/*CryptoJS v3.1.2code.google.com/p/crypto-js(c) 2009-2013 by Jeff Mott. All rights reserved.code.google.com/p/crypto-js/wiki/License*/(function () { // Shortcuts var C = CryptoJS; var C_lib = C.lib; var WordArray = C_lib.WordArray; var C_enc = C.enc; /** * Base64 encoding strategy. */ var Base64 = C_enc.Base64 = { /** * Converts a word array to a Base64 string. * * @param {WordArray} wordArray The word array. * * @return {string} The Base64 string. * * @static * * @example * * var base64String = CryptoJS.enc.Base64.stringify(wordArray); */ stringify: function (wordArray) { // Shortcuts var words = wordArray.words; var sigBytes = wordArray.sigBytes; var map = this._map; // Clamp excess bits wordArray.clamp(); // Convert var base64Chars = []; for (var i = 0; i < sigBytes; i += 3) { var byte1 = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; var byte2 = (words[(i + 1) >>> 2] >>> (24 - ((i + 1) % 4) * 8)) & 0xff; var byte3 = (words[(i + 2) >>> 2] >>> (24 - ((i + 2) % 4) * 8)) & 0xff; var triplet = (byte1 << 16) | (byte2 << 8) | byte3; for (var j = 0; (j < 4) && (i + j * 0.75 < sigBytes); j++) { base64Chars.push(map.charAt((triplet >>> (6 * (3 - j))) & 0x3f)); } } // Add padding var paddingChar = map.charAt(64); if (paddingChar) { while (base64Chars.length % 4) { base64Chars.push(paddingChar); } } return base64Chars.join(''); }, /** * Converts a Base64 string to a word array. * * @param {string} base64Str The Base64 string. * * @return {WordArray} The word array. * * @static * * @example * * var wordArray = CryptoJS.enc.Base64.parse(base64String); */ parse: function (base64Str) { // Shortcuts var base64StrLength = base64Str.length; var map = this._map; // Ignore padding var paddingChar = map.charAt(64); if (paddingChar) { var paddingIndex = base64Str.indexOf(paddingChar); if (paddingIndex != -1) { base64StrLength = paddingIndex; } } // Convert var words = []; var nBytes = 0; for (var i = 0; i < base64StrLength; i++) { if (i % 4) { var bits1 = map.indexOf(base64Str.charAt(i - 1)) << ((i % 4) * 2); var bits2 = map.indexOf(base64Str.charAt(i)) >>> (6 - (i % 4) * 2); words[nBytes >>> 2] |= (bits1 | bits2) << (24 - (nBytes % 4) * 8); nBytes++; } } return WordArray.create(words, nBytes); }, _map: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=' };}());
/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var C_enc = C.enc;
/**
* Base64 encoding strategy.
*/
var Base64 = C_enc.Base64 = {
/**
* Converts a word array to a Base64 string.
*
* @param {WordArray} wordArray The word array.
*
* @return {string} The Base64 string.
*
* @static
*
* @example
*
* var base64String = CryptoJS.enc.Base64.stringify(wordArray);
*/
stringify: function (wordArray) {
// Shortcuts
var words = wordArray.words;
var sigBytes = wordArray.sigBytes;
var map = this._map;
// Clamp excess bits
wordArray.clamp();
// Convert
var base64Chars = [];
for (var i = 0; i < sigBytes; i += 3) {
var byte1 = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
var byte2 = (words[(i + 1) >>> 2] >>> (24 - ((i + 1) % 4) * 8)) & 0xff;
var byte3 = (words[(i + 2) >>> 2] >>> (24 - ((i + 2) % 4) * 8)) & 0xff;
var triplet = (byte1 << 16) | (byte2 << 8) | byte3;
for (var j = 0; (j < 4) && (i + j * 0.75 < sigBytes); j++) {
base64Chars.push(map.charAt((triplet >>> (6 * (3 - j))) & 0x3f));
}
}
// Add padding
var paddingChar = map.charAt(64);
if (paddingChar) {
while (base64Chars.length % 4) {
base64Chars.push(paddingChar);
}
}
return base64Chars.join('');
},
/**
* Converts a Base64 string to a word array.
*
* @param {string} base64Str The Base64 string.
*
* @return {WordArray} The word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.enc.Base64.parse(base64String);
*/
parse: function (base64Str) {
// Shortcuts
var base64StrLength = base64Str.length;
var map = this._map;
// Ignore padding
var paddingChar = map.charAt(64);
if (paddingChar) {
var paddingIndex = base64Str.indexOf(paddingChar);
if (paddingIndex != -1) {
base64StrLength = paddingIndex;
}
}
// Convert
var words = [];
var nBytes = 0;
for (var i = 0; i < base64StrLength; i++) {
if (i % 4) {
var bits1 = map.indexOf(base64Str.charAt(i - 1)) << ((i % 4) * 2);
var bits2 = map.indexOf(base64Str.charAt(i)) >>> (6 - (i % 4) * 2);
words[nBytes >>> 2] |= (bits1 | bits2) << (24 - (nBytes % 4) * 8);
nBytes++;
}
}
return WordArray.create(words, nBytes);
},
_map: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='
};
}());