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//cd5.js
var keySizeInBits=256;var blockSizeInBits=128;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];
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 byteArrayToHex(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;}function hexToByteArray(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;}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;}i=plaintext.length%bpb;if(i>0)
{plaintext=plaintext.concat(getRandomBytes(bpb-i));}return plaintext;}
function getRandomBytes(howMany){var i,bytes=new Array();for(i=0;i<howMany;i++)
{bytes[i]=prng.nextInt(255);}return bytes;}function rijndaelEncrypt(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();}
plaintext=formatPlaintext(plaintext);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;}function rijndaelDecrypt(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;}
// -->