File "3mrsa.js.download"
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// ---------------------------------------------------------------------------------
// constructor
// ---------------------------------------------------------------------------------
function s3mRSAcrypt( p, klen, N, E )
{
this.klen = klen;
this.pname = p;
this.rsa = new RSAKey();
this.rsa.setPublic( N, E );
}
// ---------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------
function fn3mRSAcryptEncrypt( toCrypt )
{
var output = this.rsa.encrypt( toCrypt );
var olen = this.klen / 4;
while ( output.length < olen ) output = '0' + output;
return output ;
}
// ---------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------
function fn3mNormalize( isq, type, text )
{
var textBytes = [];
if ( type ) text = text.trim().toUpperCase();
for ( var i = 0; i < text.length; i++ )
{
var j = text.charCodeAt( i );
if ( j < 32 ) j = 32;
else if ( j > 255 )
{
switch ( j )
{
case 353: j = 154; break;
case 339: j = 156; break;
case 382: j = 158; break;
case 352: j = 138; break;
case 338: j = 140; break;
case 381: j = 142; break;
default : j = 255; break;
}
}
textBytes.push( j );
}
if ( type )
{
textBytes.push( 0 );
var i = 0, j = 0;
while ( i++ < text.length )
if ( textBytes[ i ] > 32 || textBytes[ j ] > 32 )
if ( ++j != i ) textBytes[ j ] = textBytes[ i ];
textBytes.length = j;
}
if ( isq ) while ( textBytes.length < 8 ) textBytes.push( 0x01 );
return textBytes;
}
// ---------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------
function fn3mPrepareText( type, q, k )
{
function hashit( a )
{
var x = md5( String.fromCharCode.apply( null, a ) );
var output = [];
for ( var n = 0; n < x.length; n += 2 )
output.push( parseInt( x.substr( n, 2 ), 16 ) );
output = output.concat( output.slice( 0, 5 ) );
x = btoa( String.fromCharCode.apply( null, output ) );
output.length = 0
for ( var n = 0; n < x.length; n++ )
output.push( x.charCodeAt( n ) );
return ( output );
}
function crunch( type, Bytes )
{
var output = [ 0, 0, 0, 0 ];
if ( type )
{
var work = 0;
var mask = 0;
for ( var i = 0; i < 32; i++ )
{
work <<= 7;
work |= ( i < Bytes.length ? Bytes[ i ] & 0x7F : 0x7F );
mask += 7;
if ( mask >= 8 )
{
mask -= 8;
output.push( ( work >> mask ) & 0xFF );
}
}
}
else
{
if ( Bytes.length > 28 ) Bytes = hashit( Bytes );
output = output.concat( Bytes );
while ( output.length < 32 ) output.push( 0xFF );
}
output[0] = Bytes.length;
return( output );
}
var textBytes = this.normalize( 1, type, q );
var partBytes = this.normalize( 0, 1, k );
if ( type && textBytes.length > 32 ) textBytes.length = 32;
switch ( type )
{
case 0:
textBytes = textBytes.concat( partBytes );
var hex = sha256( String.fromCharCode.apply( null, textBytes ) ).toString();
textBytes.length = 0;
for ( var n = 0; n < hex.length; n += 2 )
textBytes.push( parseInt( hex.substr( n, 2 ), 16 ) );
break;
case 1:
partBytes = crunch( 0, partBytes );
textBytes = crunch( 1, textBytes );
for ( var i = 0; i < textBytes.length; i++ )
textBytes[ i ] ^= partBytes[ i ];
textBytes[ 0 ] |= 0x60;
break;
case 2:
if ( partBytes.length > 12 ) partBytes = partBytes.slice( -12 );
textBytes = partBytes.concat( textBytes );
while( textBytes.length < 44 ) textBytes.push( 0x1B );
break;
default:
textBytes = null;
}
return textBytes;
}
// ---------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------
function fn3mPswdPackage( q, k, n, s )
{
var output = null;
if ( k != null && k.length > 0 )
{
var j = new Object();
j.Q = [];
for ( var i = 0; i < n; i++ )
{
if ( i >= s && q != null && q.length > 0 )
{
var p = this.prepare( i, q, k );
j.Q[ i ] = [ q.length, this.encrypt( p ) ];
}
else
j.Q[ i ] = [ 0, "" ];
}
j.P = this.pname;
output = "8," + window.btoa( JSON.stringify( j ) );
}
return output;
}
s3mRSAcrypt.prototype.encrypt = fn3mRSAcryptEncrypt;
s3mRSAcrypt.prototype.normalize = fn3mNormalize;
s3mRSAcrypt.prototype.prepare = fn3mPrepareText;
s3mRSAcrypt.prototype.passwords = fn3mPswdPackage;
// ---------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------
function md5cycle(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]);
}
function cmn(q, a, b, x, s, t) {
a = add32(add32(a, q), add32(x, t));
return add32((a << s) | (a >>> (32 - s)), b);
}
function ff(a, b, c, d, x, s, t) {
return cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function gg(a, b, c, d, x, s, t) {
return cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function hh(a, b, c, d, x, s, t) {
return cmn(b ^ c ^ d, a, b, x, s, t);
}
function ii(a, b, c, d, x, s, t) {
return cmn(c ^ (b | (~d)), a, b, x, s, t);
}
function md51(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.
*/
function md5blk(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('');
function rhex(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;
}
function hex(x) {
for (var i=0; i<x.length; i++)
x[i] = rhex(x[i]);
return x.join('');
}
function md5(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. */
function add32(a, b) {
return (a + b) & 0xFFFFFFFF;
}
if (md5('hello') != '5d41402abc4b2a76b9719d911017c592') {
function add32(x, y) {
var lsw = (x & 0xFFFF) + (y & 0xFFFF),
msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
}