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.FileInputStream; 047 import java.io.InputStream; 048 import java.math.BigInteger; 049 import java.security.MessageDigest; 050 import java.util.Arrays; 051 052 import iaik.pkcs.pkcs11.Mechanism; 053 import iaik.pkcs.pkcs11.Module; 054 import iaik.pkcs.pkcs11.Session; 055 import iaik.pkcs.pkcs11.Slot; 056 import iaik.pkcs.pkcs11.Token; 057 058 059 060 /** 061 * This demo program connects to two different modules and calculates hash 062 * values with both of them. This program uses SHA-1. It demonstrates that it is 063 * possible to work with two independent module at the same time. By now, I did 064 * not conduct any real multi-threaded tests. 065 * 066 * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a> 067 * @version 0.1 068 * @invariants 069 */ 070 public class ConcurrentHash { 071 072 public static void main(String[] args) { 073 if (args.length == 3){ 074 try { 075 System.out.println("################################################################################"); 076 System.out.println("load and initialize module: " + args[0]); 077 Module pkcs11Module1 = Module.getInstance(args[0]); 078 pkcs11Module1.initialize(null); 079 System.out.println("load and initialize module: " + args[1]); 080 Module pkcs11Module2 = Module.getInstance(args[1]); 081 pkcs11Module2.initialize(null); 082 System.out.println("################################################################################"); 083 084 085 System.out.println("################################################################################"); 086 System.out.println("getting tokens"); 087 088 Slot[] slotsWithToken1 = pkcs11Module1.getSlotList(Module.SlotRequirement.TOKEN_PRESENT); 089 if (slotsWithToken1.length < 1) { 090 System.err.println("No token present for module: " + pkcs11Module1.getInfo()); 091 System.exit(1); 092 } 093 Token token1 = slotsWithToken1[0].getToken(); 094 System.out.println("________________________________________________________________________________"); 095 System.out.println("token #1:"); 096 System.out.println(token1.getTokenInfo()); 097 System.out.println("________________________________________________________________________________"); 098 099 Slot[] slotsWithToken2 = pkcs11Module2.getSlotList(Module.SlotRequirement.TOKEN_PRESENT); 100 if (slotsWithToken2.length < 1) { 101 System.err.println("No token present for module: " + pkcs11Module2.getInfo()); 102 System.exit(1); 103 } 104 Token token2 = slotsWithToken2[0].getToken(); 105 System.out.println("________________________________________________________________________________"); 106 System.out.println("token #2:"); 107 System.out.println(token2.getTokenInfo()); 108 System.out.println("________________________________________________________________________________"); 109 System.out.println("################################################################################"); 110 111 112 System.out.println("################################################################################"); 113 System.out.println("opening sessions"); 114 Session session1 = token1. 115 openSession(Token.SessionType.SERIAL_SESSION, Token.SessionReadWriteBehavior.RO_SESSION, null, null); 116 Session session2 = token2. 117 openSession(Token.SessionType.SERIAL_SESSION, Token.SessionReadWriteBehavior.RO_SESSION, null, null); 118 119 System.out.println("opening data file: " + args[2]); 120 InputStream dataInputStream = new FileInputStream(args[2]); 121 122 //be sure that your token can process the specified mechanism 123 Mechanism digestMechanism = Mechanism.SHA_1; 124 // initialize for digesting 125 System.out.println("initializing sessions for hashing"); 126 session1.digestInit(digestMechanism); 127 session2.digestInit(digestMechanism); 128 129 byte[] dataBuffer = new byte[1024]; 130 byte[] helpBuffer; 131 int bytesRead; 132 133 // feed in all data from the input stream 134 while ((bytesRead = dataInputStream.read(dataBuffer)) >= 0) { 135 helpBuffer = new byte[bytesRead]; // we need a buffer that only holds what to send for digesting 136 System.arraycopy(dataBuffer, 0, helpBuffer, 0, bytesRead); 137 session1.digestUpdate(helpBuffer); 138 session2.digestUpdate(helpBuffer); 139 Arrays.fill(helpBuffer, (byte) 0); // ensure that no data is left in the memory 140 } 141 Arrays.fill(dataBuffer, (byte) 0); // ensure that no data is left in the memory 142 143 byte[] digestValue1 = session1.digestFinal(); 144 byte[] digestValue2 = session2.digestFinal(); 145 146 System.out.println("The SHA-1 hash value #1 is: " + new BigInteger(1, digestValue1).toString(16)); 147 System.out.println("The SHA-1 hash value #2 is: " + new BigInteger(1, digestValue2).toString(16)); 148 149 if (Arrays.equals(digestValue1, digestValue2)) { 150 System.out.println("The hash values are equal."); 151 } else { 152 System.out.println("The hash values are different. Test failed"); 153 } 154 155 System.out.println("closing sessions"); 156 session1.closeSession(); 157 session2.closeSession(); 158 System.out.println("################################################################################"); 159 160 161 System.out.println("################################################################################"); 162 System.out.println("verifying hash with software digest"); 163 164 MessageDigest softwareDigestEngine = MessageDigest.getInstance("SHA-1"); 165 166 dataInputStream = new FileInputStream(args[2]); 167 168 // feed in all data from the input stream 169 while ((bytesRead = dataInputStream.read(dataBuffer)) >= 0) { 170 softwareDigestEngine.update(dataBuffer, 0, bytesRead); 171 } 172 dataInputStream.close(); 173 byte[] softwareDigestValue = softwareDigestEngine.digest(); 174 175 Arrays.fill(dataBuffer, (byte) 0); // ensure that no data is left in the memory 176 177 System.out.println("The software digest value is: " + new BigInteger(1, softwareDigestValue).toString(16)); 178 179 if (Arrays.equals(digestValue1, softwareDigestValue) && Arrays.equals(digestValue2, softwareDigestValue)) { 180 System.out.println("All SHA-1 hash values are equal. Test passed successfully."); 181 } else { 182 System.out.println("Verification of hash value FAILED!"); 183 } 184 185 System.out.println("################################################################################"); 186 187 } catch (Throwable ex) { 188 ex.printStackTrace(); 189 } 190 } else { 191 printUsage(); 192 } 193 System.gc(); // to finalize and disconnect the modules 194 } 195 196 protected static void printUsage() { 197 System.out.println("ConcurrentHash <PKCS#11 module name #1> <PKCS#11 module name #2> <data>"); 198 System.out.println("e.g.: ConcurrentHash pk2priv.dll softtoken.dll data.dat"); 199 System.out.println("Both modules must support hashing without the user being logged in."); 200 } 201 202 }