Initial commit

LICENSE.mkd

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+Copyright © 2011, Paul Vorbach. All rights reserved.
+Copyright © 2009, Jeff Mott. All rights reserved.
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright notice, this
+  list of conditions and the following disclaimer in the documentation and/or
+  other materials provided with the distribution.
+* Neither the name Crypto-JS nor the names of its contributors may be used to
+  endorse or promote products derived from this software without specific prior
+  written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.mkd

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+**md5** is a function for hashing messages with MD5.
+
+## Example
+
+```javascript
+var md5 = require('MD5');
+
+console.log(md5("message"));
+```
+
+This will print:
+
+```
+78e731027d8fd50ed642340b7c9a63b3
+```

md5.js

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+(function(){
+  var crypt = require('crypt'),
+      utf8 = require('charenc').utf8,
+      bin = require('charenc').bin,
+
+  // The core
+  md5 = function (message) {
+    // Convert to byte array
+    if (message.constructor == String)
+      message = utf8.stringToBytes(message);
+    // else, assume byte array already
+
+    var m = crypt.bytesToWords(message),
+        l = message.length * 8,
+        a =  1732584193,
+        b = -271733879,
+        c = -1732584194,
+        d =  271733878;
+
+    // Swap endian
+    for (var i = 0; i < m.length; i++) {
+      m[i] = ((m[i] <<  8) | (m[i] >>> 24)) & 0x00FF00FF |
+             ((m[i] << 24) | (m[i] >>>  8)) & 0xFF00FF00;
+    }
+
+    // Padding
+    m[l >>> 5] |= 0x80 << (l % 32);
+    m[(((l + 64) >>> 9) << 4) + 14] = l;
+
+    // Method shortcuts
+    var FF = md5._ff,
+        GG = md5._gg,
+        HH = md5._hh,
+        II = md5._ii;
+
+    for (var i = 0; i < m.length; i += 16) {
+
+      var aa = a,
+          bb = b,
+          cc = c,
+          dd = d;
+
+      a = FF(a, b, c, d, m[i+ 0],  7, -680876936);
+      d = FF(d, a, b, c, m[i+ 1], 12, -389564586);
+      c = FF(c, d, a, b, m[i+ 2], 17,  606105819);
+      b = FF(b, c, d, a, m[i+ 3], 22, -1044525330);
+      a = FF(a, b, c, d, m[i+ 4],  7, -176418897);
+      d = FF(d, a, b, c, m[i+ 5], 12,  1200080426);
+      c = FF(c, d, a, b, m[i+ 6], 17, -1473231341);
+      b = FF(b, c, d, a, m[i+ 7], 22, -45705983);
+      a = FF(a, b, c, d, m[i+ 8],  7,  1770035416);
+      d = FF(d, a, b, c, m[i+ 9], 12, -1958414417);
+      c = FF(c, d, a, b, m[i+10], 17, -42063);
+      b = FF(b, c, d, a, m[i+11], 22, -1990404162);
+      a = FF(a, b, c, d, m[i+12],  7,  1804603682);
+      d = FF(d, a, b, c, m[i+13], 12, -40341101);
+      c = FF(c, d, a, b, m[i+14], 17, -1502002290);
+      b = FF(b, c, d, a, m[i+15], 22,  1236535329);
+
+      a = GG(a, b, c, d, m[i+ 1],  5, -165796510);
+      d = GG(d, a, b, c, m[i+ 6],  9, -1069501632);
+      c = GG(c, d, a, b, m[i+11], 14,  643717713);
+      b = GG(b, c, d, a, m[i+ 0], 20, -373897302);
+      a = GG(a, b, c, d, m[i+ 5],  5, -701558691);
+      d = GG(d, a, b, c, m[i+10],  9,  38016083);
+      c = GG(c, d, a, b, m[i+15], 14, -660478335);
+      b = GG(b, c, d, a, m[i+ 4], 20, -405537848);
+      a = GG(a, b, c, d, m[i+ 9],  5,  568446438);
+      d = GG(d, a, b, c, m[i+14],  9, -1019803690);
+      c = GG(c, d, a, b, m[i+ 3], 14, -187363961);
+      b = GG(b, c, d, a, m[i+ 8], 20,  1163531501);
+      a = GG(a, b, c, d, m[i+13],  5, -1444681467);
+      d = GG(d, a, b, c, m[i+ 2],  9, -51403784);
+      c = GG(c, d, a, b, m[i+ 7], 14,  1735328473);
+      b = GG(b, c, d, a, m[i+12], 20, -1926607734);
+
+      a = HH(a, b, c, d, m[i+ 5],  4, -378558);
+      d = HH(d, a, b, c, m[i+ 8], 11, -2022574463);
+      c = HH(c, d, a, b, m[i+11], 16,  1839030562);
+      b = HH(b, c, d, a, m[i+14], 23, -35309556);
+      a = HH(a, b, c, d, m[i+ 1],  4, -1530992060);
+      d = HH(d, a, b, c, m[i+ 4], 11,  1272893353);
+      c = HH(c, d, a, b, m[i+ 7], 16, -155497632);
+      b = HH(b, c, d, a, m[i+10], 23, -1094730640);
+      a = HH(a, b, c, d, m[i+13],  4,  681279174);
+      d = HH(d, a, b, c, m[i+ 0], 11, -358537222);
+      c = HH(c, d, a, b, m[i+ 3], 16, -722521979);
+      b = HH(b, c, d, a, m[i+ 6], 23,  76029189);
+      a = HH(a, b, c, d, m[i+ 9],  4, -640364487);
+      d = HH(d, a, b, c, m[i+12], 11, -421815835);
+      c = HH(c, d, a, b, m[i+15], 16,  530742520);
+      b = HH(b, c, d, a, m[i+ 2], 23, -995338651);
+
+      a = II(a, b, c, d, m[i+ 0],  6, -198630844);
+      d = II(d, a, b, c, m[i+ 7], 10,  1126891415);
+      c = II(c, d, a, b, m[i+14], 15, -1416354905);
+      b = II(b, c, d, a, m[i+ 5], 21, -57434055);
+      a = II(a, b, c, d, m[i+12],  6,  1700485571);
+      d = II(d, a, b, c, m[i+ 3], 10, -1894986606);
+      c = II(c, d, a, b, m[i+10], 15, -1051523);
+      b = II(b, c, d, a, m[i+ 1], 21, -2054922799);
+      a = II(a, b, c, d, m[i+ 8],  6,  1873313359);
+      d = II(d, a, b, c, m[i+15], 10, -30611744);
+      c = II(c, d, a, b, m[i+ 6], 15, -1560198380);
+      b = II(b, c, d, a, m[i+13], 21,  1309151649);
+      a = II(a, b, c, d, m[i+ 4],  6, -145523070);
+      d = II(d, a, b, c, m[i+11], 10, -1120210379);
+      c = II(c, d, a, b, m[i+ 2], 15,  718787259);
+      b = II(b, c, d, a, m[i+ 9], 21, -343485551);
+
+      a = (a + aa) >>> 0;
+      b = (b + bb) >>> 0;
+      c = (c + cc) >>> 0;
+      d = (d + dd) >>> 0;
+    }
+
+    return crypt.endian([a, b, c, d]);
+  };
+
+  // Auxiliary functions
+  md5._ff  = function (a, b, c, d, x, s, t) {
+    var n = a + (b & c | ~b & d) + (x >>> 0) + t;
+    return ((n << s) | (n >>> (32 - s))) + b;
+  };
+  md5._gg  = function (a, b, c, d, x, s, t) {
+    var n = a + (b & d | c & ~d) + (x >>> 0) + t;
+    return ((n << s) | (n >>> (32 - s))) + b;
+  };
+  md5._hh  = function (a, b, c, d, x, s, t) {
+    var n = a + (b ^ c ^ d) + (x >>> 0) + t;
+    return ((n << s) | (n >>> (32 - s))) + b;
+  };
+  md5._ii  = function (a, b, c, d, x, s, t) {
+    var n = a + (c ^ (b | ~d)) + (x >>> 0) + t;
+    return ((n << s) | (n >>> (32 - s))) + b;
+  };
+
+  // Package private blocksize
+  md5._blocksize = 16;
+  md5._digestsize = 16;
+
+  module.exports = function (message, options) {
+    var digestbytes = crypt.wordsToBytes(md5(message));
+    return options && options.asBytes ? digestbytes :
+        options && options.asString ? bin.bytesToString(digestbytes) :
+        crypt.bytesToHex(digestbytes);
+  };
+
+})();

package.json

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+{
+  "author": "Paul Vorbach <paul@vorb.de> (http://vorb.de)",
+  "name": "MD5",
+  "description": "function for hashing messages with MD5",
+  "tags": [ "md5", "hash", "encryption" ],
+  "version": "0.0.0",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/pvorb/node-md5.git"
+  },
+  "bugs": {
+    "url": "https://github.com/pvorb/node-md5/issues"
+  },
+  "main": "md5.js",
+  "engines": {
+    "node": "*"
+  },
+  "dependencies": {
+    "charenc": ">=0.0.1",
+    "crypt": ">=0.0.1"
+  }
+}

test.js

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+var md5 = require('./');
+
+console.log(md5('message'));