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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/security/interfaces/DSAKeyPairGenerator.java | |
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Diffstat (limited to 'libjava/classpath/java/security/interfaces/DSAKeyPairGenerator.java')
-rw-r--r-- | libjava/classpath/java/security/interfaces/DSAKeyPairGenerator.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/libjava/classpath/java/security/interfaces/DSAKeyPairGenerator.java b/libjava/classpath/java/security/interfaces/DSAKeyPairGenerator.java new file mode 100644 index 000000000..e657c54b4 --- /dev/null +++ b/libjava/classpath/java/security/interfaces/DSAKeyPairGenerator.java @@ -0,0 +1,85 @@ +/* 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; +} |