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75 lines
2.2 KiB
75 lines
2.2 KiB
// $Id: SHA512.java 156 2010-04-26 17:55:11Z tp $ |
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package fr.cryptohash; |
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/** |
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* <p>This class implements the SHA-512 digest algorithm under the |
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* {@link Digest} API. SHA-512 is specified by FIPS 180-2.</p> |
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* |
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* <pre> |
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* ==========================(LICENSE BEGIN)============================ |
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* |
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* Copyright (c) 2007-2010 Projet RNRT SAPHIR |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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* ===========================(LICENSE END)============================= |
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* </pre> |
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* |
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* @version $Revision: 156 $ |
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* @author Thomas Pornin <[email protected]> |
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*/ |
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public class SHA512 extends SHA2BigCore { |
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/** |
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* Create the engine. |
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*/ |
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public SHA512() |
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{ |
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super(); |
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} |
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/** The initial value for SHA-512. */ |
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private static final long[] initVal = { |
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0x6A09E667F3BCC908L, 0xBB67AE8584CAA73BL, |
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0x3C6EF372FE94F82BL, 0xA54FF53A5F1D36F1L, |
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0x510E527FADE682D1L, 0x9B05688C2B3E6C1FL, |
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0x1F83D9ABFB41BD6BL, 0x5BE0CD19137E2179L |
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}; |
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/** @see SHA2BigCore */ |
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long[] getInitVal() |
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{ |
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return initVal; |
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} |
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/** @see Digest */ |
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public int getDigestLength() |
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{ |
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return 64; |
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} |
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/** @see Digest */ |
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public Digest copy() |
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{ |
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return copyState(new SHA512()); |
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} |
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}
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