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

Example 86 with BasicConstraints

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

the class PKCS11Commands method createCSR.

@Command(name = "CreateCSR", usage = CREATE_CSR)
public void createCSR(String[] args) {
    final String alias = StringArrayUtil.getRequiredValue(args, 0);
    final String commonName = StringArrayUtil.getRequiredValue(args, 1);
    final String subjectAltName = StringArrayUtil.getRequiredValue(args, 2);
    final String keyUsage = StringArrayUtil.getRequiredValue(args, 3);
    // make sure we have a valid keyUsage
    if (!(keyUsage.compareToIgnoreCase("DigitalSignature") == 0 || keyUsage.compareToIgnoreCase("KeyEncipherment") == 0 || keyUsage.compareToIgnoreCase("DualUse") == 0)) {
        System.out.println("Invalid key usage.");
        return;
    }
    final Vector<String> additionalRDNFields = new Vector<String>();
    int cnt = 4;
    String rdnField;
    do {
        rdnField = StringArrayUtil.getOptionalValue(args, cnt++, "");
        if (!StringUtils.isEmpty(rdnField))
            additionalRDNFields.add(rdnField);
    } while (!StringUtils.isEmpty(rdnField));
    try {
        final KeyStore ks = mgr.getKS();
        if (!ks.containsAlias(alias)) {
            System.out.println("Entry with key name " + alias + " does not exist.");
            return;
        }
        final X509Certificate storedCert = (X509Certificate) ks.getCertificate(alias);
        if (storedCert == null) {
            System.out.println("Key name " + alias + " does not contain a certificate that can be exported.  This key may not be an RSA key pair.");
            return;
        }
        final PrivateKey privKey = (PrivateKey) ks.getKey(alias, "".toCharArray());
        if (privKey == null) {
            System.out.println("Failed to object private key.  This key may not be an RSA key pair.");
            return;
        }
        // create the CSR
        //  create the extensions that we want
        final X509ExtensionsGenerator extsGen = new X509ExtensionsGenerator();
        // Key Usage
        int usage;
        if (keyUsage.compareToIgnoreCase("KeyEncipherment") == 0)
            usage = KeyUsage.keyEncipherment;
        else if (keyUsage.compareToIgnoreCase("DigitalSignature") == 0)
            usage = KeyUsage.digitalSignature;
        else
            usage = KeyUsage.keyEncipherment | KeyUsage.digitalSignature;
        extsGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(usage));
        // Subject Alt Name
        int nameType = subjectAltName.contains("@") ? GeneralName.rfc822Name : GeneralName.dNSName;
        final GeneralNames altName = new GeneralNames(new GeneralName(nameType, subjectAltName));
        extsGen.addExtension(X509Extensions.SubjectAlternativeName, false, altName);
        // Extended Key Usage
        final Vector<KeyPurposeId> purposes = new Vector<KeyPurposeId>();
        purposes.add(KeyPurposeId.id_kp_emailProtection);
        extsGen.addExtension(X509Extensions.ExtendedKeyUsage, false, new ExtendedKeyUsage(purposes));
        // Basic constraint
        final BasicConstraints bc = new BasicConstraints(false);
        extsGen.addExtension(X509Extensions.BasicConstraints, true, bc);
        // create the extension requests
        final X509Extensions exts = extsGen.generate();
        final ASN1EncodableVector attributes = new ASN1EncodableVector();
        final Attribute attribute = new Attribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, new DERSet(exts.toASN1Object()));
        attributes.add(attribute);
        final DERSet requestedAttributes = new DERSet(attributes);
        // create the DN
        final StringBuilder dnBuilder = new StringBuilder("CN=").append(commonName);
        for (String field : additionalRDNFields) dnBuilder.append(",").append(field);
        final X500Principal subjectPrin = new X500Principal(dnBuilder.toString());
        final X509Principal xName = new X509Principal(true, subjectPrin.getName());
        // create the CSR
        final PKCS10CertificationRequest request = new PKCS10CertificationRequest("SHA256WITHRSA", xName, storedCert.getPublicKey(), requestedAttributes, privKey, ks.getProvider().getName());
        final byte[] encodedCSR = request.getEncoded();
        final String csrString = "-----BEGIN CERTIFICATE REQUEST-----\r\n" + Base64.encodeBase64String(encodedCSR) + "-----END CERTIFICATE REQUEST-----";
        final File csrFile = new File(alias + "-CSR.pem");
        FileUtils.writeStringToFile(csrFile, csrString);
        System.out.println("CSR written to " + csrFile.getAbsolutePath());
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Failed to create CSR : " + e.getMessage());
    }
}

Example 87 with BasicConstraints

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

the class CertGenerator method createLeafCertificate.

private static CertCreateFields createLeafCertificate(CertCreateFields fields, KeyPair keyPair, boolean addAltNames) throws Exception {
    String altName = "";
    StringBuilder dnBuilder = new StringBuilder();
    // create the DN
    if (fields.getAttributes().containsKey("EMAILADDRESS")) {
        dnBuilder.append("EMAILADDRESS=").append(fields.getAttributes().get("EMAILADDRESS")).append(", ");
        altName = fields.getAttributes().get("EMAILADDRESS").toString();
    }
    if (fields.getAttributes().containsKey("CN"))
        dnBuilder.append("CN=").append(fields.getAttributes().get("CN")).append(", ");
    if (fields.getAttributes().containsKey("C"))
        dnBuilder.append("C=").append(fields.getAttributes().get("C")).append(", ");
    if (fields.getAttributes().containsKey("ST"))
        dnBuilder.append("ST=").append(fields.getAttributes().get("ST")).append(", ");
    if (fields.getAttributes().containsKey("L"))
        dnBuilder.append("L=").append(fields.getAttributes().get("L")).append(", ");
    if (fields.getAttributes().containsKey("O"))
        dnBuilder.append("O=").append(fields.getAttributes().get("O")).append(", ");
    String DN = dnBuilder.toString().trim();
    if (DN.endsWith(","))
        DN = DN.substring(0, DN.length() - 1);
    X509V3CertificateGenerator v1CertGen = new X509V3CertificateGenerator();
    Calendar start = Calendar.getInstance();
    Calendar end = Calendar.getInstance();
    end.add(Calendar.DAY_OF_MONTH, fields.getExpDays());
    // not the best way to do this... generally done with a db file
    v1CertGen.setSerialNumber(BigInteger.valueOf(generatePositiveRandom()));
    // issuer is the parent cert
    v1CertGen.setIssuerDN(fields.getSignerCert().getSubjectX500Principal());
    v1CertGen.setNotBefore(start.getTime());
    v1CertGen.setNotAfter(end.getTime());
    v1CertGen.setSubjectDN(new X509Principal(DN));
    v1CertGen.setPublicKey(keyPair.getPublic());
    v1CertGen.setSignatureAlgorithm("SHA1WithRSAEncryption");
    // pointer to the parent CA
    v1CertGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(fields.getSignerCert()));
    v1CertGen.addExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(keyPair.getPublic()));
    boolean allowToSign = (fields.getAttributes().get("ALLOWTOSIGN") != null && fields.getAttributes().get("ALLOWTOSIGN").toString().equalsIgnoreCase("true"));
    v1CertGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(allowToSign));
    int keyUsage = 0;
    if (fields.getAttributes().get("KEYENC") != null && fields.getAttributes().get("KEYENC").toString().equalsIgnoreCase("true"))
        keyUsage = keyUsage | KeyUsage.keyEncipherment;
    if (fields.getAttributes().get("DIGSIG") != null && fields.getAttributes().get("DIGSIG").toString().equalsIgnoreCase("true"))
        keyUsage = keyUsage | KeyUsage.digitalSignature;
    if (keyUsage > 0)
        v1CertGen.addExtension(X509Extensions.KeyUsage, false, new KeyUsage(keyUsage));
    if (fields.getSignerCert().getSubjectAlternativeNames() != null) {
        for (List<?> names : fields.getSignerCert().getSubjectAlternativeNames()) {
            GeneralNames issuerAltName = new GeneralNames(new GeneralName((Integer) names.get(0), names.get(1).toString()));
            v1CertGen.addExtension(X509Extensions.IssuerAlternativeName, false, issuerAltName);
        }
    }
    if (addAltNames && !altName.isEmpty()) {
        int nameType = altName.contains("@") ? GeneralName.rfc822Name : GeneralName.dNSName;
        GeneralNames subjectAltName = new GeneralNames(new GeneralName(nameType, altName));
        v1CertGen.addExtension(X509Extensions.SubjectAlternativeName, false, subjectAltName);
    }
    // use the CA's private key to sign the certificate
    X509Certificate newCACert = v1CertGen.generate((PrivateKey) fields.getSignerKey(), CryptoExtensions.getJCEProviderName());
    // validate the certificate 
    newCACert.verify(fields.getSignerCert().getPublicKey());
    // write the certificate the file system
    writeCertAndKey(newCACert, keyPair.getPrivate(), fields);
    return fields;
}

Example 88 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 89 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 90 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);
}