Hello,
as I needed MD5 I've written the function. It works, so if you want to add
it to the Qooxdoo trunk (after cleaning it up)...
Christian
[code]
qx.Class.define( "qx.util.Md5",
{
statics :
{
_ASCII : "01234567890123456789012345678901
!\"#$%&'()*+,-./0123456789:;<=>[EMAIL PROTECTED]|}~",
MD5 : function ( nachricht )
{
state = new this._array(4);
count = new this._array(2);
count[0] = 0;
count[1] = 0;
buffer = new this._array(64);
transformBuffer = new this._array(16);
digestBits = new this._array(16);
S11 = 7;
S12 = 12;
S13 = 17;
S14 = 22;
S21 = 5;
S22 = 9;
S23 = 14;
S24 = 20;
S31 = 4;
S32 = 11;
S33 = 16;
S34 = 23;
S41 = 6;
S42 = 10;
S43 = 15;
S44 = 21;
var l,s,k,ka,kb,kc,kd;
this._init();
for (k=0;k<nachricht.length;k++)
{
l=nachricht.charAt(k);
this._update( this._ASCII.lastIndexOf(l));
}
this._finish();
ka=kb=kc=kd=0;
for (i=0;i<4;i++) ka+=this._shl(digestBits[15-i],
(i*8));
for (i=4;i<8;i++) kb+=this._shl(digestBits[15-i],
((i-4)*8));
for (i=8;i<12;i++) kc+=this._shl(digestBits[15-i],
((i-8)*8));
for (i=12;i<16;i++) kd+=this._shl(digestBits[15-i],
((i-12)*8));
s=this._hexa(kd)+this._hexa(kc)+this._hexa(kb)+this._hexa(ka);
return s;
},
_array : function( n )
{
for( i=0; i<n; i++ )
{
this[i]=0;
}
this._length = n;
},
_integer : function( n )
{
return n%( 0xffffffff+1 );
},
_shr : function ( a, b )
{
a = this._integer( a );
b = this._integer( b );
if ( a-0x80000000 >= 0)
{
a = a%0x80000000;
a>>=b;
a+=0x40000000>>( b-1 );
}
else
{
a>>=b;
}
return a;
},
_shl1 : function( a ) {
a = a%0x80000000;
if ( a&0x40000000==0x40000000 )
{
a-=0x40000000;
a*=2;
a+=0x80000000;
}
else
{
a*=2;
}
return a;
},
_shl : function( a, b ) {
a=this._integer(a);
b=this._integer(b);
for (var i=0;i<b;i++) a=this._shl1(a);
return a;
},
_and : function(a,b) {
a=this._integer(a);
b=this._integer(b);
var t1=(a-0x80000000);
var t2=(b-0x80000000);
if (t1>=0)
if (t2>=0)
return ((t1&t2)+0x80000000);
else
return (t1&b);
else
if (t2>=0)
return (a&t2);
else
return (a&b);
},
_or : function( a, b ) {
a=this._integer(a);
b=this._integer(b);
var t1=(a-0x80000000);
var t2=(b-0x80000000);
if (t1>=0)
if (t2>=0)
return ((t1|t2)+0x80000000);
else
return ((t1|b)+0x80000000);
else
if (t2>=0)
return ((a|t2)+0x80000000);
else
return (a|b);
},
_xor : function( a, b ) {
a=this._integer(a);
b=this._integer(b);
var t1=(a-0x80000000);
var t2=(b-0x80000000);
if (t1>=0)
if (t2>=0)
return (t1^t2);
else
return ((t1^b)+0x80000000);
else
if (t2>=0)
return ((a^t2)+0x80000000);
else
return (a^b);
},
_not : function( a ) {
a=this._integer(a);
return (0xffffffff-a);
},
_F : function( x, y, z )
{
return
this._or(this._and(x,y),this._and(this._not(x),z));
},
_G : function( x, y, z )
{
return
this._or(this._and(x,z),this._and(y,this._not(z)));
},
_H : function( x, y, z )
{
return this._xor(this._xor(x,y),z);
},
_I: function( x, y, z )
{
return this._xor(y ,this._or(x , this._not(z)));
},
_rotateLeft : function( a, n )
{
return this._or(this._shl(a, n),(this._shr(a,(32 -
n))));
},
_FF : function( a, b, c, d, x, s, ac)
{
a = a+this._F(b, c, d) + x + ac;
a = this._rotateLeft(a, s);
a = a+b;
return a;
},
_GG : function( a, b, c, d, x, s, ac )
{
a = a+this._G(b, c, d) +x + ac;
a = this._rotateLeft(a, s);
a = a+b;
return a;
},
_HH : function( a, b, c, d, x, s, ac)
{
a = a+this._H(b, c, d) + x + ac;
a = this._rotateLeft(a, s);
a = a+b;
return a;
},
_II : function( a, b, c, d, x, s, ac )
{
a = a+this._I(b, c, d) + x + ac;
a = this._rotateLeft(a, s);
a = a+b;
return a;
},
_transform : function( buf, offset )
{
var a=0, b=0, c=0, d=0;
var x = transformBuffer;
a = state[0];
b = state[1];
c = state[2];
d = state[3];
for (i = 0; i < 16; i++) {
x[i] = this._and(buf[i*4+offset],0xff);
for (j = 1; j < 4; j++) {
x[i]+=this._shl(this._and(buf[i*4+j+offset] ,0xff),
j * 8);
}
}
/* Runde 1 */
a = this._FF ( a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
d = this._FF ( d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
c = this._FF ( c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
b = this._FF ( b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
a = this._FF ( a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
d = this._FF ( d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
c = this._FF ( c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
b = this._FF ( b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
a = this._FF ( a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
d = this._FF ( d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
c = this._FF ( c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
b = this._FF ( b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
a = this._FF ( a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
d = this._FF ( d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
c = this._FF ( c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
b = this._FF ( b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
/* Runde 2 */
a = this._GG ( a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
d = this._GG ( d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
c = this._GG ( c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
b = this._GG ( b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
a = this._GG ( a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
d = this._GG ( d, a, b, c, x[10], S22, 0x2441453); /* 22 */
c = this._GG ( c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
b = this._GG ( b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
a = this._GG ( a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
d = this._GG ( d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
c = this._GG ( c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
b = this._GG ( b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
a = this._GG ( a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
d = this._GG ( d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
c = this._GG ( c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
b = this._GG ( b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
/* Runde 3 */
a = this._HH ( a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
d = this._HH ( d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
c = this._HH ( c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
b = this._HH ( b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
a = this._HH ( a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
d = this._HH ( d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
c = this._HH ( c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
b = this._HH ( b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
a = this._HH ( a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
d = this._HH ( d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
c = this._HH ( c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
b = this._HH ( b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
a = this._HH ( a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
d = this._HH ( d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
c = this._HH ( c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
b = this._HH ( b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
/* Runde 4 */
a = this._II ( a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
d = this._II ( d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
c = this._II ( c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
b = this._II ( b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
a = this._II ( a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
d = this._II ( d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
c = this._II ( c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
b = this._II ( b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
a = this._II ( a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
d = this._II ( d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
c = this._II ( c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
b = this._II ( b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
a = this._II ( a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
d = this._II ( d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
c = this._II ( c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
b = this._II ( b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
state[0] +=a;
state[1] +=b;
state[2] +=c;
state[3] +=d;
},
_init : function()
{
count[0]=count[1] = 0;
state[0] = 0x67452301;
state[1] = 0xefcdab89;
state[2] = 0x98badcfe;
state[3] = 0x10325476;
for (i = 0; i < digestBits.length; i++)
digestBits[i] = 0;
},
_update : function( b )
{
var index,i;
index = this._and(this._shr(count[0],3) , 0x3f);
if (count[0]<0xffffffff-7)
count[0] += 8;
else {
count[1]++;
count[0]-=0xffffffff+1;
count[0]+=8;
}
buffer[index] = this._and(b,0xff);
if (index >= 63) {
this._transform(buffer, 0);
}
},
_finish : function()
{
var bits = new this._array(8);
var padding;
var i=0, index=0, padLen=0;
for (i = 0; i < 4; i++) {
bits[i] = this._and(this._shr(count[0],(i * 8)), 0xff);
}
for (i = 0; i < 4; i++) {
bits[i+4]=this._and(this._shr(count[1],(i * 8)), 0xff);
}
index = this._and(this._shr(count[0], 3) ,0x3f);
padLen = (index < 56) ? (56 - index) : (120 - index);
padding = new this._array(64);
padding[0] = 0x80;
for (i=0;i<padLen;i++)
this._update(padding[i]);
for (i=0;i<8;i++)
this._update(bits[i]);
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
digestBits[i*4+j] = this._and(this._shr(state[i],
(j * 8)) ,
0xff);
}
}
},
_hexa : function(n)
{
var hexa_h = "0123456789abcdef";
var hexa_c="";
var hexa_m=n;
for (hexa_i=0;hexa_i<8;hexa_i++)
{
hexa_c=hexa_h.charAt(Math.abs(hexa_m)%16)+hexa_c;
hexa_m=Math.floor(hexa_m/16);
}
return hexa_c;
}
}
});
[/code]
--
View this message in context:
http://www.nabble.com/FYI%3A-qx.util.Md5-tf4086689.html#a11615407
Sent from the qooxdoo-devel mailing list archive at Nabble.com.
-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
qooxdoo-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
