Examples with Attribute com.github.zhenwei.core.asn1.pkcs.Attribute used on opensource projects

Example 21 with Attribute

use of com.github.zhenwei.core.asn1.pkcs.Attribute 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 22 with Attribute

use of com.github.zhenwei.core.asn1.pkcs.Attribute 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 23 with Attribute

use of com.github.zhenwei.core.asn1.pkcs.Attribute in project LinLong-Java by zhenwei1108.

the class Attribute method toASN1Primitive.

/**
 * Produce an object suitable for an ASN1OutputStream.
 * <pre>
 * Attribute ::= SEQUENCE {
 *     attrType OBJECT IDENTIFIER,
 *     attrValues SET OF AttributeValue
 * }
 * </pre>
 */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(2);
    v.add(attrType);
    v.add(attrValues);
    return new DERSequence(v);
}

Example 24 with Attribute

use of com.github.zhenwei.core.asn1.pkcs.Attribute in project LinLong-Java by zhenwei1108.

the class AttributeCertificateInfo method toASN1Primitive.

/**
 * Produce an object suitable for an ASN1OutputStream.
 * <pre>
 *  AttributeCertificateInfo ::= SEQUENCE {
 *       version              AttCertVersion -- version is v2,
 *       holder               Holder,
 *       issuer               AttCertIssuer,
 *       signature            AlgorithmIdentifier,
 *       serialNumber         CertificateSerialNumber,
 *       attrCertValidityPeriod   AttCertValidityPeriod,
 *       attributes           SEQUENCE OF Attribute,
 *       issuerUniqueID       UniqueIdentifier OPTIONAL,
 *       extensions           Extensions OPTIONAL
 *  }
 *
 *  AttCertVersion ::= INTEGER { v2(1) }
 * </pre>
 */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(9);
    if (!version.hasValue(0)) {
        v.add(version);
    }
    v.add(holder);
    v.add(issuer);
    v.add(signature);
    v.add(serialNumber);
    v.add(attrCertValidityPeriod);
    v.add(attributes);
    if (issuerUniqueID != null) {
        v.add(issuerUniqueID);
    }
    if (extensions != null) {
        v.add(extensions);
    }
    return new DERSequence(v);
}

Example 25 with Attribute

use of com.github.zhenwei.core.asn1.pkcs.Attribute in project LinLong-Java by zhenwei1108.

the class X509AttributeCertificateHolder method getAttributes.

/**
 * Return the attributes, if any associated with this request.
 *
 * @return an array of Attribute, zero length if none present.
 */
public Attribute[] getAttributes() {
    ASN1Sequence seq = attrCert.getAcinfo().getAttributes();
    Attribute[] attrs = new Attribute[seq.size()];
    for (int i = 0; i != seq.size(); i++) {
        attrs[i] = Attribute.getInstance(seq.getObjectAt(i));
    }
    return attrs;
}