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     * Operation mode of a {@link Cipher}. Used to
022     * {@link Cipher#init(CipherOperationMode, org.bouncycastle.crypto.CipherParameters) initialise} a cipher.
023     * @author Marco หงุ่ยตระกูล-Schulze - marco at nightlabs dot de
024     */
025    public enum CipherOperationMode
026    {
027            /**
028             * Operation mode is encryption (from <a target="_blank" href="http://en.wikipedia.org/wiki/Plaintext">plaintext</a> to <a target="_blank" href="http://en.wikipedia.org/wiki/Ciphertext">ciphertext</a>).
029             */
030            ENCRYPT,
031    
032            /**
033             * Operation mode is decryption (from <a target="_blank" href="http://en.wikipedia.org/wiki/Ciphertext">ciphertext</a> to <a target="_blank" href="http://en.wikipedia.org/wiki/Plaintext">plaintext</a>).
034             */
035            DECRYPT
036    }