| /* |
| * 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; |
| |
| /** |
| * The parameter specification for generating an RSA key pair. |
| */ |
| public class RSAKeyGenParameterSpec implements AlgorithmParameterSpec { |
| |
| /** |
| * The value of the public exponent {@code F0} = 3. |
| */ |
| public static final BigInteger F0 = BigInteger.valueOf(3L); |
| |
| /** |
| * The value of the public exponent {@code F4} = 65537. |
| */ |
| public static final BigInteger F4 = BigInteger.valueOf(65537L); |
| |
| // Key size |
| private final int keysize; |
| // Public Exponent |
| private final BigInteger publicExponent; |
| |
| /** |
| * Creates a new {@code RSAKeyGenParameterSpec} with the specified key size |
| * and public exponent. |
| * |
| * @param keysize |
| * the size of the modulus (number of bits). |
| * @param publicExponent |
| * the value of the public exponent. |
| */ |
| public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent) { |
| this.keysize = keysize; |
| this.publicExponent = publicExponent; |
| } |
| |
| /** |
| * Returns the size of the modulus (number of bits). |
| * |
| * @return the size of the modulus (number of bits). |
| */ |
| public int getKeysize() { |
| return keysize; |
| } |
| |
| /** |
| * Returns the value of the public exponent. |
| * |
| * @return the value of the public exponent. |
| */ |
| public BigInteger getPublicExponent() { |
| return publicExponent; |
| } |
| } |