1 /* Certificate.java -- deprecated interface for modeling digital certificates 2 Copyright (C) 1998, 2002, 2004 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 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, or (at your option) 9 any later version. 10 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. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 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 24 combination. 25 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. */ 37 38 39 package java.security; 40 41 import java.io.IOException; 42 import java.io.InputStream; 43 import java.io.OutputStream; 44 45 /** 46 * This interface models a digital certificate which verifies the 47 * authenticity of a party. This class simply allows certificate 48 * information to be queried, it does not guarantee that the certificate 49 * is valid. 50 * 51 * <p>This class is deprecated in favor of the new java.security.cert package. 52 * It exists for backward compatibility only. 53 * 54 * @author Aaron M. Renn (arenn@urbanophile.com) 55 * @since 1.1 56 * @deprecated use {@link java.security.cert} instead 57 * @status updated to 1.4 58 */ 59 public interface Certificate 60 { 61 /** 62 * This method returns the <code>Principal</code> that is guaranteeing 63 * this certificate. 64 * 65 * @return the <code>Principal</code> guaranteeing the certificate 66 */ getGuarantor()67 Principal getGuarantor(); 68 69 /** 70 * This method returns the <code>Principal</code> being guaranteed by 71 * this certificate. 72 * 73 * @return the <code>Principal</code> guaranteed by this certificate 74 */ getPrincipal()75 Principal getPrincipal(); 76 77 /** 78 * This method returns the public key for the <code>Principal</code> that 79 * is being guaranteed. 80 * 81 * @return the <code>PublicKey</code> of the Principal being guaranteed 82 */ getPublicKey()83 PublicKey getPublicKey(); 84 85 /** 86 * This method writes the certificate to an <code>OutputStream</code> in 87 * a format that can be understood by the <code>decode</code> method. 88 * 89 * @param out the <code>OutputStream</code> to write to 90 * @throws KeyException if there is a problem with the certificate 91 * @throws IOException if an error occurs writing to the stream 92 * @see #decode(InputStream) 93 * @see #getFormat() 94 */ encode(OutputStream out)95 void encode(OutputStream out) throws KeyException, IOException; 96 97 /** 98 * This method reads an encoded certificate from an <code>InputStream</code>. 99 * 100 * @param in the <code>InputStream</code> to read from 101 * @throws KeyException if there is a problem with the certificate data 102 * @throws IOException if an error occurs reading from the stream 103 * @see #encode(OutputStream) 104 * @see #getFormat() 105 */ decode(InputStream in)106 void decode(InputStream in) throws KeyException, IOException; 107 108 /** 109 * This method returns the encoding format of the certificate (e.g., "PGP", 110 * "X.509"). This format is used by the <code>encode</code> and 111 * <code>decode</code> methods. 112 * 113 * @return the encoding format being used 114 */ getFormat()115 String getFormat(); 116 117 /** 118 * This method returns a <code>String</code> representation of the contents 119 * of this certificate. 120 * 121 * @param detail true to provided more detailed information 122 * @return the string representation 123 */ toString(boolean detail)124 String toString(boolean detail); 125 } // interface Certificate 126