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gallery-crypto-md5-debug.js
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gallery-crypto-md5-debug.js
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YUI.add('gallery-crypto-md5', function(Y) {
var _C = Y.Crypto || { };
Y.mix(_C, {
/**
* Adds two numerics as if they were 32-bit integers.
*
* @method add32Bit
*
* @param {int} first operand
* @param {int} second operand
*
* @static
*/
add32Bit: function (x,y) {
return (x + y) & 0xffffffff;
},
/**
* Converts a standard JavaScript string (utf16) to a UTF8 string
*
* @method utf16ToUtf8
*
* @param {string} The utf16 encoded string to convert to a utf8 array
*
* @static
*/
utf16ToUtf8: function(string) {
var output = "", cd, pr, i = 0;
while (i < string.length) {
cd = string.charCodeAt(i);
pr = i + 1 < string.length ? string.charCodeAt(i + 1) : 0;
if (0xd800 <= cd && cd <= 0xdbff && 0xdc00 <= pr && pr <= 0xdfff) {
// Surrogate Pair
cd = 0x10000 + ((cd & 0x3ff) + (pr & 0x03ff));
i += 1;
}
if (cd <= 0x007f) {
output += String.fromCharCode(cd);
} else if (cd <= 0x07ff) {
output += String.fromCharCode(0xc0 | ((cd >>> 6) & 15),
0x80 | (cd & 63));
} else if (cd <= 0xffff) {
output += String.fromCharCode(0xe0 | ((cd >>> 12) & 15 ),
0x80 | ((cd >>> 6) & 63),
0x80 | (cd & 63));
} else if (cd <= 0x1fffff) {
output += String.fromCharCode(0xf0 | ((cd >>> 18) & 15),
0x80 | ((cd >>> 12) & 63),
0x80 | ((cd >>> 6) & 63),
0x80 | (cd & 63));
}
i += 1;
}
return output;
},
/**
* Converts a utf8 encoded string to a byte array. It's important to use a
* utf8 encoded string, because otherwise characters with individual bytes
* greater than 255 will be silently dropped.
*
* @method utf8ToByteArray
*
* @param {string} The utf8 encoded string to convert to a byte array
*
* @static
*/
utf8ToByteArray: function(string) {
var output = Array(string.length >> 2), i, j;
for (i = 0 ; i < output.length ; i += 1) { output[i] = 0; }
for (i = 0 ; i < string.length ; i += 1) {
j = i * 8;
output[j >> 5] |= (string.charCodeAt(i) & 0xff) << (j % 32);
}
return output;
},
byteArrayToString: function(array) {
var output = "", i, code;
for (i = 0 ; i < array.length * 32 ; i += 8) {
code = (array[i >> 5] >>> (i % 32));
output += String.fromCharCode(code & 0xff);
}
return output;
},
utf8ToHex: function(string) {
var output = "", i, cd, chars = "0123456789abcdef";
for (i = 0 ; i < string.length ; i += 1) {
cd = string.charCodeAt(i);
output += chars.charAt(( cd >>> 4) & 0x0f) +
chars.charAt( cd & 0x0f);
}
return output;
},
/**
* Converts a standard JavaScript string (utf16) to a Byte Array
*
* @method stringToByteArray
*
* @param {string} The utf16 encoded string to convert to a byte array
*
* @static
*/
stringToByteArray: function(string) {
return _C.utf8ToByteArray(_C.utf16ToUtf8(string));
}
});
Y.Crypto = _C;
_C = Y.Crypto;
_C.MD5 = function (msg) {
var rotate_left = function(x, n) {
return ((x) << (n)) | (x >>> (32-n));
},
transform_common = function (v, a, b, x, s, ac) {
var t = _C.add32Bit(_C.add32Bit(_C.add32Bit(a, v), x || 0), ac);
return _C.add32Bit(rotate_left(t, s), b);
},
FF = function(a, b, c, d, x, s, ac) {
return transform_common(((b & c) | ((~b) & d)), a, b, x, s, ac);
},
GG = function(a, b, c, d, x, s, ac) {
return transform_common(((b & d) | (c & (~d))), a, b, x, s, ac);
},
HH = function(a, b, c, d, x, s, ac) {
return transform_common((b ^ c ^ d), a, b, x, s, ac);
},
II = function(a, b, c, d, x, s, ac) {
return transform_common((c ^ (b | (~d))), a, b, x, s, ac);
},
data = _C.stringToByteArray(msg),
len = msg.length * 8,
a = 0x67452301,
b = 0xefcdab89,
c = 0x98badcfe,
d = 0x10325476, i, s1, s2, s3, s4;
data[len >> 5] |= 0x80 << ((len) % 32);
data[(((len + 64) >>> 9) << 4) + 14] = len;
for ( i = 0 ; i < data.length ; i += 16) {
s1 = a; s2 = b; s3 = c; s4 = d;
/* Round 1 */
a = FF (a, b, c, d, data[i + 0], 7, 0xd76aa478); /* 1 */
d = FF (d, a, b, c, data[i + 1], 12, 0xe8c7b756); /* 2 */
c = FF (c, d, a, b, data[i + 2], 17, 0x242070db); /* 3 */
b = FF (b, c, d, a, data[i + 3], 22, 0xc1bdceee); /* 4 */
a = FF (a, b, c, d, data[i + 4], 7, 0xf57c0faf); /* 5 */
d = FF (d, a, b, c, data[i + 5], 12, 0x4787c62a); /* 6 */
c = FF (c, d, a, b, data[i + 6], 17, 0xa8304613); /* 7 */
b = FF (b, c, d, a, data[i + 7], 22, 0xfd469501); /* 8 */
a = FF (a, b, c, d, data[i + 8], 7, 0x698098d8); /* 9 */
d = FF (d, a, b, c, data[i + 9], 12, 0x8b44f7af); /* 10 */
c = FF (c, d, a, b, data[i +10], 17, 0xffff5bb1); /* 11 */
b = FF (b, c, d, a, data[i +11], 22, 0x895cd7be); /* 12 */
a = FF (a, b, c, d, data[i +12], 7, 0x6b901122); /* 13 */
d = FF (d, a, b, c, data[i +13], 12, 0xfd987193); /* 14 */
c = FF (c, d, a, b, data[i +14], 17, 0xa679438e); /* 15 */
b = FF (b, c, d, a, data[i +15], 22, 0x49b40821); /* 16 */
/* Round 2 */
a = GG (a, b, c, d, data[i + 1], 5, 0xf61e2562); /* 17 */
d = GG (d, a, b, c, data[i + 6], 9, 0xc040b340); /* 18 */
c = GG (c, d, a, b, data[i +11], 14, 0x265e5a51); /* 19 */
b = GG (b, c, d, a, data[i + 0], 20, 0xe9b6c7aa); /* 20 */
a = GG (a, b, c, d, data[i + 5], 5, 0xd62f105d); /* 21 */
d = GG (d, a, b, c, data[i +10], 9, 0x2441453); /* 22 */
c = GG (c, d, a, b, data[i +15], 14, 0xd8a1e681); /* 23 */
b = GG (b, c, d, a, data[i + 4], 20, 0xe7d3fbc8); /* 24 */
a = GG (a, b, c, d, data[i + 9], 5, 0x21e1cde6); /* 25 */
d = GG (d, a, b, c, data[i +14], 9, 0xc33707d6); /* 26 */
c = GG (c, d, a, b, data[i + 3], 14, 0xf4d50d87); /* 27 */
b = GG (b, c, d, a, data[i + 8], 20, 0x455a14ed); /* 28 */
a = GG (a, b, c, d, data[i +13], 5, 0xa9e3e905); /* 29 */
d = GG (d, a, b, c, data[i + 2], 9, 0xfcefa3f8); /* 30 */
c = GG (c, d, a, b, data[i + 7], 14, 0x676f02d9); /* 31 */
b = GG (b, c, d, a, data[i +12], 20, 0x8d2a4c8a); /* 32 */
/* Round 3 */
a = HH (a, b, c, d, data[i + 5], 4, 0xfffa3942); /* 33 */
d = HH (d, a, b, c, data[i + 8], 11, 0x8771f681); /* 34 */
c = HH (c, d, a, b, data[i +11], 16, 0x6d9d6122); /* 35 */
b = HH (b, c, d, a, data[i +14], 23, 0xfde5380c); /* 36 */
a = HH (a, b, c, d, data[i + 1], 4, 0xa4beea44); /* 37 */
d = HH (d, a, b, c, data[i + 4], 11, 0x4bdecfa9); /* 38 */
c = HH (c, d, a, b, data[i + 7], 16, 0xf6bb4b60); /* 39 */
b = HH (b, c, d, a, data[i +10], 23, 0xbebfbc70); /* 40 */
a = HH (a, b, c, d, data[i +13], 4, 0x289b7ec6); /* 41 */
d = HH (d, a, b, c, data[i + 0], 11, 0xeaa127fa); /* 42 */
c = HH (c, d, a, b, data[i + 3], 16, 0xd4ef3085); /* 43 */
b = HH (b, c, d, a, data[i + 6], 23, 0x4881d05); /* 44 */
a = HH (a, b, c, d, data[i + 9], 4, 0xd9d4d039); /* 45 */
d = HH (d, a, b, c, data[i +12], 11, 0xe6db99e5); /* 46 */
c = HH (c, d, a, b, data[i +15], 16, 0x1fa27cf8); /* 47 */
b = HH (b, c, d, a, data[i + 2], 23, 0xc4ac5665); /* 48 */
/* Round 4 */
a = II (a, b, c, d, data[i + 0], 6, 0xf4292244); /* 49 */
d = II (d, a, b, c, data[i + 7], 10, 0x432aff97); /* 50 */
c = II (c, d, a, b, data[i +14], 15, 0xab9423a7); /* 51 */
b = II (b, c, d, a, data[i + 5], 21, 0xfc93a039); /* 52 */
a = II (a, b, c, d, data[i +12], 6, 0x655b59c3); /* 53 */
d = II (d, a, b, c, data[i + 3], 10, 0x8f0ccc92); /* 54 */
c = II (c, d, a, b, data[i +10], 15, 0xffeff47d); /* 55 */
b = II (b, c, d, a, data[i + 1], 21, 0x85845dd1); /* 56 */
a = II (a, b, c, d, data[i + 8], 6, 0x6fa87e4f); /* 57 */
d = II (d, a, b, c, data[i +15], 10, 0xfe2ce6e0); /* 58 */
c = II (c, d, a, b, data[i + 6], 15, 0xa3014314); /* 59 */
b = II (b, c, d, a, data[i +13], 21, 0x4e0811a1); /* 60 */
a = II (a, b, c, d, data[i + 4], 6, 0xf7537e82); /* 61 */
d = II (d, a, b, c, data[i +11], 10, 0xbd3af235); /* 62 */
c = II (c, d, a, b, data[i + 2], 15, 0x2ad7d2bb); /* 63 */
b = II (b, c, d, a, data[i + 9], 21, 0xeb86d391); /* 64 */
a = _C.add32Bit(a, s1);
b = _C.add32Bit(b, s2);
c = _C.add32Bit(c, s3);
d = _C.add32Bit(d, s4);
}
return _C.utf8ToHex(_C.byteArrayToString([a, b, c, d]));
};
}, 'gallery-2009.11.17-23' );