/*
* 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 org.apache.sshd.common.cipher;
import org.apache.sshd.common.Cipher;
import org.apache.sshd.common.NamedFactory;
/**
* Represents a no-op cipher.
* This cipher can not really be used during authentication and should only
* be used after, so that authentication remains secured, but not the remaining
* of the exchanges.
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class CipherNone implements Cipher {
/**
* Named factory for the no-op Cipher
*/
public static class Factory implements NamedFactory<Cipher> {
public String getName() {
return "none";
}
public Cipher create() {
return new CipherNone();
}
}
public int getIVSize() {
return 8;
}
public int getBlockSize() {
return 16;
}
public void init(Mode mode, byte[] bytes, byte[] bytes1) throws Exception {
}
public void update(byte[] input, int inputOffset, int inputLen) throws Exception {
}
}