var q=function(e){for(var a="",b=0;4>b;b++)var c=b<<3,a=a+("0123456789abcdef".charAt(e>>c+4&15)+"0123456789abcdef".charAt(e>>c&15));return a}})(window);

144
src/md5.js
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(function(window, undefined){
var HEX_CHARS = "0123456789abcdef";
var HEX_TABLE = {
'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9,
'a': 10, 'b': 11, 'c': 12, 'd': 13, 'e': 14, 'f': 15,
'A': 10, 'B': 11, 'C': 12, 'D': 13, 'E': 14, 'F': 15
};
var R = [7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21];
var K = [0XD76AA478, 0XE8C7B756, 0X242070DB, 0XC1BDCEEE,
0XF57C0FAF, 0X4787C62A, 0XA8304613, 0XFD469501,
0X698098D8, 0X8B44F7AF, 0XFFFF5BB1, 0X895CD7BE,
0X6B901122, 0XFD987193, 0XA679438E, 0X49B40821,
0XF61E2562, 0XC040B340, 0X265E5A51, 0XE9B6C7AA,
0XD62F105D, 0X02441453, 0XD8A1E681, 0XE7D3FBC8,
0X21E1CDE6, 0XC33707D6, 0XF4D50D87, 0X455A14ED,
0XA9E3E905, 0XFCEFA3F8, 0X676F02D9, 0X8D2A4C8A,
0XFFFA3942, 0X8771F681, 0X6D9D6122, 0XFDE5380C,
0XA4BEEA44, 0X4BDECFA9, 0XF6BB4B60, 0XBEBFBC70,
0X289B7EC6, 0XEAA127FA, 0XD4EF3085, 0X04881D05,
0XD9D4D039, 0XE6DB99E5, 0X1FA27CF8, 0XC4AC5665,
0XF4292244, 0X432AFF97, 0XAB9423A7, 0XFC93A039,
0X655B59C3, 0X8F0CCC92, 0XFFEFF47D, 0X85845DD1,
0X6FA87E4F, 0XFE2CE6E0, 0XA3014314, 0X4E0811A1,
0XF7537E82, 0XBD3AF235, 0X2AD7D2BB, 0XEB86D391];
window.md5 = function(message) {
var blocks = hasUTF8(message) ? UTF8toBlocks(message) : ASCIItoBlocks(message);
var h0 = 0x67452301;
var h1 = 0xEFCDAB89;
var h2 = 0x98BADCFE;
var h3 = 0x10325476;
for(var i = 0, length = blocks.length;i < length;i += 16)
{
var a = h0;
var b = h1;
var c = h2;
var d = h3;
var f, g, tmp, x, y;
for(var j = 0;j < 64;++j)
{
if(j < 16)
{
// f = (b & c) | ((~b) & d);
f = d ^ (b & (c ^ d));
g = j;
}
else if(j < 32)
{
// f = (d & b) | ((~d) & c);
f = c ^ (d & (b ^ c));
g = (5 * j + 1) % 16;
}
else if(j < 48)
{
f = b ^ c ^ d;
g = (3 * j + 5) % 16;
}
else
{
f = c ^ (b | (~d));
g = (7 * j) % 16;
}
tmp = d;
d = c
c = b
// leftrotate
x = (a + f + K[j] + blocks[i + g]);
y = R[j];
b += (x << y) | (x >>> (32 - y));
a = tmp;
}
h0 = (h0 + a) | 0;
h1 = (h1 + b) | 0;
h2 = (h2 + c) | 0;
h3 = (h3 + d) | 0;
}
return toHexString(h0) + toHexString(h1) + toHexString(h2) + toHexString(h3);
};
var toHexString = function(num) {
var hex = "";
for(var i = 0; i < 4; i++)
{
var offset = i << 3;
hex += HEX_CHARS.charAt((num >> (offset + 4)) & 0x0F) + HEX_CHARS.charAt((num >> offset) & 0x0F);
}
return hex;
};
var hasUTF8 = function(message) {
var i = message.length;
while(i--)
if(message.charCodeAt(i) > 255)
return true;
return false;
};
var ASCIItoBlocks = function(message) {
// a block is 32 bits(4 bytes), a chunk is 512 bits(64 bytes)
var length = message.length;
var chunkCount = ((length + 8) >> 6) + 1;
var blockCount = chunkCount << 4; // chunkCount * 16
var blocks = [];
var i;
for(i = 0;i < blockCount;++i)
blocks[i] = 0;
for(i = 0;i < length;++i)
blocks[i >> 2] |= message.charCodeAt(i) << ((i % 4) << 3);
blocks[i >> 2] |= 0x80 << ((i % 4) << 3);
blocks[blockCount - 2] = length << 3; // length * 8
return blocks;
};
var UTF8toBlocks = function(message) {
var uri = encodeURIComponent(message);
var blocks = [];
for(var i = 0, bytes = 0, length = uri.length;i < length;++i)
{
var c = uri.charCodeAt(i);
if(c == 37) // %
blocks[bytes >> 2] |= ((HEX_TABLE[uri.charAt(++i)] << 4) | HEX_TABLE[uri.charAt(++i)]) << ((bytes % 4) << 3);
else
blocks[bytes >> 2] |= c << ((bytes % 4) << 3);
++bytes;
}
var chunkCount = ((bytes + 8) >> 6) + 1;
var blockCount = chunkCount << 4; // chunkCount * 16
var index = bytes >> 2;
blocks[index] |= 0x80 << ((bytes % 4) << 3);
for(var i = index + 1;i < blockCount;++i)
blocks[i] = 0;
blocks[blockCount - 2] = bytes << 3; // bytes * 8
return blocks;
};
}(window));

35
tests/debug.js
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(function(window){
//console.time implementation for IE
if(window.console && typeof(window.console.time) == "undefined") {
console.time = function(name, reset){
if(!name) { return; }
var time = new Date().getTime();
if(!console.timeCounters) { console.timeCounters = {} };
var key = "KEY" + name.toString();
if(!reset && console.timeCounters[key]) { return; }
console.timeCounters[key] = time;
};
console.timeEnd = function(name){
var time = new Date().getTime();
if(!console.timeCounters) { return; }
var key = "KEY" + name.toString();
var timeCounter = console.timeCounters[key];
if(timeCounter) {
var diff = time - timeCounter;
var label = name + ": " + diff + "ms";
console.info(label);
delete console.timeCounters[key];
}
return diff;
};
}
var assert = function (title, expect, actual) {
if(expect == actual)
console.log(title + ': true');
else
console.log(title + ': false', 'Except:' + expect, 'Actual: ' + actual);
};
window.assert = assert;
})(window);

12
tests/index.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>MD5</title>
<script src="../src/md5.js"></script>
<script src="debug.js"></script>
<script src="test.js"></script>
</head>
<body>
</body>
</html>

4
tests/node-test.js
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window = global;
require('../src/md5.js');
require('./debug.js');
require('./test.js');

3
tests/test.js
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assert('md5 1', 'd41d8cd98f00b204e9800998ecf8427e', md5(''));
assert('md5 2', '9e107d9d372bb6826bd81d3542a419d6', md5('The quick brown fox jumps over the lazy dog'));
assert('md5 3', 'e4d909c290d0fb1ca068ffaddf22cbd0', md5('The quick brown fox jumps over the lazy dog.'));
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