update README

* Improve performance for node.js.

.travis.yml

@@ -3,10 +3,8 @@ node_js:
   - "0.11"
   - "0.10"
   - "0.8"
-install:
+before_install:
   - npm install mocha -g
   - npm install coveralls -g
   - npm install mocha-lcov-reporter -g
-  - npm install
+script: npm run-script coveralls
-script:
-  - npm run-script coveralls

CHANGELOG.md

@@ -1,3 +1,22 @@
+# v0.2.2 / 2015-02-01
+
+* Fixed bug when special length.
+* Improve performance for node.js.
+
+# v0.2.1 / 2015-01-13
+
+* Improve performance.
+
+# v0.2.0 / 2015-01-12
+
+* Remove ascii parameter.
+* Improve performance.
+
+# v0.1.4 / 2015-01-11
+
+* Improve performance.
+* Add test case.
+
 # v0.1.3 / 2015-01-05
 
 * Improve performance.

README.md

@@ -1,8 +1,8 @@
 # js-md5
-A simple MD5 hash function for JavaScript supports UTF-8 encoding.
+[![Build Status](https://travis-ci.org/emn178/js-md5.svg?branch=master)](https://travis-ci.org/emn178/js-md5)
-[![Build Status](https://api.travis-ci.org/emn178/js-md5.png)](https://travis-ci.org/emn178/js-md5)
+[![Coverage Status](https://coveralls.io/repos/emn178/js-md5/badge.svg?branch=master)](https://coveralls.io/r/emn178/js-md5?branch=master)  
-[![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)  
@@ -11,10 +11,10 @@ A simple MD5 hash function for JavaScript supports UTF-8 encoding.
 [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
+## Installation
 You can also install js-md5 by using Bower.
 
-    bower install js-md5
+    bower install md5
 
 For node.js, you can use this command to install:
 
@@ -30,20 +30,6 @@ If you use node.js, you should require the module first:
 md5 = require('js-md5');
 ```
 
-### 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
 Code
 ```JavaScript
@@ -68,8 +54,8 @@ Output
     a7bac2239fcdcb3a067903d8077c4a07
 
 ## Benchmark
-[ASCII](http://jsperf.com/md5-ascii/4)  
+[UTF8](http://jsperf.com/md5-shootout/81)  
-[UTF8](http://jsperf.com/md5-utf8/3)
+[ASCII](http://jsperf.com/md5-shootout/82)
 
 ## Extensions
 ### jQuery

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "js-md5",
-  "version": "0.1.3",
+  "version": "0.2.2",
   "main": ["build/md5.min.js"],
   "ignore": [
     "samples",

build/md5.min.js

@@ -1,10 +1,12 @@
-(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)<<
+(function(p,E){var u="undefined"!=typeof module;u&&(p=global,p.JS_MD5_TEST&&(p.navigator={userAgent:"Firefox"}));var B=(p.JS_MD5_TEST||!u)&&-1!=navigator.userAgent.indexOf("Firefox"),y=!p.JS_MD5_TEST&&"undefined"!=typeof ArrayBuffer,f="0123456789abcdef".split(""),C=[128,32768,8388608,-2147483648],t=[0,8,16,24],e=[],r;if(y){var z=new ArrayBuffer(68);r=new Uint8Array(z);e=new Uint32Array(z)}var A=function(g){var k,l,m,n,b,a,d,c,h,p=!0,u=!1,q=0,v=0,x=0,w=g.length;e[16]=0;do{e[0]=e[16];e[16]=e[1]=e[2]=
-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,
+e[3]=e[4]=e[5]=e[6]=e[7]=e[8]=e[9]=e[10]=e[11]=e[12]=e[13]=e[14]=e[15]=0;if(y)for(a=v;q<w&&64>a;++q)b=g.charCodeAt(q),128>b?r[a++]=b:(2048>b?r[a++]=192|b>>6:(55296>b||57344<=b?r[a++]=224|b>>12:(b=65536+((b&1023)<<10|g.charCodeAt(++q)&1023),r[a++]=240|b>>18,r[a++]=128|b>>12&63),r[a++]=128|b>>6&63),r[a++]=128|b&63);else for(a=v;q<w&&64>a;++q)b=g.charCodeAt(q),128>b?e[a>>2]|=b<<t[a++&3]:(2048>b?e[a>>2]|=(192|b>>6)<<t[a++&3]:(55296>b||57344<=b?e[a>>2]|=(224|b>>12)<<t[a++&3]:(b=65536+((b&1023)<<10|g.charCodeAt(++q)&
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-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);
+145523070;b=(b<<6|b>>>26)+a<<0;c+=(a^(b|~d))+e[11]-1120210379;c=(c<<10|c>>>22)+b<<0;d+=(b^(c|~a))+e[2]+718787259;d=(d<<15|d>>>17)+c<<0;a+=(c^(d|~b))+e[9]-343485551;a=(a<<21|a>>>11)+d<<0;p?(k=b+1732584193<<0,l=a-271733879<<0,m=d-1732584194<<0,n=c+271733878<<0,p=!1):(k=k+b<<0,l=l+a<<0,m=m+d<<0,n=n+c<<0)}while(!u);return B?(g=f[k>>4&15]+f[k&15],g+=f[k>>12&15]+f[k>>8&15],g+=f[k>>20&15]+f[k>>16&15],g+=f[k>>28&15]+f[k>>24&15],g+=f[l>>4&15]+f[l&15],g+=f[l>>12&15]+f[l>>8&15],g+=f[l>>20&15]+f[l>>16&15],g+=
+f[l>>28&15]+f[l>>24&15],g+=f[m>>4&15]+f[m&15],g+=f[m>>12&15]+f[m>>8&15],g+=f[m>>20&15]+f[m>>16&15],g+=f[m>>28&15]+f[m>>24&15],g+=f[n>>4&15]+f[n&15],g+=f[n>>12&15]+f[n>>8&15],g+=f[n>>20&15]+f[n>>16&15],g+=f[n>>28&15]+f[n>>24&15]):f[k>>4&15]+f[k&15]+f[k>>12&15]+f[k>>8&15]+f[k>>20&15]+f[k>>16&15]+f[k>>28&15]+f[k>>24&15]+f[l>>4&15]+f[l&15]+f[l>>12&15]+f[l>>8&15]+f[l>>20&15]+f[l>>16&15]+f[l>>28&15]+f[l>>24&15]+f[m>>4&15]+f[m&15]+f[m>>12&15]+f[m>>8&15]+f[m>>20&15]+f[m>>16&15]+f[m>>28&15]+f[m>>24&15]+f[n>>
+4&15]+f[n&15]+f[n>>12&15]+f[n>>8&15]+f[n>>20&15]+f[n>>16&15]+f[n>>28&15]+f[n>>24&15]};if(!p.JS_MD5_TEST&&u){var D=require("crypto");module.exports=function(e){return 80>=e.length||183>=e.length&&!/[^\x00-\x7F]/.test(e)?A(e):D.createHash("md5").update(e,"utf8").digest("hex")}}else p&&(p.md5=A)})(this);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "js-md5",
-  "version": "0.1.3",
+  "version": "0.2.2",
   "description": "A simple MD5 hash function for JavaScript supports UTF-8 encoding.",
   "main": "src/md5.js",
   "devDependencies": {

src/md5.js

@@ -1,5 +1,5 @@
 /*
- * js-md5 v0.1.3
+ * js-md5 v0.2.2
  * https://github.com/emn178/js-md5
  *
  * Copyright 2014-2015, emn178@gmail.com
@@ -10,256 +10,304 @@
 ;(function(root, undefined) {
   'use strict';
 
-  var HEX_CHARS = '0123456789abcdef'.split('');
+  var NODE_JS = typeof(module) != 'undefined';
-
+  if(NODE_JS) {
-  var md5 = function(message, asciiOnly) {
+    root = global;
-    var blocks, h0 = 0x67452301, h1 = 0xEFCDAB89, h2 = 0x98BADCFE, h3 = 0x10325476, 
+    if(root.JS_MD5_TEST) {
-        a, b, c, d, bc, da;
+      root.navigator = { userAgent: 'Firefox'};
-    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) {
+  var FIREFOX = (root.JS_MD5_TEST || !NODE_JS) && navigator.userAgent.indexOf('Firefox') != -1;
-        a = blocks[i + 0] - 680876937;
+  var ARRAY_BUFFER = !root.JS_MD5_TEST && typeof(ArrayBuffer) != 'undefined';
-        a = ((a << 7 | a >>> 25) - 271733879) << 0;
+  var HEX_CHARS = '0123456789abcdef'.split('');
-        d = blocks[i + 1] - 117830708 + ((2004318071 & a) ^ -1732584194);
+  var EXTRA = [128, 32768, 8388608, -2147483648];
-        d = ((d << 12 | d >>> 20) + a) << 0;
+  var SHIFT = [0, 8, 16, 24];
-        c = blocks[i + 2] - 1126478375 + (((a ^ -271733879) & d) ^ -271733879);
+
-        c = ((c << 17 | c >>> 15) + d) << 0;
+  var blocks = [], buffer8;
-        b = blocks[i + 3] - 1316259209 + (((d ^ a) & c) ^ a);
+  if(ARRAY_BUFFER) {
-        b = ((b << 22 | b >>> 10) + c) << 0;
+    var buffer = new ArrayBuffer(68);
+    buffer8 = new Uint8Array(buffer);
+    blocks = new Uint32Array(buffer);
+  }
+
+  var md5 = function(message) {
+    var h0, h1, h2, h3, a, b, c, d, bc, da, code, first = true, end = false,
+        index = 0, i, start = 0, bytes = 0, length = message.length;
+    blocks[16] = 0;
+    do {
+      blocks[0] = blocks[16];
+      blocks[16] = blocks[1] = blocks[2] = blocks[3] =
+      blocks[4] = blocks[5] = blocks[6] = blocks[7] =
+      blocks[8] = blocks[9] = blocks[10] = blocks[11] =
+      blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
+      if(ARRAY_BUFFER) {
+        for (i = start;index < length && i < 64; ++index) {
+          code = message.charCodeAt(index);
+          if (code < 0x80) {
+            buffer8[i++] = code;
+          } else if (code < 0x800) {
+            buffer8[i++] = 0xc0 | (code >> 6);
+            buffer8[i++] = 0x80 | (code & 0x3f);
+          } else if (code < 0xd800 || code >= 0xe000) {
+            buffer8[i++] = 0xe0 | (code >> 12);
+            buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
+            buffer8[i++] = 0x80 | (code & 0x3f);
+          } else {
+            code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
+            buffer8[i++] = 0xf0 | (code >> 18);
+            buffer8[i++] = 0x80 | ((code >> 12) & 0x3f);
+            buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
+            buffer8[i++] = 0x80 | (code & 0x3f);
+          }
+        }
+      } else {
+        for (i = start;index < length && i < 64; ++index) {
+          code = message.charCodeAt(index);
+          if (code < 0x80) {
+            blocks[i >> 2] |= code << SHIFT[i++ & 3];
+          } else if (code < 0x800) {
+            blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else if (code < 0xd800 || code >= 0xe000) {
+            blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else {
+            code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
+            blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          }
+        }
+      }
+      bytes += i - start;
+      start = i - 64;
+      if(index == length) {
+        blocks[i >> 2] |= EXTRA[i & 3];
+        ++index;
+      }
+      if(index > length && i < 56) {
+        blocks[14] = bytes << 3;
+        end = true;
+      }
+      
+      if(first) {
+        a = blocks[0] - 680876937;
+        a = (a << 7 | a >>> 25) - 271733879 << 0;
+        d = (-1732584194 ^ a & 2004318071) + blocks[1] - 117830708;
+        d = (d << 12 | d >>> 20) + a << 0;
+        c = (-271733879 ^ (d & (a ^ -271733879))) + blocks[2] - 1126478375;
+        c = (c << 17 | c >>> 15) + d << 0;
+        b = (a ^ (c & (d ^ a))) + blocks[3] - 1316259209;
+        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 += (d ^ (b & (c ^ d))) + blocks[0] - 680876936;
-        a = ((a << 7 | a >>> 25) + b) << 0;
+        a = (a << 7 | a >>> 25) + b << 0;
-        d += (c ^ (a & (b ^ c))) + blocks[i + 1] - 389564586;
+        d += (c ^ (a & (b ^ c))) + blocks[1] - 389564586;
-        d = ((d << 12 | d >>> 20) + a) << 0;
+        d = (d << 12 | d >>> 20) + a << 0;
-        c += (b ^ (d & (a ^ b))) + blocks[i + 2] + 606105819;
+        c += (b ^ (d & (a ^ b))) + blocks[2] + 606105819;
-        c = ((c << 17 | c >>> 15) + d) << 0;
+        c = (c << 17 | c >>> 15) + d << 0;
-        b += (a ^ (c & (d ^ a))) + blocks[i + 3] - 1044525330;
+        b += (a ^ (c & (d ^ a))) + blocks[3] - 1044525330;
-        b = ((b << 22 | b >>> 10) + c) << 0;
+        b = (b << 22 | b >>> 10) + c << 0;
       }
 
-      a += (d ^ (b & (c ^ d))) + blocks[i + 4] - 176418897;
+      a += (d ^ (b & (c ^ d))) + blocks[4] - 176418897;
-      a = ((a << 7 | a >>> 25) + b) << 0;
+      a = (a << 7 | a >>> 25) + b << 0;
-      d += (c ^ (a & (b ^ c))) + blocks[i + 5] + 1200080426;
+      d += (c ^ (a & (b ^ c))) + blocks[5] + 1200080426;
-      d = ((d << 12 | d >>> 20) + a) << 0;
+      d = (d << 12 | d >>> 20) + a << 0;
-      c += (b ^ (d & (a ^ b))) + blocks[i + 6] - 1473231341;
+      c += (b ^ (d & (a ^ b))) + blocks[6] - 1473231341;
-      c = ((c << 17 | c >>> 15) + d) << 0;
+      c = (c << 17 | c >>> 15) + d << 0;
-      b += (a ^ (c & (d ^ a))) + blocks[i + 7] - 45705983;
+      b += (a ^ (c & (d ^ a))) + blocks[7] - 45705983;
-      b = ((b << 22 | b >>> 10) + c) << 0;
+      b = (b << 22 | b >>> 10) + c << 0;
-      a += (d ^ (b & (c ^ d))) + blocks[i + 8] + 1770035416;
+      a += (d ^ (b & (c ^ d))) + blocks[8] + 1770035416;
-      a = ((a << 7 | a >>> 25) + b) << 0;
+      a = (a << 7 | a >>> 25) + b << 0;
-      d += (c ^ (a & (b ^ c))) + blocks[i + 9] - 1958414417;
+      d += (c ^ (a & (b ^ c))) + blocks[9] - 1958414417;
-      d = ((d << 12 | d >>> 20) + a) << 0;
+      d = (d << 12 | d >>> 20) + a << 0;
-      c += (b ^ (d & (a ^ b))) + blocks[i + 10] - 42063;
+      c += (b ^ (d & (a ^ b))) + blocks[10] - 42063;
-      c = ((c << 17 | c >>> 15) + d) << 0;
+      c = (c << 17 | c >>> 15) + d << 0;
-      b += (a ^ (c & (d ^ a))) + blocks[i + 11] - 1990404162;
+      b += (a ^ (c & (d ^ a))) + blocks[11] - 1990404162;
-      b = ((b << 22 | b >>> 10) + c) << 0;
+      b = (b << 22 | b >>> 10) + c << 0;
-      a += (d ^ (b & (c ^ d))) + blocks[i + 12] + 1804603682;
+      a += (d ^ (b & (c ^ d))) + blocks[12] + 1804603682;
-      a = ((a << 7 | a >>> 25) + b) << 0;
+      a = (a << 7 | a >>> 25) + b << 0;
-      d += (c ^ (a & (b ^ c))) + blocks[i + 13] - 40341101;
+      d += (c ^ (a & (b ^ c))) + blocks[13] - 40341101;
-      d = ((d << 12 | d >>> 20) + a) << 0;
+      d = (d << 12 | d >>> 20) + a << 0;
-      c += (b ^ (d & (a ^ b))) + blocks[i + 14] - 1502002290;
+      c += (b ^ (d & (a ^ b))) + blocks[14] - 1502002290;
-      c = ((c << 17 | c >>> 15) + d) << 0;
+      c = (c << 17 | c >>> 15) + d << 0;
-      b += (a ^ (c & (d ^ a))) + blocks[i + 15] + 1236535329;
+      b += (a ^ (c & (d ^ a))) + blocks[15] + 1236535329;
-      b = ((b << 22 | b >>> 10) + c) << 0;
+      b = (b << 22 | b >>> 10) + c << 0;
-      a += (c ^ (d & (b ^ c))) + blocks[i + 1] - 165796510;
+      a += (c ^ (d & (b ^ c))) + blocks[1] - 165796510;
-      a = ((a << 5 | a >>> 27) + b) << 0;
+      a = (a << 5 | a >>> 27) + b << 0;
-      d += (b ^ (c & (a ^ b))) + blocks[i + 6] - 1069501632;
+      d += (b ^ (c & (a ^ b))) + blocks[6] - 1069501632;
-      d = ((d << 9 | d >>> 23) + a) << 0;
+      d = (d << 9 | d >>> 23) + a << 0;
-      c += (a ^ (b & (d ^ a))) + blocks[i + 11] + 643717713;
+      c += (a ^ (b & (d ^ a))) + blocks[11] + 643717713;
-      c = ((c << 14 | c >>> 18) + d) << 0;
+      c = (c << 14 | c >>> 18) + d << 0;
-      b += (d ^ (a & (c ^ d))) + blocks[i + 0] - 373897302;
+      b += (d ^ (a & (c ^ d))) + blocks[0] - 373897302;
-      b = ((b << 20 | b >>> 12) + c) << 0;
+      b = (b << 20 | b >>> 12) + c << 0;
-      a += (c ^ (d & (b ^ c))) + blocks[i + 5] - 701558691;
+      a += (c ^ (d & (b ^ c))) + blocks[5] - 701558691;
-      a = ((a << 5 | a >>> 27) + b) << 0;
+      a = (a << 5 | a >>> 27) + b << 0;
-      d += (b ^ (c & (a ^ b))) + blocks[i + 10] + 38016083;
+      d += (b ^ (c & (a ^ b))) + blocks[10] + 38016083;
-      d = ((d << 9 | d >>> 23) + a) << 0;
+      d = (d << 9 | d >>> 23) + a << 0;
-      c += (a ^ (b & (d ^ a))) + blocks[i + 15] - 660478335;
+      c += (a ^ (b & (d ^ a))) + blocks[15] - 660478335;
-      c = ((c << 14 | c >>> 18) + d) << 0;
+      c = (c << 14 | c >>> 18) + d << 0;
-      b += (d ^ (a & (c ^ d))) + blocks[i + 4] - 405537848;
+      b += (d ^ (a & (c ^ d))) + blocks[4] - 405537848;
-      b = ((b << 20 | b >>> 12) + c) << 0;
+      b = (b << 20 | b >>> 12) + c << 0;
-      a += (c ^ (d & (b ^ c))) + blocks[i + 9] + 568446438;
+      a += (c ^ (d & (b ^ c))) + blocks[9] + 568446438;
-      a = ((a << 5 | a >>> 27) + b) << 0;
+      a = (a << 5 | a >>> 27) + b << 0;
-      d += (b ^ (c & (a ^ b))) + blocks[i + 14] - 1019803690;
+      d += (b ^ (c & (a ^ b))) + blocks[14] - 1019803690;
-      d = ((d << 9 | d >>> 23) + a) << 0;
+      d = (d << 9 | d >>> 23) + a << 0;
-      c += (a ^ (b & (d ^ a))) + blocks[i + 3] - 187363961;
+      c += (a ^ (b & (d ^ a))) + blocks[3] - 187363961;
-      c = ((c << 14 | c >>> 18) + d) << 0;
+      c = (c << 14 | c >>> 18) + d << 0;
-      b += (d ^ (a & (c ^ d))) + blocks[i + 8] + 1163531501;
+      b += (d ^ (a & (c ^ d))) + blocks[8] + 1163531501;
-      b = ((b << 20 | b >>> 12) + c) << 0;
+      b = (b << 20 | b >>> 12) + c << 0;
-      a += (c ^ (d & (b ^ c))) + blocks[i + 13] - 1444681467;
+      a += (c ^ (d & (b ^ c))) + blocks[13] - 1444681467;
-      a = ((a << 5 | a >>> 27) + b) << 0;
+      a = (a << 5 | a >>> 27) + b << 0;
-      d += (b ^ (c & (a ^ b))) + blocks[i + 2] - 51403784;
+      d += (b ^ (c & (a ^ b))) + blocks[2] - 51403784;
-      d = ((d << 9 | d >>> 23) + a) << 0;
+      d = (d << 9 | d >>> 23) + a << 0;
-      c += (a ^ (b & (d ^ a))) + blocks[i + 7] + 1735328473;
+      c += (a ^ (b & (d ^ a))) + blocks[7] + 1735328473;
-      c = ((c << 14 | c >>> 18) + d) << 0;
+      c = (c << 14 | c >>> 18) + d << 0;
-      b += (d ^ (a & (c ^ d))) + blocks[i + 12] - 1926607734;
+      b += (d ^ (a & (c ^ d))) + blocks[12] - 1926607734;
-      b = ((b << 20 | b >>> 12) + c) << 0;
+      b = (b << 20 | b >>> 12) + c << 0;
       bc = b ^ c;
-      a += (bc ^ d) + blocks[i + 5] - 378558;
+      a += (bc ^ d) + blocks[5] - 378558;
-      a = ((a << 4 | a >>> 28) + b) << 0;
+      a = (a << 4 | a >>> 28) + b << 0;
+      d += (bc ^ a) + blocks[8] - 2022574463;
+      d = (d << 11 | d >>> 21) + a << 0;
+      da = d ^ a;
+      c += (da ^ b) + blocks[11] + 1839030562;
+      c = (c << 16 | c >>> 16) + d << 0;
+      b += (da ^ c) + blocks[14] - 35309556;
+      b = (b << 23 | b >>> 9) + c << 0;
       bc = b ^ c;
-      d += (bc ^ a) + blocks[i + 8] - 2022574463;
+      a += (bc ^ d) + blocks[1] - 1530992060;
-      d = ((d << 11 | d >>> 21) + a) << 0;
+      a = (a << 4 | a >>> 28) + b << 0;
+      d += (bc ^ a) + blocks[4] + 1272893353;
+      d = (d << 11 | d >>> 21) + a << 0;
       da = d ^ a;
-      c += (da ^ b) + blocks[i + 11] + 1839030562;
+      c += (da ^ b) + blocks[7] - 155497632;
-      c = ((c << 16 | c >>> 16) + d) << 0;
+      c = (c << 16 | c >>> 16) + d << 0;
-      da = d ^ a;
+      b += (da ^ c) + blocks[10] - 1094730640;
-      b += (da ^ c) + blocks[i + 14] - 35309556;
+      b = (b << 23 | b >>> 9) + c << 0;
-      b = ((b << 23 | b >>> 9) + c) << 0;
       bc = b ^ c;
-      a += (bc ^ d) + blocks[i + 1] - 1530992060;
+      a += (bc ^ d) + blocks[13] + 681279174;
-      a = ((a << 4 | a >>> 28) + b) << 0;
+      a = (a << 4 | a >>> 28) + b << 0;
+      d += (bc ^ a) + blocks[0] - 358537222;
+      d = (d << 11 | d >>> 21) + a << 0;
+      da = d ^ a;
+      c += (da ^ b) + blocks[3] - 722521979;
+      c = (c << 16 | c >>> 16) + d << 0;
+      b += (da ^ c) + blocks[6] + 76029189;
+      b = (b << 23 | b >>> 9) + c << 0;
       bc = b ^ c;
-      d += (bc ^ a) + blocks[i + 4] + 1272893353;
+      a += (bc ^ d) + blocks[9] - 640364487;
-      d = ((d << 11 | d >>> 21) + a) << 0;
+      a = (a << 4 | a >>> 28) + b << 0;
+      d += (bc ^ a) + blocks[12] - 421815835;
+      d = (d << 11 | d >>> 21) + a << 0;
       da = d ^ a;
-      c += (da ^ b) + blocks[i + 7] - 155497632;
+      c += (da ^ b) + blocks[15] + 530742520;
-      c = ((c << 16 | c >>> 16) + d) << 0;
+      c = (c << 16 | c >>> 16) + d << 0;
-      da = d ^ a;
+      b += (da ^ c) + blocks[2] - 995338651;
-      b += (da ^ c) + blocks[i + 10] - 1094730640;
+      b = (b << 23 | b >>> 9) + c << 0;
-      b = ((b << 23 | b >>> 9) + c) << 0;
+      a += (c ^ (b | ~d)) + blocks[0] - 198630844;
-      bc = b ^ c;
+      a = (a << 6 | a >>> 26) + b << 0;
-      a += (bc ^ d) + blocks[i + 13] + 681279174;
+      d += (b ^ (a | ~c)) + blocks[7] + 1126891415;
-      a = ((a << 4 | a >>> 28) + b) << 0;
+      d = (d << 10 | d >>> 22) + a << 0;
-      bc = b ^ c;
+      c += (a ^ (d | ~b)) + blocks[14] - 1416354905;
-      d += (bc ^ a) + blocks[i + 0] - 358537222;
+      c = (c << 15 | c >>> 17) + d << 0;
-      d = ((d << 11 | d >>> 21) + a) << 0;
+      b += (d ^ (c | ~a)) + blocks[5] - 57434055;
-      da = d ^ a;
+      b = (b << 21 | b >>> 11) + c << 0;
-      c += (da ^ b) + blocks[i + 3] - 722521979;
+      a += (c ^ (b | ~d)) + blocks[12] + 1700485571;
-      c = ((c << 16 | c >>> 16) + d) << 0;
+      a = (a << 6 | a >>> 26) + b << 0;
-      da = d ^ a;
+      d += (b ^ (a | ~c)) + blocks[3] - 1894986606;
-      b += (da ^ c) + blocks[i + 6] + 76029189;
+      d = (d << 10 | d >>> 22) + a << 0;
-      b = ((b << 23 | b >>> 9) + c) << 0;
+      c += (a ^ (d | ~b)) + blocks[10] - 1051523;
-      bc = b ^ c;
+      c = (c << 15 | c >>> 17) + d << 0;
-      a += (bc ^ d) + blocks[i + 9] - 640364487;
+      b += (d ^ (c | ~a)) + blocks[1] - 2054922799;
-      a = ((a << 4 | a >>> 28) + b) << 0;
+      b = (b << 21 | b >>> 11) + c << 0;
-      bc = b ^ c;
+      a += (c ^ (b | ~d)) + blocks[8] + 1873313359;
-      d += (bc ^ a) + blocks[i + 12] - 421815835;
+      a = (a << 6 | a >>> 26) + b << 0;
-      d = ((d << 11 | d >>> 21) + a) << 0;
+      d += (b ^ (a | ~c)) + blocks[15] - 30611744;
-      da = d ^ a;
+      d = (d << 10 | d >>> 22) + a << 0;
-      c += (da ^ b) + blocks[i + 15] + 530742520;
+      c += (a ^ (d | ~b)) + blocks[6] - 1560198380;
-      c = ((c << 16 | c >>> 16) + d) << 0;
+      c = (c << 15 | c >>> 17) + d << 0;
-      da = d ^ a;
+      b += (d ^ (c | ~a)) + blocks[13] + 1309151649;
-      b += (da ^ c) + blocks[i + 2] - 995338651;
+      b = (b << 21 | b >>> 11) + c << 0;
-      b = ((b << 23 | b >>> 9) + c) << 0;
+      a += (c ^ (b | ~d)) + blocks[4] - 145523070;
-      a += (c ^ (b | ~d)) + blocks[i + 0] - 198630844;
+      a = (a << 6 | a >>> 26) + b << 0;
-      a = ((a << 6 | a >>> 26) + b) << 0;
+      d += (b ^ (a | ~c)) + blocks[11] - 1120210379;
-      d += (b ^ (a | ~c)) + blocks[i + 7] + 1126891415;
+      d = (d << 10 | d >>> 22) + a << 0;
-      d = ((d << 10 | d >>> 22) + a) << 0;
+      c += (a ^ (d | ~b)) + blocks[2] + 718787259;
-      c += (a ^ (d | ~b)) + blocks[i + 14] - 1416354905;
+      c = (c << 15 | c >>> 17) + d << 0;
-      c = ((c << 15 | c >>> 17) + d) << 0;
+      b += (d ^ (c | ~a)) + blocks[9] - 343485551;
-      b += (d ^ (c | ~a)) + blocks[i + 5] - 57434055;
+      b = (b << 21 | b >>> 11) + c << 0;
-      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;
 
-      h0 = (h0 + a) << 0;
+      if(first) {
-      h1 = (h1 + b) << 0;
+        h0 = a + 1732584193 << 0;
-      h2 = (h2 + c) << 0;
+        h1 = b - 271733879 << 0;
-      h3 = (h3 + d) << 0;
+        h2 = c - 1732584194 << 0;
-    }
+        h3 = d + 271733878 << 0;
-
+        first = false;
-    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[(num >> (offset + 4)) & 0x0F] + HEX_CHARS[(num >> offset) & 0x0F];
-    }
-    return hex;
-  };
-
-  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));
+        h0 = h0 + a << 0;
-        bytes[index++] = 0xf0 | (c >> 18);
+        h1 = h1 + b << 0;
-        bytes[index++] = 0x80 | ((c >> 12) & 0x3f);
+        h2 = h2 + c << 0;
-        bytes[index++] = 0x80 | ((c >> 6) & 0x3f);
+        h3 = h3 + d << 0;
-        bytes[index++] = 0x80 | (c & 0x3f);
       }
+    } while(!end);
+
+    if(FIREFOX) {
+      var hex = HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F];
+      hex += HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F];
+      hex += HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F];
+      hex += HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F];
+      hex += HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F];
+      hex += HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F];
+      hex += HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F];
+      hex += HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F];
+      hex += HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F];
+      hex += HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F];
+      hex += HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F];
+      hex += HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F];
+      hex += HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F];
+      hex += HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F];
+      hex += HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F];
+      hex += HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
+      return hex;
+    } else {
+      return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
+         HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
+         HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
+         HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
+         HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
+         HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
+         HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
+         HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
+         HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
+         HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
+         HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
+         HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
+         HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
+         HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
+         HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
+         HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
     }
-    return bytes;
   };
 
-  var getBlocksFromAscii = function(message) {
+  if(!root.JS_MD5_TEST && NODE_JS) {
-    // a block is 32 bits(4 bytes), a chunk is 512 bits(64 bytes)
+    var crypto = require('crypto');
-    var length = message.length;
-    var chunkCount = ((length + 8) >> 6) + 1;
-    var blockCount = chunkCount << 4; // chunkCount * 16
-    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 & 3) << 3);
-    }
-    blocks[i >> 2] |= 0x80 << ((i & 3) << 3);
-    blocks[blockCount - 2] = length << 3; // length * 8
-    return blocks;
-  };
 
-  var getBlocksFromUtf8 = function(message) {
+    module.exports = function(message) {
-    var bytes = getBytesFromUtf8(message);
+      if(message.length <= 80) {
-    var length = bytes.length;
+        return md5(message);
-    var chunkCount = ((length + 8) >> 6) + 1;
+      } else if(message.length <= 183 && !/[^\x00-\x7F]/.test(message)) {
-    var blockCount = chunkCount << 4; // chunkCount * 16
+        return md5(message);
-    var blocks = [], i;
+      }
-    for(i = 0;i < blockCount;++i) {
+      return crypto.createHash('md5').update(message, 'utf8').digest('hex');
-      blocks[i] = 0;
+    };
-    }
-    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') {
-    module.exports = md5;
   } else if(root) {
     root.md5 = md5;
   }

tests/index.html

@@ -11,6 +11,7 @@
 <body>
   <div id="mocha"></div>
   <script>
+    testName = 'default';
     mocha.setup('bdd');
   </script>
   <script src="test.js"></script>

tests/node-test.js

@@ -1,3 +1,13 @@
 md5 = require('../src/md5.js');
 expect = require('expect.js');
+testName = 'default';
+require('./test.js');
+
+delete require.cache[require.resolve('../src/md5.js')]
+delete require.cache[require.resolve('./test.js')]
+md5 = null
+
+JS_MD5_TEST = true;
+testName = 'without ArrayBuffer';
+base64 = require('../src/md5.js');
 require('./test.js');

tests/test.js

@@ -1,30 +1,41 @@
-describe('ascii', function() {
+var module = md5;
-  describe('less than 64 bytes', function() {
+
-    it('should be successful', function() {
+describe(testName, function() {
-      expect(md5('')).to.be('d41d8cd98f00b204e9800998ecf8427e');
+  describe('ascii', function() {
-      expect(md5('The quick brown fox jumps over the lazy dog')).to.be('9e107d9d372bb6826bd81d3542a419d6');
+    describe('less than 64 bytes', function() {
-      expect(md5('The quick brown fox jumps over the lazy dog.')).to.be('e4d909c290d0fb1ca068ffaddf22cbd0');
+      it('should be successful', function() {
+        expect(module('')).to.be('d41d8cd98f00b204e9800998ecf8427e');
+        expect(module('The quick brown fox jumps over the lazy dog')).to.be('9e107d9d372bb6826bd81d3542a419d6');
+        expect(module('The quick brown fox jumps over the lazy dog.')).to.be('e4d909c290d0fb1ca068ffaddf22cbd0');
+        expect(module('0123456780123456780123456780123456780123456780123456780')).to.be('a119de63e4b2398427da06dd780263b3');
+        expect(module('01234567801234567801234567801234567801234567801234567801')).to.be('ddafd84ebe63aebc4626b037a569d78b');
+      });
+    });
+
+    describe('more than 64 bytes', function() {
+      it('should be successful', function() {
+        expect(module('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');
+        expect(module('01234567801234567801234567801234567801234567801234567801234567801234567')).to.be('658d914ae42c4938874b2e786ccda479');
+        expect(module('012345678012345678012345678012345678012345678012345678012345678012345678')).to.be('a083a3710d685793f1f17988bfe3c175');
+        expect(module('012345678012345678012345678012345678012345678012345678012345678012345678012345678012345678012345678012345678012345678012345678012345678012345678')).to.be('2b21a843cfc31c8026a0d835bc91bc98');
+      });
     });
   });
 
-  describe('more than 64 bytes', function() {
+  describe('UTF8', function() {
-    it('should be successful', function() {
+    describe('less than 64 bytes', 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');
+      it('should be successful', function() {
-    });
+        expect(module('中文')).to.be('a7bac2239fcdcb3a067903d8077c4a07');
-  });
+        expect(module('aécio')).to.be('ec3edbf3b05a449fc206a0138c739c3b');
-});
+        expect(module('𠜎')).to.be('b90869aaf121210f6c563973fa855650');
-
+      });
-describe('UTF8', function() {
+    });
-  describe('less than 64 bytes', function() {
+
-    it('should be successful', function() {
+    describe('more than 64 bytes', function() {
-      expect(md5('中文')).to.be('a7bac2239fcdcb3a067903d8077c4a07');
+      it('should be successful', function() {
-      expect(md5('aécio')).to.be('ec3edbf3b05a449fc206a0138c739c3b');
+        expect(module('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')).to.be('edce615b179e6e29be23145b77ebbd61');
-    });
+        expect(module('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');
-  });
+      });
-
-  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');
     });
   });
 });