001 /* Copyright (c) 2002 Graz University of Technology. All rights reserved. 002 * 003 * Redistribution and use in source and binary forms, with or without 004 * modification, are permitted provided that the following conditions are met: 005 * 006 * 1. Redistributions of source code must retain the above copyright notice, 007 * this list of conditions and the following disclaimer. 008 * 009 * 2. Redistributions in binary form must reproduce the above copyright notice, 010 * this list of conditions and the following disclaimer in the documentation 011 * and/or other materials provided with the distribution. 012 * 013 * 3. The end-user documentation included with the redistribution, if any, must 014 * include the following acknowledgment: 015 * 016 * "This product includes software developed by IAIK of Graz University of 017 * Technology." 018 * 019 * Alternately, this acknowledgment may appear in the software itself, if 020 * and wherever such third-party acknowledgments normally appear. 021 * 022 * 4. The names "Graz University of Technology" and "IAIK of Graz University of 023 * Technology" must not be used to endorse or promote products derived from 024 * this software without prior written permission. 025 * 026 * 5. Products derived from this software may not be called 027 * "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior 028 * written permission of Graz University of Technology. 029 * 030 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED 031 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 032 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 033 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE 034 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 035 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 036 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 037 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 038 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 039 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 040 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 041 * POSSIBILITY OF SUCH DAMAGE. 042 */ 043 044 package demo.pkcs.pkcs11; 045 046 import java.io.BufferedReader; 047 import java.io.FileOutputStream; 048 import java.io.InputStreamReader; 049 import java.io.OutputStream; 050 import java.io.PrintWriter; 051 052 import iaik.pkcs.pkcs11.Module; 053 import iaik.pkcs.pkcs11.Session; 054 import iaik.pkcs.pkcs11.Token; 055 import iaik.pkcs.pkcs11.TokenInfo; 056 import iaik.pkcs.pkcs11.objects.Data; 057 import iaik.pkcs.pkcs11.objects.Object; 058 059 060 061 /** 062 * This demo program read a data object with a specific label from the token. 063 * 064 * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a> 065 * @version 0.1 066 * @invariants 067 */ 068 public class ReadDataObject { 069 070 static PrintWriter output_; 071 072 static BufferedReader input_; 073 074 static { 075 try { 076 //output_ = new PrintWriter(new FileWriter("GetInfo_output.txt"), true); 077 output_ = new PrintWriter(System.out, true); 078 input_ = new BufferedReader(new InputStreamReader(System.in)); 079 } catch (Throwable thr) { 080 thr.printStackTrace(); 081 output_ = new PrintWriter(System.out, true); 082 input_ = new BufferedReader(new InputStreamReader(System.in)); 083 } 084 } 085 086 public static void main(String[] args) { 087 if (args.length != 3) { 088 printUsage(); 089 System.exit(1); 090 } 091 092 try { 093 Module pkcs11Module = Module.getInstance(args[0]); 094 pkcs11Module.initialize(null); 095 096 Token token = Util.selectToken(pkcs11Module, output_, input_); 097 if (token == null) { 098 output_.println("We have no token to proceed. Finished."); 099 output_.flush(); 100 System.exit(0); 101 } 102 TokenInfo tokenInfo = token.getTokenInfo(); 103 104 output_.println("################################################################################"); 105 output_.println("Information of Token:"); 106 output_.println(tokenInfo); 107 output_.println("################################################################################"); 108 109 // open an read-write user session 110 Session session = Util.openAuthorizedSession(token, Token.SessionReadWriteBehavior.RW_SESSION, output_, input_); 111 112 output_.println("################################################################################"); 113 output_.println("searching for data object on the card using this search template... "); 114 output_.flush(); 115 116 // create certificate object template 117 Data dataObjectTemplate = new Data(); 118 119 // we could also set the name that manages this data object 120 //dataObjectTemplate.getApplication().setCharArrayValue("Application Name"); 121 122 // set the data object's label 123 dataObjectTemplate.getLabel().setCharArrayValue(args[1].toCharArray()); 124 125 // print template 126 output_.println(dataObjectTemplate); 127 128 // start find operation 129 session.findObjectsInit(dataObjectTemplate); 130 131 Object[] foundDataObjects = session.findObjects(1); // find first 132 133 Data dataObject; 134 if (foundDataObjects.length > 0) { 135 dataObject = (Data) foundDataObjects[0]; 136 output_.println("________________________________________________________________________________"); 137 output_.print("found this data object with handle: "); 138 output_.println(dataObject.getObjectHandle()); 139 output_.println(dataObject); 140 output_.println("________________________________________________________________________________"); 141 // FIXME, there may be more than one that matches the given template, the label is not unique in general 142 // foundDataObjects = session.findObjects(1); //find next 143 } else { 144 dataObject = null; 145 } 146 147 session.findObjectsFinal(); 148 149 output_.println("################################################################################"); 150 151 output_.println("################################################################################"); 152 output_.println("Writing content data (value attribute) to: " + args[2]); 153 154 OutputStream dataOutputStream = new FileOutputStream(args[2]); 155 156 byte[] data = dataObject.getValue().getByteArrayValue(); 157 if (data != null) { 158 dataOutputStream.write(data); 159 } 160 dataOutputStream.flush(); 161 dataOutputStream.close(); 162 163 output_.println("################################################################################"); 164 165 session.closeSession(); 166 pkcs11Module.finalize(null); 167 168 } catch (Throwable ex) { 169 ex.printStackTrace(); 170 } 171 } 172 173 protected static void printUsage() { 174 output_.println("ReadDataObject <PKCS#11 module name> <data object label> <output file>"); 175 output_.println("e.g.: ReadDataObject gclib.dll \"Student Data\" data.dat"); 176 } 177 178 }