/*
* 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 java.security.spec;
import java.math.BigInteger;
import java.security.interfaces.DSAParams;
/**
* The parameter specification used with the Digital Signature Algorithm (DSA).
*/
public class DSAParameterSpec implements AlgorithmParameterSpec, DSAParams {
// Prime
private final BigInteger p;
// Sub-prime
private final BigInteger q;
// Base
private final BigInteger g;
/**
* Creates a new {@code DSAParameterSpec} with the specified prime {@code p},
* sub-prime {@code q} and the base {@code g}.
*
* @param p
* the prime {@code p}.
* @param q
* the sub-prime {@code q}.
* @param g
* the base {@code g};
*/
public DSAParameterSpec(BigInteger p, BigInteger q, BigInteger g) {
this.p = p;
this.q = q;
this.g = g;
}
/**
* Returns the base {@code g}.
*
* @return the base {@code g}.
*/
public BigInteger getG() {
return g;
}
/**
* Returns the prime {@code p}.
*
* @return the prime {@code p}.
*/
public BigInteger getP() {
return p;
}
/**
* Returns the sub-prime {@code q}.
*
* @return the sub-prime {@code q}.
*/
public BigInteger getQ() {
return q;
}
}