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-/* DHParameterSpec.java -- Parameters for Diffie-Hellman 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.AlgorithmParameterSpec;
-
-/**
- * The base set of parameters necessary to perform Diffie-Hellman key
- * exchange. Each party in the key exchange shares these parameters.
- *
- * <p>Each set of parameters consists of a <i>base generator</i>
- * <code>g</code>, a <i>prime modulus</i> <code>p</code>, and an
- * optional length, in bits, of the private exponent.
- *
- * <p>See <a href="http://www.rsasecurity.com/rsalabs/pkcs/pkcs-3/">PKCS
- * #3 - Diffie-Hellman Key Agreement Standard</a> for more information.
- *
- * @author Casey Marshall (csm@gnu.org)
- * @since 1.4
- * @see javax.crypto.KeyAgreement
- */
-public class DHParameterSpec implements AlgorithmParameterSpec
-{
-
- // Variables.
- // ------------------------------------------------------------------------
-
- /** The base generator g. */
- private BigInteger g;
-
- /** The prime modulus p. */
- private BigInteger p;
-
- /** The length, in bits, of the private exponent. */
- private int l;
-
- // Constructors.
- // ------------------------------------------------------------------------
-
- /**
- * Create a new set of Diffie-Hellman parameters.
- *
- * @param p The prime modulus.
- * @param g The base generator.
- */
- public DHParameterSpec(BigInteger p, BigInteger g)
- {
- this(p, g, 0);
- }
-
- /**
- * Create a new set of Diffie-Hellman parameters.
- *
- * @param p The prime modulus.
- * @param g The base generator.
- * @param l The size of the private exponent, in bits.
- */
- public DHParameterSpec(BigInteger p, BigInteger g, int l)
- {
- this.p = p;
- this.g = g;
- this.l = l;
- }
-
- // Instance methods.
- // ------------------------------------------------------------------------
-
- /**
- * Get the base generator, <i>g</i>.
- *
- * @return The base generator <i>g</i>.
- */
- public BigInteger getG()
- {
- return g;
- }
-
- /**
- * Get the length of the private exponent, in bits.
- *
- * @return The length of the private exponent, in bits, or 0 if this
- * has not been explicitly set.
- */
- public int getL()
- {
- return l;
- }
-
- /**
- * Get the prime modulus, <i>p</i>.
- *
- * @return The prime modulus, <i>p</i>.
- */
- public BigInteger getP()
- {
- return p;
- }
-}