/*
 * 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.ignite.spi.discovery.tcp.ipfinder.s3.encrypt;

/**
 * A implementation of this interface should provide feature to encrypt/decrypt the data.
 */
public interface EncryptionService {
    /**
     * For initialization operations. Must be called before the {@link EncryptionService#encrypt(byte[])} and {@link
     * EncryptionService#decrypt(byte[])} are used.
     */
    public void init();

    /**
     * Encrypt the input data.
     *
     * @param data Data. bytes to be encrypted.
     * @return The encrypted data bytes.
     * @throws IllegalArgumentException If the parameter data is null.
     */
    public byte[] encrypt(byte[] data);

    /**
     * Decrypt the input data.
     *
     * @param data Encrypted data.
     * @return Decrypted result.
     * @throws IllegalArgumentException If the parameter data is null.
     */
    public byte[] decrypt(byte[] data);
}