angular-crypto
Version:
angular-crypto provides standard and secure cryptographic algorithms for Angular.js with support for: MD5, SHA-1, SHA-256, RC4, Rabbit, AES, DES, PBKDF2, HMAC, OFB, CFB, CTR, CBC, Base64
248 lines • 13 kB
JavaScript
/*
Angular-Crypto - v0.0.1
2014-01-04
*/
(function(window, angular, Math, undefined) {
angular.module("gdi2290.crypto", [ "gdi2290.crypto-md5", "gdi2290.crypto-base64" ]);
angular.module("ngCrypto", [ "gdi2290.crypto" ]);
angular.module("angular-crypto", [ "gdi2290.crypto" ]);
angular.module("gdi2290.crypto-md5", []);
angular.module("gdi2290.crypto-base64", []);
"use strict";
angular.module("gdi2290.crypto-base64").factory("base64", function($window) {
var keyStr = "ABCDEFGHIJKLMNOP" + "QRSTUVWXYZabcdef" + "ghijklmnopqrstuv" + "wxyz0123456789+/" + "=";
return {
encode: function(input) {
var output = "";
var chr1, chr2, chr3 = "";
var enc1, enc2, enc3, enc4 = "";
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = (chr1 & 3) << 4 | chr2 >> 4;
enc3 = (chr2 & 15) << 2 | chr3 >> 6;
enc4 = chr3 & 63;
if ($window.isNaN(chr2)) {
enc3 = enc4 = 64;
} else if ($window.isNaN(chr3)) {
enc4 = 64;
}
output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) + keyStr.charAt(enc4);
chr1 = chr2 = chr3 = "";
enc1 = enc2 = enc3 = enc4 = "";
} while (i < input.length);
return output;
},
decode: function(input) {
var output = "";
var chr1, chr2, chr3 = "";
var enc1, enc2, enc3, enc4 = "";
var i = 0;
var base64test = /[^A-Za-z0-9\+\/\=]/g;
if (base64test.exec(input)) {
$window.alert("There were invalid base64 characters in the input text.\n" + "Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='\n" + "Expect errors in decoding.");
}
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
do {
enc1 = keyStr.indexOf(input.charAt(i++));
enc2 = keyStr.indexOf(input.charAt(i++));
enc3 = keyStr.indexOf(input.charAt(i++));
enc4 = keyStr.indexOf(input.charAt(i++));
chr1 = enc1 << 2 | enc2 >> 4;
chr2 = (enc2 & 15) << 4 | enc3 >> 2;
chr3 = (enc3 & 3) << 6 | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
chr1 = chr2 = chr3 = "";
enc1 = enc2 = enc3 = enc4 = "";
} while (i < input.length);
return output;
}
};
});
"use strict";
angular.module("gdi2290.crypto-md5").factory("md5", function() {
var md5 = {
createHash: function(str) {
var xl;
var rotateLeft = function(lValue, iShiftBits) {
return lValue << iShiftBits | lValue >>> 32 - iShiftBits;
};
var addUnsigned = function(lX, lY) {
var lX4, lY4, lX8, lY8, lResult;
lX8 = lX & 2147483648;
lY8 = lY & 2147483648;
lX4 = lX & 1073741824;
lY4 = lY & 1073741824;
lResult = (lX & 1073741823) + (lY & 1073741823);
if (lX4 & lY4) {
return lResult ^ 2147483648 ^ lX8 ^ lY8;
}
if (lX4 | lY4) {
if (lResult & 1073741824) {
return lResult ^ 3221225472 ^ lX8 ^ lY8;
} else {
return lResult ^ 1073741824 ^ lX8 ^ lY8;
}
} else {
return lResult ^ lX8 ^ lY8;
}
};
var _F = function(x, y, z) {
return x & y | ~x & z;
};
var _G = function(x, y, z) {
return x & z | y & ~z;
};
var _H = function(x, y, z) {
return x ^ y ^ z;
};
var _I = function(x, y, z) {
return y ^ (x | ~z);
};
var _FF = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_F(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var _GG = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_G(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var _HH = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_H(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var _II = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_I(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var convertToWordArray = function(str) {
var lWordCount;
var lMessageLength = str.length;
var lNumberOfWords_temp1 = lMessageLength + 8;
var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - lNumberOfWords_temp1 % 64) / 64;
var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
var lWordArray = new Array(lNumberOfWords - 1);
var lBytePosition = 0;
var lByteCount = 0;
while (lByteCount < lMessageLength) {
lWordCount = (lByteCount - lByteCount % 4) / 4;
lBytePosition = lByteCount % 4 * 8;
lWordArray[lWordCount] = lWordArray[lWordCount] | str.charCodeAt(lByteCount) << lBytePosition;
lByteCount++;
}
lWordCount = (lByteCount - lByteCount % 4) / 4;
lBytePosition = lByteCount % 4 * 8;
lWordArray[lWordCount] = lWordArray[lWordCount] | 128 << lBytePosition;
lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
return lWordArray;
};
var wordToHex = function(lValue) {
var wordToHexValue = "", wordToHexValue_temp = "", lByte, lCount;
for (lCount = 0; lCount <= 3; lCount++) {
lByte = lValue >>> lCount * 8 & 255;
wordToHexValue_temp = "0" + lByte.toString(16);
wordToHexValue = wordToHexValue + wordToHexValue_temp.substr(wordToHexValue_temp.length - 2, 2);
}
return wordToHexValue;
};
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(str);
a = 1732584193;
b = 4023233417;
c = 2562383102;
d = 271733878;
xl = x.length;
for (k = 0; k < xl; k += 16) {
AA = a;
BB = b;
CC = c;
DD = d;
a = _FF(a, b, c, d, x[k + 0], S11, 3614090360);
d = _FF(d, a, b, c, x[k + 1], S12, 3905402710);
c = _FF(c, d, a, b, x[k + 2], S13, 606105819);
b = _FF(b, c, d, a, x[k + 3], S14, 3250441966);
a = _FF(a, b, c, d, x[k + 4], S11, 4118548399);
d = _FF(d, a, b, c, x[k + 5], S12, 1200080426);
c = _FF(c, d, a, b, x[k + 6], S13, 2821735955);
b = _FF(b, c, d, a, x[k + 7], S14, 4249261313);
a = _FF(a, b, c, d, x[k + 8], S11, 1770035416);
d = _FF(d, a, b, c, x[k + 9], S12, 2336552879);
c = _FF(c, d, a, b, x[k + 10], S13, 4294925233);
b = _FF(b, c, d, a, x[k + 11], S14, 2304563134);
a = _FF(a, b, c, d, x[k + 12], S11, 1804603682);
d = _FF(d, a, b, c, x[k + 13], S12, 4254626195);
c = _FF(c, d, a, b, x[k + 14], S13, 2792965006);
b = _FF(b, c, d, a, x[k + 15], S14, 1236535329);
a = _GG(a, b, c, d, x[k + 1], S21, 4129170786);
d = _GG(d, a, b, c, x[k + 6], S22, 3225465664);
c = _GG(c, d, a, b, x[k + 11], S23, 643717713);
b = _GG(b, c, d, a, x[k + 0], S24, 3921069994);
a = _GG(a, b, c, d, x[k + 5], S21, 3593408605);
d = _GG(d, a, b, c, x[k + 10], S22, 38016083);
c = _GG(c, d, a, b, x[k + 15], S23, 3634488961);
b = _GG(b, c, d, a, x[k + 4], S24, 3889429448);
a = _GG(a, b, c, d, x[k + 9], S21, 568446438);
d = _GG(d, a, b, c, x[k + 14], S22, 3275163606);
c = _GG(c, d, a, b, x[k + 3], S23, 4107603335);
b = _GG(b, c, d, a, x[k + 8], S24, 1163531501);
a = _GG(a, b, c, d, x[k + 13], S21, 2850285829);
d = _GG(d, a, b, c, x[k + 2], S22, 4243563512);
c = _GG(c, d, a, b, x[k + 7], S23, 1735328473);
b = _GG(b, c, d, a, x[k + 12], S24, 2368359562);
a = _HH(a, b, c, d, x[k + 5], S31, 4294588738);
d = _HH(d, a, b, c, x[k + 8], S32, 2272392833);
c = _HH(c, d, a, b, x[k + 11], S33, 1839030562);
b = _HH(b, c, d, a, x[k + 14], S34, 4259657740);
a = _HH(a, b, c, d, x[k + 1], S31, 2763975236);
d = _HH(d, a, b, c, x[k + 4], S32, 1272893353);
c = _HH(c, d, a, b, x[k + 7], S33, 4139469664);
b = _HH(b, c, d, a, x[k + 10], S34, 3200236656);
a = _HH(a, b, c, d, x[k + 13], S31, 681279174);
d = _HH(d, a, b, c, x[k + 0], S32, 3936430074);
c = _HH(c, d, a, b, x[k + 3], S33, 3572445317);
b = _HH(b, c, d, a, x[k + 6], S34, 76029189);
a = _HH(a, b, c, d, x[k + 9], S31, 3654602809);
d = _HH(d, a, b, c, x[k + 12], S32, 3873151461);
c = _HH(c, d, a, b, x[k + 15], S33, 530742520);
b = _HH(b, c, d, a, x[k + 2], S34, 3299628645);
a = _II(a, b, c, d, x[k + 0], S41, 4096336452);
d = _II(d, a, b, c, x[k + 7], S42, 1126891415);
c = _II(c, d, a, b, x[k + 14], S43, 2878612391);
b = _II(b, c, d, a, x[k + 5], S44, 4237533241);
a = _II(a, b, c, d, x[k + 12], S41, 1700485571);
d = _II(d, a, b, c, x[k + 3], S42, 2399980690);
c = _II(c, d, a, b, x[k + 10], S43, 4293915773);
b = _II(b, c, d, a, x[k + 1], S44, 2240044497);
a = _II(a, b, c, d, x[k + 8], S41, 1873313359);
d = _II(d, a, b, c, x[k + 15], S42, 4264355552);
c = _II(c, d, a, b, x[k + 6], S43, 2734768916);
b = _II(b, c, d, a, x[k + 13], S44, 1309151649);
a = _II(a, b, c, d, x[k + 4], S41, 4149444226);
d = _II(d, a, b, c, x[k + 11], S42, 3174756917);
c = _II(c, d, a, b, x[k + 2], S43, 718787259);
b = _II(b, c, d, a, x[k + 9], S44, 3951481745);
a = addUnsigned(a, AA);
b = addUnsigned(b, BB);
c = addUnsigned(c, CC);
d = addUnsigned(d, DD);
}
var temp = wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d);
return temp.toLowerCase();
}
};
return {
encode: md5.createHash,
decode: angular.noop
};
});
})(this, this.angular, this.Math, void 0);