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authorMario <mario@mariovavti.com>2020-11-05 08:46:42 +0000
committerMario <mario@mariovavti.com>2020-11-05 08:46:42 +0000
commitbafbf0416462c6f18c3fb6c8c06a063c8d6fdae6 (patch)
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parentfdefa101d84dc2a9424eaedbdb003a4c30ec5d01 (diff)
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Merge branch '5.0RC'5.0
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-rw-r--r--library/cryptojs/components/pad-ansix923.js35
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diff --git a/library/cryptojs/components/pad-ansix923.js b/library/cryptojs/components/pad-ansix923.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
-*/
-/**
- * ANSI X.923 padding strategy.
- */
-CryptoJS.pad.AnsiX923 = {
- pad: function (data, blockSize) {
- // Shortcuts
- var dataSigBytes = data.sigBytes;
- var blockSizeBytes = blockSize * 4;
-
- // Count padding bytes
- var nPaddingBytes = blockSizeBytes - dataSigBytes % blockSizeBytes;
-
- // Compute last byte position
- var lastBytePos = dataSigBytes + nPaddingBytes - 1;
-
- // Pad
- data.clamp();
- data.words[lastBytePos >>> 2] |= nPaddingBytes << (24 - (lastBytePos % 4) * 8);
- data.sigBytes += nPaddingBytes;
- },
-
- 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;
- }
-};