;(function (root, factory, undef) {
|
if (typeof exports === "object") {
|
// CommonJS
|
module.exports = exports = factory(require("./core"), require("./cipher-core"));
|
}
|
else if (typeof define === "function" && define.amd) {
|
// AMD
|
define(["./core", "./cipher-core"], factory);
|
}
|
else {
|
// Global (browser)
|
factory(root.CryptoJS);
|
}
|
}(this, function (CryptoJS) {
|
|
/**
|
* Zero padding strategy.
|
*/
|
CryptoJS.pad.ZeroPadding = {
|
pad: function (data, blockSize) {
|
// Shortcut
|
var blockSizeBytes = blockSize * 4;
|
|
// Pad
|
data.clamp();
|
data.sigBytes += blockSizeBytes - ((data.sigBytes % blockSizeBytes) || blockSizeBytes);
|
},
|
|
unpad: function (data) {
|
// Shortcut
|
var dataWords = data.words;
|
|
// Unpad
|
var i = data.sigBytes - 1;
|
for (var i = data.sigBytes - 1; i >= 0; i--) {
|
if (((dataWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff)) {
|
data.sigBytes = i + 1;
|
break;
|
}
|
}
|
}
|
};
|
|
|
return CryptoJS.pad.ZeroPadding;
|
|
}));
|
