Examples with Extensions com.github.zhenwei.core.asn1.x509.Extensions used on opensource projects

Example 86 with Extensions

use of com.github.zhenwei.core.asn1.x509.Extensions in project athenz by AthenZ.

the class Crypto method extractX509CSRIPAddresses.

public static List<String> extractX509CSRIPAddresses(PKCS10CertificationRequest certReq) {
    List<String> ipAddresses = new ArrayList<>();
    Attribute[] attributes = certReq.getAttributes(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest);
    for (Attribute attribute : attributes) {
        for (ASN1Encodable value : attribute.getAttributeValues()) {
            Extensions extensions = Extensions.getInstance(value);
            GeneralNames gns = GeneralNames.fromExtensions(extensions, Extension.subjectAlternativeName);
            if (gns == null) {
                continue;
            }
            for (GeneralName name : gns.getNames()) {
                if (name.getTagNo() == GeneralName.iPAddress) {
                    try {
                        InetAddress addr = InetAddress.getByAddress(((DEROctetString) name.getName()).getOctets());
                        ipAddresses.add(addr.getHostAddress());
                    } catch (UnknownHostException ignored) {
                    }
                }
            }
        }
    }
    return ipAddresses;
}

Example 87 with Extensions

use of com.github.zhenwei.core.asn1.x509.Extensions in project athenz by AthenZ.

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;
    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 (GeneralName name : names) {
                    switch(name.getTagNo()) {
                        case GeneralName.dNSName:
                        case GeneralName.iPAddress:
                        case GeneralName.rfc822Name:
                        case GeneralName.uniformResourceIdentifier:
                            altNames.add(name);
                            break;
                    }
                }
            }
            if (!altNames.isEmpty()) {
                caBuilder.addExtension(Extension.subjectAlternativeName, false, new GeneralNames(altNames.toArray(new GeneralName[0])));
            }
        }
        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;
}

Example 88 with Extensions

use of com.github.zhenwei.core.asn1.x509.Extensions in project athenz by AthenZ.

the class Crypto method extractX509CSRSANField.

private static List<String> extractX509CSRSANField(PKCS10CertificationRequest certReq, int tagNo) {
    List<String> values = new ArrayList<>();
    Attribute[] attributes = certReq.getAttributes(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest);
    for (Attribute attribute : attributes) {
        for (ASN1Encodable value : attribute.getAttributeValues()) {
            Extensions extensions = Extensions.getInstance(value);
            GeneralNames gns = GeneralNames.fromExtensions(extensions, Extension.subjectAlternativeName);
            if (gns == null) {
                continue;
            }
            for (GeneralName name : gns.getNames()) {
                if (name.getTagNo() == tagNo) {
                    values.add(((DERIA5String) name.getName()).getString());
                }
            }
        }
    }
    return values;
}

Example 89 with Extensions

use of com.github.zhenwei.core.asn1.x509.Extensions in project LinLong-Java by zhenwei1108.

the class ResponseData method toASN1Primitive.

/**
 * Produce an object suitable for an ASN1OutputStream.
 * <pre>
 * ResponseData ::= SEQUENCE {
 *     version              [0] EXPLICIT Version DEFAULT v1,
 *     responderID              ResponderID,
 *     producedAt               GeneralizedTime,
 *     responses                SEQUENCE OF SingleResponse,
 *     responseExtensions   [1] EXPLICIT Extensions OPTIONAL }
 * </pre>
 */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(5);
    if (versionPresent || !version.equals(V1)) {
        v.add(new DERTaggedObject(true, 0, version));
    }
    v.add(responderID);
    v.add(producedAt);
    v.add(responses);
    if (responseExtensions != null) {
        v.add(new DERTaggedObject(true, 1, responseExtensions));
    }
    return new DERSequence(v);
}

Example 90 with Extensions

use of com.github.zhenwei.core.asn1.x509.Extensions in project LinLong-Java by zhenwei1108.

the class SingleResponse method toASN1Primitive.

/**
 * Produce an object suitable for an ASN1OutputStream.
 * <pre>
 *  SingleResponse ::= SEQUENCE {
 *          certID                       CertID,
 *          certStatus                   CertStatus,
 *          thisUpdate                   GeneralizedTime,
 *          nextUpdate         [0]       EXPLICIT GeneralizedTime OPTIONAL,
 *          singleExtensions   [1]       EXPLICIT Extensions OPTIONAL }
 * </pre>
 */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(5);
    v.add(certID);
    v.add(certStatus);
    v.add(thisUpdate);
    if (nextUpdate != null) {
        v.add(new DERTaggedObject(true, 0, nextUpdate));
    }
    if (singleExtensions != null) {
        v.add(new DERTaggedObject(true, 1, singleExtensions));
    }
    return new DERSequence(v);
}