| /* |
| * 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; |
| } |
| } |