1 /* Certificate.java -- SSL certificate message.
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This file is a part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or (at
9 your option) any later version.
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
39 package gnu.javax.net.ssl.provider;
41 import java.io.ByteArrayInputStream;
42 import java.io.PrintWriter;
43 import java.io.StringWriter;
45 import java.nio.ByteBuffer;
46 import java.nio.ByteOrder;
48 import java.security.NoSuchAlgorithmException;
49 import java.security.cert.CertificateException;
50 import java.security.cert.CertificateFactory;
51 import java.security.cert.X509Certificate;
53 import java.util.Iterator;
54 import java.util.LinkedList;
55 import java.util.List;
58 * The certificate object. This is used by both the client and the server
59 * to send their certificates (if any) to one another.
61 * <pre>opaque ASN.1Cert<1..2^24-1>;
64 ASN.1Cert certificate_list<0..2^24-1>;
67 * @author Casey Marshall (csm@gnu.org)
69 public class Certificate implements Handshake.Body
73 // -------------------------------------------------------------------------
75 protected ByteBuffer buffer;
76 protected final CertificateType type;
79 // -------------------------------------------------------------------------
81 public Certificate (final ByteBuffer buffer, final CertificateType type)
85 this.buffer = buffer.duplicate().order(ByteOrder.BIG_ENDIAN);
90 // -------------------------------------------------------------------------
94 return (((buffer.get (0) & 0xFF) << 24)
95 | buffer.getShort (1)) + 3;
98 public List<java.security.cert.Certificate> certificates ()
99 throws CertificateException, NoSuchAlgorithmException
101 LinkedList<java.security.cert.Certificate> list
102 = new LinkedList<java.security.cert.Certificate>();
103 CertificateFactory factory = CertificateFactory.getInstance(type.toString());
104 int length = (((buffer.get(0) & 0xFF) << 16)
105 | (buffer.getShort(1) & 0xFFFF));
106 ByteBuffer b = (ByteBuffer) buffer.duplicate().position(3);
107 for (int i = 3; i < length; )
109 int length2 = (((b.get () & 0xFF) << 16)
110 | (b.getShort () & 0xFFFF));
111 byte[] buf = new byte[length2];
114 list.add(factory.generateCertificate (new ByteArrayInputStream (buf)));
121 public String toString ()
123 return toString (null);
126 public String toString (final String prefix)
128 StringWriter str = new StringWriter();
129 PrintWriter out = new PrintWriter(str);
132 out.println ("struct {");
135 List certs = certificates ();
138 out.print (" certificateList: [");
139 out.print (certs.size ());
141 for (Iterator it = certs.iterator (); it.hasNext (); )
143 java.security.cert.Certificate cert =
144 (java.security.cert.Certificate) it.next ();
148 if (cert instanceof X509Certificate)
149 out.print (((X509Certificate) cert).getSubjectDN ());
158 catch (CertificateException ce)
166 catch (NoSuchAlgorithmException nsae)
174 out.print ("} Certificate;");
175 return str.toString();