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77 lines
2.2 KiB
77 lines
2.2 KiB
3 years ago
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// $Id: Skein224.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-224 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-512-224".</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 <thomas.pornin@cryptolog.com>
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*/
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public class Skein224 extends SkeinBigCore {
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/**
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* Create the engine.
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*/
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public Skein224()
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{
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super();
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}
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/** The initial value for Skein-224. */
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private static final long[] initVal = {
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0xCCD0616248677224L, 0xCBA65CF3A92339EFL,
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0x8CCD69D652FF4B64L, 0x398AED7B3AB890B4L,
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0x0F59D1B1457D2BD0L, 0x6776FE6575D4EB3DL,
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0x99FBC70E997413E9L, 0x9E2CFCCFE1C41EF7L
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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 28;
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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 Skein224();
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}
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}
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