PC World Komputer 2010 April/PCWorld0410.iso/pluginy Firefox/3863/3863.xpi/chrome/imacros.jar/content/rijndael.js

Text File | 2010-01-25 | 17KB | 3 lines

var Rijndael=(function(){var keySizeInBits=256;var blockSizeInBits=256;var roundsArray=[,,,,[,,,,10,,12,,14],,[,,,,12,,12,,14],,[,,,,14,,14,,14]];var shiftOffsets=[,,,,[,1,2,3],,[,1,2,3],,[,1,3,4]];var Rcon=[0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x1b,0x36,0x6c,0xd8,0xab,0x4d,0x9a,0x2f,0x5e,0xbc,0x63,0xc6,0x97,0x35,0x6a,0xd4,0xb3,0x7d,0xfa,0xef,0xc5,0x91];var SBox=[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 SBoxInverse=[82,9,106,213,48,54,165,56,191,64,163,158,129,243,215,251,124,227,57,130,155,47,255,135,52,142,67,68,196,222,233,203,84,123,148,50,166,194,35,61,238,76,149,11,66,250,195,78,8,46,161,102,40,217,36,178,118,91,162,73,109,139,209,37,114,248,246,100,134,104,152,22,212,164,92,204,93,101,182,146,108,112,72,80,253,237,185,218,94,21,70,87,167,141,157,132,144,216,171,0,140,188,211,10,247,228,88,5,184,179,69,6,208,44,30,143,202,63,15,2,193,175,189,3,1,19,138,107,58,145,17,65,79,103,220,234,151,242,207,206,240,180,230,115,150,172,116,34,231,173,53,133,226,249,55,232,28,117,223,110,71,241,26,113,29,41,197,137,111,183,98,14,170,24,190,27,252,86,62,75,198,210,121,32,154,219,192,254,120,205,90,244,31,221,168,51,136,7,199,49,177,18,16,89,39,128,236,95,96,81,127,169,25,181,74,13,45,229,122,159,147,201,156,239,160,224,59,77,174,42,245,176,200,235,187,60,131,83,153,97,23,43,4,126,186,119,214,38,225,105,20,99,85,33,12,125];var SBoxInverse1=[254,58,12,203,236,12,6,145,248,120,116,200,233,105,92,102,5,255,30,243,104,63,61,137,85,39,118,182,179,124,27,19,19,107,28,179,6,54,249,102,90,73,23,221,173,247,249,134,51,49,65,116,79,147,184,207,136,164,21,213,68,217,228,234,195,234,24,215,245,96,187,115,62,128,212,236,136,55,75,208,166,50,11,7,47,204,207,157,218,11,159,42,113,245,87,217];function cyclicShiftLeft(theArray,positions){var temp=theArray.slice(0,positions);theArray=theArray.slice(positions).concat(temp);return theArray;};var Nk=keySizeInBits/32;var Nb=blockSizeInBits/32;var Nr=roundsArray[Nk][Nb];function xtime(poly){poly<<=1;return((poly&0x100)?(poly^0x11B):(poly));};function mult_GF256(x,y){var bit,result=0;for(bit=1;bit<256;bit*=2,y=xtime(y)){if(x&bit)result^=y;}return result;};function byteSub(state,direction){var S;if(direction=="encrypt")S=SBox;else S=SBoxInverse;for(var i=0;i<4;i++)for(var j=0;j<Nb;j++)state[i][j]=S[state[i][j]];};function shiftRow(state,direction){for(var i=1;i<4;i++)if(direction=="encrypt")state[i]=cyclicShiftLeft(state[i],shiftOffsets[Nb][i]);else state[i]=cyclicShiftLeft(state[i],Nb-shiftOffsets[Nb][i]);};function mixColumn(state,direction){var b=[];for(var j=0;j<Nb;j++){for(var i=0;i<4;i++){if(direction=="encrypt")b[i]=mult_GF256(state[i][j],2)^mult_GF256(state[(i+1)%4][j],3)^state[(i+2)%4][j]^state[(i+3)%4][j];else b[i]=mult_GF256(state[i][j],0xE)^mult_GF256(state[(i+1)%4][j],0xB)^mult_GF256(state[(i+2)%4][j],0xD)^mult_GF256(state[(i+3)%4][j],9);}for(var i=0;i<4;i++)state[i][j]=b[i];}};function addRoundKey(state,roundKey){for(var j=0;j<Nb;j++){state[0][j]^=(roundKey[j]&0xFF);state[1][j]^=((roundKey[j]>>8)&0xFF);state[2][j]^=((roundKey[j]>>16)&0xFF);state[3][j]^=((roundKey[j]>>24)&0xFF);}};function keyExpansion(key){var expandedKey=new Array();var temp;Nk=keySizeInBits/32;Nb=blockSizeInBits/32;Nr=roundsArray[Nk][Nb];for(var j=0;j<Nk;j++)expandedKey[j]=(key[4*j])|(key[4*j+1]<<8)|(key[4*j+2]<<16)|(key[4*j+3]<<24);for(j=Nk;j<Nb*(Nr+1);j++){temp=expandedKey[j-1];if(j%Nk==0)temp=((SBox[(temp>>8)&0xFF])|(SBox[(temp>>16)&0xFF]<<8)|(SBox[(temp>>24)&0xFF]<<16)|(SBox[temp&0xFF]<<24))^Rcon[Math.floor(j/Nk)-1];else if(Nk>6&&j%Nk==4)temp=(SBox[(temp>>24)&0xFF]<<24)|(SBox[(temp>>16)&0xFF]<<16)|(SBox[(temp>>8)&0xFF]<<8)|(SBox[temp&0xFF]);expandedKey[j]=expandedKey[j-Nk]^temp;}return expandedKey;};function Round(state,roundKey){byteSub(state,"encrypt");shiftRow(state,"encrypt");mixColumn(state,"encrypt");addRoundKey(state,roundKey);};function InverseRound(state,roundKey){addRoundKey(state,roundKey);mixColumn(state,"decrypt");shiftRow(state,"decrypt");byteSub(state,"decrypt");};function FinalRound(state,roundKey){byteSub(state,"encrypt");shiftRow(state,"encrypt");addRoundKey(state,roundKey);};function InverseFinalRound(state,roundKey){addRoundKey(state,roundKey);shiftRow(state,"decrypt");byteSub(state,"decrypt");};function encrypt(block,expandedKey){var i;if(!block||block.length*8!=blockSizeInBits)return;if(!expandedKey)return;block=packBytes(block);addRoundKey(block,expandedKey);for(i=1;i<Nr;i++)Round(block,expandedKey.slice(Nb*i,Nb*(i+1)));FinalRound(block,expandedKey.slice(Nb*Nr));return unpackBytes(block);};function decrypt(block,expandedKey){var i;if(!block||block.length*8!=blockSizeInBits)return;if(!expandedKey)return;block=packBytes(block);InverseFinalRound(block,expandedKey.slice(Nb*Nr));for(i=Nr-1;i>0;i--)InverseRound(block,expandedKey.slice(Nb*i,Nb*(i+1)));addRoundKey(block,expandedKey);return unpackBytes(block);};function packBytes(octets){var state=new Array();if(!octets||octets.length%4)return;state[0]=new Array();state[1]=new Array();state[2]=new Array();state[3]=new Array();for(var j=0;j<octets.length;j+=4){state[0][j/4]=octets[j];state[1][j/4]=octets[j+1];state[2][j/4]=octets[j+2];state[3][j/4]=octets[j+3];}return state;};function unpackBytes(packed){var result=new Array();for(var j=0;j<packed[0].length;j++){result[result.length]=packed[0][j];result[result.length]=packed[1][j];result[result.length]=packed[2][j];result[result.length]=packed[3][j];}return result;};function formatPlaintext(plaintext){var bpb=blockSizeInBits/8;var i;if(typeof plaintext=="string"||plaintext.indexOf){plaintext=plaintext.split("");for(i=0;i<plaintext.length;i++)plaintext[i]=plaintext[i].charCodeAt(0)&0xFF;}for(i=bpb-(plaintext.length%bpb);i>0&&i<bpb;i--)plaintext[plaintext.length]=0;return plaintext;};function getRandomBytes(howMany){var i;var bytes=new Array();for(i=0;i<howMany;i++)bytes[i]=Math.round(Math.random()*255);return bytes;};var retobj={//-->
byteArrayToHex:function(byteArray){var result="";if(!byteArray)return;for(var i=0;i<byteArray.length;i++)result+=((byteArray[i]<16)?"0":"")+byteArray[i].toString(16);return result;},//-->
hexToByteArray:function(hexString){var byteArray=[];if(hexString.length%2)return;if(hexString.indexOf("0x")==0||hexString.indexOf("0X")==0)hexString=hexString.substring(2);for(var i=0;i<hexString.length;i+=2)byteArray[Math.floor(i/2)]=parseInt(hexString.slice(i,i+2),16);return byteArray;},byteArrayToString:function(byteArray){var result="";for(var i=0;i<byteArray.length;i++)result+=String.fromCharCode(byteArray[i]);return result;},stringToByteArray:function(s){var result=new Array(s.length);for(var i=0;i<s.length;i++)result[i]=s.charCodeAt(i);return result;},rijndaelEncrypt:function(plaintext,key,mode){var expandedKey,i,aBlock;var bpb=blockSizeInBits/8;var ct;if(!plaintext|| !key)return;if(key.length*8!=keySizeInBits)return;if(mode=="CBC")ct=getRandomBytes(bpb);else{mode="ECB";ct=new Array();}expandedKey=keyExpansion(key);for(var block=0;block<plaintext.length/bpb;block++){aBlock=plaintext.slice(block*bpb,(block+1)*bpb);if(mode=="CBC")for(var i=0;i<bpb;i++)aBlock[i]^=ct[block*bpb+i];ct=ct.concat(encrypt(aBlock,expandedKey));}return ct;},rijndaelDecrypt:function(ciphertext,key,mode){var expandedKey;var bpb=blockSizeInBits/8;var pt=new Array();var aBlock;var block;if(!ciphertext|| !key||typeof ciphertext=="string")return;if(key.length*8!=keySizeInBits)return;if(!mode)mode="ECB";expandedKey=keyExpansion(key);for(block=(ciphertext.length/bpb)-1;block>0;block--){aBlock=decrypt(ciphertext.slice(block*bpb,(block+1)*bpb),expandedKey);if(mode=="CBC")for(var i=0;i<bpb;i++)pt[(block-1)*bpb+i]=aBlock[i]^ciphertext[(block-1)*bpb+i];else pt=aBlock.concat(pt);}if(mode=="ECB")pt=decrypt(ciphertext.slice(0,bpb),expandedKey).concat(pt);return pt;},SHA256:function(s){var chrsz=8;var hexcase=0;function safe_add(x,y){var lsw=(x&0xFFFF)+(y&0xFFFF);var msw=(x>>16)+(y>>16)+(lsw>>16);return(msw<<16)|(lsw&0xFFFF);};function S(X,n){return(X>>>n)|(X<<(32-n));};function R(X,n){return(X>>>n);};function Ch(x,y,z){return((x&y)^((~x)&z));};function Maj(x,y,z){return((x&y)^(x&z)^(y&z));};function Sigma0256(x){return(S(x,2)^S(x,13)^S(x,22));};function Sigma1256(x){return(S(x,6)^S(x,11)^S(x,25));};function Gamma0256(x){return(S(x,7)^S(x,18)^R(x,3));};function Gamma1256(x){return(S(x,17)^S(x,19)^R(x,10));};function core_sha256(m,l){var K=new Array(0x428A2F98,0x71374491,0xB5C0FBCF,0xE9B5DBA5,0x3956C25B,0x59F111F1,0x923F82A4,0xAB1C5ED5,0xD807AA98,0x12835B01,0x243185BE,0x550C7DC3,0x72BE5D74,0x80DEB1FE,0x9BDC06A7,0xC19BF174,0xE49B69C1,0xEFBE4786,0xFC19DC6,0x240CA1CC,0x2DE92C6F,0x4A7484AA,0x5CB0A9DC,0x76F988DA,0x983E5152,0xA831C66D,0xB00327C8,0xBF597FC7,0xC6E00BF3,0xD5A79147,0x6CA6351,0x14292967,0x27B70A85,0x2E1B2138,0x4D2C6DFC,0x53380D13,0x650A7354,0x766A0ABB,0x81C2C92E,0x92722C85,0xA2BFE8A1,0xA81A664B,0xC24B8B70,0xC76C51A3,0xD192E819,0xD6990624,0xF40E3585,0x106AA070,0x19A4C116,0x1E376C08,0x2748774C,0x34B0BCB5,0x391C0CB3,0x4ED8AA4A,0x5B9CCA4F,0x682E6FF3,0x748F82EE,0x78A5636F,0x84C87814,0x8CC70208,0x90BEFFFA,0xA4506CEB,0xBEF9A3F7,0xC67178F2);var HASH=new Array(0x6A09E667,0xBB67AE85,0x3C6EF372,0xA54FF53A,0x510E527F,0x9B05688C,0x1F83D9AB,0x5BE0CD19);var W=new Array(64);var a,b,c,d,e,f,g,h,i,j;var T1,T2;m[l>>5]|=0x80<<(24-l%32);m[((l+64>>9)<<4)+15]=l;for(var i=0;i<m.length;i+=16){a=HASH[0];b=HASH[1];c=HASH[2];d=HASH[3];e=HASH[4];f=HASH[5];g=HASH[6];h=HASH[7];for(var j=0;j<64;j++){if(j<16)W[j]=m[j+i];else W[j]=safe_add(safe_add(safe_add(Gamma1256(W[j-2]),W[j-7]),Gamma0256(W[j-15])),W[j-16]);T1=safe_add(safe_add(safe_add(safe_add(h,Sigma1256(e)),Ch(e,f,g)),K[j]),W[j]);T2=safe_add(Sigma0256(a),Maj(a,b,c));h=g;g=f;f=e;e=safe_add(d,T1);d=c;c=b;b=a;a=safe_add(T1,T2);}HASH[0]=safe_add(a,HASH[0]);HASH[1]=safe_add(b,HASH[1]);HASH[2]=safe_add(c,HASH[2]);HASH[3]=safe_add(d,HASH[3]);HASH[4]=safe_add(e,HASH[4]);HASH[5]=safe_add(f,HASH[5]);HASH[6]=safe_add(g,HASH[6]);HASH[7]=safe_add(h,HASH[7]);}return HASH;};function str2binb(str){var bin=Array();var mask=(1<<chrsz)-1;for(var i=0;i<str.length*chrsz;i+=chrsz){bin[i>>5]|=(str.charCodeAt(i/chrsz)&mask)<<(24-i%32);}return bin;};function binb2hex(binarray){var hex_tab=hexcase?"0123456789ABCDEF":"0123456789abcdef";var str="";for(var i=0;i<binarray.length*4;i++){str+=hex_tab.charAt((binarray[i>>2]>>((3-i%4)*8+4))&0xF)+hex_tab.charAt((binarray[i>>2]>>((3-i%4)*8))&0xF);}return str;};s=this.Utf8Encode(s);return binb2hex(core_sha256(str2binb(s),s.length*chrsz));},Utf8Encode:function(string){string=string.replace(/\r\n/g,"\n");var utftext="";for(var n=0;n<string.length;n++){var c=string.charCodeAt(n);if(c<128){utftext+=String.fromCharCode(c);}else if((c>127)&&(c<2048)){utftext+=String.fromCharCode((c>>6)|192);utftext+=String.fromCharCode((c&63)|128);}else{utftext+=String.fromCharCode((c>>12)|224);utftext+=String.fromCharCode(((c>>6)&63)|128);utftext+=String.fromCharCode((c&63)|128);}}return utftext;},Utf8Decode:function(utftext){var string="";var i=0;var c=c1=c2=0;while(i<utftext.length){c=utftext.charCodeAt(i);if(c<128){string+=String.fromCharCode(c);i++;}else if((c>191)&&(c<224)){c2=utftext.charCodeAt(i+1);string+=String.fromCharCode(((c&31)<<6)|(c2&63));i+=2;}else{c2=utftext.charCodeAt(i+1);c3=utftext.charCodeAt(i+2);string+=String.fromCharCode(((c&15)<<12)|((c2&63)<<6)|(c3&63));i+=3;}}return string;},_keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",byteArrayToBase64:function(input){var output="";var chr1,chr2,chr3,enc1,enc2,enc3,enc4;var i=0;while(i<input.length){chr1=input[i++];chr2=input[i++];chr3=input[i++];enc1=chr1>>2;enc2=((chr1&3)<<4)|(chr2>>4);enc3=((chr2&15)<<2)|(chr3>>6);enc4=chr3&63;if(isNaN(chr2)){enc3=enc4=64;}else if(isNaN(chr3)){enc4=64;}output=output+this._keyStr.charAt(enc1)+this._keyStr.charAt(enc2)+this._keyStr.charAt(enc3)+this._keyStr.charAt(enc4);}return output;},byteArrayFromBase64:function(input){var output=new Array();var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");while(i<input.length){enc1=this._keyStr.indexOf(input.charAt(i++));enc2=this._keyStr.indexOf(input.charAt(i++));enc3=this._keyStr.indexOf(input.charAt(i++));enc4=this._keyStr.indexOf(input.charAt(i++));chr1=(enc1<<2)|(enc2>>4);chr2=((enc2&15)<<4)|(enc3>>2);chr3=((enc3&3)<<6)|enc4;output.push(chr1);if(enc3!=64){output.push(chr2);}if(enc4!=64){output.push(chr3);}}return output;},encryptString:function(message,password,useOldMethod){if(useOldMethod)return this.encryptString_old(message,password);const _magic="length@:";message=_magic.replace("length",message.length)+message;var key=this.hexToByteArray(this.SHA256(password));var plaintext=this.stringToByteArray(this.Utf8Encode(message));var cyphertext=this.rijndaelEncrypt(plaintext,key,"CBC");return this.byteArrayToBase64(cyphertext);},decryptString:function(cyphertextBase64,password){if(/^[0-9a-f]+$/i.test(cyphertextBase64)&&cyphertextBase64.length%2==0){return this.decryptString_old(cyphertextBase64,password);}if(!/^[A-Za-z0-9\+\/\=]+$/.test(cyphertextBase64))throw new RuntimeError("Decryption failed, wrong data encoding",943);var key=this.hexToByteArray(this.SHA256(password));var cyphertext=this.byteArrayFromBase64(cyphertextBase64);var plaintext=this.rijndaelDecrypt(cyphertext,key,"CBC");plaintext=this.byteArrayToString(plaintext);plaintext=plaintext.replace(/\0+$/,'');if(/\0/.test(plaintext))throw new RuntimeError("Decryption failed, bad passwod",942);plaintext=this.Utf8Decode(plaintext);if(!/^(\d+)@:/.test(plaintext))throw new RuntimeError("Decryption failed, bad passowrd",942);var length=parseInt(RegExp.$1);plaintext=plaintext.replace(/^(\d+)@:/,'');if(length!=plaintext.length)throw new RuntimeError("Decryption failed, bad passowrd",942);return plaintext;},encryptString_old:function(plaintext,password){var len=plaintext.length*2;var plaindata="",sdata;var strToHex=function(str){var result="";for(var i=0;i<str.length;i++){var hex=str.charCodeAt(i).toString(16);while(hex.length<4)hex="0"+hex;result+=hex.charAt(2)+hex.charAt(3)+hex.charAt(0)+hex.charAt(1);}return result;};plaindata+=(len<16?"0":"")+len.toString(16);plaindata+="000000";plaindata+=strToHex(plaintext);while(plaindata.length<64)plaindata+="00";var key=strToHex(password);if(key.length<64){while(key.length<64){key+="0000";}}else{key=key.substr(0,64);}key=this.hexToByteArray(key);if(plaindata.length>64){var part1=plaindata.substring(0,64);var part2=plaindata.substring(64,plaindata.length);var part3="";if(part2.length>64){part3=part2.substring(0,64);part2=part2.substring(64,part2.length);}while(part2.length<64)part2+="00";if(part3.length>0){while(part3.length<64)part3+="00";}var sdata1=this.byteArrayToHex(this.rijndaelEncrypt(this.hexToByteArray(part1),key));var sdata2=this.byteArrayToHex(this.rijndaelEncrypt(this.hexToByteArray(part2),key));var sdata3="";if(part3.length)sdata3=this.byteArrayToHex(this.rijndaelEncrypt(this.hexToByteArray(part3),key));sdata=sdata1+sdata2+sdata3;}else{sdata=this.byteArrayToHex(this.rijndaelEncrypt(this.hexToByteArray(plaindata),key));}sdata=sdata.toUpperCase();return sdata;},decryptString_old:function(cyphertext,password){var byteArrayToString=function(byteArray){var result="";for(var i=0;i<byteArray.length;i++)if(byteArray[i]!=0)result+=String.fromCharCode(byteArray[i]);return result;};var strToHex=function(str){var result="";for(var i=0;i<str.length;i++){var hex=str.charCodeAt(i).toString(16);while(hex.length<4)hex="0"+hex;result+=hex.charAt(2)+hex.charAt(3)+hex.charAt(0)+hex.charAt(1);}return result;};var key=strToHex(password);if(key.length<64){while(key.length<64){key+="0000";}}else{key=key.substr(0,64);}key=this.hexToByteArray(key);cyphertext=cyphertext.toLowerCase();var data,data2="",data3="";if(cyphertext.length>64){var part1=cyphertext.substring(0,64);var part2=cyphertext.substring(64,cyphertext.length);var part3="";if(part2.length>64){part3=part2.substring(0,64);part2=part2.substring(64,part2.length);}data=this.rijndaelDecrypt(this.hexToByteArray(part1),key);data2=this.rijndaelDecrypt(this.hexToByteArray(part2),key);if(part3.length)data3=this.rijndaelDecrypt(this.hexToByteArray(part3),key);}else{data=this.rijndaelDecrypt(this.hexToByteArray(cyphertext),key);}var len=data[0]/2;data=byteArrayToString(data.slice(4));if(data2.length>0)data2=byteArrayToString(data2);if(data3.length>0)data3=byteArrayToString(data3);data=data+data2+data3;if(data.length!=len){throw new RuntimeError("Decryption failed, bad passowrd",942);}return data;}};return retobj;})();