28839b70d0
2004-08-30 Casey Marshall <csm@gnu.org>
* java/security/DummyKeyPairGenerator.java (clone): Removed
useless instanceof check.
* java/security/DummyMessageDigest.java (clone): Likewise.
* java/security/DummySignature.java (clone): Likewise.
* java/security/MessageDigest.java (clone): Remove useless
instanceof check.
* java/security/MessageDigestSpi.java (clone): Likewise.
* java/security/Signature.java (clone): Provide meaningful
implementation.
* java/security/SignatureSpi.java (clone): Likewise.
From-SVN: r86755
91 lines
2.8 KiB
Java
91 lines
2.8 KiB
Java
/* DummyMessageDigest.java - Wrapper for MessageDigestSpi
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Copyright (C) 1999, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.security;
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final class DummyMessageDigest extends MessageDigest
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{
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private MessageDigestSpi mdSpi = null;
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public DummyMessageDigest(MessageDigestSpi mdSpi, String algorithm)
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{
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super(algorithm);
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this.mdSpi = mdSpi;
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}
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public Object clone() throws CloneNotSupportedException
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{
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MessageDigest result = new DummyMessageDigest
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((MessageDigestSpi) mdSpi.clone(), this.getAlgorithm());
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result.provider = this.getProvider();
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return result;
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}
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// java.security.MessageDigestSpi abstract methods implementation ---------
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public byte[] engineDigest()
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{
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return mdSpi.engineDigest();
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}
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public int engineDigest(byte[] buf, int offset, int len)
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throws DigestException
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{
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return mdSpi.engineDigest(buf, offset, len);
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}
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public int engineGetDigestLength()
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{
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return mdSpi.engineGetDigestLength();
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}
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public void engineReset()
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{
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mdSpi.engineReset();
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}
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public void engineUpdate(byte input)
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{
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mdSpi.engineUpdate(input);
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}
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public void engineUpdate(byte[] input, int offset, int len)
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{
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mdSpi.engineUpdate(input, offset, len);
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}
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}
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