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/*
 * $Id: io/janusproject/services/network/EventEncrypter.java v2.0.3.1 2016-01-24 00:05:13$
 *
 * Janus platform is an open-source multiagent platform.
 * More details on http://www.janusproject.io
 *
 * Copyright (C) 2014-2015 the original authors or authors.
 *
 * 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 io.janusproject.services.network;

import java.util.UUID;


/** An encrypter of events to be published over the network.
 *
 * @author Sebastian Rodriguez
 * @version 2.0.3.1 2016-01-24 00:05:13
 * @mavengroupid io.janusproject
 * @mavenartifactid io.janusproject.kernel
 */
public interface EventEncrypter {

	/** Encrypt the given envelope.
	 *
	 * @param envelope - the envelope to encrypt.
	 * @throws Exception - if error when encrypting.
	 */
	void encrypt(EventEnvelope envelope) throws Exception;

	/** Decrypt the given envelope.
	 *
	 * @param envelope - the envelope to decrypt.
	 * @throws Exception - if error when decrypting.
	 */
	void decrypt(EventEnvelope envelope) throws Exception;

	/** Encrypt the given UUID.
	 *
	 * @param uuid - the UUID to encrypt.
	 * @return the encrypted UUID.
	 */
	byte[] encryptUUID(UUID uuid);

}