Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.

        Available via Academic Free License >= 2.1 OR the modified BSD license.

        see: http://dojotoolkit.org/license for details

*/

if(!dojo._hasResource["dojox.sql._crypto"]){

dojo._hasResource["dojox.sql._crypto"]=true;

dojo.provide("dojox.sql._crypto");

dojo.mixin(dojox.sql._crypto,{_POOL_SIZE:100,encrypt:function(_1,_2,_3){

this._initWorkerPool();

var _4={plaintext:_1,password:_2};

_4=dojo.toJson(_4);

_4="encr:"+String(_4);

this._assignWork(_4,_3);

},decrypt:function(_5,_6,_7){

this._initWorkerPool();

var _8={ciphertext:_5,password:_6};

_8=dojo.toJson(_8);

_8="decr:"+String(_8);

this._assignWork(_8,_7);

},_initWorkerPool:function(){

if(!this._manager){

try{

this._manager=google.gears.factory.create("beta.workerpool","1.0");

this._unemployed=[];

this._employed={};

this._handleMessage=[];

var _9=this;

this._manager.onmessage=function(_a,_b){

var _c=_9._employed["_"+_b];

_9._employed["_"+_b]=undefined;

_9._unemployed.push("_"+_b);

if(_9._handleMessage.length){

var _d=_9._handleMessage.shift();

_9._assignWork(_d.msg,_d.callback);

}

_c(_a);

};

var _e="function _workerInit(){"+"gearsWorkerPool.onmessage = "+String(this._workerHandler)+";"+"}";

var _f=_e+" _workerInit();";

for(var i=0;i<this._POOL_SIZE;i++){

this._unemployed.push("_"+this._manager.createWorker(_f));

}

}

catch(exp){

throw exp.message||exp;

}

}

},_assignWork:function(msg,_10){

if(!this._handleMessage.length&&this._unemployed.length){

var _11=this._unemployed.shift().substring(1);

this._employed["_"+_11]=_10;

this._manager.sendMessage(msg,parseInt(_11,10));

}else{

this._handleMessage={msg:msg,callback:_10};

}

},_workerHandler:function(msg,_12){

var _13=[99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,118,202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192,183,253,147,38,54,63,247,204,52,165,229,241,113,216,49,21,4,199,35,195,24,150,5,154,7,18,128,226,235,39,178,117,9,131,44,26,27,110,90,160,82,59,214,179,41,227,47,132,83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207,208,239,170,251,67,77,51,133,69,249,2,127,80,60,159,168,81,163,64,143,146,157,56,245,188,182,218,33,16,255,243,210,205,12,19,236,95,151,68,23,196,167,126,61,100,93,25,115,96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219,224,50,58,10,73,6,36,92,194,211,172,98,145,149,228,121,231,200,55,109,141,213,78,169,108,86,244,234,101,122,174,8,186,120,37,46,28,166,180,198,232,221,116,31,75,189,139,138,112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,158,225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223,140,161,137,13,191,230,66,104,65,153,45,15,176,84,187,22];

var _14=[[0,0,0,0],[1,0,0,0],[2,0,0,0],[4,0,0,0],[8,0,0,0],[16,0,0,0],[32,0,0,0],[64,0,0,0],[128,0,0,0],[27,0,0,0],[54,0,0,0]];

function _15(_16,w){

var Nb=4;

var Nr=w.length/Nb-1;

var _17=[[],[],[],[]];

for(var i=0;i<4*Nb;i++){

_17[i%4][Math.floor(i/4)]=_16[i];

}

_17=_18(_17,w,0,Nb);

for(var _19=1;_19<Nr;_19++){

_17=_1a(_17,Nb);

_17=_1b(_17,Nb);

_17=_1c(_17,Nb);

_17=_18(_17,w,_19,Nb);

}

_17=_1a(_17,Nb);

_17=_1b(_17,Nb);

_17=_18(_17,w,Nr,Nb);

var _1d=new Array(4*Nb);

for(var i=0;i<4*Nb;i++){

_1d[i]=_17[i%4][Math.floor(i/4)];

}

return _1d;

};

function _1a(s,Nb){

for(var r=0;r<4;r++){

for(var c=0;c<Nb;c++){

s[r][c]=_13[s[r][c]];

}

}

return s;

};

function _1b(s,Nb){

var t=new Array(4);

for(var r=1;r<4;r++){

for(var c=0;c<4;c++){

t[c]=s[r][(c+r)%Nb];

}

for(var c=0;c<4;c++){

s[r][c]=t[c];

}

}

return s;

};

function _1c(s,Nb){

for(var c=0;c<4;c++){

var a=new Array(4);

var b=new Array(4);

for(var i=0;i<4;i++){

a[i]=s[i][c];

b[i]=s[i][c]&128?s[i][c]<<1^283:s[i][c]<<1;

}

s[0][c]=b[0]^a[1]^b[1]^a[2]^a[3];

s[1][c]=a[0]^b[1]^a[2]^b[2]^a[3];

s[2][c]=a[0]^a[1]^b[2]^a[3]^b[3];

s[3][c]=a[0]^b[0]^a[1]^a[2]^b[3];

}

return s;

};

function _18(_1e,w,rnd,Nb){

for(var r=0;r<4;r++){

for(var c=0;c<Nb;c++){

_1e[r][c]^=w[rnd*4+c][r];

}

}

return _1e;

};

function _1f(key){

var Nb=4;

var Nk=key.length/4;

var Nr=Nk+6;

var w=new Array(Nb*(Nr+1));

var _20=new Array(4);

for(var i=0;i<Nk;i++){

var r=[key[4*i],key[4*i+1],key[4*i+2],key[4*i+3]];

w[i]=r;

}

for(var i=Nk;i<(Nb*(Nr+1));i++){

w[i]=new Array(4);

for(var t=0;t<4;t++){

_20[t]=w[i-1][t];

}

if(i%Nk==0){

_20=_21(_22(_20));

for(var t=0;t<4;t++){

_20[t]^=_14[i/Nk][t];

}

}else{

if(Nk>6&&i%Nk==4){

_20=_21(_20);

}

}

for(var t=0;t<4;t++){

w[i][t]=w[i-Nk][t]^_20[t];

}

}

return w;

};

function _21(w){

for(var i=0;i<4;i++){

w[i]=_13[w[i]];

}

return w;

};

function _22(w){

w[4]=w[0];

for(var i=0;i<4;i++){

w[i]=w[i+1];

}

return w;

};

function _23(_24,_25,_26){

if(!(_26==128||_26==192||_26==256)){

return "";

}

var _27=_26/8;

var _28=new Array(_27);

for(var i=0;i<_27;i++){

_28[i]=_25.charCodeAt(i)&255;

}

var key=_15(_28,_1f(_28));

key=key.concat(key.slice(0,_27-16));

var _29=16;

var _2a=new Array(_29);

var _2b=(new Date()).getTime();

for(var i=0;i<4;i++){

_2a[i]=(_2b>>>i*8)&255;

}

for(var i=0;i<4;i++){

_2a[i+4]=(_2b/4294967296>>>i*8)&255;

}

var _2c=_1f(key);

var _2d=Math.ceil(_24.length/_29);

var _2e=new Array(_2d);

for(var b=0;b<_2d;b++){

for(var c=0;c<4;c++){

_2a[15-c]=(b>>>c*8)&255;

}

for(var c=0;c<4;c++){

_2a[15-c-4]=(b/4294967296>>>c*8);

}

var _2f=_15(_2a,_2c);

var _30=b<_2d-1?_29:(_24.length-1)%_29+1;

var ct="";

for(var i=0;i<_30;i++){

var _31=_24.charCodeAt(b*_29+i);

var _32=_31^_2f[i];

ct+=String.fromCharCode(_32);

}

_2e[b]=_33(ct);

}

var _34="";

for(var i=0;i<8;i++){

_34+=String.fromCharCode(_2a[i]);

}

_34=_33(_34);

return _34+"-"+_2e.join("-");

};

function _35(_36,_37,_38){

if(!(_38==128||_38==192||_38==256)){

return "";

}

var _39=_38/8;

var _3a=new Array(_39);

for(var i=0;i<_39;i++){

_3a[i]=_37.charCodeAt(i)&255;

}

var _3b=_1f(_3a);

var key=_15(_3a,_3b);

key=key.concat(key.slice(0,_39-16));

var _3c=_1f(key);

_36=_36.split("-");

var _3d=16;

var _3e=new Array(_3d);

var _3f=_40(_36[0]);

for(var i=0;i<8;i++){

_3e[i]=_3f.charCodeAt(i);

}

var _41=new Array(_36.length-1);

for(var b=1;b<_36.length;b++){

for(var c=0;c<4;c++){

_3e[15-c]=((b-1)>>>c*8)&255;

}

for(var c=0;c<4;c++){

_3e[15-c-4]=((b/4294967296-1)>>>c*8)&255;

}

var _42=_15(_3e,_3c);

_36[b]=_40(_36[b]);

var pt="";

for(var i=0;i<_36[b].length;i++){

var _43=_36[b].charCodeAt(i);

var _44=_43^_42[i];

pt+=String.fromCharCode(_44);

}

_41[b-1]=pt;

}

return _41.join("");

};

function _33(str){

return str.replace(/[\0\t\n\v\f\r\xa0!-]/g,function(c){

return "!"+c.charCodeAt(0)+"!";

});

};

function _40(str){

return str.replace(/!\d\d?\d?!/g,function(c){

return String.fromCharCode(c.slice(1,-1));

});

};

function _45(_46,_47){

return _23(_46,_47,256);

};

function _48(_49,_4a){

return _35(_49,_4a,256);

};

var cmd=msg.substr(0,4);

var arg=msg.substr(5);

if(cmd=="encr"){

arg=eval("("+arg+")");

var _4b=arg.plaintext;

var _4c=arg.password;

var _4d=_45(_4b,_4c);

gearsWorkerPool.sendMessage(String(_4d),_12);

}else{

if(cmd=="decr"){

arg=eval("("+arg+")");

var _4e=arg.ciphertext;

var _4c=arg.password;

var _4d=_48(_4e,_4c);

gearsWorkerPool.sendMessage(String(_4d),_12);

}

}

}});

}