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Commit Description:
announcement on top menu bar
Commit Description:
announcement on top menu bar
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r804:b80b4e632bb0 default
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node_modules/crypto-js/pad-zeropadding.js | 44 lines | 1.0 KiB | application/javascript | JavascriptLexer |
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;(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;
while (!((dataWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff)) {
i--;
}
data.sigBytes = i + 1;
}
};
return CryptoJS.pad.ZeroPadding;
}));