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Diffstat (limited to 'libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java')
-rw-r--r-- | libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java b/libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java new file mode 100644 index 000000000..348a19264 --- /dev/null +++ b/libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java @@ -0,0 +1,115 @@ +/* DHPrivateKeySpec.java -- Wrapper for Diffie-Hellman private keys. + Copyright (C) 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 javax.crypto.spec; + +import java.math.BigInteger; +import java.security.spec.KeySpec; + +/** + * A wrapper for Diffie-Hellman private key data. + * + * @author Casey Marshall (csm@gnu.org) + * @since 1.4 + * @see DHPublicKeySpec + */ +public class DHPrivateKeySpec implements KeySpec +{ + + // Variables. + // ------------------------------------------------------------------------ + + /** The base generator. */ + private BigInteger g; + + /** The prime modulus. */ + private BigInteger p; + + /** The private exponent. */ + private BigInteger x; + + // Constructors. + // ------------------------------------------------------------------------ + + /** + * Create a new Diffie-Hellman private key spec. + * + * @param x The private exponent. + * @param p The prime modulus. + * @param g The base generator. + */ + public DHPrivateKeySpec(BigInteger x, BigInteger p, BigInteger g) + { + this.x = x; + this.p = p; + this.g = g; + } + + // Instance methods. + // ------------------------------------------------------------------------ + + /** + * Get the base generator. + * + * @return The base generator. + */ + public BigInteger getG() + { + return g; + } + + /** + * Get the prime modulus. + * + * @return The prime modulus. + */ + public BigInteger getP() + { + return p; + } + + /** + * Get the private exponent. + * + * @return The private exponent. + */ + public BigInteger getX() + { + return x; + } +} |