001    /*
002     * Cumulus4j - Securing your data in the cloud - http://cumulus4j.org
003     * Copyright (C) 2011 NightLabs Consulting GmbH
004     *
005     * This program is free software: you can redistribute it and/or modify
006     * it under the terms of the GNU Affero General Public License as
007     * published by the Free Software Foundation, either version 3 of the
008     * License, or (at your option) any later version.
009     *
010     * This program is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013     * GNU Affero General Public License for more details.
014     *
015     * You should have received a copy of the GNU Affero General Public License
016     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017     */
018    package org.cumulus4j.crypto;
019    
020    /**
021     * Type of a cipher engine (a raw <a target="_blank" href="http://en.wikipedia.org/wiki/Encryption_algorithm">encryption algorithm</a>).
022     * @author Marco หงุ่ยตระกูล-Schulze - marco at nightlabs dot de
023     */
024    public enum CipherEngineType
025    {
026            /**
027             * Indicates a <a target="_blank" href="http://en.wikipedia.org/wiki/Symmetric_key_algorithm">symmetric</a> <a target="_blank" href="http://en.wikipedia.org/wiki/Block_cipher">block cipher</a>.
028             */
029            symmetricBlock,
030    
031            /**
032             * Indicates an asymmetric block cipher (aka <a target="_blank" href="http://en.wikipedia.org/wiki/Public_key_cryptography">public key cryptography</a>).
033             */
034            asymmetricBlock,
035    
036            /**
037             * Indicates a <a target="_blank" href="http://en.wikipedia.org/wiki/Symmetric_key_algorithm">symmetric</a> <a target="_blank" href="http://en.wikipedia.org/wiki/Stream_cipher">stream cipher</a>.
038             */
039            symmetricStream
040    }