mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-28 21:49:33 +00:00
116 lines
3.1 KiB
Java
116 lines
3.1 KiB
Java
/* DHPublicKeySpec.java -- Wrapper for Diffie-Hellman public 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 public key data.
|
|
*
|
|
* @author Casey Marshall (csm@gnu.org)
|
|
* @since 1.4
|
|
* @see DHPrivateKeySpec
|
|
*/
|
|
public class DHPublicKeySpec implements KeySpec
|
|
{
|
|
|
|
// Variables.
|
|
// ------------------------------------------------------------------------
|
|
|
|
/** The base generator. */
|
|
private BigInteger g;
|
|
|
|
/** The prime modulus. */
|
|
private BigInteger p;
|
|
|
|
/** The public value. */
|
|
private BigInteger y;
|
|
|
|
// Constructors.
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Create a new Diffie-Hellman public key spec.
|
|
*
|
|
* @param y The public value.
|
|
* @param p The prime modulus.
|
|
* @param g The base generator.
|
|
*/
|
|
public DHPublicKeySpec(BigInteger y, BigInteger p, BigInteger g)
|
|
{
|
|
this.y = y;
|
|
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 public value.
|
|
*
|
|
* @return The public value.
|
|
*/
|
|
public BigInteger getY()
|
|
{
|
|
return y;
|
|
}
|
|
}
|