Java tutorial
/* * Commons eID Project. * Copyright (C) 2008-2013 FedICT. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version * 3.0 as published by the Free Software Foundation. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, see * http://www.gnu.org/licenses/. */ package be.fedict.commons.eid.jca; import java.security.KeyStore; import java.security.NoSuchAlgorithmException; import java.security.Provider; import java.security.SecureRandom; import java.security.Signature; import java.util.HashMap; import java.util.Map; import javax.net.ssl.KeyManagerFactory; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * The JCA security provider. Provides an eID based {@link KeyStore}, * {@link Signature}, {@link KeyManagerFactory}, and {@link SecureRandom}. * <p/> * Usage: * * <pre> * import java.security.Security; * import be.fedict.commons.eid.jca.BeIDProvider; * * ... * Security.addProvider(new BeIDProvider()); * </pre> * * @see BeIDKeyStore * @see BeIDSignature * @see BeIDKeyManagerFactory * @see BeIDSecureRandom * @author Frank Cornelis * */ public class BeIDProvider extends Provider { private static final long serialVersionUID = 1L; public static final String NAME = "BeIDProvider"; private static final Log LOG = LogFactory.getLog(BeIDProvider.class); public BeIDProvider() { super(NAME, 1.0, "BeID Provider"); putService(new BeIDService(this, "KeyStore", "BeID", BeIDKeyStore.class.getName())); final Map<String, String> signatureServiceAttributes = new HashMap<String, String>(); signatureServiceAttributes.put("SupportedKeyClasses", BeIDPrivateKey.class.getName()); putService(new BeIDService(this, "Signature", "SHA1withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "SHA224withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "SHA256withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "SHA384withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "SHA512withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "NONEwithRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "RIPEMD128withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "RIPEMD160withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "RIPEMD256withRSA", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "SHA1withRSAandMGF1", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "Signature", "SHA256withRSAandMGF1", BeIDSignature.class.getName(), signatureServiceAttributes)); putService(new BeIDService(this, "KeyManagerFactory", "BeID", BeIDKeyManagerFactory.class.getName())); putService(new BeIDService(this, "SecureRandom", "BeID", BeIDSecureRandom.class.getName())); } /** * Inner class used by {@link BeIDProvider}. * * @author Frank Cornelis * */ private static final class BeIDService extends Service { public BeIDService(final Provider provider, final String type, final String algorithm, final String className) { super(provider, type, algorithm, className, null, null); } public BeIDService(final Provider provider, final String type, final String algorithm, final String className, final Map<String, String> attributes) { super(provider, type, algorithm, className, null, attributes); } @Override public Object newInstance(final Object constructorParameter) throws NoSuchAlgorithmException { LOG.debug("newInstance: " + super.getType()); if (super.getType().equals("Signature")) { return new BeIDSignature(this.getAlgorithm()); } return super.newInstance(constructorParameter); } @Override public boolean supportsParameter(final Object parameter) { LOG.debug("supportedParameter: " + parameter); return super.supportsParameter(parameter); } } }