| /* DSAKeyPairGenerator.java -- Initialize a DSA key generator |
| Copyright (C) 1998, 2004 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 |
| 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.interfaces; |
| |
| import java.security.InvalidParameterException; |
| import java.security.SecureRandom; |
| |
| /** |
| * This interface contains methods for intializing a Digital Signature |
| * Algorithm key generation engine. The initialize methods may be called |
| * any number of times. If no explicity initialization call is made, then |
| * the engine defaults to generating 1024-bit keys using pre-calculated |
| * base, prime, and subprime values. |
| * |
| * @version 0.0 |
| * |
| * @author Aaron M. Renn (arenn@urbanophile.com) |
| */ |
| public interface DSAKeyPairGenerator |
| { |
| /** |
| * Initializes the key generator with the specified DSA parameters and |
| * random bit source |
| * |
| * @param params The DSA parameters to use |
| * @param random The random bit source to use |
| * |
| * @exception InvalidParameterException If the parameters passed are not valid |
| */ |
| void initialize (DSAParams params, SecureRandom random) |
| throws InvalidParameterException; |
| |
| /** |
| * Initializes the key generator to a give modulus. If the <code>genParams</code> |
| * value is <code>true</code> then new base, prime, and subprime values |
| * will be generated for the given modulus. If not, the pre-calculated |
| * values will be used. If no pre-calculated values exist for the specified |
| * modulus, an exception will be thrown. It is guaranteed that there will |
| * always be pre-calculated values for all modulus values between 512 and |
| * 1024 bits inclusives. |
| * |
| * @param modlen The modulus length |
| * @param genParams <code>true</code> to generate new DSA parameters, <code>false</code> otherwise |
| * @param random The random bit source to use |
| * |
| * @exception InvalidParameterException If a parameter is invalid |
| */ |
| void initialize (int modlen, boolean genParams, SecureRandom random) |
| throws InvalidParameterException; |
| } |