001/*
002 * Syncany, www.syncany.org
003 * Copyright (C) 2011-2016 Philipp C. Heckel <philipp.heckel@gmail.com> 
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU General Public License as published by
007 * the Free Software Foundation, either version 3 of the License, or
008 * (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 General Public License for more details.
014 *
015 * You should have received a copy of the GNU General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018package org.syncany.crypto.specs;
019
020import java.io.InputStream;
021import java.io.OutputStream;
022
023import org.syncany.crypto.CipherException;
024import org.syncany.crypto.CipherSpec;
025
026/**
027 * @author pheckel
028 *
029 */
030public class HmacSha256CipherSpec extends CipherSpec {
031        public HmacSha256CipherSpec() {
032                super(-1, "HmacSHA256", 256, -1, false);
033        }
034                
035        @Override
036        public OutputStream newCipherOutputStream(OutputStream underlyingOutputStream, byte[] secretKey, byte[] iv) throws CipherException {
037                throw new RuntimeException("Cannot create cipher.");
038        }
039
040        @Override
041        public InputStream newCipherInputStream(InputStream underlyingInputStream, byte[] secretKey, byte[] iv) throws CipherException {
042                throw new RuntimeException("Cannot create cipher.");
043        }
044}