/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.crypto.spec;
import java.math.BigInteger;
import java.security.spec.KeySpec;
/**
* The key specification for a Diffie-Hellman public key.
*/
public class DHPublicKeySpec implements KeySpec {
private final BigInteger y;
private final BigInteger p;
private final BigInteger g;
/**
* Creates a new <code>DHPublicKeySpec</code> instance with the specified
* <i>public value</i> <code>y</code>, the <i>prime modulus</i>
* <code>p</code> and the <i>base generator</i> <code>g</code>.
*
* @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;
}
/**
* Returns the <i>public value</i> <code>y</code>.
*
* @return the public value <code>y</code>.
*/
public BigInteger getY() {
return y;
}
/**
* Returns the <i>prime modulus</i> <code>p</code>.
*
* @return the prime modulus <code>p</code>.
*/
public BigInteger getP() {
return p;
}
/**
* Returns the <i>base generator</i> <code>g</code>;
*
* @return the base generator <code>g</code>;
*/
public BigInteger getG() {
return g;
}
}