var 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c=word[0];for(var i=0;i<3;i++)word[i]=word[i+1];word[3]=c;return word},Rcon:[0x8d,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,0xc5,0x91,0x39,0x72,0xe4,0xd3,0xbd,0x61,0xc2,0x9f,0x25,0x4a,0x94,0x33,0x66,0xcc,0x83,0x1d,0x3a,0x74,0xe8,0xcb,0x8d,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,0xc5,0x91,0x39,0x72,0xe4,0xd3,0xbd,0x61,0xc2,0x9f,0x25,0x4a,0x94,0x33,0x66,0xcc,0x83,0x1d,0x3a,0x74,0xe8,0xcb,0x8d,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,0xc5,0x91,0x39,0x72,0xe4,0xd3,0xbd,0x61,0xc2,0x9f,0x25,0x4a,0x94,0x33,0x66,0xcc,0x83,0x1d,0x3a,0x74,0xe8,0xcb,0x8d,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,0xc5,0x91,0x39,0x72,0xe4,0xd3,0xbd,0x61,0xc2,0x9f,0x25,0x4a,0x94,0x33,0x66,0xcc,0x83,0x1d,0x3a,0x74,0xe8,0xcb,0x8d,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,0xc5,0x91,0x39,0x72,0xe4,0xd3,0xbd,0x61,0xc2,0x9f,0x25,0x4a,0x94,0x33,0x66,0xcc,0x83,0x1d,0x3a,0x74,0xe8,0xcb],G2X:[0x00,0x02,0x04,0x06,0x08,0x0a,0x0c,0x0e,0x10,0x12,0x14,0x16,0x18,0x1a,0x1c,0x1e,0x20,0x22,0x24,0x26,0x28,0x2a,0x2c,0x2e,0x30,0x32,0x34,0x36,0x38,0x3a,0x3c,0x3e,0x40,0x42,0x44,0x46,0x48,0x4a,0x4c,0x4e,0x50,0x52,0x54,0x56,0x58,0x5a,0x5c,0x5e,0x60,0x62,0x64,0x66,0x68,0x6a,0x6c,0x6e,0x70,0x72,0x74,0x76,0x78,0x7a,0x7c,0x7e,0x80,0x82,0x84,0x86,0x88,0x8a,0x8c,0x8e,0x90,0x92,0x94,0x96,0x98,0x9a,0x9c,0x9e,0xa0,0xa2,0xa4,0xa6,0xa8,0xaa,0xac,0xae,0xb0,0xb2,0xb4,0xb6,0xb8,0xba,0xbc,0xbe,0xc0,0xc2,0xc4,0xc6,0xc8,0xca,0xcc,0xce,0xd0,0xd2,0xd4,0xd6,0xd8,0xda,0xdc,0xde,0xe0,0xe2,0xe4,0xe6,0xe8,0xea,0xec,0xee,0xf0,0xf2,0xf4,0xf6,0xf8,0xfa,0xfc,0xfe,0x1b,0x19,0x1f,0x1d,0x13,0x11,0x17,0x15,0x0b,0x09,0x0f,0x0d,0x03,0x01,0x07,0x05,0x3b,0x39,0x3f,0x3d,0x33,0x31,0x37,0x35,0x2b,0x29,0x2f,0x2d,0x23,0x21,0x27,0x25,0x5b,0x59,0x5f,0x5d,0x53,0x51,0x57,0x55,0x4b,0x49,0x4f,0x4d,0x43,0x41,0x47,0x45,0x7b,0x79,0x7f,0x7d,0x73,0x71,0x77,0x75,0x6b,0x69,0x6f,0x6d,0x63,0x61,0x67,0x65,0x9b,0x99,0x9f,0x9d,0x93,0x91,0x97,0x95,0x8b,0x89,0x8f,0x8d,0x83,0x81,0x87,0x85,0xbb,0xb9,0xbf,0xbd,0xb3,0xb1,0xb7,0xb5,0xab,0xa9,0xaf,0xad,0xa3,0xa1,0xa7,0xa5,0xdb,0xd9,0xdf,0xdd,0xd3,0xd1,0xd7,0xd5,0xcb,0xc9,0xcf,0xcd,0xc3,0xc1,0xc7,0xc5,0xfb,0xf9,0xff,0xfd,0xf3,0xf1,0xf7,0xf5,0xeb,0xe9,0xef,0xed,0xe3,0xe1,0xe7,0xe5],G3X:[0x00,0x03,0x06,0x05,0x0c,0x0f,0x0a,0x09,0x18,0x1b,0x1e,0x1d,0x14,0x17,0x12,0x11,0x30,0x33,0x36,0x35,0x3c,0x3f,0x3a,0x39,0x28,0x2b,0x2e,0x2d,0x24,0x27,0x22,0x21,0x60,0x63,0x66,0x65,0x6c,0x6f,0x6a,0x69,0x78,0x7b,0x7e,0x7d,0x74,0x77,0x72,0x71,0x50,0x53,0x56,0x55,0x5c,0x5f,0x5a,0x59,0x48,0x4b,0x4e,0x4d,0x44,0x47,0x42,0x41,0xc0,0xc3,0xc6,0xc5,0xcc,0xcf,0xca,0xc9,0xd8,0xdb,0xde,0xdd,0xd4,0xd7,0xd2,0xd1,0xf0,0xf3,0xf6,0xf5,0xfc,0xff,0xfa,0xf9,0xe8,0xeb,0xee,0xed,0xe4,0xe7,0xe2,0xe1,0xa0,0xa3,0xa6,0xa5,0xac,0xaf,0xaa,0xa9,0xb8,0xbb,0xbe,0xbd,0xb4,0xb7,0xb2,0xb1,0x90,0x93,0x96,0x95,0x9c,0x9f,0x9a,0x99,0x88,0x8b,0x8e,0x8d,0x84,0x87,0x82,0x81,0x9b,0x98,0x9d,0x9e,0x97,0x94,0x91,0x92,0x83,0x80,0x85,0x86,0x8f,0x8c,0x89,0x8a,0xab,0xa8,0xad,0xae,0xa7,0xa4,0xa1,0xa2,0xb3,0xb0,0xb5,0xb6,0xbf,0xbc,0xb9,0xba,0xfb,0xf8,0xfd,0xfe,0xf7,0xf4,0xf1,0xf2,0xe3,0xe0,0xe5,0xe6,0xef,0xec,0xe9,0xea,0xcb,0xc8,0xcd,0xce,0xc7,0xc4,0xc1,0xc2,0xd3,0xd0,0xd5,0xd6,0xdf,0xdc,0xd9,0xda,0x5b,0x58,0x5d,0x5e,0x57,0x54,0x51,0x52,0x43,0x40,0x45,0x46,0x4f,0x4c,0x49,0x4a,0x6b,0x68,0x6d,0x6e,0x67,0x64,0x61,0x62,0x73,0x70,0x75,0x76,0x7f,0x7c,0x79,0x7a,0x3b,0x38,0x3d,0x3e,0x37,0x34,0x31,0x32,0x23,0x20,0x25,0x26,0x2f,0x2c,0x29,0x2a,0x0b,0x08,0x0d,0x0e,0x07,0x04,0x01,0x02,0x13,0x10,0x15,0x16,0x1f,0x1c,0x19,0x1a],G9X:[0x00,0x09,0x12,0x1b,0x24,0x2d,0x36,0x3f,0x48,0x41,0x5a,0x53,0x6c,0x65,0x7e,0x77,0x90,0x99,0x82,0x8b,0xb4,0xbd,0xa6,0xaf,0xd8,0xd1,0xca,0xc3,0xfc,0xf5,0xee,0xe7,0x3b,0x32,0x29,0x20,0x1f,0x16,0x0d,0x04,0x73,0x7a,0x61,0x68,0x57,0x5e,0x45,0x4c,0xab,0xa2,0xb9,0xb0,0x8f,0x86,0x9d,0x94,0xe3,0xea,0xf1,0xf8,0xc7,0xce,0xd5,0xdc,0x76,0x7f,0x64,0x6d,0x52,0x5b,0x40,0x49,0x3e,0x37,0x2c,0x25,0x1a,0x13,0x08,0x01,0xe6,0xef,0xf4,0xfd,0xc2,0xcb,0xd0,0xd9,0xae,0xa7,0xbc,0xb5,0x8a,0x83,0x98,0x91,0x4d,0x44,0x5f,0x56,0x69,0x60,0x7b,0x72,0x05,0x0c,0x17,0x1e,0x21,0x28,0x33,0x3a,0xdd,0xd4,0xcf,0xc6,0xf9,0xf0,0xeb,0xe2,0x95,0x9c,0x87,0x8e,0xb1,0xb8,0xa3,0xaa,0xec,0xe5,0xfe,0xf7,0xc8,0xc1,0xda,0xd3,0xa4,0xad,0xb6,0xbf,0x80,0x89,0x92,0x9b,0x7c,0x75,0x6e,0x67,0x58,0x51,0x4a,0x43,0x34,0x3d,0x26,0x2f,0x10,0x19,0x02,0x0b,0xd7,0xde,0xc5,0xcc,0xf3,0xfa,0xe1,0xe8,0x9f,0x96,0x8d,0x84,0xbb,0xb2,0xa9,0xa0,0x47,0x4e,0x55,0x5c,0x63,0x6a,0x71,0x78,0x0f,0x06,0x1d,0x14,0x2b,0x22,0x39,0x30,0x9a,0x93,0x88,0x81,0xbe,0xb7,0xac,0xa5,0xd2,0xdb,0xc0,0xc9,0xf6,0xff,0xe4,0xed,0x0a,0x03,0x18,0x11,0x2e,0x27,0x3c,0x35,0x42,0x4b,0x50,0x59,0x66,0x6f,0x74,0x7d,0xa1,0xa8,0xb3,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i=0;i<4;++i)word[i]=this.sbox[word[i]];word[0]=word[0]^this.Rcon[iteration];return word},expandKey:function(key,size){var expandedKeySize=(16*(this.numberOfRounds(size)+1));var currentSize=0;var rconIteration=1;var t=[];var expandedKey=[];for(var i=0;i<expandedKeySize;i++)expandedKey[i]=0;for(var j=0;j<size;j++)expandedKey[j]=key[j];currentSize+=size;while(currentSize<expandedKeySize){for(var k=0;k<4;k++)t[k]=expandedKey[(currentSize-4)+k];if(currentSize%size==0)t=this.core(t,rconIteration++);if(size==this.keySize.SIZE_256&&((currentSize%size)==16))for(var l=0;l<4;l++)t[l]=this.sbox[t[l]];for(var m=0;m<4;m++){expandedKey[currentSize]=expandedKey[currentSize-size]^t[m];currentSize++}}return expandedKey},addRoundKey:function(state,roundKey){for(var i=0;i<16;i++)state[i]^=roundKey[i];return state},createRoundKey:function(expandedKey,roundKeyPointer){var roundKey=[];for(var i=0;i<4;i++)for(var j=0;j<4;j++)roundKey[j*4+i]=expandedKey[roundKeyPointer+i*4+j];return roundKey},subBytes:function(state,isInv){for(var i=0;i<16;i++)state[i]=isInv?this.rsbox[state[i]]:this.sbox[state[i]];return state},shiftRows:function(state,isInv){for(var i=0;i<4;i++)state=this.shiftRow(state,i*4,i,isInv);return state},shiftRow:function(state,statePointer,nbr,isInv){for(var i=0;i<nbr;i++){if(isInv){var tmp=state[statePointer+3];for(var j=3;j>0;j--)state[statePointer+j]=state[statePointer+j-1];state[statePointer]=tmp}else{var tmp=state[statePointer];for(var j=0;j<3;j++)state[statePointer+j]=state[statePointer+j+1];state[statePointer+3]=tmp}}return state},galois_multiplication:function(a,b){var p=0;for(var counter=0;counter<8;counter++){if((b&1)==1)p^=a;if(p>0x100)p^=0x100;var hi_bit_set=(a&0x80);a<<=1;if(a>0x100)a^=0x100;if(hi_bit_set==0x80)a^=0x1b;if(a>0x100)a^=0x100;b>>=1;if(b>0x100)b^=0x100}return p},mixColumns:function(state,isInv){var column=[];for(var i=0;i<4;i++){for(var j=0;j<4;j++)column[j]=state[(j*4)+i];column=this.mixColumn(column,isInv);for(var k=0;k<4;k++)state[(k*4)+i]=column[k]}return state},mixColumn:function(column,isInv){var mult=[];if(isInv)mult=[14,9,13,11];else mult=[2,1,1,3];var cpy=[];for(var i=0;i<4;i++)cpy[i]=column[i];column[0]=this.galois_multiplication(cpy[0],mult[0])^this.galois_multiplication(cpy[3],mult[1])^this.galois_multiplication(cpy[2],mult[2])^this.galois_multiplication(cpy[1],mult[3]);column[1]=this.galois_multiplication(cpy[1],mult[0])^this.galois_multiplication(cpy[0],mult[1])^this.galois_multiplication(cpy[3],mult[2])^this.galois_multiplication(cpy[2],mult[3]);column[2]=this.galois_multiplication(cpy[2],mult[0])^this.galois_multiplication(cpy[1],mult[1])^this.galois_multiplication(cpy[0],mult[2])^this.galois_multiplication(cpy[3],mult[3]);column[3]=this.galois_multiplication(cpy[3],mult[0])^this.galois_multiplication(cpy[2],mult[1])^this.galois_multiplication(cpy[1],mult[2])^this.galois_multiplication(cpy[0],mult[3]);return column},round:function(state,roundKey){state=this.subBytes(state,false);state=this.shiftRows(state,false);state=this.mixColumns(state,false);state=this.addRoundKey(state,roundKey);return state},invRound:function(state,roundKey){state=this.shiftRows(state,true);state=this.subBytes(state,true);state=this.addRoundKey(state,roundKey);state=this.mixColumns(state,true);return state},main:function(state,expandedKey,nbrRounds){state=this.addRoundKey(state,this.createRoundKey(expandedKey,0));for(var i=1;i<nbrRounds;i++)state=this.round(state,this.createRoundKey(expandedKey,16*i));state=this.subBytes(state,false);state=this.shiftRows(state,false);state=this.addRoundKey(state,this.createRoundKey(expandedKey,16*nbrRounds));return state},invMain:function(state,expandedKey,nbrRounds){state=this.addRoundKey(state,this.createRoundKey(expandedKey,16*nbrRounds));for(var i=nbrRounds-1;i>0;i--)state=this.invRound(state,this.createRoundKey(expandedKey,16*i));state=this.shiftRows(state,true);state=this.subBytes(state,true);state=this.addRoundKey(state,this.createRoundKey(expandedKey,0));return state},numberOfRounds:function(size){var nbrRounds;switch(size){case this.keySize.SIZE_128:nbrRounds=10;break;case this.keySize.SIZE_192:nbrRounds=12;break;case this.keySize.SIZE_256:nbrRounds=14;break;default:return null;break}return nbrRounds},decrypt:function(input,key,size){var output=[];var block=[];var nbrRounds=this.numberOfRounds(size);for(var i=0;i<4;i++)for(var j=0;j<4;j++)block[(i+(j*4))]=input[(i*4)+j];var expandedKey=this.expandKey(key,size);block=this.invMain(block,expandedKey,nbrRounds);for(var k=0;k<4;k++)for(var l=0;l<4;l++)output[(k*4)+l]=block[(k+(l*4))];return output}},modeOfOperation:{OFB:0,CFB:1,CBC:2},getBlock:function(bytesIn,start,end,mode){if(end-start>16)end=start+16;return bytesIn.slice(start,end)},decrypt:function(cipherIn,mode,key,iv){var size=key.length;if(iv.length%16){throw'iv length must be 128 bits.';}var ciphertext=[];var input=[];var output=[];var byteArray=[];var bytesOut=[];var firstRound=true;if(cipherIn!==null){for(var j=0;j<Math.ceil(cipherIn.length/16);j++){var start=j*16;var end=j*16+16;if(j*16+16>cipherIn.length)end=cipherIn.length;ciphertext=this.getBlock(cipherIn,start,end,mode);if(mode==this.modeOfOperation.CFB){if(firstRound){output=this.aes.encrypt(iv,key,size);firstRound=false}else output=this.aes.encrypt(input,key,size);for(i=0;i<16;i++)byteArray[i]=output[i]^ciphertext[i];for(var k=0;k<end-start;k++)bytesOut.push(byteArray[k]);input=ciphertext}else if(mode==this.modeOfOperation.OFB){if(firstRound){output=this.aes.encrypt(iv,key,size);firstRound=false}else output=this.aes.encrypt(input,key,size);for(i=0;i<16;i++)byteArray[i]=output[i]^ciphertext[i];for(var k=0;k<end-start;k++)bytesOut.push(byteArray[k]);input=output}else if(mode==this.modeOfOperation.CBC){output=this.aes.decrypt(ciphertext,key,size);for(i=0;i<16;i++)byteArray[i]=((firstRound)?iv[i]:input[i])^output[i];firstRound=false;for(var k=0;k<end-start;k++)bytesOut.push(byteArray[k]);input=ciphertext}}if(mode==this.modeOfOperation.CBC)this.unpadBytesOut(bytesOut)}return bytesOut},padBytesIn:function(data){var len=data.length;var padByte=16-(len%16);for(var i=0;i<padByte;i++){data.push(padByte)}},unpadBytesOut:function(data){var padCount=0;var padByte=-1;var blockSize=16;if(data.length>16){for(var i=data.length-1;i>=data.length-1-blockSize;i--){if(data[i]<=blockSize){if(padByte==-1)padByte=data[i];if(data[i]!=padByte){padCount=0;break}padCount++}else break;if(padCount==padByte)break}if(padCount>0)data.splice(data.length-padCount,padCount)}}};