/*
 * 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.hadoop.hbase.io.crypto;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configurable;

/**
 * An CipherProvider contributes support for various cryptographic
 * Ciphers.
 */
@InterfaceAudience.Public
@InterfaceStability.Evolving
public interface CipherProvider extends Configurable {

  /**
   * Return the provider's name
   */
  public String getName();

  /**
   * Return the set of Ciphers supported by this provider
   */
  public String[] getSupportedCiphers();

  /**
   * Get an Cipher
   * @param name Cipher name, e.g. "AES"
   * @return the appropriate Cipher
   */
  public Cipher getCipher(String name);

}
