    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    import java.math.BigInteger;
    052    import java.security.Signature;
    053    import java.util.Arrays;
    054    import java.util.Calendar;
    055    import java.util.GregorianCalendar;
    056    import java.util.List;
    057
    058    import iaik.asn1.ObjectID;
    059    import iaik.asn1.structures.AlgorithmID;
    060    import iaik.asn1.structures.Name;
    061    import iaik.asn1.structures.PolicyInformation;
    062    import iaik.asn1.structures.PolicyQualifierInfo;
    063    import iaik.pkcs.pkcs11.Mechanism;
    064    import iaik.pkcs.pkcs11.MechanismInfo;
    065    import iaik.pkcs.pkcs11.Module;
    066    import iaik.pkcs.pkcs11.Session;
    067    import iaik.pkcs.pkcs11.Token;
    068    import iaik.pkcs.pkcs11.objects.RSAPrivateKey;
    069    import iaik.security.rsa.RSAPublicKey;
    070    import iaik.utils.RFC2253NameParser;
    071    import iaik.x509.V3Extension;
    072    import iaik.x509.X509Certificate;
    073    import iaik.x509.extensions.BasicConstraints;
    074    import iaik.x509.extensions.CertificatePolicies;
    075    import iaik.x509.extensions.KeyUsage;
    076
    077
    078
    079    /**
    080     * Creates a self-signed X.509 certificate using a token. The actual certificate specific
    081     * operations are in the last section of this demo.
    082     * The hash is calculated outside the token. This implementation just uses raw
    083     * RSA.
    084     *
    085     * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a>
    086     * @version 0.1
    087     * @invariants
    088     */
    089    public class SelfSignCertificate {
    090
    091      static PrintWriter output_;
    092
    093      static BufferedReader input_;
    094
    095      static {
    096        try {
    097          //output_ = new PrintWriter(new FileWriter("GetInfo_output.txt"), true);
    098          output_ = new PrintWriter(System.out, true);
    099          input_ = new BufferedReader(new InputStreamReader(System.in));
    100        } catch (Throwable thr) {
    101          thr.printStackTrace();
    102          output_ = new PrintWriter(System.out, true);
    103          input_ = new BufferedReader(new InputStreamReader(System.in));
    104        }
    105      }
    106
    107      public static void main(String[] args) {
    108        if (args.length != 3) {
    109          printUsage();
    110          System.exit(1);
    111        }
    112
    113        try {
    114
    115          Module pkcs11Module = Module.getInstance(args[0]);
    116          pkcs11Module.initialize(null);
    117
    118          Token token = Util.selectToken(pkcs11Module, output_, input_);
    119          if (token == null) {
    120            output_.println("We have no token to proceed. Finished.");
    121            output_.flush();
    122            System.exit(0);
    123          }
    124
    125          List supportedMechanisms = Arrays.asList(token.getMechanismList());
    126          if (!supportedMechanisms.contains(Mechanism.RSA_PKCS)) {
    127            output_.print("This token does not support raw RSA signing!");
    128            output_.flush();
    129            System.exit(0);
    130          } else {
    131            MechanismInfo rsaMechanismInfo = token.getMechanismInfo(Mechanism.RSA_PKCS);
    132            if (!rsaMechanismInfo.isSign()) {
    133              output_.print("This token does not support RSA signing according to PKCS!");
    134              output_.flush();
    135              System.exit(0);
    136            }
    137          }
    138
    139          Session session = Util.openAuthorizedSession(token, Token.SessionReadWriteBehavior.RO_SESSION, output_, input_);
    140
    141          // first we search for private RSA keys that we can use for signing
    142          RSAPrivateKey privateSignatureKeyTemplate = new RSAPrivateKey();
    143          privateSignatureKeyTemplate.getSign().setBooleanValue(Boolean.TRUE);
    144
    145          KeyAndCertificate selectedSignatureKeyAndCertificate =
    146              Util.selectKeyAndCertificate(session, privateSignatureKeyTemplate, output_, input_);
    147          if (selectedSignatureKeyAndCertificate == null) {
    148            output_.println("We have no signature key to proceed. Finished.");
    149            output_.flush();
    150            System.exit(0);
    151          }
    152
    153          RSAPrivateKey selectedSignatureKey = (RSAPrivateKey) selectedSignatureKeyAndCertificate.getKey();
    154
    155          // get the public key components from the private
    156          byte[] modulusBytes = selectedSignatureKey.getModulus().getByteArrayValue();
    157          byte[] publicExponentBytes = selectedSignatureKey.getPublicExponent().getByteArrayValue();
    158          RSAPublicKey publicKey =
    159              new RSAPublicKey(new BigInteger(1, modulusBytes), new BigInteger(1, publicExponentBytes));
    160
    161          // here the interesting code starts
    162
    163          output_.println("################################################################################");
    164          output_.println("slef-signing demo certificate");
    165
    166          Signature tokenSignatureEngine =
    167              new PKCS11SignatureEngine("SHA1withRSA", session, Mechanism.RSA_PKCS, AlgorithmID.sha1);
    168          AlgorithmIDAdapter pkcs11Sha1RSASignatureAlgorithmID = new AlgorithmIDAdapter(AlgorithmID.sha1WithRSAEncryption);
    169          pkcs11Sha1RSASignatureAlgorithmID.setSignatureInstance(tokenSignatureEngine);
    170
    171          RFC2253NameParser subjectNameParser = new RFC2253NameParser(args[1]);
    172          Name subjectName = subjectNameParser.parse();
    173
    174          // create a certificate
    175          X509Certificate certificate = new X509Certificate();
    176
    177          // set subject and issuer
    178          certificate.setSubjectDN(subjectName);
    179          certificate.setIssuerDN(subjectName);
    180
    181          // set pulbic key
    182          certificate.setPublicKey(publicKey);
    183
    184          // set serial number
    185          certificate.setSerialNumber(new BigInteger("1"));
    186
    187          // set validity
    188          Calendar date = new GregorianCalendar();
    189          certificate.setValidNotBefore(date.getTime()); // valid from now
    190          date.add(Calendar.YEAR, 3);
    191          certificate.setValidNotAfter(date.getTime()); // for 3 years
    192
    193          // set extensions
    194          V3Extension basicConstraints = new BasicConstraints(true);
    195          certificate.addExtension(basicConstraints);
    196
    197          V3Extension keyUsage = new KeyUsage(KeyUsage.keyCertSign | KeyUsage.cRLSign | KeyUsage.digitalSignature) ;
    198          certificate.addExtension(keyUsage);
    199
    200          PolicyQualifierInfo policyQualifierInfo = new PolicyQualifierInfo(null, null, "This certificate may be used for demonstration purposes only.");
    201          PolicyInformation policyInformation = new PolicyInformation(new ObjectID("1.3.6.1.4.1.2706.2.2.1.1.1.1.1") , new PolicyQualifierInfo[] {policyQualifierInfo});
    202          CertificatePolicies certificatePolicies = new CertificatePolicies(new PolicyInformation[] {policyInformation});
    203          V3Extension policies = certificatePolicies;
    204          certificate.addExtension(policies);
    205
    206          java.security.PrivateKey tokenSignatureKey = new TokenPrivateKey(selectedSignatureKey);
    207
    208          output_.print("signing certificate... ");
    209          certificate.sign(pkcs11Sha1RSASignatureAlgorithmID , tokenSignatureKey);
    210          output_.println("finished");
    211
    212          output_.print("writing certificate to file \"");
    213          output_.print(args[2]);
    214          output_.print("\"... ");
    215          OutputStream certificateStream = new FileOutputStream(args[2]);
    216          certificate.writeTo(certificateStream);
    217          output_.println("finished");
    218
    219          output_.println("################################################################################");
    220
    221          session.closeSession();
    222          pkcs11Module.finalize(null);
    223
    224        } catch (Throwable thr) {
    225          thr.printStackTrace();
    226        } finally {
    227          output_.close();
    228        }
    229      }
    230
    231      public static void printUsage() {
    232        output_.println("Usage: SelfSignCertificate <PKCS#11 module> <RFC2253 subject name> <DER-encoded certificate output file>");
    233        output_.println(" e.g.: SelfSignCertificate aetpkss1.dll \"CN=Karl Scheibelhofer,O=IAIK,C=AT,EMAIL=karl.scheibelhofer@iaik.at\" selfSignedCert.der");
    234        output_.println("The given DLL must be in the search path of the system.");
    235      }
    236
    237    }