mirror of git://gcc.gnu.org/git/gcc.git
96 lines
3.6 KiB
Java
96 lines
3.6 KiB
Java
/* KeyPairGeneratorAdapter.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.key.IKeyPairGenerator;
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import gnu.java.security.key.KeyPairGeneratorFactory;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.SecureRandom;
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import java.security.spec.AlgorithmParameterSpec;
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/**
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* The implementation of a generic {@link java.security.KeyPairGenerator}
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* adapter class to wrap GNU keypair generator instances.
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* <p>
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* This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) for
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* the {@link java.security.KeyPairGenerator} class, which is used to generate
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* pairs of public and private keys.
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* <p>
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* All the abstract methods in the {@link java.security.KeyPairGeneratorSpi}
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* class are implemented by this class and all its sub-classes.
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* <p>
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* In case the client does not explicitly initialize the KeyPairGenerator (via a
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* call to an <code>initialize()</code> method), the GNU provider supplies
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* (and document) default values to be used. For example, the GNU provider uses
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* a default <i>modulus</i> size (keysize) of 1024 bits for the DSS (Digital
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* Signature Standard) a.k.a <i>DSA</i>.
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*/
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public abstract class KeyPairGeneratorAdapter
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extends KeyPairGenerator
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{
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/** Our underlying keypair instance. */
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protected IKeyPairGenerator adaptee;
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/**
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* Trivial protected constructor.
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*
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* @param kpgName the canonical name of the keypair generator algorithm.
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*/
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protected KeyPairGeneratorAdapter(String kpgName)
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{
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super(kpgName);
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this.adaptee = KeyPairGeneratorFactory.getInstance(kpgName);
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}
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public abstract void initialize(int keysize, SecureRandom random);
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public abstract void initialize(AlgorithmParameterSpec params,
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SecureRandom random)
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throws InvalidAlgorithmParameterException;
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public KeyPair generateKeyPair()
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{
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return adaptee.generate();
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}
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}
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