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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/security/KeyPairGeneratorSpi.java
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+/* 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
+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;
+
+/**
+ 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();
+ }
+}