001 /* X509Certificate.java -- base class of X.509 certificates. 002 Copyright (C) 2004 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package javax.security.cert; 040 041 import java.io.ByteArrayInputStream; 042 import java.io.InputStream; 043 044 import java.math.BigInteger; 045 046 import java.security.Principal; 047 import java.security.cert.CertificateFactory; 048 049 import java.util.Date; 050 051 /** 052 * <p>The base class of all X.509 certificates.</p> 053 * 054 * <p><b>This class is deprecated in favor of the {@link 055 * java.security.cert.X509Certificate} class. It should not be used in new 056 * applications.</b></p> 057 */ 058 public abstract class X509Certificate extends Certificate 059 { 060 061 // Class methods. 062 // ------------------------------------------------------------------------- 063 064 /** 065 * <p>Get an instance of X509Certificate for the given encoded bytes.</p> 066 * 067 * @param encoded The encoded certificate. 068 * @return An instance of X509Certificate. 069 * @throws CertificateException If the encoded certificate cannot be parsed. 070 */ 071 public static X509Certificate getInstance(byte[] encoded) 072 throws CertificateException 073 { 074 return getInstance(new ByteArrayInputStream(encoded)); 075 } 076 077 /** 078 * <p>Get an instance of X509Certificate for the given encoded stream.</p> 079 * 080 * @param encoded The encoded certificate stream.. 081 * @return An instance of X509Certificate. 082 * @throws CertificateException If the encoded certificate cannot be parsed. 083 */ 084 public static X509Certificate getInstance(InputStream encoded) 085 throws CertificateException 086 { 087 try 088 { 089 CertificateFactory cf = CertificateFactory.getInstance("X.509"); 090 return new X509CertBridge((java.security.cert.X509Certificate) 091 cf.generateCertificate(encoded)); 092 } 093 catch (java.security.cert.CertificateException ce) 094 { 095 throw new CertificateException(ce.getMessage()); 096 } 097 } 098 099 // Abstract methods. 100 // ------------------------------------------------------------------------- 101 102 /** 103 * <p>Check if this certificate is valid now.</p> 104 * 105 * @throws CertificateExpiredException If the certificate has expired. 106 * @throws CertificateNotYetValidException If the certificate is not yet valid. 107 * @see #checkValidity(java.util.Date) 108 */ 109 public abstract void checkValidity() 110 throws CertificateExpiredException, CertificateNotYetValidException; 111 112 /** 113 * <p>Check if this certificate is valid for the given date.</p> 114 * 115 * @param date The date to check. 116 * @throws CertificateExpiredException If the certificate has expired. 117 * @throws CertificateNotYetValidException If the certificate is not yet valid. 118 */ 119 public abstract void checkValidity(Date date) 120 throws CertificateExpiredException, CertificateNotYetValidException; 121 122 /** 123 * <p>Returns the X.509 version number.</p> 124 * 125 * @return The version number. 126 */ 127 public abstract int getVersion(); 128 129 /** 130 * <p>Returns this certificate's serial number.</p> 131 * 132 * @return The serial number. 133 */ 134 public abstract BigInteger getSerialNumber(); 135 136 /** 137 * <p>Returns the distinguished name of this certificate's issuer.</p> 138 * 139 * @return The issuer's distinguished name. 140 */ 141 public abstract Principal getIssuerDN(); 142 143 /** 144 * <p>Returns the distinguished name of this certificate's subject.</p> 145 * 146 * @return The subject's distinguished name. 147 */ 148 public abstract Principal getSubjectDN(); 149 150 /** 151 * <p>Returns the <i>not before</i> portion of this certificate's validity 152 * period.</p> 153 * 154 * @return The not before date. 155 */ 156 public abstract Date getNotBefore(); 157 158 /** 159 * <p>Returns the <i>not after</i> portion of this certificate's validity 160 * period.</p> 161 * 162 * @return The not after date. 163 */ 164 public abstract Date getNotAfter(); 165 166 /** 167 * <p>Returns the name of this certificate's signature algorithm.</p> 168 * 169 * @return The name of the signature algorithm. 170 */ 171 public abstract String getSigAlgName(); 172 173 /** 174 * <p>Returns the object identifier (OID) of this certificate's signature 175 * algorithm. The returned string is a sequence of integers separated by 176 * periods.</p> 177 * 178 * @return The signature OID. 179 */ 180 public abstract String getSigAlgOID(); 181 182 /** 183 * <p>Returns the signature parameters. The returned byte array contains the 184 * raw DER-encoded parameters.</p> 185 * 186 * @return The signature parameters. 187 */ 188 public abstract byte[] getSigAlgParams(); 189 }