| /* KeyPairGeneratorSpi.java --- Key Pair Generator SPI Class |
| Copyright (C) 1999, 2002 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 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 |
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| exception statement from your version. */ |
| |
| package java.security; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| /** |
| KeyPairGeneratorSpi is the interface used to generate key pairs |
| for security algorithms. |
| |
| @author Mark Benvenuto |
| */ |
| public abstract class KeyPairGeneratorSpi |
| { |
| /** |
| Constructs a new KeyPairGeneratorSpi |
| */ |
| public KeyPairGeneratorSpi() |
| { |
| } |
| |
| /** |
| Initialize the KeyPairGeneratorSpi with the specified |
| key size and source of randomness |
| |
| @param keysize size of the key to generate |
| @param random A SecureRandom source of randomness |
| */ |
| public abstract void initialize(int keysize, SecureRandom random); |
| |
| /** |
| Initialize the KeyPairGeneratorSpi with the specified |
| AlgorithmParameterSpec and source of randomness |
| |
| This is a concrete method. It may be overridden by the provider |
| and if the AlgorithmParameterSpec class is invalid |
| throw InvalidAlgorithmParameterException. By default this |
| method just throws UnsupportedOperationException. |
| |
| @param params A AlgorithmParameterSpec to intialize with |
| @param random A SecureRandom source of randomness |
| |
| @throws InvalidAlgorithmParameterException |
| */ |
| public void initialize(AlgorithmParameterSpec params, SecureRandom random) |
| throws InvalidAlgorithmParameterException |
| { |
| throw new java.lang.UnsupportedOperationException(); |
| } |
| |
| /** |
| Generates a KeyPair according the rules for the algorithm. |
| Unless intialized, algorithm defaults will be used. It |
| creates a unique key pair each time. |
| |
| @return a key pair |
| */ |
| public abstract KeyPair generateKeyPair(); |
| |
| /** |
| * We override clone here to make it accessible for use by |
| * DummyKeyPairGenerator. |
| */ |
| protected Object clone() throws CloneNotSupportedException |
| { |
| return super.clone(); |
| } |
| } |