Example usage for org.bouncycastle.x509 X509V3CertificateGenerator addExtension

List of usage examples for org.bouncycastle.x509 X509V3CertificateGenerator addExtension

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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:at.ac.tuwien.ifs.tita.business.security.TiTASecurity.java

License:Apache License

/**
 * Generates a fresh Certificate for a Users KeyPair.
 * /* www  .j a  v a2 s . c om*/
 * @param pair the KeyPair to create a Certificate for.
 * @param userName the Issuer of the Certificate
 * @return a 10 Year valid Certificate for the User.
 * @throws TiTASecurityException If an error occurs during the generation Process.
 */
private static X509Certificate generateV3Certificate(KeyPair pair, String userName)
        throws TiTASecurityException {

    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());

    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(new X500Principal("CN=" + userName + " Certificate"));
    certGen.setNotBefore(new Date(System.currentTimeMillis()));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + VALID_TIME_RANGE));
    certGen.setSubjectDN(new X500Principal("CN=" + userName + " Certificate"));
    certGen.setPublicKey(pair.getPublic());
    certGen.setSignatureAlgorithm("SHA256WithRSAEncryption");

    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(KeyPurposeId.id_kp_serverAuth));

    X509Certificate targetCertificate = null;
    try {
        targetCertificate = certGen.generate(pair.getPrivate(), "BC");
    } catch (NoSuchProviderException e) {
        log.error("Could create a certificate for: " + userName + ".");
        throw new TiTASecurityException("Error while Generating a Certificate for: " + userName
                + ". Specified provider was not found.\n" + e.getMessage());
    } catch (NoSuchAlgorithmException e) {
        log.error("Could create a certificate for: " + userName + ".");
        throw new TiTASecurityException("Error while Generating a Certificate for: " + userName
                + ". Specified algorithm was not found.\n" + e.getMessage());
    } catch (SignatureException e) {
        log.error("Could create a certificate for: " + userName + ".");
        throw new TiTASecurityException("Error while Generating a Certificate for: " + userName
                + ". Signature is not valid.\n" + e.getMessage());
    } catch (CertificateEncodingException e) {
        log.error("Could create a certificate for: " + userName + ".");
        throw new TiTASecurityException("Error while Generating a Certificate for: " + userName
                + ". Wrong encoding for Signature.\n" + e.getMessage());
    } catch (InvalidKeyException e) {
        log.error("Could create a certificate for: " + userName + ".");
        throw new TiTASecurityException("Error while Generating a Certificate for: " + userName
                + ". The Key is not valid.\n" + e.getMessage());
    }

    return targetCertificate;
}

From source file:brooklyn.util.crypto.FluentKeySigner.java

License:Apache License

public X509Certificate newCertificateFor(X500Principal subject, PublicKey keyToCertify) {
    try {// w  w  w  .  ja v  a2 s  . co m
        X509V3CertificateGenerator v3CertGen = new X509V3CertificateGenerator();

        v3CertGen.setSerialNumber(serialNumber != null ? serialNumber :
        // must be positive
                BigInteger.valueOf(srand.nextLong()).abs().add(BigInteger.ONE));
        v3CertGen.setIssuerDN(issuerPrincipal);
        v3CertGen.setNotBefore(validityStartDate);
        v3CertGen.setNotAfter(validityEndDate);
        v3CertGen.setSignatureAlgorithm(signatureAlgorithm);

        v3CertGen.setSubjectDN(subject);
        v3CertGen.setPublicKey(keyToCertify);

        v3CertGen.addExtension(X509Extension.subjectKeyIdentifier, false,
                new SubjectKeyIdentifierStructure(keyToCertify));

        if (authorityKeyIdentifier != null)
            v3CertGen.addExtension(X509Extension.authorityKeyIdentifier, false, authorityKeyIdentifier);

        X509Certificate pkCertificate = v3CertGen.generate(issuerKey.getPrivate(), "BC");
        return pkCertificate;

    } catch (Exception e) {
        throw Exceptions.propagate(e);
    }
}

From source file:ca.nrc.cadc.cred.CertUtil.java

License:Open Source License

/**
 * Method that generates an X509 proxy certificate
 * /*from w  ww  . ja va2  s. c  om*/
 * @param csr CSR for the certificate
 * @param lifetime lifetime of the certificate in SECONDS
 * @param chain certificate used to sign the proxy certificate
 * @return generated proxy certificate
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 * @throws InvalidKeyException
 * @throws CertificateParsingException
 * @throws CertificateEncodingException
 * @throws SignatureException
 * @throws CertificateNotYetValidException
 * @throws CertificateExpiredException
 */
public static X509Certificate generateCertificate(PKCS10CertificationRequest csr, int lifetime,
        X509CertificateChain chain) throws NoSuchAlgorithmException, NoSuchProviderException,
        InvalidKeyException, CertificateParsingException, CertificateEncodingException, SignatureException,
        CertificateExpiredException, CertificateNotYetValidException {
    X509Certificate issuerCert = chain.getChain()[0];
    PrivateKey issuerKey = chain.getPrivateKey();

    Security.addProvider(new BouncyCastleProvider());

    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(issuerCert.getSubjectX500Principal());

    // generate the proxy DN as the issuerDN + CN=random number
    Random rand = new Random();
    String issuerDN = issuerCert.getSubjectX500Principal().getName(X500Principal.RFC2253);
    String delegDN = String.valueOf(Math.abs(rand.nextInt()));
    String proxyDn = "CN=" + delegDN + "," + issuerDN;
    certGen.setSubjectDN(new X500Principal(proxyDn));

    // set validity
    GregorianCalendar date = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
    // Start date. Allow for a sixty five minute clock skew here.
    date.add(Calendar.MINUTE, -65);
    Date beforeDate = date.getTime();
    for (X509Certificate currentCert : chain.getChain()) {
        if (beforeDate.before(currentCert.getNotBefore())) {
            beforeDate = currentCert.getNotBefore();
        }
    }
    certGen.setNotBefore(beforeDate);

    // End date.
    // If hours = 0, then cert lifetime is set to that of user cert
    if (lifetime <= 0) {
        // set the validity of certificates as the minimum
        // of the certificates in the chain
        Date afterDate = issuerCert.getNotAfter();
        for (X509Certificate currentCert : chain.getChain()) {
            if (afterDate.after(currentCert.getNotAfter())) {
                afterDate = currentCert.getNotAfter();
            }
        }
        certGen.setNotAfter(afterDate);
    } else {
        // check the validity of the signing certificate
        date.add(Calendar.MINUTE, 5);
        date.add(Calendar.SECOND, lifetime);
        for (X509Certificate currentCert : chain.getChain()) {
            currentCert.checkValidity(date.getTime());
        }

        certGen.setNotAfter(date.getTime());
    }

    certGen.setPublicKey(csr.getPublicKey());
    // TODO: should be able to get signature algorithm from the csr, but... obtuse
    certGen.setSignatureAlgorithm(DEFAULT_SIGNATURE_ALGORITHM);

    // extensions
    // add ProxyCertInfo extension to the new cert

    certGen.addExtension(X509Extensions.KeyUsage, true,
            new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment));

    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(issuerCert));

    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(csr.getPublicKey("BC")));

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

    // add the Proxy Certificate Information
    // I expect this code to be removed once support to proxy
    // certificates is provided in Bouncy Castle.

    // create a proxy policy
    // types of proxy certificate policies - see RFC3820
    // impersonates the user
    final DERObjectIdentifier IMPERSONATION = new DERObjectIdentifier("1.3.6.1.5.5.7.21.1");
    // independent
    // final DERObjectIdentifier INDEPENDENT = new
    // DERObjectIdentifier(
    // "1.3.6.1.5.5.7.21.2");
    // defined by a policy language
    // final DERObjectIdentifier LIMITED = new DERObjectIdentifier(
    // "1.3.6.1.4.1.3536.1.1.1.9");

    ASN1EncodableVector policy = new ASN1EncodableVector();
    policy.add(IMPERSONATION);

    // pathLengthConstr (RFC3820)
    // The pCPathLenConstraint field, if present, specifies the
    // maximum
    // depth of the path of Proxy Certificates that can be signed by
    // this
    // Proxy Certificate. A pCPathLenConstraint of 0 means that this
    // certificate MUST NOT be used to sign a Proxy Certificate. If
    // the
    // pCPathLenConstraint field is not present then the maximum proxy
    // path
    // length is unlimited. End entity certificates have unlimited
    // maximum
    // proxy path lengths.
    // DERInteger pathLengthConstr = new DERInteger(100);

    // create the proxy certificate information
    ASN1EncodableVector vec = new ASN1EncodableVector();
    // policy.add(pathLengthConstr);
    vec.add(new DERSequence(policy));

    // OID
    final DERObjectIdentifier OID = new DERObjectIdentifier("1.3.6.1.5.5.7.1.14");
    certGen.addExtension(OID, true, new DERSequence(vec));

    return certGen.generate(issuerKey, "BC");
}

From source file:chapter6.PKCS10CertCreateExample.java

public static X509Certificate[] buildChain() throws Exception {
    // Create the certification request
    KeyPair pair = Utils.generateRSAKeyPair();

    PKCS10CertificationRequest request = PKCS10ExtensionExample.generateRequest(pair);

    // Create a root certificate
    KeyPair rootPair = Utils.generateRSAKeyPair();
    X509Certificate rootCert = X509V1CreateExample.generateV1Certificate(rootPair);

    // Validate the certification request
    if (request.verify("BC") == false) {
        System.out.println("Request failed to verify!!");
        System.exit(1);// www  .ja  v  a2 s.c  o  m
    }

    // Create the certificate using the information in the request
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(rootCert.getSubjectX500Principal());
    certGen.setNotBefore(new Date(System.currentTimeMillis()));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + 50000));
    certGen.setSubjectDN(new X500Principal(request.getCertificationRequestInfo().getSubject().getEncoded()));
    certGen.setPublicKey(request.getPublicKey("BC"));
    certGen.setSignatureAlgorithm("SHA256WithRSAEncryption");

    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(rootCert));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(request.getPublicKey("BC")));
    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(KeyPurposeId.id_kp_serverAuth));

    // Extract the extension request attribute
    ASN1Set attributes = request.getCertificationRequestInfo().getAttributes();

    for (int i = 0; i < attributes.size(); i++) {
        Attribute attr = Attribute.getInstance(attributes.getObjectAt(i));

        // Process extension request
        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());
            }
        }
    }

    X509Certificate issuedCert = certGen.generateX509Certificate(rootPair.getPrivate());

    return new X509Certificate[] { issuedCert, rootCert };
}

From source file:chapter6.X509V3CreateExample.java

public static X509Certificate generateV3Certificate(KeyPair pair) throws Exception {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(new X500Principal("CN=Test Certificate"));
    certGen.setNotBefore(new Date(System.currentTimeMillis() - 50000));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + 50000));
    certGen.setSubjectDN(new X500Principal("CN=Test Certificate"));
    certGen.setPublicKey(pair.getPublic());
    certGen.setSignatureAlgorithm("SHA256WithRSAEncryption");

    // Extension ::= SEQUENCE {
    //  extnID      OBJECT IDENTIFIER,
    //  critical    BOOLEAN DEFAULT FALSE
    //  extnValue   OCTET STRING }
    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(KeyPurposeId.id_kp_serverAuth));
    certGen.addExtension(X509Extensions.SubjectAlternativeName, false,
            new GeneralNames(new GeneralName(GeneralName.rfc822Name, "test@test.test")));

    return certGen.generateX509Certificate(pair.getPrivate(), CryptoDefs.Provider.BC.getName());
}

From source file:chapter7.Utils.java

/**
 * Generate a sample V3 certificate to use as an intermediate CA certificate.
 * @param intKey/*ww w .  j  ava 2s .com*/
 * @param caKey
 * @param caCert
 * @return
 * @throws Exception
 */
public static X509Certificate generateIntermediateCert(final PublicKey intKey, final PrivateKey caKey,
        final X509Certificate caCert) throws Exception {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.ONE);
    certGen.setIssuerDN(caCert.getSubjectX500Principal());
    certGen.setNotBefore(new Date(System.currentTimeMillis()));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + VALIDITY_PERIOD));
    certGen.setSubjectDN(new X500Principal("CN=Test Intermediate Certificate"));
    certGen.setPublicKey(intKey);
    certGen.setSignatureAlgorithm("SHA1WithRSAEncryption");

    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(caCert));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(intKey));
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(0));
    certGen.addExtension(X509Extensions.KeyUsage, true,
            new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyCertSign | KeyUsage.cRLSign));

    return certGen.generateX509Certificate(caKey, CryptoDefs.Provider.BC.getName());
}

From source file:chapter7.Utils.java

/**
 * Generate a sample V3 certificate to use as an end entity certificate.
 * @param entityKey/*w ww.java 2 s .com*/
 * @param caKey
 * @param caCert
 * @return
 * @throws Exception
 */
public static X509Certificate generateEndEntityCert(final PublicKey entityKey, final PrivateKey caKey,
        final X509Certificate caCert) throws Exception {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.ONE);
    certGen.setIssuerDN(caCert.getSubjectX500Principal());
    certGen.setNotBefore(new Date(System.currentTimeMillis()));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + VALIDITY_PERIOD));
    certGen.setSubjectDN(new X500Principal("CN=Test End Certificate"));
    certGen.setPublicKey(entityKey);
    certGen.setSignatureAlgorithm("SHA1WithRSAEncryption");

    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.generateX509Certificate(caKey, CryptoDefs.Provider.BC.getName());
}

From source file:com.eucalyptus.auth.crypto.DefaultCryptoProvider.java

License:Open Source License

@Override
public X509Certificate generateCertificate(KeyPair keys, X500Principal subjectDn, X500Principal signer,
        PrivateKey signingKey) {/*w ww  . j  av  a  2 s  . co  m*/
    signer = (signingKey == null ? signer : subjectDn);
    signingKey = (signingKey == null ? keys.getPrivate() : signingKey);
    EventRecord.caller(DefaultCryptoProvider.class, EventType.GENERATE_CERTIFICATE, signer.toString(),
            subjectDn.toString()).info();
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    certGen.setSerialNumber(BigInteger.valueOf(System.nanoTime()).shiftLeft(4)
            .add(BigInteger.valueOf((long) Math.rint(Math.random() * 1000))));
    certGen.setIssuerDN(signer);
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(true));
    try {
        certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
                new SubjectKeyIdentifierStructure(keys.getPublic()));
    } catch (InvalidKeyException e) {
        LOG.error("Error adding subject key identifier extension.", e);
    }
    Calendar cal = Calendar.getInstance();
    certGen.setNotBefore(cal.getTime());
    cal.add(Calendar.YEAR, 5);
    certGen.setNotAfter(cal.getTime());
    certGen.setSubjectDN(subjectDn);
    certGen.setPublicKey(keys.getPublic());
    certGen.setSignatureAlgorithm(KEY_SIGNING_ALGORITHM);
    try {
        X509Certificate cert = certGen.generate(signingKey, PROVIDER);
        cert.checkValidity();
        return cert;
    } catch (Exception e) {
        LOG.fatal(e, e);
        return null;
    }
}

From source file:com.eucalyptus.auth.util.KeyTool.java

License:Open Source License

public X509Certificate getCertificate(KeyPair keyPair, String certDn) {
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    X500Principal dnName = new X500Principal(certDn);

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(dnName);//from w w  w .j  a  v  a 2s. com
    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(keyPair.getPublic());
    certGen.setSignatureAlgorithm(this.keySigningAlgorithm);
    try {
        X509Certificate cert = certGen.generate(keyPair.getPrivate(), PROVIDER);
        return cert;
    } catch (Exception e) {
        LOG.fatal(e, e);
        System.exit(-3);
        return null;
    }
}

From source file:com.eucalyptus.crypto.DefaultCryptoProvider.java

License:Open Source License

@Override
public X509Certificate generateCertificate(PublicKey key, X500Principal subjectDn, X500Principal signer,
        PrivateKey signingKey, Date notAfter) {
    if (signingKey == null) {
        LOG.error("No signing key is provided");
        return null;
    }/*from   w  w w.  j  a  v  a2s  . c o m*/
    if (signer == null) {
        LOG.error("No signiner principal is specified");
        return null;
    }
    if (subjectDn == null) {
        LOG.error("No subject principal is specified");
        return null;
    }
    if (key == null) {
        LOG.error("No requesting key is specified");
        return null;
    }

    EventRecord.caller(DefaultCryptoProvider.class, EventType.GENERATE_CERTIFICATE, signer.toString(),
            subjectDn.toString()).info();
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    certGen.setSerialNumber(BigInteger.valueOf(System.nanoTime()).shiftLeft(4)
            .add(BigInteger.valueOf((long) Math.rint(Math.random() * 1000))));
    certGen.setIssuerDN(signer);
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(true));
    try {
        certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
                new SubjectKeyIdentifierStructure(key));
    } catch (InvalidKeyException e) {
        LOG.error("Error adding subject key identifier extension.", e);
    }
    Calendar cal = Calendar.getInstance();
    certGen.setNotBefore(cal.getTime());
    certGen.setNotAfter(notAfter);
    certGen.setSubjectDN(subjectDn);
    certGen.setPublicKey(key);
    certGen.setSignatureAlgorithm(KEY_SIGNING_ALGORITHM);
    try {
        X509Certificate cert = certGen.generate(signingKey, PROVIDER);
        cert.checkValidity();
        return cert;
    } catch (Exception e) {
        LOG.fatal(e, e);
        return null;
    }
}