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| var EncryptionUtils = Class.create();
EncryptionUtils.prototype = {
initialize: function() {
var chrsz = 8;
var hexcase = 0;
},
encryptTwoWay: function(str, key){
var encr;
if(typeof key != 'undefined')
encr = new GlideEncrypter(key);
else
encr = new GlideEncrypter();
return encr.encrypt(str);
},
decryptTwoWay: function(str, key){
var encr;
if(typeof key != 'undefined')
encr = new GlideEncrypter(key);
else
encr = new GlideEncrypter();
return encr.decrypt(str);
},
encryptOneWay: function(str){
return this.SHA256(str);
},
SHA256: function(s) {
var chrsz = 8;
var hexcase = 0;
s = this.Utf8Encode(s);
return this.binb2hex(this.core_sha256(this.str2binb(s), s.length * chrsz));
},
safe_add: function(x, y) {
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
},
S: function(X, n) {
return (X >>> n) | (X << (32 - n));
},
R: function(X, n) {
return (X >>> n);
},
Ch: function(x, y, z) {
return ((x & y) ^ ((~x) & z));
},
Maj: function(x, y, z) {
return ((x & y) ^ (x & z) ^ (y & z));
},
Sigma0256: function(x) {
return (this.S(x, 2) ^ this.S(x, 13) ^ this.S(x, 22));
},
Sigma1256: function(x) {
return (this.S(x, 6) ^ this.S(x, 11) ^ this.S(x, 25));
},
Gamma0256: function(x) {
return (this.S(x, 7) ^ this.S(x, 18) ^ this.R(x, 3));
},
Gamma1256: function(x) {
return (this.S(x, 17) ^ this.S(x, 19) ^ this.R(x, 10));
},
core_sha256: function(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] = this.safe_add(this.safe_add(this.safe_add(this.Gamma1256(W[j - 2]), W[j - 7]), this.Gamma0256(W[j - 15])), W[j - 16]);
T1 = this.safe_add(this.safe_add(this.safe_add(this.safe_add(h, this.Sigma1256(e)), this.Ch(e, f, g)), K[j]), W[j]);
T2 = this.safe_add(this.Sigma0256(a), this.Maj(a, b, c));
h = g;
g = f;
f = e;
e = this.safe_add(d, T1);
d = c;
c = b;
b = a;
a = this.safe_add(T1, T2);
}
HASH[0] = this.safe_add(a, HASH[0]);
HASH[1] = this.safe_add(b, HASH[1]);
HASH[2] = this.safe_add(c, HASH[2]);
HASH[3] = this.safe_add(d, HASH[3]);
HASH[4] = this.safe_add(e, HASH[4]);
HASH[5] = this.safe_add(f, HASH[5]);
HASH[6] = this.safe_add(g, HASH[6]);
HASH[7] = this.safe_add(h, HASH[7]);
}
return HASH;
},
str2binb: function(str) {
var chrsz = 8;
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;
},
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;
},
binb2hex: function(binarray) {
var hexcase = 0;
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;
},
type: 'EncryptionUtils'
};
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