corrade-nucleus-nucleons – Blame information for rev
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Rev | Author | Line No. | Line |
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2 | office | 1 | /* |
2 | CryptoJS v3.1.2 |
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3 | code.google.com/p/crypto-js |
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4 | (c) 2009-2013 by Jeff Mott. All rights reserved. |
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5 | code.google.com/p/crypto-js/wiki/License |
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6 | */ |
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7 | /** |
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8 | * ANSI X.923 padding strategy. |
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9 | */ |
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10 | CryptoJS.pad.AnsiX923 = { |
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11 | pad: function (data, blockSize) { |
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12 | // Shortcuts |
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13 | var dataSigBytes = data.sigBytes; |
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14 | var blockSizeBytes = blockSize * 4; |
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15 | |||
16 | // Count padding bytes |
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17 | var nPaddingBytes = blockSizeBytes - dataSigBytes % blockSizeBytes; |
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18 | |||
19 | // Compute last byte position |
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20 | var lastBytePos = dataSigBytes + nPaddingBytes - 1; |
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21 | |||
22 | // Pad |
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23 | data.clamp(); |
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24 | data.words[lastBytePos >>> 2] |= nPaddingBytes << (24 - (lastBytePos % 4) * 8); |
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25 | data.sigBytes += nPaddingBytes; |
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26 | }, |
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27 | |||
28 | unpad: function (data) { |
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29 | // Get number of padding bytes from last byte |
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30 | var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff; |
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31 | |||
32 | // Remove padding |
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33 | data.sigBytes -= nPaddingBytes; |
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34 | } |
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35 | }; |