| /* AuthorityKeyIdentifier.java -- Authority key identifier extension. |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.security.x509.ext; |
| |
| import gnu.java.security.OID; |
| import gnu.java.security.der.DER; |
| import gnu.java.security.der.DERReader; |
| import gnu.java.security.der.DERValue; |
| import gnu.java.security.x509.Util; |
| |
| import java.io.IOException; |
| import java.math.BigInteger; |
| |
| public class AuthorityKeyIdentifier extends Extension.Value |
| { |
| |
| // Constants and fields. |
| // ------------------------------------------------------------------------- |
| |
| public static final OID ID = new OID("2.5.29.35"); |
| |
| private final byte[] keyIdentifier; |
| private final GeneralNames authorityCertIssuer; |
| private final BigInteger authorityCertSerialNumber; |
| |
| // Contstructor. |
| // ------------------------------------------------------------------------- |
| |
| public AuthorityKeyIdentifier(final byte[] encoded) throws IOException |
| { |
| super(encoded); |
| DERReader der = new DERReader(encoded); |
| |
| // AuthorityKeyIdentifier ::= SEQUENCE { |
| DERValue val = der.read(); |
| if (!val.isConstructed()) |
| throw new IOException("malformed AuthorityKeyIdentifier"); |
| if (val.getLength() > 0) |
| val = der.read(); |
| |
| // keyIdentifier [0] KeyIdentifier OPTIONAL, |
| // KeyIdentifier ::= OCTET STRING |
| if (val.getTagClass() == DER.APPLICATION && val.getTag() == 0) |
| { |
| keyIdentifier = (byte[]) val.getValue(); |
| val = der.read(); |
| } |
| else |
| keyIdentifier = null; |
| |
| // authorityCertIssuer [1] GeneralNames OPTIONAL, |
| if (val.getTagClass() == DER.APPLICATION && val.getTag() == 1) |
| { |
| byte[] b = val.getEncoded(); |
| b[0] = (byte) (DER.CONSTRUCTED|DER.SEQUENCE); |
| authorityCertIssuer = new GeneralNames(b); |
| der.skip(val.getLength()); |
| val = der.read(); |
| } |
| else |
| authorityCertIssuer = null; |
| |
| // authorityCertSerialNumber [2] CertificateSerialNumber OPTIONAL } |
| if (val.getTagClass() == DER.APPLICATION && val.getTag() == 2) |
| { |
| authorityCertSerialNumber = new BigInteger((byte[]) val.getValue()); |
| } |
| else |
| authorityCertSerialNumber = null; |
| } |
| |
| // Instance methods. |
| // ------------------------------------------------------------------------- |
| |
| public byte[] getKeyIdentifier() |
| { |
| return keyIdentifier != null ? (byte[]) keyIdentifier.clone() : null; |
| } |
| |
| public GeneralNames getAuthorityCertIssuer() |
| { |
| return authorityCertIssuer; |
| } |
| |
| public BigInteger getAuthorityCertSerialNumber() |
| { |
| return authorityCertSerialNumber; |
| } |
| |
| public String toString() |
| { |
| return AuthorityKeyIdentifier.class.getName() + " [ keyId=" + |
| (keyIdentifier != null ? Util.toHexString (keyIdentifier, ':') : "nil") + |
| " authorityCertIssuer=" + authorityCertIssuer + |
| " authorityCertSerialNumbe=" + authorityCertSerialNumber + " ]"; |
| } |
| } |