| /* |
| * 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.AlgorithmParameterSpec; |
| |
| /** |
| * The algorithm parameter specification for the Diffie-Hellman algorithm. |
| */ |
| public class DHParameterSpec implements AlgorithmParameterSpec { |
| |
| private final BigInteger p; |
| private final BigInteger g; |
| private final int l; |
| |
| /** |
| * Creates a new <code>DHParameterSpec</code> instance with the specified |
| * <i>prime modulus</i> and <i>base generator</i>. |
| * |
| * @param p |
| * the prime modulus. |
| * @param g |
| * the base generator. |
| */ |
| public DHParameterSpec(BigInteger p, BigInteger g) { |
| this.p = p; |
| this.g = g; |
| this.l = 0; |
| } |
| |
| /** |
| * Creates a new <code>DHParameterSpec</code> instance with the specified |
| * <i>prime modulus</i>, <i>base generator</i> and size (in bits) of the |
| * <i>random exponent</i>. |
| * |
| * @param p |
| * the prime modulus. |
| * @param g |
| * the base generator. |
| * @param l |
| * the size of the random exponent (in bits). |
| */ |
| public DHParameterSpec(BigInteger p, BigInteger g, int l) { |
| this.p = p; |
| this.g = g; |
| this.l = l; |
| } |
| |
| /** |
| * Returns the <i>prime modulus</i> of this parameter specification. |
| * |
| * @return the prime modulus. |
| */ |
| public BigInteger getP() { |
| return p; |
| } |
| |
| /** |
| * Returns the <i>base generator</i> of this parameter specification. |
| * |
| * @return the base generator. |
| */ |
| public BigInteger getG() { |
| return g; |
| } |
| |
| /** |
| * Returns the size (in bits) of the <i>random exponent</i>. |
| * |
| * @return the size (in bits) of the random exponent. |
| */ |
| public int getL() { |
| return l; |
| } |
| } |
| |