오늘은 자바스크립트에서 AES 암호화 방법에 대해서 설명하고자 합니다.
현재 웹사이트에 AES 암호화 방법이 많이 있지만. 정확히 동작하지않는 경우가 있어서 현재 제가 사용하고 있는 js 을 소개해 드리고 간단한 주석을 달았습니다.
아래 화면은 암호화 복호화에 대한 설명인데 그냥 참고용으로 보시면 되고, 실질적으로 지정된 js코드를 넣고 암호화할 문자열을 넘기면 됩니다.
중요한 부분은 암호화 키 부분인데 이 부분은 상호 간에 협의가 되어야 하는 부분입니다.
그리고 암호화 후 자동으로 Base64 로 엔코딩 됩니다.
* 소스코드 (js)
var aes_key = "abcdefghijklmnopqrstuvwxyz123456"; // 상호 협의된 암호키
var GibberishAES = (function(){
var Nr = 14,
/* Default to 256 Bit Encryption */
Nk = 8,
Decrypt = false,
enc_utf8 = function(s)
{
try {
return unescape(encodeURIComponent(s));
}
catch(e) {
throw 'Error on UTF-8 encode';
}
},
dec_utf8 = function(s)
{
try {
return decodeURIComponent(escape(s));
}
catch(e) {
throw ('Bad Key');
}
},
padBlock = function(byteArr)
{
var array = [], cpad, i;
if (byteArr.length < 16) {
cpad = 16 - byteArr.length;
array = [cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad, cpad];
}
for (i = 0; i < byteArr.length; i++)
{
array[i] = byteArr[i];
}
return array;
},
block2s = function(block, lastBlock)
{
var string = '', padding, i;
if (lastBlock) {
padding = block[15];
if (padding > 16) {
throw ('Decryption error: Maybe bad key');
}
if (padding == 16) {
return '';
}
for (i = 0; i < 16 - padding; i++) {
string += String.fromCharCode(block[i]);
}
} else {
for (i = 0; i < 16; i++) {
string += String.fromCharCode(block[i]);
}
}
return string;
},
a2h = function(numArr)
{
var string = '', i;
for (i = 0; i < numArr.length; i++) {
string += (numArr[i] < 16 ? '0': '') + numArr[i].toString(16);
}
return string;
},
h2a = function(s)
{
var ret = [];
s.replace(/(..)/g,
function(s) {
ret.push(parseInt(s, 16));
});
return ret;
},
s2a = function(string, binary) {
var array = [], i;
if (! binary) {
string = enc_utf8(string);
}
for (i = 0; i < string.length; i++)
{
array[i] = string.charCodeAt(i);
}
return array;
},
size = function(newsize)
{
switch (newsize)
{
case 128:
Nr = 10;
Nk = 4;
break;
case 192:
Nr = 12;
Nk = 6;
break;
case 256:
Nr = 14;
Nk = 8;
break;
default:
throw ('Invalid Key Size Specified:' + newsize);
}
},
randArr = function(num) {
var result = [], i;
for (i = 0; i < num; i++) {
result = result.concat(Math.floor(Math.random() * 256));
}
return result;
},
openSSLKey = function(passwordArr, saltArr) {
// Number of rounds depends on the size of the AES in use
// 3 rounds for 256
// 2 rounds for the key, 1 for the IV
// 2 rounds for 128
// 1 round for the key, 1 round for the IV
// 3 rounds for 192 since it's not evenly divided by 128 bits
var rounds = Nr >= 12 ? 3: 2,
key = [],
iv = [],
md5_hash = [],
result = [],
data00 = passwordArr.concat(saltArr),
i;
md5_hash[0] = GibberishAES.Hash.MD5(data00);
result = md5_hash[0];
for (i = 1; i < rounds; i++) {
md5_hash[i] = GibberishAES.Hash.MD5(md5_hash[i - 1].concat(data00));
result = result.concat(md5_hash[i]);
}
key = result.slice(0, 4 * Nk);
iv = result.slice(4 * Nk, 4 * Nk + 16);
return {
key: key,
iv: iv
};
},
rawEncrypt = function(plaintext, key) {
plaintext = GibberishAES.s2a(plaintext);
var iv = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
// plaintext, key and iv as byte arrays
key = expandKey(GibberishAES.s2a(key));
var numBlocks = Math.ceil(plaintext.length / 16),
blocks = [],
i,
cipherBlocks = [];
for (i = 0; i < numBlocks; i++) {
blocks[i] = padBlock(plaintext.slice(i * 16, i * 16 + 16));
}
if (plaintext.length % 16 === 0) {
blocks.push([16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]);
// CBC OpenSSL padding scheme
numBlocks++;
}
for (i = 0; i < blocks.length; i++) {
blocks[i] = (i === 0) ? xorBlocks(blocks[i], iv) : xorBlocks(blocks[i], cipherBlocks[i - 1]);
cipherBlocks[i] = encryptBlock(blocks[i], key);
}
return GibberishAES.Base64.encode(cipherBlocks);
},
rawDecrypt = function(cryptArr, key) {
var iv = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
// cryptArr, key and iv as byte arrays
key = expandKey(GibberishAES.s2a(key));
var numBlocks = cryptArr.length / 16,
cipherBlocks = [],
i,
plainBlocks = [],
string = '';
for (i = 0; i < numBlocks; i++) {
cipherBlocks.push(cryptArr.slice(i * 16, (i + 1) * 16));
}
for (i = cipherBlocks.length - 1; i >= 0; i--) {
plainBlocks[i] = decryptBlock(cipherBlocks[i], key);
plainBlocks[i] = (i === 0) ? xorBlocks(plainBlocks[i], iv) : xorBlocks(plainBlocks[i], cipherBlocks[i - 1]);
}
for (i = 0; i < numBlocks - 1; i++) {
string += block2s(plainBlocks[i]);
}
string += block2s(plainBlocks[i], true);
return dec_utf8(string);
//return binary ? string : dec_utf8(string);
},
aesEncrypt = function(plaintext, key) {
plaintext = GibberishAES.s2a(plaintext);
var iv = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
// plaintext, key and iv as byte arrays
key = expandKey(GibberishAES.s2a(key));
var numBlocks = Math.ceil(plaintext.length / 16),
blocks = [],
i,
cipherBlocks = [];
for (i = 0; i < numBlocks; i++) {
blocks[i] = padBlock(plaintext.slice(i * 16, i * 16 + 16));
}
if (plaintext.length % 16 === 0) {
blocks.push([16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]);
// CBC OpenSSL padding scheme
numBlocks++;
}
for (i = 0; i < blocks.length; i++) {
blocks[i] = (i === 0) ? xorBlocks(blocks[i], iv) : xorBlocks(blocks[i], cipherBlocks[i - 1]);
cipherBlocks[i] = encryptBlock(blocks[i], key);
}
return GibberishAES.Base64.encode(cipherBlocks);
},
aesDecrypt = function(base64Text, key) {
var cryptArr = GibberishAES.Base64.decode(base64Text);
var iv = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
// cryptArr, key and iv as byte arrays
key = expandKey(GibberishAES.s2a(key));
var numBlocks = cryptArr.length / 16,
cipherBlocks = [],
i,
plainBlocks = [],
string = '';
for (i = 0; i < numBlocks; i++) {
cipherBlocks.push(cryptArr.slice(i * 16, (i + 1) * 16));
}
for (i = cipherBlocks.length - 1; i >= 0; i--) {
plainBlocks[i] = decryptBlock(cipherBlocks[i], key);
plainBlocks[i] = (i === 0) ? xorBlocks(plainBlocks[i], iv) : xorBlocks(plainBlocks[i], cipherBlocks[i - 1]);
}
for (i = 0; i < numBlocks - 1; i++) {
string += block2s(plainBlocks[i]);
}
string += block2s(plainBlocks[i], true);
return dec_utf8(string);
//return binary ? string : dec_utf8(string);
},
encryptBlock = function(block, words) {
Decrypt = false;
var state = addRoundKey(block, words, 0),
round;
for (round = 1; round < (Nr + 1); round++) {
state = subBytes(state);
state = shiftRows(state);
if (round < Nr) {
state = mixColumns(state);
}
//last round? don't mixColumns
state = addRoundKey(state, words, round);
}
return state;
},
decryptBlock = function(block, words) {
Decrypt = true;
var state = addRoundKey(block, words, Nr),
round;
for (round = Nr - 1; round > -1; round--) {
state = shiftRows(state);
state = subBytes(state);
state = addRoundKey(state, words, round);
if (round > 0) {
state = mixColumns(state);
}
//last round? don't mixColumns
}
return state;
},
subBytes = function(state) {
var S = Decrypt ? SBoxInv: SBox,
temp = [],
i;
for (i = 0; i < 16; i++) {
temp[i] = S[state[i]];
}
return temp;
},
shiftRows = function(state) {
var temp = [],
shiftBy = Decrypt ? [0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3] : [0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11],
i;
for (i = 0; i < 16; i++) {
temp[i] = state[shiftBy[i]];
}
return temp;
},
mixColumns = function(state) {
var t = [],
c;
if (!Decrypt) {
for (c = 0; c < 4; c++) {
t[c * 4] = G2X[state[c * 4]] ^ G3X[state[1 + c * 4]] ^ state[2 + c * 4] ^ state[3 + c * 4];
t[1 + c * 4] = state[c * 4] ^ G2X[state[1 + c * 4]] ^ G3X[state[2 + c * 4]] ^ state[3 + c * 4];
t[2 + c * 4] = state[c * 4] ^ state[1 + c * 4] ^ G2X[state[2 + c * 4]] ^ G3X[state[3 + c * 4]];
t[3 + c * 4] = G3X[state[c * 4]] ^ state[1 + c * 4] ^ state[2 + c * 4] ^ G2X[state[3 + c * 4]];
}
}else {
for (c = 0; c < 4; c++) {
t[c*4] = GEX[state[c*4]] ^ GBX[state[1+c*4]] ^ GDX[state[2+c*4]] ^ G9X[state[3+c*4]];
t[1+c*4] = G9X[state[c*4]] ^ GEX[state[1+c*4]] ^ GBX[state[2+c*4]] ^ GDX[state[3+c*4]];
t[2+c*4] = GDX[state[c*4]] ^ G9X[state[1+c*4]] ^ GEX[state[2+c*4]] ^ GBX[state[3+c*4]];
t[3+c*4] = GBX[state[c*4]] ^ GDX[state[1+c*4]] ^ G9X[state[2+c*4]] ^ GEX[state[3+c*4]];
}
}
return t;
},
addRoundKey = function(state, words, round) {
var temp = [],
i;
for (i = 0; i < 16; i++) {
temp[i] = state[i] ^ words[round][i];
}
return temp;
},
xorBlocks = function(block1, block2) {
var temp = [],
i;
for (i = 0; i < 16; i++) {
temp[i] = block1[i] ^ block2[i];
}
return temp;
},
expandKey = function(key) {
// Expects a 1d number array
var w = [],
temp = [],
i,
r,
t,
flat = [],
j;
for (i = 0; i < Nk; i++) {
r = [key[4 * i], key[4 * i + 1], key[4 * i + 2], key[4 * i + 3]];
w[i] = r;
}
for (i = Nk; i < (4 * (Nr + 1)); i++) {
w[i] = [];
for (t = 0; t < 4; t++) {
temp[t] = w[i - 1][t];
}
if (i % Nk === 0) {
temp = subWord(rotWord(temp));
temp[0] ^= Rcon[i / Nk - 1];
} else if (Nk > 6 && i % Nk == 4) {
temp = subWord(temp);
}
for (t = 0; t < 4; t++) {
w[i][t] = w[i - Nk][t] ^ temp[t];
}
}
for (i = 0; i < (Nr + 1); i++) {
flat[i] = [];
for (j = 0; j < 4; j++) {
flat[i].push(w[i * 4 + j][0], w[i * 4 + j][1], w[i * 4 + j][2], w[i * 4 + j][3]);
}
}
return flat;
},
subWord = function(w) {
// apply SBox to 4-byte word w
for (var i = 0; i < 4; i++) {
w[i] = SBox[w[i]];
}
return w;
},
rotWord = function(w) {
// rotate 4-byte word w left by one byte
var tmp = w[0],
i;
for (i = 0; i < 4; i++) {
w[i] = w[i + 1];
}
w[3] = tmp;
return w;
},
// S-box
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],
// Precomputed lookup table for the inverse SBox
SBoxInv = [
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],
// Rijndael Rcon
Rcon = [1, 2, 4, 8, 16, 32, 64, 128, 27, 54, 108, 216, 171, 77, 154, 47, 94,
188, 99, 198, 151, 53, 106, 212, 179, 125, 250, 239, 197, 145],
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, 0xba,
0x85, 0x8c, 0x97, 0x9e, 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6,
0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62,
0x5d, 0x54, 0x4f, 0x46
],
GBX = [
0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45,
0x74, 0x7f, 0x62, 0x69, 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81,
0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9, 0x7b, 0x70, 0x6d, 0x66,
0x57, 0x5c, 0x41, 0x4a, 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12,
0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, 0x93, 0x98, 0x85, 0x8e,
0xbf, 0xb4, 0xa9, 0xa2, 0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7,
0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f, 0x46, 0x4d, 0x50, 0x5b,
0x6a, 0x61, 0x7c, 0x77, 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f,
0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, 0xd5, 0xde, 0xc3, 0xc8,
0xf9, 0xf2, 0xef, 0xe4, 0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c,
0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54, 0xf7, 0xfc, 0xe1, 0xea,
0xdb, 0xd0, 0xcd, 0xc6, 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e,
0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, 0x1f, 0x14, 0x09, 0x02,
0x33, 0x38, 0x25, 0x2e, 0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd,
0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5, 0x3c, 0x37, 0x2a, 0x21,
0x10, 0x1b, 0x06, 0x0d, 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55,
0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, 0x59, 0x52, 0x4f, 0x44,
0x75, 0x7e, 0x63, 0x68, 0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80,
0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8, 0x7a, 0x71, 0x6c, 0x67,
0x56, 0x5d, 0x40, 0x4b, 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13,
0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f,
0xbe, 0xb5, 0xa8, 0xa3
],
GDX = [
0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f,
0x5c, 0x51, 0x46, 0x4b, 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3,
0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b, 0xbb, 0xb6, 0xa1, 0xac,
0x8f, 0x82, 0x95, 0x98, 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0,
0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, 0x03, 0x0e, 0x19, 0x14,
0x37, 0x3a, 0x2d, 0x20, 0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e,
0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26, 0xbd, 0xb0, 0xa7, 0xaa,
0x89, 0x84, 0x93, 0x9e, 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6,
0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, 0xbe, 0xb3, 0xa4, 0xa9,
0x8a, 0x87, 0x90, 0x9d, 0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25,
0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d, 0xda, 0xd7, 0xc0, 0xcd,
0xee, 0xe3, 0xf4, 0xf9, 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91,
0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, 0x62, 0x6f, 0x78, 0x75,
0x56, 0x5b, 0x4c, 0x41, 0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42,
0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a, 0xb1, 0xbc, 0xab, 0xa6,
0x85, 0x88, 0x9f, 0x92, 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa,
0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, 0xdf, 0xd2, 0xc5, 0xc8,
0xeb, 0xe6, 0xf1, 0xfc, 0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44,
0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c, 0x0c, 0x01, 0x16, 0x1b,
0x38, 0x35, 0x22, 0x2f, 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47,
0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3,
0x80, 0x8d, 0x9a, 0x97
],
GEX = [
0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62,
0x48, 0x46, 0x54, 0x5a, 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca,
0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba, 0xdb, 0xd5, 0xc7, 0xc9,
0xe3, 0xed, 0xff, 0xf1, 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81,
0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, 0x4b, 0x45, 0x57, 0x59,
0x73, 0x7d, 0x6f, 0x61, 0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87,
0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7, 0x4d, 0x43, 0x51, 0x5f,
0x75, 0x7b, 0x69, 0x67, 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17,
0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, 0x06, 0x08, 0x1a, 0x14,
0x3e, 0x30, 0x22, 0x2c, 0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc,
0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc, 0x41, 0x4f, 0x5d, 0x53,
0x79, 0x77, 0x65, 0x6b, 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b,
0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, 0xd1, 0xdf, 0xcd, 0xc3,
0xe9, 0xe7, 0xf5, 0xfb, 0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0,
0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0, 0x7a, 0x74, 0x66, 0x68,
0x42, 0x4c, 0x5e, 0x50, 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20,
0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, 0x9c, 0x92, 0x80, 0x8e,
0xa4, 0xaa, 0xb8, 0xb6, 0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26,
0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56, 0x37, 0x39, 0x2b, 0x25,
0x0f, 0x01, 0x13, 0x1d, 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d,
0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5,
0x9f, 0x91, 0x83, 0x8d
],
enc = function(string, pass, binary) {
// string, password in plaintext
var salt = randArr(8),
pbe = openSSLKey(s2a(pass, binary), salt),
key = pbe.key,
iv = pbe.iv,
cipherBlocks,
saltBlock = [[83, 97, 108, 116, 101, 100, 95, 95].concat(salt)];
string = s2a(string, binary);
cipherBlocks = rawEncrypt(string, key, iv);
// Spells out 'Salted__'
cipherBlocks = saltBlock.concat(cipherBlocks);
return Base64.encode(cipherBlocks);
},
dec = function(string, pass, binary) {
// string, password in plaintext
var cryptArr = Base64.decode(string),
salt = cryptArr.slice(8, 16),
pbe = openSSLKey(s2a(pass, binary), salt),
key = pbe.key,
iv = pbe.iv;
cryptArr = cryptArr.slice(16, cryptArr.length);
// Take off the Salted__ffeeddcc
string = rawDecrypt(cryptArr, key, iv, binary);
return string;
},
MD5 = function(numArr) {
function rotateLeft(lValue, iShiftBits) {
return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
}
function addUnsigned(lX, lY) {
var lX4,
lY4,
lX8,
lY8,
lResult;
lX8 = (lX & 0x80000000);
lY8 = (lY & 0x80000000);
lX4 = (lX & 0x40000000);
lY4 = (lY & 0x40000000);
lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
if (lX4 & lY4) {
return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
}
if (lX4 | lY4) {
if (lResult & 0x40000000) {
return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
} else {
return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
}
} else {
return (lResult ^ lX8 ^ lY8);
}
}
function f(x, y, z) {
return (x & y) | ((~x) & z);
}
function g(x, y, z) {
return (x & z) | (y & (~z));
}
function h(x, y, z) {
return (x ^ y ^ z);
}
function funcI(x, y, z) {
return (y ^ (x | (~z)));
}
function ff(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(f(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function gg(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(g(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function hh(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(h(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function ii(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(funcI(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
}
function convertToWordArray(numArr) {
var lWordCount,
lMessageLength = numArr.length,
lNumberOfWords_temp1 = lMessageLength + 8,
lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64,
lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16,
lWordArray = [],
lBytePosition = 0,
lByteCount = 0;
while (lByteCount < lMessageLength) {
lWordCount = (lByteCount - (lByteCount % 4)) / 4;
lBytePosition = (lByteCount % 4) * 8;
lWordArray[lWordCount] = (lWordArray[lWordCount] | (numArr[lByteCount] << lBytePosition));
lByteCount++;
}
lWordCount = (lByteCount - (lByteCount % 4)) / 4;
lBytePosition = (lByteCount % 4) * 8;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
return lWordArray;
}
function wordToHex(lValue) {
var lByte,
lCount,
wordToHexArr = [];
for (lCount = 0; lCount <= 3; lCount++) {
lByte = (lValue >>> (lCount * 8)) & 255;
wordToHexArr = wordToHexArr.concat(lByte);
}
return wordToHexArr;
}
/*function utf8Encode(string) {
string = string.replace(/\r\n/g, "\n");
var utftext = "",
n,
c;
for (n = 0; n < string.length; n++) {
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;
}*/
var x = [],
k,
AA,
BB,
CC,
DD,
a,
b,
c,
d,
S11 = 7,
S12 = 12,
S13 = 17,
S14 = 22,
S21 = 5,
S22 = 9,
S23 = 14,
S24 = 20,
S31 = 4,
S32 = 11,
S33 = 16,
S34 = 23,
S41 = 6,
S42 = 10,
S43 = 15,
S44 = 21;
x = convertToWordArray(numArr);
a = 0x67452301;
b = 0xEFCDAB89;
c = 0x98BADCFE;
d = 0x10325476;
for (k = 0; k < x.length; k += 16) {
AA = a;
BB = b;
CC = c;
DD = d;
a = ff(a, b, c, d, x[k + 0], S11, 0xD76AA478);
d = ff(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
c = ff(c, d, a, b, x[k + 2], S13, 0x242070DB);
b = ff(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
a = ff(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
d = ff(d, a, b, c, x[k + 5], S12, 0x4787C62A);
c = ff(c, d, a, b, x[k + 6], S13, 0xA8304613);
b = ff(b, c, d, a, x[k + 7], S14, 0xFD469501);
a = ff(a, b, c, d, x[k + 8], S11, 0x698098D8);
d = ff(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
c = ff(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
b = ff(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
a = ff(a, b, c, d, x[k + 12], S11, 0x6B901122);
d = ff(d, a, b, c, x[k + 13], S12, 0xFD987193);
c = ff(c, d, a, b, x[k + 14], S13, 0xA679438E);
b = ff(b, c, d, a, x[k + 15], S14, 0x49B40821);
a = gg(a, b, c, d, x[k + 1], S21, 0xF61E2562);
d = gg(d, a, b, c, x[k + 6], S22, 0xC040B340);
c = gg(c, d, a, b, x[k + 11], S23, 0x265E5A51);
b = gg(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
a = gg(a, b, c, d, x[k + 5], S21, 0xD62F105D);
d = gg(d, a, b, c, x[k + 10], S22, 0x2441453);
c = gg(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
b = gg(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
a = gg(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
d = gg(d, a, b, c, x[k + 14], S22, 0xC33707D6);
c = gg(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
b = gg(b, c, d, a, x[k + 8], S24, 0x455A14ED);
a = gg(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
d = gg(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
c = gg(c, d, a, b, x[k + 7], S23, 0x676F02D9);
b = gg(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
a = hh(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
d = hh(d, a, b, c, x[k + 8], S32, 0x8771F681);
c = hh(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
b = hh(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
a = hh(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
d = hh(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
c = hh(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
b = hh(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
a = hh(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
d = hh(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
c = hh(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
b = hh(b, c, d, a, x[k + 6], S34, 0x4881D05);
a = hh(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
d = hh(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
c = hh(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
b = hh(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
a = ii(a, b, c, d, x[k + 0], S41, 0xF4292244);
d = ii(d, a, b, c, x[k + 7], S42, 0x432AFF97);
c = ii(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
b = ii(b, c, d, a, x[k + 5], S44, 0xFC93A039);
a = ii(a, b, c, d, x[k + 12], S41, 0x655B59C3);
d = ii(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
c = ii(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
b = ii(b, c, d, a, x[k + 1], S44, 0x85845DD1);
a = ii(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
d = ii(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
c = ii(c, d, a, b, x[k + 6], S43, 0xA3014314);
b = ii(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
a = ii(a, b, c, d, x[k + 4], S41, 0xF7537E82);
d = ii(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
c = ii(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
b = ii(b, c, d, a, x[k + 9], S44, 0xEB86D391);
a = addUnsigned(a, AA);
b = addUnsigned(b, BB);
c = addUnsigned(c, CC);
d = addUnsigned(d, DD);
}
return wordToHex(a).concat(wordToHex(b), wordToHex(c), wordToHex(d));
},
Base64 = (function(){
// Takes a Nx16x1 byte array and converts it to Base64
var _chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
chars = _chars.split(''),
encode = function(b, withBreaks) {
var flatArr = [],
b64 = '',
i,
broken_b64;
totalChunks = Math.floor(b.length * 16 / 3);
for (i = 0; i < b.length * 16; i++) {
flatArr.push(b[Math.floor(i / 16)][i % 16]);
}
for (i = 0; i < flatArr.length; i = i + 3) {
b64 += chars[flatArr[i] >> 2];
b64 += chars[((flatArr[i] & 3) << 4) | (flatArr[i + 1] >> 4)];
if (! (flatArr[i + 1] === undefined)) {
b64 += chars[((flatArr[i + 1] & 15) << 2) | (flatArr[i + 2] >> 6)];
} else {
b64 += '=';
}
if (! (flatArr[i + 2] === undefined)) {
b64 += chars[flatArr[i + 2] & 63];
} else {
b64 += '=';
}
}
// OpenSSL is super particular about line breaks
broken_b64 = b64.slice(0, 64) + '\n';
for (i = 1; i < (Math.ceil(b64.length / 64)); i++) {
broken_b64 += b64.slice(i * 64, i * 64 + 64) + (Math.ceil(b64.length / 64) == i + 1 ? '': '\n');
}
return broken_b64;
},
decode = function(string) {
string = string.replace(/\n/g, '');
var flatArr = [],
c = [],
b = [],
i;
for (i = 0; i < string.length; i = i + 4) {
c[0] = _chars.indexOf(string.charAt(i));
c[1] = _chars.indexOf(string.charAt(i + 1));
c[2] = _chars.indexOf(string.charAt(i + 2));
c[3] = _chars.indexOf(string.charAt(i + 3));
b[0] = (c[0] << 2) | (c[1] >> 4);
b[1] = ((c[1] & 15) << 4) | (c[2] >> 2);
b[2] = ((c[2] & 3) << 6) | c[3];
flatArr.push(b[0], b[1], b[2]);
}
flatArr = flatArr.slice(0, flatArr.length - (flatArr.length % 16));
return flatArr;
};
//internet explorer
if(typeof Array.indexOf === "function") {
_chars = chars;
}
/*
//other way to solve internet explorer problem
if(!Array.indexOf){
Array.prototype.indexOf = function(obj){
for(var i=0; i<this.length; i++){
if(this[i]===obj){
return i;
}
}
return -1;
}
}
*/
return {
"encode": encode,
"decode": decode
};
})();
return {
"size": size,
"h2a":h2a,
"expandKey":expandKey,
"encryptBlock":encryptBlock,
"decryptBlock":decryptBlock,
"Decrypt":Decrypt,
"s2a":s2a,
"rawEncrypt":rawEncrypt,
"aesEncrypt":aesEncrypt,
"aesDecrypt":aesDecrypt,
"dec":dec,
"openSSLKey":openSSLKey,
"a2h":a2h,
"enc":enc,
"Hash":{"MD5":MD5},
"Base64":Base64
};
})();
if ( typeof define === "function" ) {
define(function () { return GibberishAES; });
}
function AES_Encode(plain_text) {
GibberishAES.size(256);
return GibberishAES.aesEncrypt(plain_text, aes_key);
}
function AES_Decode(base64_text) {
GibberishAES.size(256);
return GibberishAES.aesDecrypt(base64_text, aes_key);
}
* 사용법
var aaa = AES_Encode("abcdefg");
var aaa = AES_Decode(aaa);
위에서 보듯이 사용법은 간단합니다. 위 두 함수를 사용하면 됩니다.
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