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/*
 * Copyright (C)2009 - SSHJ Contributors
 *
 * Licensed 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 net.schmizz.sshj.transport.cipher;

/** Represents a no-op cipher. */
public class NoneCipher
        implements Cipher {

    /** Named factory for the no-op Cipher */
    public static class Factory
            implements net.schmizz.sshj.common.Factory.Named {

        @Override
        public Cipher create() {
            return new NoneCipher();
        }

        @Override
        public String getName() {
            return "none";
        }
    }

    @Override
    public int getBlockSize() {
        return 8;
    }

    @Override
    public int getIVSize() {
        return 8;
    }

    @Override
    public void init(Mode mode, byte[] bytes, byte[] bytes1) {
        // Nothing to do
    }

    @Override
    public void update(byte[] input, int inputOffset, int inputLen) {
        // Nothing to do
    }

}




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