1 files changed, 0 insertions, 247 deletions
diff --git a/libjava/gnu/java/security/provider/DSASignature.java b/libjava/gnu/java/security/provider/DSASignature.java
deleted file mode 100644
index f33f048aebd..00000000000
--- a/libjava/gnu/java/security/provider/DSASignature.java
+++ /dev/null
@@ -1,247 +0,0 @@
-/* DSASignature.java
-   Copyright (C) 1999 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
- 
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING.  If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version. */
-
-package gnu.java.security.provider;
-
-import java.math.BigInteger;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.InvalidParameterException;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.security.NoSuchProviderException;
-import java.security.PrivateKey;
-import java.security.PublicKey;
-import java.security.SecureRandom;
-import java.security.SignatureException;
-import java.security.SignatureSpi;
-import java.security.interfaces.DSAPrivateKey;
-import java.security.interfaces.DSAPublicKey;
-import java.security.spec.AlgorithmParameterSpec;
-import java.util.Random;
-import gnu.java.security.der.DEREncodingException;
-
-public class DSASignature extends SignatureSpi
-{
-  private DSAPublicKey publicKey;
-  private DSAPrivateKey privateKey;
-  private MessageDigest digest = null;
-
-  public DSASignature()
-  {}
-
-  private void init()
-  {
-    if( digest == null ) {
-      try {
-	digest = MessageDigest.getInstance( "SHA1", "GNU" );
-      } catch ( NoSuchAlgorithmException nsae ) {
-	digest = null;
-      } catch ( NoSuchProviderException nspe ) {
-	digest = null;
-      }
-    }
-    digest.reset();
-  }
-
-  public void engineInitVerify(PublicKey publicKey)
-    throws InvalidKeyException
-  {
-    if( publicKey instanceof DSAPublicKey )
-      this.publicKey = (DSAPublicKey)publicKey;
-    else
-      throw new InvalidKeyException();
-    init();
-  }
-
-  public void engineInitSign(PrivateKey privateKey)
-    throws InvalidKeyException
-  {
-    if( privateKey instanceof DSAPrivateKey )
-      this.privateKey = (DSAPrivateKey)privateKey;
-    else
-      throw new InvalidKeyException();
-
-    init();
-  }
-
-  public void engineInitSign(PrivateKey privateKey, 
-			     SecureRandom random)
-    throws InvalidKeyException
-  {
-    if( privateKey instanceof DSAPrivateKey )
-      this.privateKey = (DSAPrivateKey)privateKey;
-    else
-      throw new InvalidKeyException();
-
-    appRandom = random;
-    init();
-  }
-
-  public void engineUpdate(byte b)
-    throws SignatureException
-  {
-    if( digest == null )
-      throw new SignatureException();		
-
-    digest.update( b );
-  }
-
-  public void engineUpdate(byte[] b, int off, int len)
-    throws SignatureException
-  {
-    if( digest == null )
-      throw new SignatureException();		
-
-    digest.update( b, off, len );
-  }
-
-  public byte[] engineSign()
-    throws SignatureException
-  {
-    if( digest == null )
-      throw new SignatureException();		
-    if( privateKey == null)
-      throw new SignatureException();		
-
-    try {
-
-      BigInteger g = privateKey.getParams().getG();
-      BigInteger p = privateKey.getParams().getP();
-      BigInteger q = privateKey.getParams().getQ();
-
-      BigInteger x = privateKey.getX();
-
-      BigInteger k = new BigInteger( 159, (Random)appRandom );
-
-      BigInteger r = g.modPow(k, p);
-      r = r.mod(q);
-
-      byte bytes[] = digest.digest();
-      BigInteger sha = new BigInteger(1, bytes);
-
-      BigInteger s = sha.add( x.multiply( r ) );
-      s = s.multiply( k.modInverse(q) ).mod( q );
-
-      DERWriter writer = new DERWriter();
-      return writer.joinarrays( writer.writeBigInteger( r ),  writer.writeBigInteger( s ) );
-
-    } catch ( ArithmeticException ae ) {
-      throw new SignatureException();
-    }
-  }
-
-  public int engineSign(byte[] outbuf, int offset, int len)
-    throws SignatureException
-  {
-    byte tmp[] = engineSign();
-    if( tmp.length > len )
-      throw new SignatureException();
-    System.arraycopy( tmp, 0, outbuf, offset, tmp.length );
-    return tmp.length;
-  }
-
-  public boolean engineVerify(byte[] sigBytes)
-    throws SignatureException
-  {
-    //Decode sigBytes from ASN.1 DER encoding
-    try {
-      DERReader reader = new DERReader( sigBytes );
-      BigInteger r = reader.getBigInteger();
-      BigInteger s = reader.getBigInteger();
-
-      BigInteger g = publicKey.getParams().getG();
-      BigInteger p = publicKey.getParams().getP();
-      BigInteger q = publicKey.getParams().getQ();
-
-      BigInteger y = publicKey.getY();
-
-      BigInteger w = s.modInverse( q );
-
-      byte bytes[] = digest.digest();
-      BigInteger sha = new BigInteger(1, bytes);
-
-      BigInteger u1 = w.multiply( sha ).mod( q );
-
-      BigInteger u2 = r.multiply( w ).mod( q );
-
-      //This should test the compiler :)
-      BigInteger v = g.modPow( u1, p ).multiply( y.modPow( u2, p ) ).mod( p ).mod( q );
-
-      if( v.equals( r ) )
-	return true;
-      else
-	return false;
-    } catch ( DEREncodingException deree ) {
-      throw new SignatureException();
-    }
-  }
-
-  public void engineSetParameter(String param,
-				 Object value)
-    throws InvalidParameterException
-  {
-    throw new InvalidParameterException();
-  }
-
-  public void engineSetParameter(AlgorithmParameterSpec params)
-    throws InvalidAlgorithmParameterException
-  {
-    throw new InvalidParameterException();
-
-  }
-
-  public Object engineGetParameter(String param)
-    throws InvalidParameterException
-  {
-    throw new InvalidParameterException();
-  }
-
-  public Object clone()
-    //throws CloneNotSupportedException
-  {
-    return new DSASignature( this );
-  }
-
-  private DSASignature( DSASignature copy )
-  {
-    this();
-    this.publicKey = copy.publicKey;
-    this.privateKey = copy.privateKey;
-    this.digest = copy.digest;
-  }
-}