Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2012, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * 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, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.picketlink.pki.internal; import org.bouncycastle.asn1.x500.X500Name; import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo; import org.bouncycastle.operator.ContentSigner; import org.bouncycastle.pkcs.PKCS10CertificationRequest; import org.bouncycastle.pkcs.PKCS10CertificationRequestBuilder; import org.picketlink.idm.model.basic.User; import org.picketlink.pki.cert.CertificateAuthority; import org.picketlink.pki.cert.CertificateRequest; import org.picketlink.pki.internal.util.X509Util; import java.security.KeyPair; /** * @author Pedro Igor */ public class DefaultCertificateRequest implements CertificateRequest { private static final long serialVersionUID = 1L; private final byte[] message; private final User user; public DefaultCertificateRequest(User user, CertificateAuthority certificateAuthority) { try { KeyPair userKeyPair = certificateAuthority.getKeyAuthority().getKeyPair(user); SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfo .getInstance(userKeyPair.getPublic().getEncoded()); ContentSigner sigGen = X509Util.createSigner(userKeyPair.getPrivate(), certificateAuthority.getConfiguration()); X500Name userDN = new X500Name( "CN=" + user.getLoginName() + "," + certificateAuthority.getConfiguration().getBaseDN()); PKCS10CertificationRequest build = new PKCS10CertificationRequestBuilder(userDN, subjectPublicKeyInfo) .build(sigGen); this.message = build.getEncoded(); } catch (Exception e) { throw new RuntimeException("Could not create CSR", e); } this.user = user; } @Override public String getSubjectName() { return this.user.getLoginName(); } @Override public byte[] getMessage() { return this.message; } }