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

Example 1 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project android by nextcloud.

the class CsrHelper method generateCSR.

/**
 * Create the certificate signing request (CSR) from private and public keys
 *
 * @param keyPair the KeyPair with private and public keys
 * @param userId userId of CSR owner
 * @return PKCS10CertificationRequest with the certificate signing request (CSR) data
 * @throws IOException thrown if key cannot be created
 * @throws OperatorCreationException thrown if contentSigner cannot be build
 */
private static PKCS10CertificationRequest generateCSR(KeyPair keyPair, String userId) throws IOException, OperatorCreationException {
    String principal = "CN=" + userId;
    AsymmetricKeyParameter privateKey = PrivateKeyFactory.createKey(keyPair.getPrivate().getEncoded());
    AlgorithmIdentifier signatureAlgorithm = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA1WITHRSA");
    AlgorithmIdentifier digestAlgorithm = new DefaultDigestAlgorithmIdentifierFinder().find("SHA-1");
    ContentSigner signer = new BcRSAContentSignerBuilder(signatureAlgorithm, digestAlgorithm).build(privateKey);
    PKCS10CertificationRequestBuilder csrBuilder = new JcaPKCS10CertificationRequestBuilder(new X500Name(principal), keyPair.getPublic());
    ExtensionsGenerator extensionsGenerator = new ExtensionsGenerator();
    extensionsGenerator.addExtension(Extension.basicConstraints, true, new BasicConstraints(true));
    csrBuilder.addAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extensionsGenerator.generate());
    return csrBuilder.build(signer);
}

Example 2 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project curiostack by curioswitch.

the class RequestNamespaceCertTask method exec.

@TaskAction
public void exec() {
    ImmutableClusterExtension cluster = getProject().getExtensions().getByType(ClusterExtension.class);
    final KeyPairGenerator keygen;
    try {
        keygen = KeyPairGenerator.getInstance("ECDSA", BouncyCastleProvider.PROVIDER_NAME);
    } catch (NoSuchAlgorithmException | NoSuchProviderException e) {
        throw new IllegalStateException("Could not find RSA, can't happen.", e);
    }
    keygen.initialize(256, new SecureRandom());
    KeyPair keyPair = keygen.generateKeyPair();
    PKCS10CertificationRequestBuilder p10Builder = new JcaPKCS10CertificationRequestBuilder(new X500Principal("CN=" + cluster.namespace() + ".ns.cluster.stellarstation.com"), keyPair.getPublic());
    Stream<GeneralName> generalNames = Streams.concat(Stream.of(new GeneralName(GeneralName.dNSName, "*." + cluster.namespace()), new GeneralName(GeneralName.dNSName, "*." + cluster.namespace() + ".svc"), new GeneralName(GeneralName.dNSName, "*." + cluster.namespace() + ".svc.cluster.local")), cluster.extraNamespaceTlsHosts().stream().map(name -> new GeneralName(GeneralName.dNSName, name)));
    GeneralNames subjectAltNames = new GeneralNames(generalNames.toArray(GeneralName[]::new));
    ExtensionsGenerator extensions = new ExtensionsGenerator();
    try {
        extensions.addExtension(Extension.subjectAlternativeName, false, subjectAltNames);
        p10Builder.setAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extensions.generate());
    } catch (IOException e) {
        throw new IllegalStateException("Could not encode cert name, can't happen.", e);
    }
    final ContentSigner signer;
    try {
        signer = new JcaContentSignerBuilder("SHA256withECDSA").build(keyPair.getPrivate());
    } catch (OperatorCreationException e) {
        throw new IllegalStateException("Could not find signer, can't happen.", e);
    }
    PKCS10CertificationRequest csr = p10Builder.build(signer);
    StringWriter csrWriter = new StringWriter();
    try (JcaPEMWriter pemWriter = new JcaPEMWriter(csrWriter)) {
        pemWriter.writeObject(csr);
    } catch (IOException e) {
        throw new IllegalStateException("Could not encode csr, can't happen.", e);
    }
    String encodedCsr = Base64.getEncoder().encodeToString(csrWriter.toString().getBytes(StandardCharsets.UTF_8));
    Map<Object, Object> csrApiRequest = ImmutableMap.of("apiVersion", "certificates.k8s.io/v1beta1", "kind", "CertificateSigningRequest", "metadata", ImmutableMap.of("name", cluster.namespace() + ".server.crt"), "spec", ImmutableMap.of("request", encodedCsr, "usages", ImmutableList.of("digital signature", "key encipherment", "server auth", "client auth")));
    final byte[] encodedApiRequest;
    try {
        encodedApiRequest = OBJECT_MAPPER.writeValueAsBytes(csrApiRequest);
    } catch (JsonProcessingException e) {
        throw new IllegalStateException("Could not encode yaml", e);
    }
    ImmutableGcloudExtension config = getProject().getRootProject().getExtensions().getByType(GcloudExtension.class);
    String command = config.download() ? CommandUtil.getGcloudSdkBinDir(getProject()).resolve("kubectl").toAbsolutePath().toString() : "kubectl";
    getProject().exec(exec -> {
        exec.executable(command);
        exec.args("create", "-f", "-");
        exec.setStandardInput(new ByteArrayInputStream(encodedApiRequest));
    });
    getProject().exec(exec -> {
        exec.executable(command);
        exec.args("certificate", "approve", cluster.namespace() + ".server.crt");
    });
    // Need to wait a bit for certificate to propagate before fetching.
    try {
        TimeUnit.SECONDS.sleep(5);
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
    // Gradle Exec seems to be flaky when reading from stdout, so use normal ProcessBuilder.
    final byte[] certificateBytes;
    try {
        Process getCertProcess = new ProcessBuilder(command, "get", "csr", cluster.namespace() + ".server.crt", "-o", "jsonpath={.status.certificate}").start();
        certificateBytes = ByteStreams.toByteArray(getCertProcess.getInputStream());
    } catch (IOException e) {
        throw new UncheckedIOException("Could not fetch certificate.", e);
    }
    String certificate = new String(Base64.getDecoder().decode(certificateBytes), StandardCharsets.UTF_8);
    final JcaPKCS8Generator keyGenerator;
    final PemObject keyObject;
    try {
        keyGenerator = new JcaPKCS8Generator(keyPair.getPrivate(), null);
        keyObject = keyGenerator.generate();
    } catch (PemGenerationException e) {
        throw new IllegalStateException("Could not encode to pkcs8.", e);
    }
    StringWriter keyWriter = new StringWriter();
    try (JcaPEMWriter pemWriter = new JcaPEMWriter(keyWriter)) {
        pemWriter.writeObject(keyObject);
    } catch (IOException e) {
        throw new IllegalStateException("Could not encode csr, can't happen.", e);
    }
    String key = keyWriter.toString();
    KubernetesClient client = new DefaultKubernetesClient();
    Secret certificateSecret = new SecretBuilder().withMetadata(new ObjectMetaBuilder().withName("server-tls").withNamespace(cluster.namespace()).build()).withType("Opaque").withData(ImmutableMap.of("server.crt", Base64.getEncoder().encodeToString(certificate.getBytes(StandardCharsets.UTF_8)), "server-key.pem", Base64.getEncoder().encodeToString(key.getBytes(StandardCharsets.UTF_8)))).build();
    client.resource(certificateSecret).createOrReplace();
}

Example 3 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project nifi by apache.

the class TlsHelper method createDomainAlternativeNamesExtensions.

public static Extensions createDomainAlternativeNamesExtensions(String domainAlternativeNames, String requestedDn) throws IOException {
    List<GeneralName> namesList = new ArrayList<>();
    try {
        final String cn = IETFUtils.valueToString(new X500Name(requestedDn).getRDNs(BCStyle.CN)[0].getFirst().getValue());
        namesList.add(new GeneralName(GeneralName.dNSName, cn));
    } catch (Exception e) {
        throw new IOException("Failed to extract CN from request DN: " + requestedDn, e);
    }
    if (StringUtils.isNotBlank(domainAlternativeNames)) {
        for (String alternativeName : domainAlternativeNames.split(",")) {
            namesList.add(new GeneralName(GeneralName.dNSName, alternativeName));
        }
    }
    GeneralNames subjectAltNames = new GeneralNames(namesList.toArray(new GeneralName[] {}));
    ExtensionsGenerator extGen = new ExtensionsGenerator();
    extGen.addExtension(Extension.subjectAlternativeName, false, subjectAltNames);
    return extGen.generate();
}

Example 4 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project candlepin by candlepin.

the class X509CRLStreamWriter method add.

/**
 * Create an entry to be added to the CRL.
 *
 * @param serial
 * @param date
 * @param reason
 * @throws IOException if an entry fails to generate
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public void add(BigInteger serial, Date date, int reason) throws IOException {
    if (locked) {
        throw new IllegalStateException("Cannot add to a locked stream.");
    }
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(new ASN1Integer(serial));
    v.add(new Time(date));
    CRLReason crlReason = CRLReason.getInstance(new ASN1Enumerated(reason));
    ExtensionsGenerator generator = new ExtensionsGenerator();
    generator.addExtension(Extension.reasonCode, false, crlReason);
    v.add(generator.generate());
    newEntries.add(new DERSequence(v));
}

Example 5 with ExtensionsGenerator

use of org.spongycastle.asn1.x509.ExtensionsGenerator in project Openfire by igniterealtime.

the class CertificateManager method createSigningRequest.

/**
 * Creates and returns the content of a new singing request for the specified certificate. Signing
 * requests are required by Certificate Authorities as part of their signing process. The signing request
 * contains information about the certificate issuer, subject DN, subject alternative names and public key.
 * Private keys are not included. After the Certificate Authority verified and signed the certificate a new
 * certificate is going to be returned.
 *
 * @param cert the certificate to create a signing request.
 * @param privKey the private key of the certificate.
 * @return the content of a new singing request for the specified certificate.
 * @throws OperatorCreationException if there was a problem creating the CSR
 * @throws IOException if there was a problem creating the CSR
 * @throws CertificateParsingException if there was a problem creating the CSR
 */
public static String createSigningRequest(X509Certificate cert, PrivateKey privKey) throws OperatorCreationException, IOException, CertificateParsingException {
    JcaPKCS10CertificationRequestBuilder csrBuilder = new // 
    JcaPKCS10CertificationRequestBuilder(// 
    cert.getSubjectX500Principal(), // 
    cert.getPublicKey());
    // Add SubjectAlternativeNames (SANs)
    final ASN1EncodableVector subjectAlternativeNames = new ASN1EncodableVector();
    final Collection<List<?>> certSans = cert.getSubjectAlternativeNames();
    if (certSans != null) {
        for (final List<?> certSan : certSans) {
            final int nameType = (Integer) certSan.get(0);
            // this is either a string, or a byte-array that represents the ASN.1 DER encoded form.
            final Object value = certSan.get(1);
            switch(nameType) {
                case 0:
                    // OtherName: search for "id-on-xmppAddr" or 'sRVName' or 'userPrincipalName'
                    try (final ASN1InputStream decoder = new ASN1InputStream((byte[]) value)) {
                        // By specification, OtherName instances must always be an ASN.1 Sequence.
                        final ASN1Primitive object = decoder.readObject();
                        final ASN1Sequence otherNameSeq = (ASN1Sequence) object;
                        // By specification, an OtherName instance consists of:
                        // - the type-id (which is an Object Identifier), followed by:
                        // - a tagged value, of which the tag number is 0 (zero) and the value is defined by the type-id.
                        final ASN1ObjectIdentifier typeId = (ASN1ObjectIdentifier) otherNameSeq.getObjectAt(0);
                        final ASN1TaggedObject taggedValue = (ASN1TaggedObject) otherNameSeq.getObjectAt(1);
                        final int tagNo = taggedValue.getTagNo();
                        if (tagNo != 0) {
                            throw new IllegalArgumentException("subjectAltName 'otherName' sequence's second object is expected to be a tagged value of which the tag number is 0. The tag number that was detected: " + tagNo);
                        }
                        subjectAlternativeNames.add(new DERTaggedObject(false, GeneralName.otherName, new DERSequence(new ASN1Encodable[] { typeId, taggedValue })));
                    } catch (Exception e) {
                        Log.warn("Unable to parse certificate SAN 'otherName' value", e);
                    }
                    break;
                case 2:
                    // DNS
                    subjectAlternativeNames.add(new GeneralName(GeneralName.dNSName, (String) value));
                    break;
                case 6:
                    // URI
                    subjectAlternativeNames.add(new GeneralName(GeneralName.uniformResourceIdentifier, (String) value));
                    break;
                default:
                    // Not applicable to XMPP, so silently ignore them
                    break;
            }
        }
    }
    final GeneralNames subjectAltNames = GeneralNames.getInstance(new DERSequence(subjectAlternativeNames));
    final ExtensionsGenerator extGen = new ExtensionsGenerator();
    extGen.addExtension(Extension.subjectAlternativeName, false, subjectAltNames);
    csrBuilder.addAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extGen.generate());
    String signatureAlgorithm = "SHA256WITH" + cert.getPublicKey().getAlgorithm();
    ContentSigner signer = new JcaContentSignerBuilder(signatureAlgorithm).build(privKey);
    PKCS10CertificationRequest csr = csrBuilder.build(signer);
    StringWriter string = new StringWriter();
    PemWriter pemWriter = new PemWriter(string);
    PemObjectGenerator objGen = new MiscPEMGenerator(csr);
    pemWriter.writeObject(objGen);
    pemWriter.close();
    return string.toString();
}