Imported GNU Classpath 0.90
Imported GNU Classpath 0.90
* scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
* gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
* java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
* java/lang/Math.java: New override file.
* java/lang/Character.java: Merged from Classpath.
(start, end): Now 'int's.
(canonicalName): New field.
(CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
(UnicodeBlock): Added argument.
(of): New overload.
(forName): New method.
Updated unicode blocks.
(sets): Updated.
* sources.am: Regenerated.
* Makefile.in: Likewise.
From-SVN: r111942
This commit is contained in:
Mark Wielaard
@@ -0,0 +1,263 @@
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/* SignatureAdapter.java --
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Copyright 2001, 2002, 2006 Free Software Foundation, Inc.
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This file is a 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 of the License, or (at
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your option) 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; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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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 gnu.java.security.jce.sig;
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import gnu.java.security.sig.BaseSignature;
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import gnu.java.security.sig.ISignature;
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import gnu.java.security.sig.ISignatureCodec;
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import gnu.java.security.sig.SignatureFactory;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidKeyException;
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import java.security.InvalidParameterException;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.security.SecureRandom;
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import java.security.SignatureException;
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import java.security.SignatureSpi;
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import java.security.spec.AlgorithmParameterSpec;
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import java.util.HashMap;
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import java.util.logging.Logger;
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/**
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* The implementation of a generic {@link java.security.Signature} adapter class
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* to wrap gnu.crypto signature instances.<p>
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*
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* This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) for the
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* {@link java.security.Signature} class, which provides the functionality of a
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* digital signature algorithm. Digital signatures are used for authentication
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* and integrity assurance of digital data.<p>
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*
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* All the abstract methods in the {@link java.security.SignatureSpi} class are
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* implemented by this class and all its sub-classes.<p>
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*
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* All the implementations which subclass this object, and which are serviced by
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* the GNU Crypto provider implement the {@link java.lang.Cloneable} interface.<p>
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*
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* @version $Revision: 1.2 $
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*/
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class SignatureAdapter extends SignatureSpi implements Cloneable
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{
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private static final Logger log = Logger.getLogger(SignatureAdapter.class.getName());
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// Constants and variables
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// -------------------------------------------------------------------------
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/** Our underlying signature instance. */
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private ISignature adaptee;
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/** Our underlying signature encoder/decoder engine. */
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private ISignatureCodec codec;
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// Constructor(s)
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// -------------------------------------------------------------------------
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/**
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* Trivial protected constructor.<p>
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*
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* @param sigName the canonical name of the signature scheme.
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* @param codec the signature codec engine to use with this scheme.
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*/
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protected SignatureAdapter(String sigName, ISignatureCodec codec)
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{
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this(SignatureFactory.getInstance(sigName), codec);
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}
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/**
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* Private constructor for cloning purposes.<p>
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*
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* @param adaptee a clone of the underlying signature scheme instance.
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* @param codec the signature codec engine to use with this scheme.
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*/
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private SignatureAdapter(ISignature adaptee, ISignatureCodec codec)
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{
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super();
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this.adaptee = adaptee;
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this.codec = codec;
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}
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// Class methods
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// -------------------------------------------------------------------------
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// java.security.SignatureSpi interface implementation
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// -------------------------------------------------------------------------
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public Object clone()
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{
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return new SignatureAdapter((ISignature) adaptee.clone(), codec);
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}
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public void engineInitVerify(PublicKey publicKey) throws InvalidKeyException
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{
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HashMap attributes = new HashMap();
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attributes.put(BaseSignature.VERIFIER_KEY, publicKey);
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try
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{
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adaptee.setupVerify(attributes);
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}
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catch (IllegalArgumentException x)
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{
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throw new InvalidKeyException(String.valueOf(x));
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}
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}
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public void engineInitSign(PrivateKey privateKey) throws InvalidKeyException
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{
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HashMap attributes = new HashMap();
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attributes.put(BaseSignature.SIGNER_KEY, privateKey);
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try
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{
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adaptee.setupSign(attributes);
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}
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catch (IllegalArgumentException x)
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{
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throw new InvalidKeyException(String.valueOf(x));
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}
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}
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public void engineInitSign(PrivateKey privateKey, SecureRandom random)
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throws InvalidKeyException
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{
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HashMap attributes = new HashMap();
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attributes.put(BaseSignature.SIGNER_KEY, privateKey);
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attributes.put(BaseSignature.SOURCE_OF_RANDOMNESS, random);
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try
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{
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adaptee.setupSign(attributes);
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}
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catch (IllegalArgumentException x)
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{
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throw new InvalidKeyException(String.valueOf(x));
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}
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}
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public void engineUpdate(byte b) throws SignatureException
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{
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try
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{
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adaptee.update(b);
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}
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catch (IllegalStateException x)
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{
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throw new SignatureException(String.valueOf(x));
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}
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}
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public void engineUpdate(byte[] b, int off, int len)
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throws SignatureException
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{
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try
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{
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adaptee.update(b, off, len);
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}
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catch (IllegalStateException x)
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{
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throw new SignatureException(String.valueOf(x));
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}
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}
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public byte[] engineSign() throws SignatureException
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{
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Object signature = null;
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try
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{
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signature = adaptee.sign();
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}
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catch (IllegalStateException x)
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{
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throw new SignatureException(String.valueOf(x));
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}
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byte[] result = codec.encodeSignature(signature);
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return result;
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}
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public int engineSign(byte[] outbuf, int offset, int len)
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throws SignatureException
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{
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byte[] signature = this.engineSign();
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int result = signature.length;
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if (result > len)
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{
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throw new SignatureException("len");
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}
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System.arraycopy(signature, 0, outbuf, offset, result);
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return result;
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}
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public boolean engineVerify(byte[] sigBytes) throws SignatureException
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{
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log.entering("SignatureAdapter", "engineVerify");
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Object signature = codec.decodeSignature(sigBytes);
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boolean result = false;
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try
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{
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result = adaptee.verify(signature);
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}
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catch (IllegalStateException x)
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{
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throw new SignatureException(String.valueOf(x));
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}
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log.exiting("SignatureAdapter", "engineVerify", new Boolean(result));
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return result;
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}
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// Deprecated. Replaced by engineSetParameter.
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public void engineSetParameter(String param, Object value)
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throws InvalidParameterException
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{
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throw new InvalidParameterException("deprecated");
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}
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public void engineSetParameter(AlgorithmParameterSpec params)
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throws InvalidAlgorithmParameterException
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{
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}
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// Deprecated
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public Object engineGetParameter(String param)
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throws InvalidParameterException
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{
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throw new InvalidParameterException("deprecated");
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}
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}
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