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-rw-r--r--library/cryptojs/components/pad-iso10126.js30
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diff --git a/library/cryptojs/components/pad-iso10126.js b/library/cryptojs/components/pad-iso10126.js
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-/*
-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
-*/
-/**
- * ISO 10126 padding strategy.
- */
-CryptoJS.pad.Iso10126 = {
- pad: function (data, blockSize) {
- // Shortcut
- var blockSizeBytes = blockSize * 4;
-
- // Count padding bytes
- var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes;
-
- // Pad
- data.concat(CryptoJS.lib.WordArray.random(nPaddingBytes - 1)).
- concat(CryptoJS.lib.WordArray.create([nPaddingBytes << 24], 1));
- },
-
- unpad: function (data) {
- // Get number of padding bytes from last byte
- var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff;
-
- // Remove padding
- data.sigBytes -= nPaddingBytes;
- }
-};