1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17
18package javax.crypto.spec;
19
20import java.security.spec.AlgorithmParameterSpec;
21
22/**
23 * The algorithm parameter specification for generating Diffie-Hellman
24 * parameters used in Diffie-Hellman key agreement.
25 */
26public class DHGenParameterSpec implements AlgorithmParameterSpec {
27
28    private final int primeSize;
29    private final int exponentSize;
30
31    /**
32     * Creates a new <code>DHGenParameterSpec</code> instance with the specified
33     * parameters.
34     *
35     * @param primeSize
36     *            the size of the <i>prime modulus</i> in bits.
37     * @param exponentSize
38     *            the size of the <i>random exponent</i> in bits.
39     */
40    public DHGenParameterSpec(int primeSize, int exponentSize) {
41        this.primeSize = primeSize;
42        this.exponentSize = exponentSize;
43    }
44
45    /**
46     * Returns the size of the <i>prime modulus</i> in bits.
47     *
48     * @return the size of the prime modulus in bits.
49     */
50    public int getPrimeSize() {
51        return primeSize;
52    }
53
54    /**
55     * Returns the size of the <i>random exponent</i> in bits.
56     *
57     * @return the size of the random exponent in bits.
58     */
59    public int getExponentSize() {
60        return exponentSize;
61    }
62}
63
64