js-md5 - npm Package Compare versions

Comparing version 0.1.2 to 0.1.3

build/md5.min.js

@@ -1,5 +0,10 @@
-(function(r,w){var t={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],q=function(e){var a;
-a:{for(a=e.length;a--;)if(127<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]|(t[b.charAt(++c)]<<4|t[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,q,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),q=k,k=h,h=g,n=n+l+v[f]+e[m+p],l=u[f],g+=n<<l|n>>>32-l,n=q;a=a+n|0;c=c+g|0;b=b+h|0;d=d+k|0}return s(a)+s(c)+s(b)+s(d)},s=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};"undefined"!=typeof module?
-module.exports=q:r&&(r.md5=q)})(this);
+(function(m,v){var t="0123456789abcdef".split(""),u=function(h,l){var e,k=1732584193,n=4023233417,p=2562383102,q=271733878,b,d,a,c,g;if(!l&&/[^\x00-\x7F]/.test(h)){e=[];for(d=b=0;d<h.length;d++)a=h.charCodeAt(d),128>a?e[b++]=a:(2048>a?e[b++]=192|a>>6:(55296>a||57344<=a?e[b++]=224|a>>12:(a=65536+((a&1023)<<10|h.charCodeAt(++d)&1023),e[b++]=240|a>>18,e[b++]=128|a>>12&63),e[b++]=128|a>>6&63),e[b++]=128|a&63);b=e.length;d=(b+8>>6)+1<<4;a=[];for(c=0;c<d;++c)a[c]=0;for(c=0;c<b;++c)a[c>>2]|=e[c]<<((c&3)<<
+3);a[c>>2]|=128<<((c&3)<<3);a[d-2]=b<<3;e=a}else{e=h.length;b=(e+8>>6)+1<<4;d=[];for(a=0;a<b;++a)d[a]=0;for(a=0;a<e;++a)d[a>>2]|=h.charCodeAt(a)<<((a&3)<<3);d[a>>2]|=128<<((a&3)<<3);d[b-2]=e<<3;e=d}for(var f=0,m=e.length;f<m;f+=16)0===f?(b=e[f+0]-680876937,b=(b<<7|b>>>25)-271733879<<0,c=e[f+1]-117830708+(2004318071&b^-1732584194),c=(c<<12|c>>>20)+b<<0,a=e[f+2]-1126478375+((b^-271733879)&c^-271733879),a=(a<<17|a>>>15)+c<<0,d=e[f+3]-1316259209+((c^b)&a^b)):(b=k,d=n,a=p,c=q,b+=(c^d&(a^c))+e[f+0]-680876936,
+b=(b<<7|b>>>25)+d<<0,c+=(a^b&(d^a))+e[f+1]-389564586,c=(c<<12|c>>>20)+b<<0,a+=(d^c&(b^d))+e[f+2][phone],a=(a<<17|a>>>15)+c<<0,d+=(b^a&(c^b))+e[f+3]-1044525330),d=(d<<22|d>>>10)+a<<0,b+=(c^d&(a^c))+e[f+4]-176418897,b=(b<<7|b>>>25)+d<<0,c+=(a^b&(d^a))+e[f+5][phone],c=(c<<12|c>>>20)+b<<0,a+=(d^c&(b^d))+e[f+6]-1473231341,a=(a<<17|a>>>15)+c<<0,d+=(b^a&(c^b))+e[f+7]-45705983,d=(d<<22|d>>>10)+a<<0,b+=(c^d&(a^c))+e[f+8][phone],b=(b<<7|b>>>25)+d<<0,c+=(a^b&(d^a))+e[f+9]-1958414417,c=(c<<12|c>>>
+20)+b<<0,a+=(d^c&(b^d))+e[f+10]-42063,a=(a<<17|a>>>15)+c<<0,d+=(b^a&(c^b))+e[f+11]-1990404162,d=(d<<22|d>>>10)+a<<0,b+=(c^d&(a^c))+e[f+12][phone],b=(b<<7|b>>>25)+d<<0,c+=(a^b&(d^a))+e[f+13]-40341101,c=(c<<12|c>>>20)+b<<0,a+=(d^c&(b^d))+e[f+14]-1502002290,a=(a<<17|a>>>15)+c<<0,d+=(b^a&(c^b))+e[f+15][phone],d=(d<<22|d>>>10)+a<<0,b+=(a^c&(d^a))+e[f+1]-165796510,b=(b<<5|b>>>27)+d<<0,c+=(d^a&(b^d))+e[f+6]-1069501632,c=(c<<9|c>>>23)+b<<0,a+=(b^d&(c^b))+e[f+11][phone],a=(a<<14|a>>>18)+c<<0,d+=
+(c^b&(a^c))+e[f+0]-373897302,d=(d<<20|d>>>12)+a<<0,b+=(a^c&(d^a))+e[f+5]-701558691,b=(b<<5|b>>>27)+d<<0,c+=(d^a&(b^d))+e[f+10][phone],c=(c<<9|c>>>23)+b<<0,a+=(b^d&(c^b))+e[f+15]-660478335,a=(a<<14|a>>>18)+c<<0,d+=(c^b&(a^c))+e[f+4]-405537848,d=(d<<20|d>>>12)+a<<0,b+=(a^c&(d^a))+e[f+9][phone],b=(b<<5|b>>>27)+d<<0,c+=(d^a&(b^d))+e[f+14]-1019803690,c=(c<<9|c>>>23)+b<<0,a+=(b^d&(c^b))+e[f+3]-187363961,a=(a<<14|a>>>18)+c<<0,d+=(c^b&(a^c))+e[f+8][phone],d=(d<<20|d>>>12)+a<<0,b+=(a^c&(d^a))+e[f+
+13]-1444681467,b=(b<<5|b>>>27)+d<<0,c+=(d^a&(b^d))+e[f+2]-51403784,c=(c<<9|c>>>23)+b<<0,a+=(b^d&(c^b))+e[f+7][phone],a=(a<<14|a>>>18)+c<<0,d+=(c^b&(a^c))+e[f+12]-1926607734,d=(d<<20|d>>>12)+a<<0,g=d^a,b+=(g^c)+e[f+5]-378558,b=(b<<4|b>>>28)+d<<0,g=d^a,c+=(g^b)+e[f+8]-2022574463,c=(c<<11|c>>>21)+b<<0,g=c^b,a+=(g^d)+e[f+11][phone],a=(a<<16|a>>>16)+c<<0,g=c^b,d+=(g^a)+e[f+14]-35309556,d=(d<<23|d>>>9)+a<<0,g=d^a,b+=(g^c)+e[f+1]-1530992060,b=(b<<4|b>>>28)+d<<0,g=d^a,c+=(g^b)+e[f+4][phone],c=
+(c<<11|c>>>21)+b<<0,g=c^b,a+=(g^d)+e[f+7]-155497632,a=(a<<16|a>>>16)+c<<0,g=c^b,d+=(g^a)+e[f+10]-1094730640,d=(d<<23|d>>>9)+a<<0,g=d^a,b+=(g^c)+e[f+13][phone],b=(b<<4|b>>>28)+d<<0,g=d^a,c+=(g^b)+e[f+0]-358537222,c=(c<<11|c>>>21)+b<<0,g=c^b,a+=(g^d)+e[f+3]-722521979,a=(a<<16|a>>>16)+c<<0,g=c^b,d+=(g^a)+e[f+6][phone],d=(d<<23|d>>>9)+a<<0,g=d^a,b+=(g^c)+e[f+9]-640364487,b=(b<<4|b>>>28)+d<<0,g=d^a,c+=(g^b)+e[f+12]-421815835,c=(c<<11|c>>>21)+b<<0,g=c^b,a+=(g^d)+e[f+15][phone],a=(a<<16|a>>>16)+
+c<<0,g=c^b,d+=(g^a)+e[f+2]-995338651,d=(d<<23|d>>>9)+a<<0,b+=(a^(d|~c))+e[f+0]-198630844,b=(b<<6|b>>>26)+d<<0,c+=(d^(b|~a))+e[f+7][phone],c=(c<<10|c>>>22)+b<<0,a+=(b^(c|~d))+e[f+14]-1416354905,a=(a<<15|a>>>17)+c<<0,d+=(c^(a|~b))+e[f+5]-57434055,d=(d<<21|d>>>11)+a<<0,b+=(a^(d|~c))+e[f+12][phone],b=(b<<6|b>>>26)+d<<0,c+=(d^(b|~a))+e[f+3]-1894986606,c=(c<<10|c>>>22)+b<<0,a+=(b^(c|~d))+e[f+10]-1051523,a=(a<<15|a>>>17)+c<<0,d+=(c^(a|~b))+e[f+1]-2054922799,d=(d<<21|d>>>11)+a<<0,b+=(a^(d|~c))+e[f+
+8][phone],b=(b<<6|b>>>26)+d<<0,c+=(d^(b|~a))+e[f+15]-30611744,c=(c<<10|c>>>22)+b<<0,a+=(b^(c|~d))+e[f+6]-1560198380,a=(a<<15|a>>>17)+c<<0,d+=(c^(a|~b))+e[f+13][phone],d=(d<<21|d>>>11)+a<<0,b+=(a^(d|~c))+e[f+4]-145523070,b=(b<<6|b>>>26)+d<<0,c+=(d^(b|~a))+e[f+11]-1120210379,c=(c<<10|c>>>22)+b<<0,a+=(b^(c|~d))+e[f+2][phone],a=(a<<15|a>>>17)+c<<0,d+=(c^(a|~b))+e[f+9]-343485551,d=(d<<21|d>>>11)+a<<0,k=k+b<<0,n=n+d<<0,p=p+a<<0,q=q+c<<0;return r(k)+r(n)+r(p)+r(q)},r=function(h){for(var l="",
+e=0;4>e;e++)var k=e<<3,l=l+(t[h>>k+4&15]+t[h>>k&15]);return l};"undefined"!=typeof module?module.exports=u:m&&(m.md5=u)})(this);

CHANGELOG.md

@@ -0,1 +1,9 @@
+# v0.1.3 / 2015-01-05
+
+* Improve performance.
+* Add bower package.
+* Fixed JSHint warnings.
+* Add travis.
+* Add coveralls.
+
 # v0.1.2 / 2014-07-27
@@ -2,0 +10,0 @@

LICENSE.txt

@@ -1,2 +0,2 @@
-Copyright 2014 [e-mail]
+Copyright 2014-2015 [e-mail]
 
@@ -3,0 +3,0 @@ Permission is hereby granted, free of charge, to any person obtaining

package.json

 {
   "name": "js-md5",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "A simple MD5 hash function for JavaScript supports UTF-8 encoding.",
   "main": "src/md5.js",
+  "devDependencies": {
+    "expect.js": "~0.3.1",
+    "jscoverage": "~0.5.9"
+  },
   "scripts": {
-    "test": "node tests/node-test.js"
+    "test": "mocha tests/node-test.js -r jscoverage",
+    "coveralls": "mocha tests/node-test.js -R mocha-lcov-reporter -r jscoverage | coveralls"
   },
@@ -9,0 +14,0 @@ "repository": {

README.md

 # js-md5
+[![Build Status](https://api.travis-ci.org/emn178/js-md5.png)](https://travis-ci.org/emn178/js-md5)
+[![Build Status](https://coveralls.io/repos/emn178/js-md5/badge.png?branch=master)](https://coveralls.io/r/emn178/js-md5?branch=master)  
+[![NPM](https://nodei.co/npm/js-md5.png?stars&downloads)](https://nodei.co/npm/js-md5/)  
 A simple MD5 hash function for JavaScript supports UTF-8 encoding.
 
+## Demo
+[MD5 Online](http://emn178.github.io/online-tools/md5.html)  
+
+## Download
+[Compress](https://raw.github.com/emn178/js-md5/master/build/md5.min.js)  
+[Uncompress](https://raw.github.com/emn178/js-md5/master/src/md5.js)
+
 ## Install
+You can also install js-md5 by using Bower.
+
+    bower install js-md5
+
 For node.js, you can use this command to install:
@@ -10,2 +24,6 @@
 ## Usage
+You could use like this:
+```JavaScript
+md5('Message to hash');
+```
 If you use node.js, you should require the module first:
@@ -15,6 +33,17 @@ ```JavaScript
 ```
-And you could use like this:
-```JavaScript
-md5('Message to hash');
-```
+
+### Methods
+
+#### md5(str, asciiOnly)
+
+Hash string to md5, set asciiOnly to true for better performace if you ensure input is ascii.
+
+##### *str: `String`*
+
+String to hash.
+
+##### *asciiOnly: `Boolean` (default: `false`)*
+
+Specify the string encoding is ASCII.
+
 ## Example
@@ -24,4 +53,4 @@ Code
 md5('');
-md5('The quick brown fox jumps over the lazy dog');
-md5('The quick brown fox jumps over the lazy dog.');
+md5('The quick brown fox jumps over the lazy dog', true);
+md5('The quick brown fox jumps over the lazy dog.', true);
 ```
@@ -44,11 +73,6 @@ Output
 
-## Tests
-You can open `tests/index.html` in browser or use node.js to run test
+## Benchmark
+[ASCII](http://jsperf.com/md5-ascii/4)  
+[UTF8](http://jsperf.com/md5-utf8/3)
 
-    node tests/node-test.js
-
-or
-
-    npm test
-
 ## Extensions
@@ -55,0 +79,0 @@ ### jQuery

src/md5.js

 /*
- * js-md5 v0.1.2
+ * js-md5 v0.1.3
  * https://github.com/emn178/js-md5
  *
- * Copyright 2014, [e-mail]
+ * Copyright 2014-2015, [e-mail]
  *
@@ -10,90 +10,183 @@ * Licensed under the MIT license:
  */
-
-(function(root, undefined){
+;(function(root, undefined) {
   'use strict';
 
-  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 HEX_CHARS = '0123456789abcdef'.split('');
 
-  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 md5 = function(message, asciiOnly) {
+    var blocks, h0 = 0x67452301, h1 = 0xEFCDAB89, h2 = 0x98BADCFE, h3 = 0x10325476, 
+        a, b, c, d, bc, da;
+    if(!asciiOnly && /[^\x00-\x7F]/.test(message)) {
+      blocks = getBlocksFromUtf8(message);
+    } else {
+      blocks = getBlocksFromAscii(message);
+    }
+    for(var i = 0, length = blocks.length;i < length;i += 16) {
+      if(i === 0) {
+        a = blocks[i + 0] - 680876937;
+        a = ((a << 7 | a >>> 25) - 271733879) << 0;
+        d = blocks[i + 1] - 117830708 + ((2004318071 & a) ^ -1732584194);
+        d = ((d << 12 | d >>> 20) + a) << 0;
+        c = blocks[i + 2] - 1126478375 + (((a ^ -271733879) & d) ^ -271733879);
+        c = ((c << 17 | c >>> 15) + d) << 0;
+        b = blocks[i + 3] - 1316259209 + (((d ^ a) & c) ^ a);
+        b = ((b << 22 | b >>> 10) + c) << 0;
+      } else {
+        a = h0;
+        b = h1;
+        c = h2;
+        d = h3;
+        a += (d ^ (b & (c ^ d))) + blocks[i + 0] - 680876936;
+        a = ((a << 7 | a >>> 25) + b) << 0;
+        d += (c ^ (a & (b ^ c))) + blocks[i + 1] - 389564586;
+        d = ((d << 12 | d >>> 20) + a) << 0;
+        c += (b ^ (d & (a ^ b))) + blocks[i + 2] + 606105819;
+        c = ((c << 17 | c >>> 15) + d) << 0;
+        b += (a ^ (c & (d ^ a))) + blocks[i + 3] - 1044525330;
+        b = ((b << 22 | b >>> 10) + c) << 0;
+      }
 
-  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];
+      a += (d ^ (b & (c ^ d))) + blocks[i + 4] - 176418897;
+      a = ((a << 7 | a >>> 25) + b) << 0;
+      d += (c ^ (a & (b ^ c))) + blocks[i + 5] + 1200080426;
+      d = ((d << 12 | d >>> 20) + a) << 0;
+      c += (b ^ (d & (a ^ b))) + blocks[i + 6] - 1473231341;
+      c = ((c << 17 | c >>> 15) + d) << 0;
+      b += (a ^ (c & (d ^ a))) + blocks[i + 7] - 45705983;
+      b = ((b << 22 | b >>> 10) + c) << 0;
+      a += (d ^ (b & (c ^ d))) + blocks[i + 8] + 1770035416;
+      a = ((a << 7 | a >>> 25) + b) << 0;
+      d += (c ^ (a & (b ^ c))) + blocks[i + 9] - 1958414417;
+      d = ((d << 12 | d >>> 20) + a) << 0;
+      c += (b ^ (d & (a ^ b))) + blocks[i + 10] - 42063;
+      c = ((c << 17 | c >>> 15) + d) << 0;
+      b += (a ^ (c & (d ^ a))) + blocks[i + 11] - 1990404162;
+      b = ((b << 22 | b >>> 10) + c) << 0;
+      a += (d ^ (b & (c ^ d))) + blocks[i + 12] + 1804603682;
+      a = ((a << 7 | a >>> 25) + b) << 0;
+      d += (c ^ (a & (b ^ c))) + blocks[i + 13] - 40341101;
+      d = ((d << 12 | d >>> 20) + a) << 0;
+      c += (b ^ (d & (a ^ b))) + blocks[i + 14] - 1502002290;
+      c = ((c << 17 | c >>> 15) + d) << 0;
+      b += (a ^ (c & (d ^ a))) + blocks[i + 15] + 1236535329;
+      b = ((b << 22 | b >>> 10) + c) << 0;
+      a += (c ^ (d & (b ^ c))) + blocks[i + 1] - 165796510;
+      a = ((a << 5 | a >>> 27) + b) << 0;
+      d += (b ^ (c & (a ^ b))) + blocks[i + 6] - 1069501632;
+      d = ((d << 9 | d >>> 23) + a) << 0;
+      c += (a ^ (b & (d ^ a))) + blocks[i + 11] + 643717713;
+      c = ((c << 14 | c >>> 18) + d) << 0;
+      b += (d ^ (a & (c ^ d))) + blocks[i + 0] - 373897302;
+      b = ((b << 20 | b >>> 12) + c) << 0;
+      a += (c ^ (d & (b ^ c))) + blocks[i + 5] - 701558691;
+      a = ((a << 5 | a >>> 27) + b) << 0;
+      d += (b ^ (c & (a ^ b))) + blocks[i + 10] + 38016083;
+      d = ((d << 9 | d >>> 23) + a) << 0;
+      c += (a ^ (b & (d ^ a))) + blocks[i + 15] - 660478335;
+      c = ((c << 14 | c >>> 18) + d) << 0;
+      b += (d ^ (a & (c ^ d))) + blocks[i + 4] - 405537848;
+      b = ((b << 20 | b >>> 12) + c) << 0;
+      a += (c ^ (d & (b ^ c))) + blocks[i + 9] + 568446438;
+      a = ((a << 5 | a >>> 27) + b) << 0;
+      d += (b ^ (c & (a ^ b))) + blocks[i + 14] - 1019803690;
+      d = ((d << 9 | d >>> 23) + a) << 0;
+      c += (a ^ (b & (d ^ a))) + blocks[i + 3] - 187363961;
+      c = ((c << 14 | c >>> 18) + d) << 0;
+      b += (d ^ (a & (c ^ d))) + blocks[i + 8] + 1163531501;
+      b = ((b << 20 | b >>> 12) + c) << 0;
+      a += (c ^ (d & (b ^ c))) + blocks[i + 13] - 1444681467;
+      a = ((a << 5 | a >>> 27) + b) << 0;
+      d += (b ^ (c & (a ^ b))) + blocks[i + 2] - 51403784;
+      d = ((d << 9 | d >>> 23) + a) << 0;
+      c += (a ^ (b & (d ^ a))) + blocks[i + 7] + 1735328473;
+      c = ((c << 14 | c >>> 18) + d) << 0;
+      b += (d ^ (a & (c ^ d))) + blocks[i + 12] - 1926607734;
+      b = ((b << 20 | b >>> 12) + c) << 0;
+      bc = b ^ c;
+      a += (bc ^ d) + blocks[i + 5] - 378558;
+      a = ((a << 4 | a >>> 28) + b) << 0;
+      bc = b ^ c;
+      d += (bc ^ a) + blocks[i + 8] - 2022574463;
+      d = ((d << 11 | d >>> 21) + a) << 0;
+      da = d ^ a;
+      c += (da ^ b) + blocks[i + 11] + 1839030562;
+      c = ((c << 16 | c >>> 16) + d) << 0;
+      da = d ^ a;
+      b += (da ^ c) + blocks[i + 14] - 35309556;
+      b = ((b << 23 | b >>> 9) + c) << 0;
+      bc = b ^ c;
+      a += (bc ^ d) + blocks[i + 1] - 1530992060;
+      a = ((a << 4 | a >>> 28) + b) << 0;
+      bc = b ^ c;
+      d += (bc ^ a) + blocks[i + 4] + 1272893353;
+      d = ((d << 11 | d >>> 21) + a) << 0;
+      da = d ^ a;
+      c += (da ^ b) + blocks[i + 7] - 155497632;
+      c = ((c << 16 | c >>> 16) + d) << 0;
+      da = d ^ a;
+      b += (da ^ c) + blocks[i + 10] - 1094730640;
+      b = ((b << 23 | b >>> 9) + c) << 0;
+      bc = b ^ c;
+      a += (bc ^ d) + blocks[i + 13] + 681279174;
+      a = ((a << 4 | a >>> 28) + b) << 0;
+      bc = b ^ c;
+      d += (bc ^ a) + blocks[i + 0] - 358537222;
+      d = ((d << 11 | d >>> 21) + a) << 0;
+      da = d ^ a;
+      c += (da ^ b) + blocks[i + 3] - 722521979;
+      c = ((c << 16 | c >>> 16) + d) << 0;
+      da = d ^ a;
+      b += (da ^ c) + blocks[i + 6] + 76029189;
+      b = ((b << 23 | b >>> 9) + c) << 0;
+      bc = b ^ c;
+      a += (bc ^ d) + blocks[i + 9] - 640364487;
+      a = ((a << 4 | a >>> 28) + b) << 0;
+      bc = b ^ c;
+      d += (bc ^ a) + blocks[i + 12] - 421815835;
+      d = ((d << 11 | d >>> 21) + a) << 0;
+      da = d ^ a;
+      c += (da ^ b) + blocks[i + 15] + 530742520;
+      c = ((c << 16 | c >>> 16) + d) << 0;
+      da = d ^ a;
+      b += (da ^ c) + blocks[i + 2] - 995338651;
+      b = ((b << 23 | b >>> 9) + c) << 0;
+      a += (c ^ (b | ~d)) + blocks[i + 0] - 198630844;
+      a = ((a << 6 | a >>> 26) + b) << 0;
+      d += (b ^ (a | ~c)) + blocks[i + 7] + 1126891415;
+      d = ((d << 10 | d >>> 22) + a) << 0;
+      c += (a ^ (d | ~b)) + blocks[i + 14] - 1416354905;
+      c = ((c << 15 | c >>> 17) + d) << 0;
+      b += (d ^ (c | ~a)) + blocks[i + 5] - 57434055;
+      b = ((b << 21 | b >>> 11) + c) << 0;
+      a += (c ^ (b | ~d)) + blocks[i + 12] + 1700485571;
+      a = ((a << 6 | a >>> 26) + b) << 0;
+      d += (b ^ (a | ~c)) + blocks[i + 3] - 1894986606;
+      d = ((d << 10 | d >>> 22) + a) << 0;
+      c += (a ^ (d | ~b)) + blocks[i + 10] - 1051523;
+      c = ((c << 15 | c >>> 17) + d) << 0;
+      b += (d ^ (c | ~a)) + blocks[i + 1] - 2054922799;
+      b = ((b << 21 | b >>> 11) + c) << 0;
+      a += (c ^ (b | ~d)) + blocks[i + 8] + 1873313359;
+      a = ((a << 6 | a >>> 26) + b) << 0;
+      d += (b ^ (a | ~c)) + blocks[i + 15] - 30611744;
+      d = ((d << 10 | d >>> 22) + a) << 0;
+      c += (a ^ (d | ~b)) + blocks[i + 6] - 1560198380;
+      c = ((c << 15 | c >>> 17) + d) << 0;
+      b += (d ^ (c | ~a)) + blocks[i + 13] + 1309151649;
+      b = ((b << 21 | b >>> 11) + c) << 0;
+      a += (c ^ (b | ~d)) + blocks[i + 4] - 145523070;
+      a = ((a << 6 | a >>> 26) + b) << 0;
+      d += (b ^ (a | ~c)) + blocks[i + 11] - 1120210379;
+      d = ((d << 10 | d >>> 22) + a) << 0;
+      c += (a ^ (d | ~b)) + blocks[i + 2] + 718787259;
+      c = ((c << 15 | c >>> 17) + d) << 0;
+      b += (d ^ (c | ~a)) + blocks[i + 9] - 343485551;
+      b = ((b << 21 | b >>> 11) + c) << 0;
 
-  var md5 = function(message) {
-    var blocks = hasUTF8(message) ? UTF8toBlocks(message) : ASCIItoBlocks(message);
-    var h0 = 0x67452301;
-    var h1 = 0xEFCDAB89;
-    var h2 = 0x98BADCFE;
-    var h3 = 0x10325476;
+      h0 = (h0 + a) << 0;
+      h1 = (h1 + b) << 0;
+      h2 = (h2 + c) << 0;
+      h3 = (h3 + d) << 0;
+    }
 
-    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);
@@ -103,7 +196,6 @@ };
   var toHexString = function(num) {
-    var hex = "";
-    for(var i = 0; i < 4; i++)
-    {
+    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);
+      hex += HEX_CHARS[(num >> (offset + 4)) & 0x0F] + HEX_CHARS[(num >> offset) & 0x0F];
     }
@@ -113,11 +205,27 @@ return hex;
 
-  var hasUTF8 = function(message) {
-    var i = message.length;
-    while(i--)
-      if(message.charCodeAt(i) > 127)
-        return true;
-    return false;
+  var getBytesFromUtf8 = function(str) {
+    var bytes = [], index = 0;
+    for (var i = 0;i < str.length; i++) {
+      var c = str.charCodeAt(i);
+      if (c < 0x80) {
+        bytes[index++] = c;
+      } else if (c < 0x800) {
+        bytes[index++] = 0xc0 | (c >> 6);
+        bytes[index++] = 0x80 | (c & 0x3f);
+      } else if (c < 0xd800 || c >= 0xe000) {
+        bytes[index++] = 0xe0 | (c >> 12);
+        bytes[index++] = 0x80 | ((c >> 6) & 0x3f);
+        bytes[index++] = 0x80 | (c & 0x3f);
+      } else {
+        c = 0x10000 + (((c & 0x3ff) << 10) | (str.charCodeAt(++i) & 0x3ff));
+        bytes[index++] = 0xf0 | (c >> 18);
+        bytes[index++] = 0x80 | ((c >> 12) & 0x3f);
+        bytes[index++] = 0x80 | ((c >> 6) & 0x3f);
+        bytes[index++] = 0x80 | (c & 0x3f);
+      }
+    }
+    return bytes;
   };
 
-  var ASCIItoBlocks = function(message) {
+  var getBlocksFromAscii = function(message) {
     // a block is 32 bits(4 bytes), a chunk is 512 bits(64 bytes)
@@ -127,9 +235,10 @@ var length = message.length;
     var blockCount = chunkCount << 4; // chunkCount * 16
-    var blocks = [];
-    var i;
-    for(i = 0;i < blockCount;++i)
+    var blocks = [], 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);
+    }
+    for(i = 0;i < length;++i) {
+      blocks[i >> 2] |= message.charCodeAt(i) << ((i & 3) << 3);
+    }
+    blocks[i >> 2] |= 0x80 << ((i & 3) << 3);
     blocks[blockCount - 2] = length << 3; // length * 8
@@ -139,28 +248,24 @@ 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 getBlocksFromUtf8 = function(message) {
+    var bytes = getBytesFromUtf8(message);
+    var length = bytes.length;
+    var chunkCount = ((length + 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)
+    var blocks = [], i;
+    for(i = 0;i < blockCount;++i) {
       blocks[i] = 0;
-    blocks[blockCount - 2] = bytes << 3; // bytes * 8
+    }
+    for(i = 0;i < length;++i) {
+      blocks[i >> 2] |= bytes[i] << ((i & 3) << 3);
+    }
+    blocks[i >> 2] |= 0x80 << ((i & 3) << 3);
+    blocks[blockCount - 2] = length << 3; // length * 8
     return blocks;
   };
 
-  if(typeof(module) != 'undefined')
+  if(typeof(module) != 'undefined') {
     module.exports = md5;
-  else if(root)
+  } else if(root) {
     root.md5 = md5;
+  }
 }(this));

tests/node-test.js

 md5 = require('../src/md5.js');
-require('./debug.js');
+expect = require('expect.js');
 require('./test.js');

tests/test.js

@@ -1,5 +0,30 @@
-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.'));
-assert('md5 4', 'a7bac2239fcdcb3a067903d8077c4a07', md5('中文'));
-assert('md5 5', 'ec3edbf3b05a449fc206a0138c739c3b', md5('aécio'));
+describe('ascii', function() {
+  describe('less than 64 bytes', function() {
+    it('should be successful', function() {
+      expect(md5('')).to.be('d41d8cd98f00b204e9800998ecf8427e');
+      expect(md5('The quick brown fox jumps over the lazy dog')).to.be('9e107d9d372bb6826bd81d3542a419d6');
+      expect(md5('The quick brown fox jumps over the lazy dog.')).to.be('e4d909c290d0fb1ca068ffaddf22cbd0');
+    });
+  });
+
+  describe('more than 64 bytes', function() {
+    it('should be successful', function() {
+      expect(md5('The MD5 message-digest algorithm is a widely used cryptographic hash function producing a 128-bit (16-byte) hash value, typically expressed in text format as a 32 digit hexadecimal number. MD5 has been utilized in a wide variety of cryptographic applications, and is also commonly used to verify data integrity.')).to.be('f63872ef7bc97a8a8eadba6f0881de53');
+    });
+  });
+});
+
+describe('UTF8', function() {
+  describe('less than 64 bytes', function() {
+    it('should be successful', function() {
+      expect(md5('中文')).to.be('a7bac2239fcdcb3a067903d8077c4a07');
+      expect(md5('aécio')).to.be('ec3edbf3b05a449fc206a0138c739c3b');
+    });
+  });
+
+  describe('more than 64 bytes', function() {
+    it('should be successful', function() {
+      expect(md5('訊息摘要演算法第五版（英語：Message-Digest Algorithm 5，縮寫為MD5），是當前電腦領域用於確保資訊傳輸完整一致而廣泛使用的雜湊演算法之一（又譯雜湊演算法、摘要演算法等），主流程式語言普遍已有MD5的實作。')).to.be('ad36c9ab669a0ba9ce46d3ce9134de34');
+    });
+  });
+});

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