Examples with BasicConstraints org.bouncycastle.asn1.x509.BasicConstraints used on opensource projects

Example 41 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project robovm by robovm.

the class RFC3280CertPathUtilities method prepareNextCertM.

protected static int prepareNextCertM(CertPath certPath, int index, int maxPathLength) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    //
    // (m)
    //
    BasicConstraints bc = null;
    try {
        bc = BasicConstraints.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.BASIC_CONSTRAINTS));
    } catch (Exception e) {
        throw new ExtCertPathValidatorException("Basic constraints extension cannot be decoded.", e, certPath, index);
    }
    if (bc != null) {
        BigInteger _pathLengthConstraint = bc.getPathLenConstraint();
        if (_pathLengthConstraint != null) {
            int _plc = _pathLengthConstraint.intValue();
            if (_plc < maxPathLength) {
                return _plc;
            }
        }
    }
    return maxPathLength;
}

Example 42 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project nhin-d by DirectProject.

the class BasicContraintsExtensionField method injectReferenceValue.

/**
	 * {@inheritDoc}
	 */
@Override
public void injectReferenceValue(X509Certificate value) throws PolicyProcessException {
    this.certificate = value;
    final DERObject exValue = getExtensionValue(value);
    if (exValue == null) {
        if (isRequired())
            throw new PolicyRequiredException("Extention " + getExtentionIdentifier().getDisplay() + " is marked as required by is not present.");
        else {
            this.policyValue = PolicyValueFactory.getInstance(false);
            return;
        }
    }
    final BasicConstraints constraints = BasicConstraints.getInstance(exValue);
    this.policyValue = PolicyValueFactory.getInstance(constraints.isCA());
}

Example 43 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project poi by apache.

the class PkiTestUtils method generateCertificate.

static X509Certificate generateCertificate(PublicKey subjectPublicKey, String subjectDn, Date notBefore, Date notAfter, X509Certificate issuerCertificate, PrivateKey issuerPrivateKey, boolean caFlag, int pathLength, String crlUri, String ocspUri, KeyUsage keyUsage) throws IOException, OperatorCreationException, CertificateException {
    String signatureAlgorithm = "SHA1withRSA";
    X500Name issuerName;
    if (issuerCertificate != null) {
        issuerName = new X509CertificateHolder(issuerCertificate.getEncoded()).getIssuer();
    } else {
        issuerName = new X500Name(subjectDn);
    }
    RSAPublicKey rsaPubKey = (RSAPublicKey) subjectPublicKey;
    RSAKeyParameters rsaSpec = new RSAKeyParameters(false, rsaPubKey.getModulus(), rsaPubKey.getPublicExponent());
    SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo(rsaSpec);
    DigestCalculator digestCalc = new JcaDigestCalculatorProviderBuilder().setProvider("BC").build().get(CertificateID.HASH_SHA1);
    X509v3CertificateBuilder certificateGenerator = new X509v3CertificateBuilder(issuerName, new BigInteger(128, new SecureRandom()), notBefore, notAfter, new X500Name(subjectDn), subjectPublicKeyInfo);
    X509ExtensionUtils exUtils = new X509ExtensionUtils(digestCalc);
    SubjectKeyIdentifier subKeyId = exUtils.createSubjectKeyIdentifier(subjectPublicKeyInfo);
    AuthorityKeyIdentifier autKeyId = (issuerCertificate != null) ? exUtils.createAuthorityKeyIdentifier(new X509CertificateHolder(issuerCertificate.getEncoded())) : exUtils.createAuthorityKeyIdentifier(subjectPublicKeyInfo);
    certificateGenerator.addExtension(Extension.subjectKeyIdentifier, false, subKeyId);
    certificateGenerator.addExtension(Extension.authorityKeyIdentifier, false, autKeyId);
    if (caFlag) {
        BasicConstraints bc;
        if (-1 == pathLength) {
            bc = new BasicConstraints(true);
        } else {
            bc = new BasicConstraints(pathLength);
        }
        certificateGenerator.addExtension(Extension.basicConstraints, false, bc);
    }
    if (null != crlUri) {
        int uri = GeneralName.uniformResourceIdentifier;
        DERIA5String crlUriDer = new DERIA5String(crlUri);
        GeneralName gn = new GeneralName(uri, crlUriDer);
        DERSequence gnDer = new DERSequence(gn);
        GeneralNames gns = GeneralNames.getInstance(gnDer);
        DistributionPointName dpn = new DistributionPointName(0, gns);
        DistributionPoint distp = new DistributionPoint(dpn, null, null);
        DERSequence distpDer = new DERSequence(distp);
        certificateGenerator.addExtension(Extension.cRLDistributionPoints, false, distpDer);
    }
    if (null != ocspUri) {
        int uri = GeneralName.uniformResourceIdentifier;
        GeneralName ocspName = new GeneralName(uri, ocspUri);
        AuthorityInformationAccess authorityInformationAccess = new AuthorityInformationAccess(X509ObjectIdentifiers.ocspAccessMethod, ocspName);
        certificateGenerator.addExtension(Extension.authorityInfoAccess, false, authorityInformationAccess);
    }
    if (null != keyUsage) {
        certificateGenerator.addExtension(Extension.keyUsage, true, keyUsage);
    }
    JcaContentSignerBuilder signerBuilder = new JcaContentSignerBuilder(signatureAlgorithm);
    signerBuilder.setProvider("BC");
    X509CertificateHolder certHolder = certificateGenerator.build(signerBuilder.build(issuerPrivateKey));
    //                        .getEncoded()));
    return new JcaX509CertificateConverter().getCertificate(certHolder);
}

Example 44 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project nifi by apache.

the class CertificateUtils method generateIssuedCertificate.

/**
 * Generates an issued {@link X509Certificate} from the given issuer certificate and {@link KeyPair}
 *
 * @param dn the distinguished name to use
 * @param publicKey the public key to issue the certificate to
 * @param extensions extensions extracted from the CSR
 * @param issuer the issuer's certificate
 * @param issuerKeyPair the issuer's keypair
 * @param signingAlgorithm the signing algorithm to use
 * @param days the number of days it should be valid for
 * @return an issued {@link X509Certificate} from the given issuer certificate and {@link KeyPair}
 * @throws CertificateException if there is an error issuing the certificate
 */
public static X509Certificate generateIssuedCertificate(String dn, PublicKey publicKey, Extensions extensions, X509Certificate issuer, KeyPair issuerKeyPair, String signingAlgorithm, int days) throws CertificateException {
    try {
        ContentSigner sigGen = new JcaContentSignerBuilder(signingAlgorithm).setProvider(BouncyCastleProvider.PROVIDER_NAME).build(issuerKeyPair.getPrivate());
        SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(publicKey.getEncoded());
        Date startDate = new Date();
        Date endDate = new Date(startDate.getTime() + TimeUnit.DAYS.toMillis(days));
        X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(reverseX500Name(new X500Name(issuer.getSubjectX500Principal().getName())), getUniqueSerialNumber(), startDate, endDate, reverseX500Name(new X500Name(dn)), subPubKeyInfo);
        certBuilder.addExtension(Extension.subjectKeyIdentifier, false, new JcaX509ExtensionUtils().createSubjectKeyIdentifier(publicKey));
        certBuilder.addExtension(Extension.authorityKeyIdentifier, false, new JcaX509ExtensionUtils().createAuthorityKeyIdentifier(issuerKeyPair.getPublic()));
        // Set certificate extensions
        // (1) digitalSignature extension
        certBuilder.addExtension(Extension.keyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment | KeyUsage.dataEncipherment | KeyUsage.keyAgreement | KeyUsage.nonRepudiation));
        certBuilder.addExtension(Extension.basicConstraints, false, new BasicConstraints(false));
        // (2) extendedKeyUsage extension
        certBuilder.addExtension(Extension.extendedKeyUsage, false, new ExtendedKeyUsage(new KeyPurposeId[] { KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth }));
        // (3) subjectAlternativeName
        if (extensions != null && extensions.getExtension(Extension.subjectAlternativeName) != null) {
            certBuilder.addExtension(Extension.subjectAlternativeName, false, extensions.getExtensionParsedValue(Extension.subjectAlternativeName));
        }
        X509CertificateHolder certificateHolder = certBuilder.build(sigGen);
        return new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME).getCertificate(certificateHolder);
    } catch (CertIOException | NoSuchAlgorithmException | OperatorCreationException e) {
        throw new CertificateException(e);
    }
}

Example 45 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project athenz by yahoo.

the class Crypto method generateX509Certificate.

public static X509Certificate generateX509Certificate(PKCS10CertificationRequest certReq, PrivateKey caPrivateKey, X500Name issuer, int validityTimeout, boolean basicConstraints) {
    // set validity for the given number of minutes from now
    Date notBefore = new Date();
    Calendar cal = Calendar.getInstance();
    cal.setTime(notBefore);
    cal.add(Calendar.MINUTE, validityTimeout);
    Date notAfter = cal.getTime();
    // Generate self-signed certificate
    X509Certificate cert = null;
    try {
        JcaPKCS10CertificationRequest jcaPKCS10CertificationRequest = new JcaPKCS10CertificationRequest(certReq);
        PublicKey publicKey = jcaPKCS10CertificationRequest.getPublicKey();
        X509v3CertificateBuilder caBuilder = new JcaX509v3CertificateBuilder(issuer, BigInteger.valueOf(System.currentTimeMillis()), notBefore, notAfter, certReq.getSubject(), publicKey).addExtension(Extension.basicConstraints, false, new BasicConstraints(basicConstraints)).addExtension(Extension.keyUsage, true, new X509KeyUsage(X509KeyUsage.digitalSignature | X509KeyUsage.keyEncipherment)).addExtension(Extension.extendedKeyUsage, true, new ExtendedKeyUsage(new KeyPurposeId[] { KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth }));
        // see if we have the dns/rfc822/ip address extensions specified in the csr
        ArrayList<GeneralName> altNames = new ArrayList<>();
        Attribute[] certAttributes = jcaPKCS10CertificationRequest.getAttributes(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest);
        if (certAttributes != null && certAttributes.length > 0) {
            for (Attribute attribute : certAttributes) {
                Extensions extensions = Extensions.getInstance(attribute.getAttrValues().getObjectAt(0));
                GeneralNames gns = GeneralNames.fromExtensions(extensions, Extension.subjectAlternativeName);
                if (gns == null) {
                    continue;
                }
                GeneralName[] names = gns.getNames();
                for (int i = 0; i < names.length; i++) {
                    switch(names[i].getTagNo()) {
                        case GeneralName.dNSName:
                        case GeneralName.iPAddress:
                        case GeneralName.rfc822Name:
                            altNames.add(names[i]);
                            break;
                    }
                }
            }
            if (!altNames.isEmpty()) {
                caBuilder.addExtension(Extension.subjectAlternativeName, false, new GeneralNames(altNames.toArray(new GeneralName[altNames.size()])));
            }
        }
        String signatureAlgorithm = getSignatureAlgorithm(caPrivateKey.getAlgorithm(), SHA256);
        ContentSigner caSigner = new JcaContentSignerBuilder(signatureAlgorithm).setProvider(BC_PROVIDER).build(caPrivateKey);
        JcaX509CertificateConverter converter = new JcaX509CertificateConverter().setProvider(BC_PROVIDER);
        cert = converter.getCertificate(caBuilder.build(caSigner));
    } catch (CertificateException ex) {
        LOG.error("generateX509Certificate: Caught CertificateException when generating certificate: " + ex.getMessage());
        throw new CryptoException(ex);
    } catch (OperatorCreationException ex) {
        LOG.error("generateX509Certificate: Caught OperatorCreationException when creating JcaContentSignerBuilder: " + ex.getMessage());
        throw new CryptoException(ex);
    } catch (InvalidKeyException ex) {
        LOG.error("generateX509Certificate: Caught InvalidKeySpecException, invalid key spec is being used: " + ex.getMessage());
        throw new CryptoException(ex);
    } catch (NoSuchAlgorithmException ex) {
        LOG.error("generateX509Certificate: Caught NoSuchAlgorithmException, check to make sure the algorithm is supported by the provider: " + ex.getMessage());
        throw new CryptoException(ex);
    } catch (Exception ex) {
        LOG.error("generateX509Certificate: unable to generate X509 Certificate: " + ex.getMessage());
        throw new CryptoException("Unable to generate X509 Certificate");
    }
    return cert;
}