@@ -1,192 +1,192 @@
/*
* http://www.myersdaily.org/joseph/javascript/md5-text.html
*/
( function ( ) {
var md5cycle = function ( x , k ) {
var a = x [ 0 ] , b = x [ 1 ] , c = x [ 2 ] , d = x [ 3 ] ;
a = ff ( a , b , c , d , k [ 0 ] , 7 , - 680876936 ) ;
d = ff ( d , a , b , c , k [ 1 ] , 12 , - 389564586 ) ;
c = ff ( c , d , a , b , k [ 2 ] , 17 , 606105819 ) ;
b = ff ( b , c , d , a , k [ 3 ] , 22 , - 1044525330 ) ;
a = ff ( a , b , c , d , k [ 4 ] , 7 , - 176418897 ) ;
d = ff ( d , a , b , c , k [ 5 ] , 12 , 1200080426 ) ;
c = ff ( c , d , a , b , k [ 6 ] , 17 , - 1473231341 ) ;
b = ff ( b , c , d , a , k [ 7 ] , 22 , - 45705983 ) ;
a = ff ( a , b , c , d , k [ 8 ] , 7 , 1770035416 ) ;
d = ff ( d , a , b , c , k [ 9 ] , 12 , - 1958414417 ) ;
c = ff ( c , d , a , b , k [ 10 ] , 17 , - 42063 ) ;
b = ff ( b , c , d , a , k [ 11 ] , 22 , - 1990404162 ) ;
a = ff ( a , b , c , d , k [ 12 ] , 7 , 1804603682 ) ;
d = ff ( d , a , b , c , k [ 13 ] , 12 , - 40341101 ) ;
c = ff ( c , d , a , b , k [ 14 ] , 17 , - 1502002290 ) ;
b = ff ( b , c , d , a , k [ 15 ] , 22 , 1236535329 ) ;
a = gg ( a , b , c , d , k [ 1 ] , 5 , - 165796510 ) ;
d = gg ( d , a , b , c , k [ 6 ] , 9 , - 1069501632 ) ;
c = gg ( c , d , a , b , k [ 11 ] , 14 , 643717713 ) ;
b = gg ( b , c , d , a , k [ 0 ] , 20 , - 373897302 ) ;
a = gg ( a , b , c , d , k [ 5 ] , 5 , - 701558691 ) ;
d = gg ( d , a , b , c , k [ 10 ] , 9 , 38016083 ) ;
c = gg ( c , d , a , b , k [ 15 ] , 14 , - 660478335 ) ;
b = gg ( b , c , d , a , k [ 4 ] , 20 , - 405537848 ) ;
a = gg ( a , b , c , d , k [ 9 ] , 5 , 568446438 ) ;
d = gg ( d , a , b , c , k [ 14 ] , 9 , - 1019803690 ) ;
c = gg ( c , d , a , b , k [ 3 ] , 14 , - 187363961 ) ;
b = gg ( b , c , d , a , k [ 8 ] , 20 , 1163531501 ) ;
a = gg ( a , b , c , d , k [ 13 ] , 5 , - 1444681467 ) ;
d = gg ( d , a , b , c , k [ 2 ] , 9 , - 51403784 ) ;
c = gg ( c , d , a , b , k [ 7 ] , 14 , 1735328473 ) ;
b = gg ( b , c , d , a , k [ 12 ] , 20 , - 1926607734 ) ;
a = hh ( a , b , c , d , k [ 5 ] , 4 , - 378558 ) ;
d = hh ( d , a , b , c , k [ 8 ] , 11 , - 2022574463 ) ;
c = hh ( c , d , a , b , k [ 11 ] , 16 , 1839030562 ) ;
b = hh ( b , c , d , a , k [ 14 ] , 23 , - 35309556 ) ;
a = hh ( a , b , c , d , k [ 1 ] , 4 , - 1530992060 ) ;
d = hh ( d , a , b , c , k [ 4 ] , 11 , 1272893353 ) ;
c = hh ( c , d , a , b , k [ 7 ] , 16 , - 155497632 ) ;
b = hh ( b , c , d , a , k [ 10 ] , 23 , - 1094730640 ) ;
a = hh ( a , b , c , d , k [ 13 ] , 4 , 681279174 ) ;
d = hh ( d , a , b , c , k [ 0 ] , 11 , - 358537222 ) ;
c = hh ( c , d , a , b , k [ 3 ] , 16 , - 722521979 ) ;
b = hh ( b , c , d , a , k [ 6 ] , 23 , 76029189 ) ;
a = hh ( a , b , c , d , k [ 9 ] , 4 , - 640364487 ) ;
d = hh ( d , a , b , c , k [ 12 ] , 11 , - 421815835 ) ;
c = hh ( c , d , a , b , k [ 15 ] , 16 , 530742520 ) ;
b = hh ( b , c , d , a , k [ 2 ] , 23 , - 995338651 ) ;
a = ii ( a , b , c , d , k [ 0 ] , 6 , - 198630844 ) ;
d = ii ( d , a , b , c , k [ 7 ] , 10 , 1126891415 ) ;
c = ii ( c , d , a , b , k [ 14 ] , 15 , - 1416354905 ) ;
b = ii ( b , c , d , a , k [ 5 ] , 21 , - 57434055 ) ;
a = ii ( a , b , c , d , k [ 12 ] , 6 , 1700485571 ) ;
d = ii ( d , a , b , c , k [ 3 ] , 10 , - 1894986606 ) ;
c = ii ( c , d , a , b , k [ 10 ] , 15 , - 1051523 ) ;
b = ii ( b , c , d , a , k [ 1 ] , 21 , - 2054922799 ) ;
a = ii ( a , b , c , d , k [ 8 ] , 6 , 1873313359 ) ;
d = ii ( d , a , b , c , k [ 15 ] , 10 , - 30611744 ) ;
c = ii ( c , d , a , b , k [ 6 ] , 15 , - 1560198380 ) ;
b = ii ( b , c , d , a , k [ 13 ] , 21 , 1309151649 ) ;
a = ii ( a , b , c , d , k [ 4 ] , 6 , - 145523070 ) ;
d = ii ( d , a , b , c , k [ 11 ] , 10 , - 1120210379 ) ;
c = ii ( c , d , a , b , k [ 2 ] , 15 , 718787259 ) ;
b = ii ( b , c , d , a , k [ 9 ] , 21 , - 343485551 ) ;
x [ 0 ] = add32 ( a , x [ 0 ] ) ;
x [ 1 ] = add32 ( b , x [ 1 ] ) ;
x [ 2 ] = add32 ( c , x [ 2 ] ) ;
x [ 3 ] = add32 ( d , x [ 3 ] ) ;
}
var cmn = function ( q , a , b , x , s , t ) {
a = add32 ( add32 ( a , q ) , add32 ( x , t ) ) ;
return add32 ( ( a << s ) | ( a >>> ( 32 - s ) ) , b ) ;
}
var ff = function ( a , b , c , d , x , s , t ) {
return cmn ( ( b & c ) | ( ( ~ b ) & d ) , a , b , x , s , t ) ;
}
var gg = function ( a , b , c , d , x , s , t ) {
return cmn ( ( b & d ) | ( c & ( ~ d ) ) , a , b , x , s , t ) ;
}
var hh = function ( a , b , c , d , x , s , t ) {
return cmn ( b ^ c ^ d , a , b , x , s , t ) ;
}
var ii = function ( a , b , c , d , x , s , t ) {
return cmn ( c ^ ( b | ( ~ d ) ) , a , b , x , s , t ) ;
}
var md51 = function ( s ) {
txt = '' ;
var n = s . length ,
state = [ 1732584193 , - 271733879 , - 1732584194 , 271733878 ] , i ;
for ( i = 64 ; i <= s . length ; i += 64 ) {
md5cycle ( state , md5blk ( s . substring ( i - 64 , i ) ) ) ;
}
s = s . substring ( i - 64 ) ;
var tail = [ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] ;
for ( i = 0 ; i < s . length ; i ++ )
tail [ i >> 2 ] | =s . charCodeAt ( i ) << ( ( i % 4 ) << 3 ) ;
tail [ i >> 2 ] |= 0x80 << ( ( i % 4 ) << 3 ) ;
if ( i > 55 ) {
md5cycle ( state , tail ) ;
for ( i = 0 ; i < 16 ; i ++ ) tail [ i ] = 0 ;
}
tail [ 14 ] = n * 8 ;
md5cycle ( state , tail ) ;
return state ;
}
/* there needs to be support for Unicode here,
* unless we pretend that we can redefine the MD-5
* algorithm for multi-byte characters (perhaps
* by adding every four 16-bit characters and
* shortening the sum to 32 bits). Otherwise
* I suggest performing MD-5 as if every character
* was two bytes--e.g., 0040 0025 = @%--but then
* how will an ordinary MD-5 sum be matched?
* There is no way to standardize text to something
* like UTF-8 before transformation; speed cost is
* utterly prohibitive. The JavaScript standard
* itself needs to look at this: it should start
* providing access to strings as preformed UTF-8
* 8-bit unsigned value arrays.
*/
var md5blk = function ( s ) { /* I figured global was faster. */
var md5blks = [ ] , i ; /* Andy King said do it this way. */
for ( i = 0 ; i < 64 ; i += 4 ) {
md5blks [ i >> 2 ] = s . charCodeAt ( i )
+ ( s . charCodeAt ( i + 1 ) << 8 )
+ ( s . charCodeAt ( i + 2 ) << 16 )
+ ( s . charCodeAt ( i + 3 ) << 24 ) ;
}
return md5blks ;
}
var hex_chr = '0123456789abcdef' . split ( '' ) ;
var rhex = function ( n )
{
var s = '' , j = 0 ;
for ( ; j < 4 ; j ++ )
s += hex_chr [ ( n >> ( j * 8 + 4 ) ) & 0x0F ]
+ hex_chr [ ( n >> ( j * 8 ) ) & 0x0F ] ;
return s ;
}
var hex = function ( x ) {
for ( var i = 0 ; i < x . length ; i ++ )
x [ i ] = rhex ( x [ i ] ) ;
return x . join ( '' ) ;
}
window . md5 = function ( s ) {
return hex ( md51 ( s ) ) ;
}
/* this function is much faster,
so if possible we use it. Some IEs
are the only ones I know of that
need the idiotic second function,
generated by an if clause. */
var add32 = function ( a , b ) {
return ( a + b ) & 0xFFFFFFFF ;
}
if ( md5 ( 'hello' ) != '5d41402abc4b2a76b9719d911017c592' ) {
var add32 = function ( x , y ) {
var lsw = ( x & 0xFFFF ) + ( y & 0xFFFF ) ,
msw = ( x >> 16 ) + ( y >> 16 ) + ( lsw >> 16 ) ;
return ( msw << 16 ) | ( lsw & 0xFFFF ) ;
}
}
} ) ( ) ;
( function ( global ) {
var md5cycle = function ( x , k ) {
var a = x [ 0 ] ,
b = x [ 1 ] ,
c = x [ 2 ] ,
d = x [ 3 ] ;
a = ff ( a , b , c , d , k [ 0 ] , 7 , - 680876936 ) ;
d = ff ( d , a , b , c , k [ 1 ] , 12 , - 389564586 ) ;
c = ff ( c , d , a , b , k [ 2 ] , 17 , 606105819 ) ;
b = ff ( b , c , d , a , k [ 3 ] , 22 , - 1044525330 ) ;
a = ff ( a , b , c , d , k [ 4 ] , 7 , - 176418897 ) ;
d = ff ( d , a , b , c , k [ 5 ] , 12 , 1200080426 ) ;
c = ff ( c , d , a , b , k [ 6 ] , 17 , - 1473231341 ) ;
b = ff ( b , c , d , a , k [ 7 ] , 22 , - 45705983 ) ;
a = ff ( a , b , c , d , k [ 8 ] , 7 , 1770035416 ) ;
d = ff ( d , a , b , c , k [ 9 ] , 12 , - 1958414417 ) ;
c = ff ( c , d , a , b , k [ 10 ] , 17 , - 42063 ) ;
b = ff ( b , c , d , a , k [ 11 ] , 22 , - 1990404162 ) ;
a = ff ( a , b , c , d , k [ 12 ] , 7 , 1804603682 ) ;
d = ff ( d , a , b , c , k [ 13 ] , 12 , - 40341101 ) ;
c = ff ( c , d , a , b , k [ 14 ] , 17 , - 1502002290 ) ;
b = ff ( b , c , d , a , k [ 15 ] , 22 , 1236535329 ) ;
a = gg ( a , b , c , d , k [ 1 ] , 5 , - 165796510 ) ;
d = gg ( d , a , b , c , k [ 6 ] , 9 , - 1069501632 ) ;
c = gg ( c , d , a , b , k [ 11 ] , 14 , 643717713 ) ;
b = gg ( b , c , d , a , k [ 0 ] , 20 , - 373897302 ) ;
a = gg ( a , b , c , d , k [ 5 ] , 5 , - 701558691 ) ;
d = gg ( d , a , b , c , k [ 10 ] , 9 , 38016083 ) ;
c = gg ( c , d , a , b , k [ 15 ] , 14 , - 660478335 ) ;
b = gg ( b , c , d , a , k [ 4 ] , 20 , - 405537848 ) ;
a = gg ( a , b , c , d , k [ 9 ] , 5 , 568446438 ) ;
d = gg ( d , a , b , c , k [ 14 ] , 9 , - 1019803690 ) ;
c = gg ( c , d , a , b , k [ 3 ] , 14 , - 187363961 ) ;
b = gg ( b , c , d , a , k [ 8 ] , 20 , 1163531501 ) ;
a = gg ( a , b , c , d , k [ 13 ] , 5 , - 1444681467 ) ;
d = gg ( d , a , b , c , k [ 2 ] , 9 , - 51403784 ) ;
c = gg ( c , d , a , b , k [ 7 ] , 14 , 1735328473 ) ;
b = gg ( b , c , d , a , k [ 12 ] , 20 , - 1926607734 ) ;
a = hh ( a , b , c , d , k [ 5 ] , 4 , - 378558 ) ;
d = hh ( d , a , b , c , k [ 8 ] , 11 , - 2022574463 ) ;
c = hh ( c , d , a , b , k [ 11 ] , 16 , 1839030562 ) ;
b = hh ( b , c , d , a , k [ 14 ] , 23 , - 35309556 ) ;
a = hh ( a , b , c , d , k [ 1 ] , 4 , - 1530992060 ) ;
d = hh ( d , a , b , c , k [ 4 ] , 11 , 1272893353 ) ;
c = hh ( c , d , a , b , k [ 7 ] , 16 , - 155497632 ) ;
b = hh ( b , c , d , a , k [ 10 ] , 23 , - 1094730640 ) ;
a = hh ( a , b , c , d , k [ 13 ] , 4 , 681279174 ) ;
d = hh ( d , a , b , c , k [ 0 ] , 11 , - 358537222 ) ;
c = hh ( c , d , a , b , k [ 3 ] , 16 , - 722521979 ) ;
b = hh ( b , c , d , a , k [ 6 ] , 23 , 76029189 ) ;
a = hh ( a , b , c , d , k [ 9 ] , 4 , - 640364487 ) ;
d = hh ( d , a , b , c , k [ 12 ] , 11 , - 421815835 ) ;
c = hh ( c , d , a , b , k [ 15 ] , 16 , 530742520 ) ;
b = hh ( b , c , d , a , k [ 2 ] , 23 , - 995338651 ) ;
a = ii ( a , b , c , d , k [ 0 ] , 6 , - 198630844 ) ;
d = ii ( d , a , b , c , k [ 7 ] , 10 , 1126891415 ) ;
c = ii ( c , d , a , b , k [ 14 ] , 15 , - 1416354905 ) ;
b = ii ( b , c , d , a , k [ 5 ] , 21 , - 57434055 ) ;
a = ii ( a , b , c , d , k [ 12 ] , 6 , 1700485571 ) ;
d = ii ( d , a , b , c , k [ 3 ] , 10 , - 1894986606 ) ;
c = ii ( c , d , a , b , k [ 10 ] , 15 , - 1051523 ) ;
b = ii ( b , c , d , a , k [ 1 ] , 21 , - 2054922799 ) ;
a = ii ( a , b , c , d , k [ 8 ] , 6 , 1873313359 ) ;
d = ii ( d , a , b , c , k [ 15 ] , 10 , - 30611744 ) ;
c = ii ( c , d , a , b , k [ 6 ] , 15 , - 1560198380 ) ;
b = ii ( b , c , d , a , k [ 13 ] , 21 , 1309151649 ) ;
a = ii ( a , b , c , d , k [ 4 ] , 6 , - 145523070 ) ;
d = ii ( d , a , b , c , k [ 11 ] , 10 , - 1120210379 ) ;
c = ii ( c , d , a , b , k [ 2 ] , 15 , 718787259 ) ;
b = ii ( b , c , d , a , k [ 9 ] , 21 , - 343485551 ) ;
x [ 0 ] = add32 ( a , x [ 0 ] ) ;
x [ 1 ] = add32 ( b , x [ 1 ] ) ;
x [ 2 ] = add32 ( c , x [ 2 ] ) ;
x [ 3 ] = add32 ( d , x [ 3 ] ) ;
}
var cmn = function ( q , a , b , x , s , t ) {
a = add32 ( add32 ( a , q ) , add32 ( x , t ) ) ;
return add32 ( ( a << s ) | ( a >>> ( 32 - s ) ) , b ) ;
}
var ff = function ( a , b , c , d , x , s , t ) {
return cmn ( ( b & c ) | ( ( ~ b ) & d ) , a , b , x , s , t ) ;
}
var gg = function ( a , b , c , d , x , s , t ) {
return cmn ( ( b & d ) | ( c & ( ~ d ) ) , a , b , x , s , t ) ;
}
var hh = function ( a , b , c , d , x , s , t ) {
return cmn ( b ^ c ^ d , a , b , x , s , t ) ;
}
var ii = function ( a , b , c , d , x , s , t ) {
return cmn ( c ^ ( b | ( ~ d ) ) , a , b , x , s , t ) ;
}
var md51 = function ( s ) {
var txt = '' ,
n = s . length ,
state = [ 1732584193 , - 271733879 , - 1732584194 , 271733878 ] ,
i ;
for ( i = 64 ; i <= s . length ; i += 64 ) {
md5cycle ( state , md5blk ( s . substring ( i - 64 , i ) ) ) ;
}
s = s . substring ( i - 64 ) ;
var tail = [ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] ;
for ( i = 0 ; i < s . length ; i ++ )
tail [ i >> 2 ] |= s . charCodeAt ( i ) << ( ( i % 4 ) << 3 ) ;
tail [ i >> 2 ] |= 0x80 << ( ( i % 4 ) << 3 ) ;
if ( i > 55 ) {
md5cycle ( state , tail ) ;
for ( i = 0 ; i < 16 ; i ++ ) tail [ i ] = 0 ;
}
tail [ 14 ] = n * 8 ;
md5cycle ( state , tail ) ;
return state ;
}
/* there needs to be support for Unicode here,
* unless we pretend that we can redefine the MD-5
* algorithm for multi-byte characters (perhaps
* by adding every four 16-bit characters and
* shortening the sum to 32 bits). Otherwise
* I suggest performing MD-5 as if every character
* was two bytes--e.g., 0040 0025 = @%--but then
* how will an ordinary MD-5 sum be matched?
* There is no way to standardize text to something
* like UTF-8 before transformation; speed cost is
* utterly prohibitive. The JavaScript standard
* itself needs to look at this: it should start
* providing access to strings as preformed UTF-8
* 8-bit unsigned value arrays.
*/
var md5blk = function ( s ) { /* I figured global was faster. */
var md5blks = [ ] ,
i ; /* Andy King said do it this way. */
for ( i = 0 ; i < 64 ; i += 4 ) {
md5blks [ i >> 2 ] = s . charCodeAt ( i ) + ( s . charCodeAt ( i + 1 ) << 8 ) + ( s . charCodeAt ( i + 2 ) << 16 ) + ( s . charCodeAt ( i + 3 ) << 24 ) ;
}
return md5blks ;
}
var hex_chr = '0123456789abcdef' . split ( '' ) ;
var rhex = function ( n ) {
var s = '' ,
j = 0 ;
for ( ; j < 4 ; j ++ )
s += hex_chr [ ( n >> ( j * 8 + 4 ) ) & 0x0F ] + hex_chr [ ( n >> ( j * 8 ) ) & 0x0F ] ;
return s ;
}
var hex = function ( x ) {
for ( var i = 0 ; i < x . length ; i ++ )
x [ i ] = rhex ( x [ i ] ) ;
return x . join ( '' ) ;
}
global . md5 = function ( s ) {
return hex ( md51 ( s ) ) ;
}
/* this function is much faster,
so if possible we use it. Some IEs
are the only ones I know of that
need the idiotic second function,
generated by an if clause. */
var add32 = function ( a , b ) {
return ( a + b ) & 0xFFFFFFFF ;
}
if ( md5 ( 'hello' ) != '5d41402abc4b2a76b9719d911017c592' ) {
var add32 = function ( x , y ) {
var lsw = ( x & 0xFFFF ) + ( y & 0xFFFF ) ,
msw = ( x >> 16 ) + ( y >> 16 ) + ( lsw >> 16 ) ;
return ( msw << 16 ) | ( lsw & 0xFFFF ) ;
}
}
} ) ( window ) ;
PixnBits revised this gist
jhoff created this gist