/*
* 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.
*/
/**
* @author Boris V. Kuznetsov
* @version $Revision$
*/
package javax.crypto;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.SecureRandom;
import org.apache.harmony.crypto.internal.NullCipherSpi;
/**
* This class provides an identity cipher that does not transform the input data
* in any way. The <i>encrypted</i> data is identical to the <i>plain text</i>.
*/
public class NullCipher extends Cipher {
/**
* Creates a new {@code NullCipher} instance.
*/
public NullCipher() {
super(new NullCipherSpi(), null, null);
try {
this.init(Cipher.ENCRYPT_MODE, (Key)null, (SecureRandom)null);
} catch (InvalidKeyException e) {
}
}
}