| /* AlgorithmParameterGeneratorSpi.java --- Algorithm Parameter Generator SPI |
| 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 java.security; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| /** |
| AlgorithmParameterGeneratorSpi is the Service Provider |
| Interface for the AlgorithmParameterGenerator class. |
| This class is used to generate the algorithm parameters |
| for a specific algorithm. |
| |
| @since JDK 1.2 |
| @author Mark Benvenuto |
| */ |
| public abstract class AlgorithmParameterGeneratorSpi |
| { |
| |
| /** |
| Constructs a new AlgorithmParameterGeneratorSpi |
| */ |
| public AlgorithmParameterGeneratorSpi() |
| { |
| } |
| |
| /** |
| Initializes the parameter generator with the specified size |
| and SecureRandom |
| |
| @param size the size( in number of bits) |
| @param random the SecureRandom class to use for randomness |
| */ |
| protected abstract void engineInit(int size, SecureRandom random); |
| |
| /** |
| Initializes the parameter generator with the specified |
| AlgorithmParameterSpec and SecureRandom classes. |
| |
| If genParamSpec is an invalid AlgorithmParameterSpec for this |
| AlgorithmParameterGeneratorSpi then it throws |
| InvalidAlgorithmParameterException |
| |
| @param genParamSpec the AlgorithmParameterSpec class to use |
| @param random the SecureRandom class to use for randomness |
| |
| @throws InvalidAlgorithmParameterException genParamSpec is invalid |
| */ |
| protected abstract void engineInit(AlgorithmParameterSpec genParamSpec, |
| SecureRandom random) throws |
| InvalidAlgorithmParameterException; |
| |
| |
| /** |
| Generate a new set of AlgorithmParameters. |
| |
| @returns a new set of algorithm parameters |
| */ |
| protected abstract AlgorithmParameters engineGenerateParameters(); |
| |
| } |