Example usage for org.bouncycastle.x509 X509V3CertificateGenerator addExtension

Introduction

In this page you can find the example usage for org.bouncycastle.x509 X509V3CertificateGenerator addExtension.

Prototype

public void addExtension(ASN1ObjectIdentifier oid, boolean critical, byte[] value) 

Source Link

Document

add a given extension field for the standard extensions tag (tag 3)

Usage

From source file:org.votingsystem.signature.util.CertUtils.java

License:Open Source License

/**
 * Generate V3 certificate for users/*from  ww w . j  a va 2  s . co m*/
 */
public static X509Certificate generateEndEntityCert(PublicKey entityKey, PrivateKey caKey,
        X509Certificate caCert, Date dateBegin, Date dateFinish, String endEntitySubjectDN) throws Exception {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    certGen.setSerialNumber(KeyGeneratorVS.INSTANCE.getSerno());
    certGen.setIssuerDN(PrincipalUtil.getSubjectX509Principal(caCert));
    certGen.setNotBefore(dateBegin);
    certGen.setNotAfter(dateFinish);
    certGen.setSubjectDN(new X500Principal(endEntitySubjectDN));
    certGen.setPublicKey(entityKey);
    certGen.setSignatureAlgorithm(ContextVS.CERT_GENERATION_SIG_ALGORITHM);
    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(caCert));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(entityKey));
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false));
    certGen.addExtension(X509Extensions.KeyUsage, true,
            new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment));
    return certGen.generate(caKey, ContextVS.PROVIDER);
}

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From source file:org.votingsystem.signature.util.CertUtils.java

License:Open Source License

/**
 * Generate V3 certificate for root CA Authority
 *//*w w w  .ja va  2  s .  c  om*/
public static X509Certificate generateV3RootCert(KeyPair pair, Date dateBegin, Date dateFinish,
        String strSubjectDN) throws Exception {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    log.info("strSubjectDN: " + strSubjectDN);
    X509Principal x509Principal = new X509Principal(strSubjectDN);
    certGen.setSerialNumber(KeyGeneratorVS.INSTANCE.getSerno());
    certGen.setIssuerDN(x509Principal);
    certGen.setNotBefore(dateBegin);
    certGen.setNotAfter(dateFinish);
    log.info("dateBegin: " + dateBegin.toString() + " - dateFinish: " + dateFinish.toString());
    certGen.setSubjectDN(x509Principal);
    certGen.setPublicKey(pair.getPublic());
    certGen.setSignatureAlgorithm(ContextVS.CERT_GENERATION_SIG_ALGORITHM);
    //The following fragment shows how to create one which indicates that 
    //the certificate containing it is a CA and that only one certificate can follow in the certificate path.
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(true, 0));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(pair.getPublic()));
    certGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(KeyUsage.keyCertSign | KeyUsage.cRLSign));
    return certGen.generate(pair.getPrivate(), ContextVS.PROVIDER);
}

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From source file:org.votingsystem.signature.util.CertUtils.java

License:Open Source License

/**
 * Generate V3 certificate for TimeStamp signing
 *///from w w w  .j av a  2  s  . c  o m
public static X509Certificate generateTimeStampingCert(PublicKey entityKey, PrivateKey caKey,
        X509Certificate caCert, long begin, long period, String endEntitySubjectDN) throws Exception {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(PrincipalUtil.getSubjectX509Principal(caCert));
    certGen.setNotBefore(new Date(begin));
    certGen.setNotAfter(new Date(begin + period));
    certGen.setSubjectDN(new X500Principal(endEntitySubjectDN));
    certGen.setPublicKey(entityKey);
    certGen.setSignatureAlgorithm(ContextVS.CERT_GENERATION_SIG_ALGORITHM);
    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(caCert));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(entityKey));
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false));
    certGen.addExtension(X509Extensions.KeyUsage, true,
            new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment));
    certGen.addExtension(X509Extensions.ExtendedKeyUsage, true,
            new ExtendedKeyUsage(new DERSequence(KeyPurposeId.id_kp_timeStamping)));
    return certGen.generate(caKey, ContextVS.PROVIDER);
}

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From source file:org.votingsystem.signature.util.CertUtils.java

License:Open Source License

/**
 * Generate V3 Certificate from CSR/*  w w  w  . j  a  v  a  2  s .  c  o  m*/
 */
public static X509Certificate generateV3EndEntityCertFromCsr(PKCS10CertificationRequest csr, PrivateKey caKey,
        X509Certificate caCert, Date dateBegin, Date dateFinish, String strSubjectDN,
        DERTaggedObject... certExtensions) throws Exception {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    PublicKey requestPublicKey = csr.getPublicKey();
    X509Principal x509Principal = new X509Principal(strSubjectDN);
    certGen.setSerialNumber(KeyGeneratorVS.INSTANCE.getSerno());
    log.info("generateV3EndEntityCertFromCsr - SubjectX500Principal(): " + caCert.getSubjectX500Principal());
    certGen.setIssuerDN(PrincipalUtil.getSubjectX509Principal(caCert));
    certGen.setNotBefore(dateBegin);
    certGen.setNotAfter(dateFinish);
    certGen.setSubjectDN(x509Principal);
    certGen.setPublicKey(requestPublicKey);
    certGen.setSignatureAlgorithm(ContextVS.CERT_GENERATION_SIG_ALGORITHM);
    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(caCert));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(requestPublicKey));
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false));//Certificado final
    certGen.addExtension(X509Extensions.KeyUsage, true,
            new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment));
    ASN1Set attributes = csr.getCertificationRequestInfo().getAttributes();
    if (attributes != null) {
        for (int i = 0; i != attributes.size(); i++) {
            if (attributes.getObjectAt(i) instanceof DERTaggedObject) {
                DERTaggedObject taggedObject = (DERTaggedObject) attributes.getObjectAt(i);
                ASN1ObjectIdentifier oid = new ASN1ObjectIdentifier(
                        ContextVS.VOTING_SYSTEM_BASE_OID + taggedObject.getTagNo());
                certGen.addExtension(oid, true, taggedObject);
            } else {
                Attribute attr = Attribute.getInstance(attributes.getObjectAt(i));
                if (attr.getAttrType().equals(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest)) {
                    X509Extensions extensions = X509Extensions.getInstance(attr.getAttrValues().getObjectAt(0));
                    Enumeration e = extensions.oids();
                    while (e.hasMoreElements()) {
                        DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
                        X509Extension ext = extensions.getExtension(oid);
                        certGen.addExtension(oid, ext.isCritical(), ext.getValue().getOctets());
                    }
                }
            }
        }
    }
    if (certExtensions != null) {
        for (DERTaggedObject taggedObject : certExtensions) {
            if (taggedObject != null) {
                ASN1ObjectIdentifier oid = new ASN1ObjectIdentifier(
                        ContextVS.VOTING_SYSTEM_BASE_OID + taggedObject.getTagNo());
                certGen.addExtension(oid, true, taggedObject);
            }
            log.log(Level.FINE, "null taggedObject");
        }
    }
    X509Certificate cert = certGen.generate(caKey, ContextVS.PROVIDER);
    cert.verify(caCert.getPublicKey());
    return cert;
}

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From source file:sernet.verinice.encryption.test.CryptoTest.java

License:Open Source License

X509Certificate generateCertificate(String dn, KeyPair pair, int days)
        throws GeneralSecurityException, IOException {
    PublicKey publicKey = pair.getPublic();
    PrivateKey privateKey = pair.getPrivate();
    if (publicKey instanceof RSAPublicKey) {
        RSAPublicKey rsaPk = (RSAPublicKey) publicKey;
        RSAPublicKeySpec rsaPkSpec = new RSAPublicKeySpec(rsaPk.getModulus(), rsaPk.getPublicExponent());
        try {//from   w  w w.j a v  a2 s .  co m
            publicKey = KeyFactory.getInstance("RSA").generatePublic(rsaPkSpec);
        } catch (InvalidKeySpecException e) {
            publicKey = pair.getPublic();
        }
    }
    if (privateKey instanceof RSAPrivateKey) {
        RSAPrivateKey rsaPk = (RSAPrivateKey) privateKey;
        RSAPrivateKeySpec rsaPkSpec = new RSAPrivateKeySpec(rsaPk.getModulus(), rsaPk.getPrivateExponent());
        try {
            privateKey = KeyFactory.getInstance("RSA").generatePrivate(rsaPkSpec);
        } catch (InvalidKeySpecException e) {
            privateKey = pair.getPrivate();
        }
    }

    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    String commonName = "CN=" + dn + ", OU=None, O=None L=None, C=None";
    X500Principal dnName = new X500Principal(commonName);
    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(dnName);
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(true));
    Calendar cal = Calendar.getInstance();
    certGen.setNotBefore(cal.getTime());
    cal.add(Calendar.YEAR, 5);
    certGen.setNotAfter(cal.getTime());
    certGen.setSubjectDN(dnName);
    certGen.setPublicKey(publicKey);
    certGen.setSignatureAlgorithm("MD5WithRSA");
    return certGen.generate(privateKey, BouncyCastleProvider.PROVIDER_NAME);
}

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From source file:test.be.fedict.eid.applet.ControllerTest.java

License:Open Source License

private X509Certificate generateSelfSignedCertificate(KeyPair keyPair, String subjectDn, DateTime notBefore,
        DateTime notAfter) throws IOException, InvalidKeyException, IllegalStateException,
        NoSuchAlgorithmException, SignatureException, CertificateException {
    PublicKey subjectPublicKey = keyPair.getPublic();
    PrivateKey issuerPrivateKey = keyPair.getPrivate();
    String signatureAlgorithm = "SHA1WithRSAEncryption";
    X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
    certificateGenerator.reset();/*from w w w. j ava 2 s . co  m*/
    certificateGenerator.setPublicKey(subjectPublicKey);
    certificateGenerator.setSignatureAlgorithm(signatureAlgorithm);
    certificateGenerator.setNotBefore(notBefore.toDate());
    certificateGenerator.setNotAfter(notAfter.toDate());
    X509Principal issuerDN = new X509Principal(subjectDn);
    certificateGenerator.setIssuerDN(issuerDN);
    certificateGenerator.setSubjectDN(new X509Principal(subjectDn));
    certificateGenerator.setSerialNumber(new BigInteger(128, new SecureRandom()));

    certificateGenerator.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            createSubjectKeyId(subjectPublicKey));
    PublicKey issuerPublicKey;
    issuerPublicKey = subjectPublicKey;
    certificateGenerator.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            createAuthorityKeyId(issuerPublicKey));

    certificateGenerator.addExtension(X509Extensions.BasicConstraints, false, new BasicConstraints(true));

    X509Certificate certificate;
    certificate = certificateGenerator.generate(issuerPrivateKey);

    /*
     * Next certificate factory trick is needed to make sure that the
     * certificate delivered to the caller is provided by the default
     * security provider instead of BouncyCastle. If we don't do this trick
     * we might run into trouble when trying to use the CertPath validator.
     */
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    certificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(certificate.getEncoded()));
    return certificate;
}

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From source file:test.be.fedict.eid.applet.PkiTestUtils.java

License:Open Source License

static X509Certificate generateCertificate(PublicKey subjectPublicKey, String subjectDn, DateTime notBefore,
        DateTime notAfter, X509Certificate issuerCertificate, PrivateKey issuerPrivateKey, boolean caFlag,
        int pathLength, String crlUri, String ocspUri, KeyUsage keyUsage)
        throws IOException, InvalidKeyException, IllegalStateException, NoSuchAlgorithmException,
        SignatureException, CertificateException {
    String signatureAlgorithm = "SHA1withRSA";
    X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
    certificateGenerator.reset();//from  ww  w . ja v a2s .  co m
    certificateGenerator.setPublicKey(subjectPublicKey);
    certificateGenerator.setSignatureAlgorithm(signatureAlgorithm);
    certificateGenerator.setNotBefore(notBefore.toDate());
    certificateGenerator.setNotAfter(notAfter.toDate());
    X509Principal issuerDN;
    if (null != issuerCertificate) {
        issuerDN = new X509Principal(issuerCertificate.getSubjectX500Principal().toString());
    } else {
        issuerDN = new X509Principal(subjectDn);
    }
    certificateGenerator.setIssuerDN(issuerDN);
    certificateGenerator.setSubjectDN(new X509Principal(subjectDn));
    certificateGenerator.setSerialNumber(new BigInteger(128, new SecureRandom()));

    certificateGenerator.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            createSubjectKeyId(subjectPublicKey));
    PublicKey issuerPublicKey;
    issuerPublicKey = subjectPublicKey;
    certificateGenerator.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            createAuthorityKeyId(issuerPublicKey));

    if (caFlag) {
        if (-1 == pathLength) {
            certificateGenerator.addExtension(X509Extensions.BasicConstraints, false,
                    new BasicConstraints(true));
        } else {
            certificateGenerator.addExtension(X509Extensions.BasicConstraints, false,
                    new BasicConstraints(pathLength));
        }
    }

    if (null != crlUri) {
        GeneralName gn = new GeneralName(GeneralName.uniformResourceIdentifier, new DERIA5String(crlUri));
        GeneralNames gns = new GeneralNames(new DERSequence(gn));
        DistributionPointName dpn = new DistributionPointName(0, gns);
        DistributionPoint distp = new DistributionPoint(dpn, null, null);
        certificateGenerator.addExtension(X509Extensions.CRLDistributionPoints, false, new DERSequence(distp));
    }

    if (null != ocspUri) {
        GeneralName ocspName = new GeneralName(GeneralName.uniformResourceIdentifier, ocspUri);
        AuthorityInformationAccess authorityInformationAccess = new AuthorityInformationAccess(
                X509ObjectIdentifiers.ocspAccessMethod, ocspName);
        certificateGenerator.addExtension(X509Extensions.AuthorityInfoAccess.getId(), false,
                authorityInformationAccess);
    }

    if (null != keyUsage) {
        certificateGenerator.addExtension(X509Extensions.KeyUsage, true, keyUsage);
    }

    X509Certificate certificate;
    certificate = certificateGenerator.generate(issuerPrivateKey);

    /*
     * Next certificate factory trick is needed to make sure that the
     * certificate delivered to the caller is provided by the default
     * security provider instead of BouncyCastle. If we don't do this trick
     * we might run into trouble when trying to use the CertPath validator.
     */
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    certificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(certificate.getEncoded()));
    return certificate;
}

---

From source file:test.integ.be.fedict.trust.util.TestUtils.java

License:Open Source License

public static X509Certificate generateCertificate(PublicKey subjectPublicKey, String subjectDn,
        PrivateKey issuerPrivateKey, X509Certificate issuerCert, DateTime notBefore, DateTime notAfter,
        String signatureAlgorithm, boolean includeAuthorityKeyIdentifier, boolean caCert,
        boolean timeStampingPurpose, String ocspUri, String crlUri, KeyUsage keyUsage, BigInteger serialNumber)
        throws IOException, InvalidKeyException, IllegalStateException, NoSuchAlgorithmException,
        SignatureException, CertificateException {

    String finalSignatureAlgorithm = signatureAlgorithm;
    if (null == signatureAlgorithm) {
        finalSignatureAlgorithm = "SHA512WithRSAEncryption";
    }/* ww w  .  j  a v a2s  . c  o m*/
    X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
    certificateGenerator.reset();
    certificateGenerator.setPublicKey(subjectPublicKey);
    certificateGenerator.setSignatureAlgorithm(finalSignatureAlgorithm);
    certificateGenerator.setNotBefore(notBefore.toDate());
    certificateGenerator.setNotAfter(notAfter.toDate());
    X509Principal issuerDN;
    if (null != issuerCert) {
        issuerDN = new X509Principal(issuerCert.getSubjectX500Principal().getName());
    } else {
        issuerDN = new X509Principal(subjectDn);
    }
    certificateGenerator.setIssuerDN(issuerDN);
    certificateGenerator.setSubjectDN(new X509Principal(subjectDn));
    certificateGenerator.setSerialNumber(serialNumber);

    certificateGenerator.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            createSubjectKeyId(subjectPublicKey));
    PublicKey issuerPublicKey;
    if (null != issuerCert) {
        issuerPublicKey = issuerCert.getPublicKey();
    } else {
        issuerPublicKey = subjectPublicKey;
    }
    if (includeAuthorityKeyIdentifier) {
        certificateGenerator.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
                createAuthorityKeyId(issuerPublicKey));
    }

    certificateGenerator.addExtension(X509Extensions.BasicConstraints, false, new BasicConstraints(caCert));

    if (timeStampingPurpose) {
        certificateGenerator.addExtension(X509Extensions.ExtendedKeyUsage, true,
                new ExtendedKeyUsage(KeyPurposeId.id_kp_timeStamping));
    }

    if (null != ocspUri) {
        GeneralName ocspName = new GeneralName(GeneralName.uniformResourceIdentifier, ocspUri);
        AuthorityInformationAccess authorityInformationAccess = new AuthorityInformationAccess(
                X509ObjectIdentifiers.ocspAccessMethod, ocspName);
        certificateGenerator.addExtension(X509Extensions.AuthorityInfoAccess.getId(), false,
                authorityInformationAccess);
    }

    if (null != crlUri) {
        GeneralName gn = new GeneralName(GeneralName.uniformResourceIdentifier, new DERIA5String(crlUri));
        GeneralNames gns = new GeneralNames(gn);
        DistributionPointName dpn = new DistributionPointName(0, gns);
        DistributionPoint distp = new DistributionPoint(dpn, null, null);
        certificateGenerator.addExtension(X509Extensions.CRLDistributionPoints, false, new DERSequence(distp));
    }

    if (null != keyUsage) {
        certificateGenerator.addExtension(X509Extensions.KeyUsage, true, keyUsage);
    }

    return certificateGenerator.generate(issuerPrivateKey);

    // /*
    // * Make sure the default certificate provider is active.
    // */
    // CertificateFactory certificateFactory = CertificateFactory
    // .getInstance("X.509");
    // certificate = (X509Certificate) certificateFactory
    // .generateCertificate(new ByteArrayInputStream(certificate
    // .getEncoded()));
    //
    // return certificate;
}

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From source file:test.unit.be.fedict.eid.applet.service.MiscTestUtils.java

License:Open Source License

public static X509Certificate generateCertificate(PublicKey subjectPublicKey, String subjectDn,
        DateTime notBefore, DateTime notAfter, X509Certificate issuerCertificate, PrivateKey issuerPrivateKey,
        boolean caFlag, int pathLength, String crlUri, String ocspUri) throws IOException, InvalidKeyException,
        IllegalStateException, NoSuchAlgorithmException, SignatureException, CertificateException {
    String signatureAlgorithm = "SHA1withRSA";
    X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
    certificateGenerator.reset();/*ww  w .j av  a2s. co m*/
    certificateGenerator.setPublicKey(subjectPublicKey);
    certificateGenerator.setSignatureAlgorithm(signatureAlgorithm);
    certificateGenerator.setNotBefore(notBefore.toDate());
    certificateGenerator.setNotAfter(notAfter.toDate());
    X509Principal issuerDN;
    if (null != issuerCertificate) {
        issuerDN = new X509Principal(issuerCertificate.getSubjectX500Principal().toString());
    } else {
        issuerDN = new X509Principal(subjectDn);
    }
    certificateGenerator.setIssuerDN(issuerDN);
    certificateGenerator.setSubjectDN(new X509Principal(subjectDn));
    certificateGenerator.setSerialNumber(new BigInteger(128, new SecureRandom()));

    certificateGenerator.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            createSubjectKeyId(subjectPublicKey));
    PublicKey issuerPublicKey;
    issuerPublicKey = subjectPublicKey;
    certificateGenerator.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            createAuthorityKeyId(issuerPublicKey));

    if (caFlag) {
        if (-1 == pathLength) {
            certificateGenerator.addExtension(X509Extensions.BasicConstraints, false,
                    new BasicConstraints(true));
        } else {
            certificateGenerator.addExtension(X509Extensions.BasicConstraints, false,
                    new BasicConstraints(pathLength));
        }
    }

    if (null != crlUri) {
        GeneralName gn = new GeneralName(GeneralName.uniformResourceIdentifier, new DERIA5String(crlUri));
        GeneralNames gns = new GeneralNames(new DERSequence(gn));
        DistributionPointName dpn = new DistributionPointName(0, gns);
        DistributionPoint distp = new DistributionPoint(dpn, null, null);
        certificateGenerator.addExtension(X509Extensions.CRLDistributionPoints, false, new DERSequence(distp));
    }

    if (null != ocspUri) {
        GeneralName ocspName = new GeneralName(GeneralName.uniformResourceIdentifier, ocspUri);
        AuthorityInformationAccess authorityInformationAccess = new AuthorityInformationAccess(
                X509ObjectIdentifiers.ocspAccessMethod, ocspName);
        certificateGenerator.addExtension(X509Extensions.AuthorityInfoAccess.getId(), false,
                authorityInformationAccess);
    }

    X509Certificate certificate;
    certificate = certificateGenerator.generate(issuerPrivateKey);

    /*
     * Next certificate factory trick is needed to make sure that the
     * certificate delivered to the caller is provided by the default
     * security provider instead of BouncyCastle. If we don't do this trick
     * we might run into trouble when trying to use the CertPath validator.
     */
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    certificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(certificate.getEncoded()));
    return certificate;
}

---

From source file:test.unit.be.fedict.eid.dss.spi.utils.PkiTestUtils.java

License:Open Source License

static X509Certificate generateCertificate(PublicKey subjectPublicKey, String subjectDn, DateTime notBefore,
        DateTime notAfter, X509Certificate issuerCertificate, PrivateKey issuerPrivateKey, boolean caFlag,
        int pathLength, String crlUri, String ocspUri, KeyUsage keyUsage, boolean tsa)
        throws IOException, InvalidKeyException, IllegalStateException, NoSuchAlgorithmException,
        SignatureException, CertificateException {
    String signatureAlgorithm = "SHA1withRSA";
    X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
    certificateGenerator.reset();//from  www.j  ava  2  s  . com
    certificateGenerator.setPublicKey(subjectPublicKey);
    certificateGenerator.setSignatureAlgorithm(signatureAlgorithm);
    certificateGenerator.setNotBefore(notBefore.toDate());
    certificateGenerator.setNotAfter(notAfter.toDate());
    X509Principal issuerDN;
    if (null != issuerCertificate) {
        issuerDN = new X509Principal(issuerCertificate.getSubjectX500Principal().toString());
    } else {
        issuerDN = new X509Principal(subjectDn);
    }
    certificateGenerator.setIssuerDN(issuerDN);
    certificateGenerator.setSubjectDN(new X509Principal(subjectDn));
    certificateGenerator.setSerialNumber(new BigInteger(128, new SecureRandom()));

    certificateGenerator.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            createSubjectKeyId(subjectPublicKey));
    PublicKey issuerPublicKey;
    issuerPublicKey = subjectPublicKey;
    certificateGenerator.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            createAuthorityKeyId(issuerPublicKey));

    if (caFlag) {
        if (-1 == pathLength) {
            certificateGenerator.addExtension(X509Extensions.BasicConstraints, false,
                    new BasicConstraints(true));
        } else {
            certificateGenerator.addExtension(X509Extensions.BasicConstraints, false,
                    new BasicConstraints(pathLength));
        }
    }

    if (null != crlUri) {
        GeneralName gn = new GeneralName(GeneralName.uniformResourceIdentifier, new DERIA5String(crlUri));
        //GeneralNames gns = new GeneralNames(new DERSequence(gn));
        //DistributionPointName dpn = new DistributionPointName(0, gns);
        DistributionPointName dpn = new DistributionPointName(0, gn);
        DistributionPoint distp = new DistributionPoint(dpn, null, null);
        certificateGenerator.addExtension(X509Extensions.CRLDistributionPoints, false, new DERSequence(distp));
    }

    if (null != ocspUri) {
        GeneralName ocspName = new GeneralName(GeneralName.uniformResourceIdentifier, ocspUri);
        AuthorityInformationAccess authorityInformationAccess = new AuthorityInformationAccess(
                X509ObjectIdentifiers.ocspAccessMethod, ocspName);
        certificateGenerator.addExtension(X509Extensions.AuthorityInfoAccess.getId(), false,
                authorityInformationAccess);
    }

    if (null != keyUsage) {
        certificateGenerator.addExtension(X509Extensions.KeyUsage, true, keyUsage);
    }

    if (tsa) {
        certificateGenerator.addExtension(X509Extensions.ExtendedKeyUsage, true,
                new ExtendedKeyUsage(KeyPurposeId.id_kp_timeStamping));
    }

    X509Certificate certificate;
    certificate = certificateGenerator.generate(issuerPrivateKey);

    /*
     * Next certificate factory trick is needed to make sure that the
     * certificate delivered to the caller is provided by the default
     * security provider instead of BouncyCastle. If we don't do this trick
     * we might run into trouble when trying to use the CertPath validator.
     */
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    certificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(certificate.getEncoded()));
    return certificate;
}

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