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.internal.asymmetric.keypairgenerator;
019    
020    import org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator;
021    import org.bouncycastle.crypto.generators.DHBasicKeyPairGenerator;
022    
023    /**
024     * @author Marco หงุ่ยตระกูล-Schulze - marco at nightlabs dot de
025     */
026    public class DHBasicKeyPairGeneratorFactory
027    extends AbstractAsymmetricCipherKeyPairGeneratorFactory
028    {
029            public DHBasicKeyPairGeneratorFactory() {
030                    setAlgorithmName("DH");
031            }
032    
033            @Override
034            public AsymmetricCipherKeyPairGenerator createAsymmetricCipherKeyPairGenerator(boolean initWithDefaults)
035            {
036                    DHBasicKeyPairGenerator generator = new DHBasicKeyPairGenerator();
037    
038                    // TODO implement meaningful and secure defaults!
039                    if (initWithDefaults)
040                            throw new UnsupportedOperationException("NYI: initWithDefaults");
041    //              if (initWithDefaults)
042    //                      generator.init(new DHKeyGenerationParameters(new SecureRandom(), new DHParameters(p, g, q)));
043    
044                    return generator;
045            }
046    }