    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.ByteArrayOutputStream;
    047    import java.io.FileInputStream;
    048    import java.io.FileOutputStream;
    049    import java.io.InputStream;
    050    import java.io.OutputStream;
    051    import java.io.PrintWriter;
    052    import java.math.BigInteger;
    053
    054    import iaik.pkcs.pkcs11.Mechanism;
    055    import iaik.pkcs.pkcs11.Module;
    056    import iaik.pkcs.pkcs11.Session;
    057    import iaik.pkcs.pkcs11.Slot;
    058    import iaik.pkcs.pkcs11.Token;
    059    import iaik.pkcs.pkcs11.objects.Object;
    060    import iaik.pkcs.pkcs11.objects.RSAPrivateKey;
    061
    062
    063
    064    /**
    065     * Signs some raw data on the token. This means, the given data is directly
    066     * input to the signature cretion mechanism without any prior hashing. For
    067     * instance, the user can provide the encoding of an already calcualted
    068     * DigestInfo object. See file data.dat.sh1, which is the DigestInfo encoding
    069     * of the SHA-1 hash of data.dat.
    070     *
    071     * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a>
    072     * @version 0.1
    073     * @invariants
    074     */
    075    public class SignRaw {
    076
    077      static PrintWriter output_;
    078
    079      static {
    080        try {
    081          //output_ = new PrintWriter(new FileWriter("SignRaw_output.txt"), true);
    082          output_ = new PrintWriter(System.out, true);
    083        } catch (Throwable thr) {
    084          thr.printStackTrace();
    085          output_ = new PrintWriter(System.out, true);
    086        }
    087      }
    088
    089      public static void main(String[] args) {
    090        if ((args.length != 3) && (args.length != 4)) {
    091          printUsage();
    092          System.exit(1);
    093        }
    094
    095        try {
    096
    097            Module pkcs11Module = Module.getInstance(args[0]);
    098            pkcs11Module.initialize(null);
    099
    100            Slot[] slots = pkcs11Module.getSlotList(Module.SlotRequirement.TOKEN_PRESENT);
    101
    102            if (slots.length == 0) {
    103              output_.println("No slot with present token found!");
    104              System.exit(0);
    105            }
    106
    107            Slot selectedSlot = slots[0];
    108            Token token = selectedSlot.getToken();
    109
    110            Session session =
    111                token.openSession(Token.SessionType.SERIAL_SESSION, Token.SessionReadWriteBehavior.RO_SESSION, null, null);
    112            session.login(Session.UserType.USER, args[1].toCharArray());
    113
    114            output_.println("################################################################################");
    115            output_.println("find private signature key");
    116            RSAPrivateKey templateSignatureKey = new RSAPrivateKey();
    117            templateSignatureKey.getSign().setBooleanValue(Boolean.TRUE);
    118
    119            session.findObjectsInit(templateSignatureKey);
    120
    121            Object[] foundSignatureKeyObjects = session.findObjects(1); // find first
    122
    123            RSAPrivateKey signatureKey = null;
    124            if (foundSignatureKeyObjects.length > 0) {
    125              signatureKey = (RSAPrivateKey) foundSignatureKeyObjects[0];
    126              output_.println("________________________________________________________________________________");
    127              output_.println(signatureKey);
    128              output_.println("________________________________________________________________________________");
    129           } else {
    130              output_.println("No RSA private key found that can sign!");
    131              System.exit(0);
    132            }
    133            session.findObjectsFinal();
    134
    135            output_.println("################################################################################");
    136
    137
    138            output_.println("################################################################################");
    139            output_.println("signing data from file: " + args[2]);
    140
    141            InputStream dataInputStream = new FileInputStream(args[2]);
    142
    143            // to buffer the data to be signed
    144            ByteArrayOutputStream dataToBeSignedBuffer = new ByteArrayOutputStream(128);
    145
    146            //be sure that your token can process the specified mechanism
    147            Mechanism signatureMechanism = Mechanism.RSA_PKCS;
    148            // initialize for signing
    149            session.signInit(signatureMechanism, signatureKey);
    150
    151            byte[] dataBuffer = new byte[1024];
    152            byte[] helpBuffer;
    153            int bytesRead;
    154
    155            /* We use the sign(byte]) function, because some drivers do not support
    156             * signing multiple data pieces. To buffer the data,
    157             * feed all data from the input stream to the data buffer strem.
    158             */
    159            while ((bytesRead = dataInputStream.read(dataBuffer)) >= 0) {
    160              dataToBeSignedBuffer.write(dataBuffer, 0, bytesRead);
    161            }
    162            byte[] dataToBeSigned = dataToBeSignedBuffer.toByteArray();
    163
    164            // This signing operation is implemented in most of the drivers
    165            byte[] signatureValue = session.sign(dataToBeSigned);
    166
    167            output_.println("The siganture value is: " + new BigInteger(1, signatureValue).toString(16));
    168
    169            if (args.length == 4) {
    170              output_.println("Writing signature to file: " + args[3]);
    171
    172              OutputStream signatureOutput = new FileOutputStream(args[3]);
    173              signatureOutput.write(signatureValue);
    174              signatureOutput.flush();
    175              signatureOutput.close();
    176            }
    177
    178            output_.println("################################################################################");
    179
    180            session.closeSession();
    181            pkcs11Module.finalize(null);
    182
    183        } catch (Throwable thr) {
    184          thr.printStackTrace();
    185        } finally {
    186          output_.close();
    187        }
    188      }
    189
    190      public static void printUsage() {
    191        output_.println("Usage: SignRaw <PKCS#11 module> <userPIN> <file to be signed> [<signature value file>]");
    192        output_.println(" e.g.: SignRaw pk2priv.dll password data.dat.sha1 signature.bin");
    193        output_.println("The given DLL must be in the search path of the system.");
    194      }
    195
    196    }