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76 lines
2.2 KiB
76 lines
2.2 KiB
// $Id: Skein512.java 253 2011-06-07 18:33:10Z tp $ |
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package fr.cryptohash; |
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/** |
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* <p>This class implements the Skein-512 digest algorithm under the |
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* {@link Digest} API. In the Skein specification, that function is |
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* called under the full name "Skein-512-512".</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: 253 $ |
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* @author Thomas Pornin <[email protected]> |
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*/ |
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public class Skein512 extends SkeinBigCore { |
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/** |
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* Create the engine. |
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*/ |
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public Skein512() |
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{ |
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super(); |
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} |
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/** The initial value for Skein-512. */ |
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private static final long[] initVal = { |
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0x4903ADFF749C51CEL, 0x0D95DE399746DF03L, |
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0x8FD1934127C79BCEL, 0x9A255629FF352CB1L, |
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0x5DB62599DF6CA7B0L, 0xEABE394CA9D5C3F4L, |
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0x991112C71A75B523L, 0xAE18A40B660FCC33L |
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}; |
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/** @see SkeinBigCore */ |
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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 SkeinBigCore */ |
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SkeinBigCore dup() |
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{ |
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return new Skein512(); |
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} |
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}
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