Examples with ExtensionsGenerator org.spongycastle.asn1.x509.ExtensionsGenerator used on opensource projects

Example 6 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project certmgr by hdecarne.

the class PKCS10CertificateRequest method generateCSR.

/**
 * Generate a CSR object.
 *
 * @param dn The CSR's Distinguished Name (DN).
 * @param key The CSR's key pair
 * @param extensions The CRT's extension objects.
 * @param signatureAlgorithm The signature algorithm to use.
 * @return The generated CSR object.
 * @throws IOException if an error occurs during generation.
 */
public static PKCS10CertificateRequest generateCSR(X500Principal dn, KeyPair key, List<X509ExtensionData> extensions, SignatureAlgorithm signatureAlgorithm) throws IOException {
    LOG.info("CSR generation ''{0}'' started...", dn);
    // Initialize CSR builder
    PKCS10CertificationRequestBuilder csrBuilder = new JcaPKCS10CertificationRequestBuilder(dn, key.getPublic());
    // Add custom extension objects
    ExtensionsGenerator extensionGenerator = new ExtensionsGenerator();
    for (X509ExtensionData extensionData : extensions) {
        extensionGenerator.addExtension(new ASN1ObjectIdentifier(extensionData.oid()), extensionData.getCritical(), extensionData.encode());
    }
    csrBuilder.addAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extensionGenerator.generate());
    PKCS10CertificateRequest csr;
    try {
        // Sign CSR
        ContentSigner csrSigner;
        csrSigner = new JcaContentSignerBuilder(signatureAlgorithm.algorithm()).build(key.getPrivate());
        csr = fromPKCS10(csrBuilder.build(csrSigner));
    } catch (OperatorCreationException e) {
        throw new CertProviderException(e);
    }
    LOG.info("CSR generation ''{0}'' done", dn);
    return csr;
}

Example 7 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project vespa by vespa-engine.

the class Pkcs10CsrBuilder method build.

public Pkcs10Csr build() {
    try {
        PKCS10CertificationRequestBuilder requestBuilder = new JcaPKCS10CertificationRequestBuilder(subject, keyPair.getPublic());
        ExtensionsGenerator extGen = new ExtensionsGenerator();
        if (basicConstraintsExtension != null) {
            extGen.addExtension(Extension.basicConstraints, basicConstraintsExtension.isCritical, new BasicConstraints(basicConstraintsExtension.isCertAuthorityCertificate));
        }
        if (!subjectAlternativeNames.isEmpty()) {
            GeneralNames generalNames = new GeneralNames(subjectAlternativeNames.stream().map(san -> new GeneralName(GeneralName.dNSName, san)).toArray(GeneralName[]::new));
            extGen.addExtension(Extension.subjectAlternativeName, false, generalNames);
        }
        requestBuilder.addAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extGen.generate());
        ContentSigner contentSigner = new JcaContentSignerBuilder(signatureAlgorithm.getAlgorithmName()).setProvider(BouncyCastleProviderHolder.getInstance()).build(keyPair.getPrivate());
        return new Pkcs10Csr(requestBuilder.build(contentSigner));
    } catch (OperatorCreationException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

Example 8 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project dcos-commons by mesosphere.

the class TLSArtifactsGenerator method generateCSR.

private static byte[] generateCSR(KeyPair keyPair, CertificateNamesGenerator certificateNamesGenerator) throws IOException, OperatorCreationException {
    ExtensionsGenerator extensionsGenerator = new ExtensionsGenerator();
    extensionsGenerator.addExtension(Extension.keyUsage, true, new KeyUsage(KeyUsage.digitalSignature));
    extensionsGenerator.addExtension(Extension.extendedKeyUsage, true, new ExtendedKeyUsage(new KeyPurposeId[] { KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth }));
    extensionsGenerator.addExtension(Extension.subjectAlternativeName, true, certificateNamesGenerator.getSANs());
    PKCS10CertificationRequest csr = new JcaPKCS10CertificationRequestBuilder(certificateNamesGenerator.getSubject(), keyPair.getPublic()).addAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extensionsGenerator.generate()).build(new JcaContentSignerBuilder("SHA256withRSA").build(keyPair.getPrivate()));
    return PEMUtils.toPEM(csr);
}