// $Id: SHAvite256.java 222 2010-06-09 10:47:13Z tp $
package fr.cryptohash;
/**
* <p>This class implements the SHAvite-256 digest algorithm under the
* {@link Digest} API (in the SHAvite-3 specification, this function
* is known as "SHAvite-3 with a 256-bit output").</p>
*
* <pre>
* ==========================(LICENSE BEGIN)============================
*
* Copyright (c) 2007-2010 Projet RNRT SAPHIR
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ===========================(LICENSE END)=============================
* </pre>
*
* @version $Revision: 222 $
* @author Thomas Pornin <thomas.pornin@cryptolog.com>
*/
public class SHAvite256 extends SHAviteSmallCore {
/**
* Create the engine.
*/
public SHAvite256()
{
super();
}
/** The initial value for SHAvite-256. */
private static final int[] initVal = {
0x49BB3E47, 0x2674860D, 0xA8B392AC, 0x021AC4E6,
0x409283CF, 0x620E5D86, 0x6D929DCB, 0x96CC2A8B
};
/** @see SHAviteSmallCore */
int[] getInitVal()
{
return initVal;
}
/** @see Digest */
public int getDigestLength()
{
return 32;
}
/** @see Digest */
public Digest copy()
{
return copyState(new SHAvite256());
}
}