| /* |
| * 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.security.spec.AlgorithmParameterSpec; |
| |
| /** |
| * The algorithm parameter specification for a <i>password based encryption</i> |
| * algorithm. |
| * <p> |
| * Password based encryption is described in <a |
| * href="http://www.ietf.org/rfc/rfc2898.txt">PKCS #5</a>. |
| * |
| */ |
| public class PBEParameterSpec implements AlgorithmParameterSpec { |
| |
| private final byte[] salt; |
| private final int iterationCount; |
| |
| /** |
| * Creates a new <code>PBEParameterSpec</code> with the specified salt and |
| * iteration count. |
| * |
| * @param salt |
| * the salt. |
| * @param iterationCount |
| * the iteration count. |
| * @throws NullPointerException |
| * if salt is null. |
| */ |
| public PBEParameterSpec(byte[] salt, int iterationCount) { |
| if (salt == null) { |
| throw new NullPointerException("salt == null"); |
| } |
| this.salt = new byte[salt.length]; |
| System.arraycopy(salt, 0, this.salt, 0, salt.length); |
| this.iterationCount = iterationCount; |
| } |
| |
| /** |
| * Returns a copy to the salt. |
| * |
| * @return a copy to the salt. |
| */ |
| public byte[] getSalt() { |
| byte[] result = new byte[salt.length]; |
| System.arraycopy(salt, 0, result, 0, salt.length); |
| return result; |
| } |
| |
| /** |
| * Returns the iteration count. |
| * |
| * @return the iteration count. |
| */ |
| public int getIterationCount() { |
| return iterationCount; |
| } |
| } |