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    1   /* DummySignature.java - Signature wrapper for SignatureSpi.
    2      Copyright (C) 1999, 2002 Free Software Foundation, Inc.
    3   
    4   This file is part of GNU Classpath.
    5   
    6   GNU Classpath is free software; you can redistribute it and/or modify
    7   it under the terms of the GNU General Public License as published by
    8   the Free Software Foundation; either version 2, or (at your option)
    9   any later version.
   10   
   11   GNU Classpath is distributed in the hope that it will be useful, but
   12   WITHOUT ANY WARRANTY; without even the implied warranty of
   13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14   General Public License for more details.
   15   
   16   You should have received a copy of the GNU General Public License
   17   along with GNU Classpath; see the file COPYING.  If not, write to the
   18   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   19   02110-1301 USA.
   20   
   21   Linking this library statically or dynamically with other modules is
   22   making a combined work based on this library.  Thus, the terms and
   23   conditions of the GNU General Public License cover the whole
   24   combination.
   25   
   26   As a special exception, the copyright holders of this library give you
   27   permission to link this library with independent modules to produce an
   28   executable, regardless of the license terms of these independent
   29   modules, and to copy and distribute the resulting executable under
   30   terms of your choice, provided that you also meet, for each linked
   31   independent module, the terms and conditions of the license of that
   32   module.  An independent module is a module which is not derived from
   33   or based on this library.  If you modify this library, you may extend
   34   this exception to your version of the library, but you are not
   35   obligated to do so.  If you do not wish to do so, delete this
   36   exception statement from your version. */
   37   
   38   package java.security;
   39   
   40   final class DummySignature extends Signature
   41   {
   42     private SignatureSpi sigSpi = null;
   43   
   44     public DummySignature(SignatureSpi sigSpi, String algorithm)
   45     {
   46       super(algorithm);
   47       this.sigSpi = sigSpi;
   48     }
   49   
   50     public Object clone() throws CloneNotSupportedException
   51     {
   52       Signature result = new DummySignature
   53               ((SignatureSpi) sigSpi.clone(), this.getAlgorithm());
   54       result.provider = this.getProvider();
   55       return result;
   56     }
   57   
   58     protected void engineInitVerify(PublicKey publicKey)
   59       throws InvalidKeyException
   60     {
   61       sigSpi.engineInitVerify(publicKey);
   62     }
   63   
   64     protected void engineInitSign(PrivateKey privateKey)
   65       throws InvalidKeyException
   66     {
   67       sigSpi.engineInitSign(privateKey);
   68     }
   69   
   70     protected void engineUpdate(byte b) throws SignatureException
   71     {
   72       sigSpi.engineUpdate(b);
   73     }
   74   
   75     protected void engineUpdate(byte[]b, int off, int len)
   76       throws SignatureException
   77     {
   78       sigSpi.engineUpdate(b, off, len);
   79     }
   80   
   81     protected byte[] engineSign() throws SignatureException
   82     {
   83       return sigSpi.engineSign();
   84     }
   85   
   86     protected boolean engineVerify(byte[]sigBytes) throws SignatureException
   87     {
   88       return sigSpi.engineVerify(sigBytes);
   89     }
   90   
   91     protected void engineSetParameter(String param, Object value)
   92       throws InvalidParameterException
   93     {
   94       sigSpi.engineSetParameter(param, value);
   95     }
   96   
   97     protected Object engineGetParameter(String param)
   98       throws InvalidParameterException
   99     {
  100       return sigSpi.engineGetParameter(param);
  101     }
  102   }

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