/*
  Developed by Alexander Wilhelm and Chris Veness.

  Commercial License.
*/
function Cipher(input,w){var Nb=4;var Nr=w.length/Nb-1;var state=[[],[],[],[]];for(var i=0;i<4*Nb;i++)state[i%4][Math.floor(i/4)]=input[i];state=AddRoundKey(state,w,0,Nb);for(var round=1;round<Nr;round++){state=SubBytes(state,Nb);state=ShiftRows(state,Nb);state=MixColumns(state,Nb);state=AddRoundKey(state,w,round,Nb)}state=SubBytes(state,Nb);state=ShiftRows(state,Nb);state=AddRoundKey(state,w,Nr,Nb);var output=new Array(4*Nb);for(var i=0;i<4*Nb;i++)output[i]=state[i%4][Math.floor(i/4)];return output}
function SubBytes(s,Nb){for(var r=0;r<4;r++){for(var c=0;c<Nb;c++)s[r][c]=Sbox[s[r][c]]}return s}
function ShiftRows(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 MixColumns(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]&0x80?s[i][c]<<1^0x011b: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 AddRoundKey(state,w,rnd,Nb){for(var r=0;r<4;r++){for(var c=0;c<Nb;c++)state[r][c]^=w[rnd*4+c][r]}return state}
function KeyExpansion(key){var Nb=4;var Nk=key.length/4; var Nr=Nk+6;var w=new Array(Nb*(Nr+1));var temp=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++)temp[t]=w[i-1][t];if(i%Nk==0){temp=SubWord(RotWord(temp));for(var t=0;t<4;t++)temp[t]^=Rcon[i/Nk][t]}else if(Nk>6&&i%Nk==4){temp=SubWord(temp)}for(var t=0;t<4;t++)w[i][t]=w[i-Nk][t]^temp[t]}return w}
function SubWord(w){for(var i=0;i<4;i++)w[i]=Sbox[w[i]];return w}
function RotWord(w){w[4]=w[0];for(var i=0;i<4;i++)w[i]=w[i+1];return w}var Sbox=[0x63,0x7c,0x77,0x7b,0xf2,0x6b,0x6f,0xc5,0x30,0x01,0x67,0x2b,0xfe,0xd7,0xab,0x76,0xca,0x82,0xc9,0x7d,0xfa,0x59,0x47,0xf0,0xad,0xd4,0xa2,0xaf,0x9c,0xa4,0x72,0xc0,0xb7,0xfd,0x93,0x26,0x36,0x3f,0xf7,0xcc,0x34,0xa5,0xe5,0xf1,0x71,0xd8,0x31,0x15,0x04,0xc7,0x23,0xc3,0x18,0x96,0x05,0x9a,0x07,0x12,0x80,0xe2,0xeb,0x27,0xb2,0x75,0x09,0x83,0x2c,0x1a,0x1b,0x6e,0x5a,0xa0,0x52,0x3b,0xd6,0xb3,0x29,0xe3,0x2f,0x84,0x53,0xd1,0x00,0xed,0x20,0xfc,0xb1,0x5b,0x6a,0xcb,0xbe,0x39,0x4a,0x4c,0x58,0xcf,0xd0,0xef,0xaa,0xfb,0x43,0x4d,0x33,0x85,0x45,0xf9,0x02,0x7f,0x50,0x3c,0x9f,0xa8,0x51,0xa3,0x40,0x8f,0x92,0x9d,0x38,0xf5,0xbc,0xb6,0xda,0x21,0x10,0xff,0xf3,0xd2,0xcd,0x0c,0x13,0xec,0x5f,0x97,0x44,0x17,0xc4,0xa7,0x7e,0x3d,0x64,0x5d,0x19,0x73,0x60,0x81,0x4f,0xdc,0x22,0x2a,0x90,0x88,0x46,0xee,0xb8,0x14,0xde,0x5e,0x0b,0xdb,0xe0,0x32,0x3a,0x0a,0x49,0x06,0x24,0x5c,0xc2,0xd3,0xac,0x62,0x91,0x95,0xe4,0x79,0xe7,0xc8,0x37,0x6d,0x8d,0xd5,0x4e,0xa9,0x6c,0x56,0xf4,0xea,0x65,0x7a,0xae,0x08,0xba,0x78,0x25,0x2e,0x1c,0xa6,0xb4,0xc6,0xe8,0xdd,0x74,0x1f,0x4b,0xbd,0x8b,0x8a,0x70,0x3e,0xb5,0x66,0x48,0x03,0xf6,0x0e,0x61,0x35,0x57,0xb9,0x86,0xc1,0x1d,0x9e,0xe1,0xf8,0x98,0x11,0x69,0xd9,0x8e,0x94,0x9b,0x1e,0x87,0xe9,0xce,0x55,0x28,0xdf,0x8c,0xa1,0x89,0x0d,0xbf,0xe6,0x42,0x68,0x41,0x99,0x2d,0x0f,0xb0,0x54,0xbb,0x16];var Rcon=[[0x00,0x00,0x00,0x00],[0x01,0x00,0x00,0x00],[0x02,0x00,0x00,0x00],[0x04,0x00,0x00,0x00],[0x08,0x00,0x00,0x00],[0x10,0x00,0x00,0x00],[0x20,0x00,0x00,0x00],[0x40,0x00,0x00,0x00],[0x80,0x00,0x00,0x00],[0x1b,0x00,0x00,0x00],[0x36,0x00,0x00,0x00]];
function AESEncryptCtr(plaintext,password,nBits){if(!(nBits==128||nBits==192||nBits==256))return'';var nBytes=nBits/8;var pwBytes=new Array(nBytes);for(var i=0;i<nBytes;i++)pwBytes[i]=password.charCodeAt(i)&0xff;var key=Cipher(pwBytes,KeyExpansion(pwBytes));key=key.concat(key.slice(0,nBytes-16));var blockSize=16;var counterBlock=new Array(blockSize);var nonce=(new Date()).getTime();for(var i=0;i<4;i++)counterBlock[i]=(nonce>>>i*8)&0xff;for(var i=0;i<4;i++)counterBlock[i+4]=(nonce/0x100000000>>>i*8)&0xff;var keySchedule=KeyExpansion(key);var blockCount=Math.ceil(plaintext.length/blockSize);var ciphertext=new Array(blockCount);for(var b=0;b<blockCount;b++){for(var c=0;c<4;c++)counterBlock[15-c]=(b>>>c*8)&0xff;for(var c=0;c<4;c++)counterBlock[15-c-4]=(b/0x100000000>>>c*8);var cipherCntr=Cipher(counterBlock,keySchedule);var blockLength=b<blockCount-1?blockSize:(plaintext.length-1)%blockSize+1;var ct='';for(var i=0;i<blockLength;i++){var plaintextByte=plaintext.charCodeAt(b*blockSize+i);var cipherByte=plaintextByte^cipherCntr[i];ct+=String.fromCharCode(cipherByte)}ciphertext[b]=escCtrlChars(ct)}var ctrTxt='';for(var i=0;i<8;i++)ctrTxt+=String.fromCharCode(counterBlock[i]);ctrTxt=escCtrlChars(ctrTxt);return ctrTxt+'-'+ciphertext.join('-')}
function AESDecryptCtr(ciphertext,password,nBits){if(!(nBits==128||nBits==192||nBits==256))return'';var nBytes=nBits/8;var pwBytes=new Array(nBytes);for(var i=0;i<nBytes;i++)pwBytes[i]=password.charCodeAt(i)&0xff;var pwKeySchedule=KeyExpansion(pwBytes);var key=Cipher(pwBytes,pwKeySchedule);key=key.concat(key.slice(0,nBytes-16));var keySchedule=KeyExpansion(key);ciphertext=ciphertext.split('-');var blockSize=16;var counterBlock=new Array(blockSize);var ctrTxt=unescCtrlChars(ciphertext[0]);for(var i=0;i<8;i++)counterBlock[i]=ctrTxt.charCodeAt(i);var plaintext=new Array(ciphertext.length-1);for(var b=1;b<ciphertext.length;b++){for(var c=0;c<4;c++)counterBlock[15-c]=((b-1)>>>c*8)&0xff;for(var c=0;c<4;c++)counterBlock[15-c-4]=((b/0x100000000-1)>>>c*8)&0xff;var cipherCntr=Cipher(counterBlock,keySchedule);ciphertext[b]=unescCtrlChars(ciphertext[b]);var pt='';for(var i=0;i<ciphertext[b].length;i++){var ciphertextByte=ciphertext[b].charCodeAt(i);var plaintextByte=ciphertextByte^cipherCntr[i];pt+=String.fromCharCode(plaintextByte)}plaintext[b-1]=pt}return plaintext.join('')}
function escCtrlChars(str){return str.replace(/[\\t\n\v\f\r\xa0!-]/g,function(c){return'!'+c.charCodeAt(0)+'!'})}
function unescCtrlChars(str){return str.replace(/!\d\d?\d?!/g,function(c){return String.fromCharCode(c.slice(1,-1))})}