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_crypto.js

_crypto.js 6.5 KB
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  1. /*
    2. 

  2. 	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
    3. 

  3. 	Available via Academic Free License >= 2.1 OR the modified BSD license.
    4. 

  4. 	see: http://dojotoolkit.org/license for details
    5. 

  5. */
    6. 

  6. 

  7. 

  8. 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);}}}});}
    9.