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32 lines
747 B
JavaScript
Executable File
32 lines
747 B
JavaScript
Executable File
/*
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CryptoJS v3.1
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code.google.com/p/crypto-js
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(c) 2009-2013 by Jeff Mott. All rights reserved.
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code.google.com/p/crypto-js/wiki/License
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*/
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/**
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* Zero padding strategy.
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*/
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CryptoJS.pad.ZeroPadding = {
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pad: function (data, blockSize) {
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// Shortcut
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var blockSizeBytes = blockSize * 4;
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// Pad
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data.clamp();
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data.sigBytes += blockSizeBytes - ((data.sigBytes % blockSizeBytes) || blockSizeBytes);
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},
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unpad: function (data) {
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// Shortcut
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var dataWords = data.words;
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// Unpad
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var i = data.sigBytes - 1;
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while (!((dataWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff)) {
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i--;
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}
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data.sigBytes = i + 1;
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}
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};
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