Example usage for org.bouncycastle.asn1.x509 Extension cRLDistributionPoints

List of usage examples for org.bouncycastle.asn1.x509 Extension cRLDistributionPoints

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.x509 Extension cRLDistributionPoints.

Prototype

ASN1ObjectIdentifier cRLDistributionPoints

To view the source code for org.bouncycastle.asn1.x509 Extension cRLDistributionPoints.

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Document

CRL Distribution Points

Usage

From source file:org.xipki.pki.ca.certprofile.test.ProfileConfCreatorDemo.java

License:Open Source License

private static X509ProfileType certprofileMultipleOus() throws Exception {
    X509ProfileType profile = getBaseProfile("Certprofile Multiple OUs DEMO", X509CertLevel.EndEntity, "5y",
            false);/*from  w  ww. j  a  va 2s .c  om*/

    // Subject
    Subject subject = profile.getSubject();
    subject.setIncSerialNumber(false);

    List<RdnType> rdnControls = subject.getRdn();
    rdnControls.add(createRdn(ObjectIdentifiers.DN_C, 1, 1, new String[] { "DE|FR" }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_O, 1, 1));

    final String regexOu1 = "[A-Z]{1,1}[\\d]{5,5}";
    final String regexOu2 = "[\\d]{5,5}";
    rdnControls.add(createRdn(ObjectIdentifiers.DN_OU, 2, 2, new String[] { regexOu1, regexOu2 }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_SN, 0, 1, new String[] { REGEX_SN }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_CN, 1, 1));

    // Extensions
    // Extensions - general
    ExtensionsType extensions = profile.getExtensions();
    List<ExtensionType> list = extensions.getExtension();

    list.add(createExtension(Extension.subjectKeyIdentifier, true, false, null));
    list.add(createExtension(Extension.cRLDistributionPoints, false, false, null));
    list.add(createExtension(Extension.freshestCRL, false, false, null));

    // Extensions - basicConstraints
    ExtensionValueType extensionValue = null;
    list.add(createExtension(Extension.basicConstraints, true, true, extensionValue));

    // Extensions - AuthorityInfoAccess
    extensionValue = createAuthorityInfoAccess();
    list.add(createExtension(Extension.authorityInfoAccess, true, false, extensionValue));

    // Extensions - AuthorityKeyIdentifier
    extensionValue = createAuthorityKeyIdentifier(true);
    list.add(createExtension(Extension.authorityKeyIdentifier, true, false, extensionValue));

    // Extensions - keyUsage
    extensionValue = createKeyUsages(new KeyUsageEnum[] { KeyUsageEnum.CONTENT_COMMITMENT }, null);
    list.add(createExtension(Extension.keyUsage, true, true, extensionValue));

    return profile;
}

From source file:org.xipki.pki.ca.certprofile.test.ProfileConfCreatorDemo.java

License:Open Source License

private static X509ProfileType certprofileMultipleValuedRdn() throws Exception {
    X509ProfileType profile = getBaseProfile("Certprofile Multiple Valued RDN", X509CertLevel.EndEntity, "5y",
            false);/*from   w  w  w. ja v a  2 s. c  o m*/

    // Subject
    Subject subject = profile.getSubject();
    subject.setIncSerialNumber(false);

    List<RdnType> rdnControls = subject.getRdn();
    rdnControls.add(createRdn(ObjectIdentifiers.DN_C, 1, 1, new String[] { "DE|FR" }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_O, 1, 1, null, null, null, "group1"));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_OU, 1, 1, null, null, null, "group1"));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_SN, 0, 1, new String[] { REGEX_SN }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_CN, 1, 1));

    // Extensions
    // Extensions - general
    ExtensionsType extensions = profile.getExtensions();
    List<ExtensionType> list = extensions.getExtension();

    list.add(createExtension(Extension.subjectKeyIdentifier, true, false, null));
    list.add(createExtension(Extension.cRLDistributionPoints, false, false, null));
    list.add(createExtension(Extension.freshestCRL, false, false, null));

    // Extensions - basicConstraints
    ExtensionValueType extensionValue = null;
    list.add(createExtension(Extension.basicConstraints, true, true, extensionValue));

    // Extensions - AuthorityInfoAccess
    extensionValue = createAuthorityInfoAccess();
    list.add(createExtension(Extension.authorityInfoAccess, true, false, extensionValue));

    // Extensions - AuthorityKeyIdentifier
    extensionValue = createAuthorityKeyIdentifier(true);
    list.add(createExtension(Extension.authorityKeyIdentifier, true, false, extensionValue));

    // Extensions - keyUsage
    extensionValue = createKeyUsages(new KeyUsageEnum[] { KeyUsageEnum.CONTENT_COMMITMENT }, null);
    list.add(createExtension(Extension.keyUsage, true, true, extensionValue));

    return profile;
}

From source file:org.xipki.pki.ca.certprofile.test.ProfileConfCreatorDemo.java

License:Open Source License

private static X509ProfileType certprofileQc() throws Exception {
    X509ProfileType profile = getBaseProfile("Certprofile QC", X509CertLevel.EndEntity, "5y", false);

    // Subject/* w  ww  . j av  a 2  s.c  o  m*/
    Subject subject = profile.getSubject();
    subject.setIncSerialNumber(false);

    List<RdnType> rdnControls = subject.getRdn();
    rdnControls.add(createRdn(ObjectIdentifiers.DN_C, 1, 1, new String[] { "DE|FR" }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_O, 1, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_organizationIdentifier, 0, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_OU, 0, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_SN, 0, 1, new String[] { REGEX_SN }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_CN, 1, 1));

    // Extensions
    // Extensions - general
    ExtensionsType extensions = profile.getExtensions();

    // Extensions - controls
    List<ExtensionType> list = extensions.getExtension();
    list.add(createExtension(Extension.subjectKeyIdentifier, true, false, null));
    list.add(createExtension(Extension.cRLDistributionPoints, false, false, null));
    list.add(createExtension(Extension.freshestCRL, false, false, null));

    // Extensions - basicConstraints
    ExtensionValueType extensionValue = null;
    list.add(createExtension(Extension.basicConstraints, true, false, extensionValue));

    // Extensions - AuthorityInfoAccess
    extensionValue = createAuthorityInfoAccess();
    list.add(createExtension(Extension.authorityInfoAccess, true, false, extensionValue));

    // Extensions - AuthorityKeyIdentifier
    extensionValue = createAuthorityKeyIdentifier(true);
    list.add(createExtension(Extension.authorityKeyIdentifier, true, false, extensionValue));

    // Extensions - keyUsage
    extensionValue = createKeyUsages(new KeyUsageEnum[] { KeyUsageEnum.CONTENT_COMMITMENT }, null);
    list.add(createExtension(Extension.keyUsage, true, true, extensionValue));

    // Extensions - extenedKeyUsage
    extensionValue = createExtendedKeyUsage(new ASN1ObjectIdentifier[] { ObjectIdentifiers.id_kp_timeStamping },
            null);
    list.add(createExtension(Extension.extendedKeyUsage, true, true, extensionValue));

    // privateKeyUsagePeriod
    extensionValue = createPrivateKeyUsagePeriod("3y");
    list.add(createExtension(Extension.privateKeyUsagePeriod, true, false, extensionValue));

    // QcStatements
    extensionValue = createQcStatements(false);
    list.add(createExtension(Extension.qCStatements, true, false, extensionValue));

    return profile;
}

From source file:org.xipki.pki.ca.certprofile.test.ProfileConfCreatorDemo.java

License:Open Source License

private static X509ProfileType certprofileEeComplex() throws Exception {
    X509ProfileType profile = getBaseProfile("Certprofile EE complex", X509CertLevel.EndEntity, "5y", true);

    // Subject//from   w  w  w . j  a  va2 s  .c om
    Subject subject = profile.getSubject();
    subject.setIncSerialNumber(false);
    subject.setKeepRdnOrder(true);
    List<RdnType> rdnControls = subject.getRdn();
    rdnControls.add(createRdn(ObjectIdentifiers.DN_CN, 1, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_C, 1, 1, new String[] { "DE|FR" }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_O, 1, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_OU, 0, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_SN, 0, 1, new String[] { REGEX_SN }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_DATE_OF_BIRTH, 0, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_POSTAL_ADDRESS, 0, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_UNIQUE_IDENTIFIER, 1, 1));

    // Extensions
    // Extensions - general
    ExtensionsType extensions = profile.getExtensions();

    // Extensions - controls
    List<ExtensionType> list = extensions.getExtension();
    list.add(createExtension(Extension.subjectKeyIdentifier, true, false, null));
    list.add(createExtension(Extension.cRLDistributionPoints, false, false, null));
    list.add(createExtension(Extension.freshestCRL, false, false, null));

    // Extensions - basicConstraints
    ExtensionValueType extensionValue = null;
    list.add(createExtension(Extension.basicConstraints, true, false, extensionValue));

    // Extensions - AuthorityInfoAccess
    extensionValue = createAuthorityInfoAccess();
    list.add(createExtension(Extension.authorityInfoAccess, true, false, extensionValue));

    // Extensions - AuthorityKeyIdentifier
    extensionValue = createAuthorityKeyIdentifier(true);
    list.add(createExtension(Extension.authorityKeyIdentifier, true, false, extensionValue));

    // Extensions - keyUsage
    extensionValue = createKeyUsages(new KeyUsageEnum[] { KeyUsageEnum.DIGITAL_SIGNATURE,
            KeyUsageEnum.DATA_ENCIPHERMENT, KeyUsageEnum.KEY_ENCIPHERMENT }, null);
    list.add(createExtension(Extension.keyUsage, true, true, extensionValue));

    // Extensions - extenedKeyUsage
    extensionValue = createExtendedKeyUsage(new ASN1ObjectIdentifier[] { ObjectIdentifiers.id_kp_serverAuth },
            new ASN1ObjectIdentifier[] { ObjectIdentifiers.id_kp_clientAuth });
    list.add(createExtension(Extension.extendedKeyUsage, true, false, extensionValue));

    // Extension - subjectDirectoryAttributes
    SubjectDirectoryAttributs subjectDirAttrType = new SubjectDirectoryAttributs();
    List<OidWithDescType> attrTypes = subjectDirAttrType.getType();
    attrTypes.add(createOidType(ObjectIdentifiers.DN_COUNTRY_OF_CITIZENSHIP));
    attrTypes.add(createOidType(ObjectIdentifiers.DN_COUNTRY_OF_RESIDENCE));
    attrTypes.add(createOidType(ObjectIdentifiers.DN_GENDER));
    attrTypes.add(createOidType(ObjectIdentifiers.DN_DATE_OF_BIRTH));
    attrTypes.add(createOidType(ObjectIdentifiers.DN_PLACE_OF_BIRTH));
    extensionValue = createExtensionValueType(subjectDirAttrType);
    list.add(createExtension(Extension.subjectDirectoryAttributes, true, false, extensionValue));

    // Extension - Admission
    AdmissionSyntax admissionSyntax = new AdmissionSyntax();
    admissionSyntax.setAdmissionAuthority(
            new GeneralName(new X500Name("C=DE,CN=admissionAuthority level 1")).getEncoded());

    AdmissionsType admissions = new AdmissionsType();
    admissions.setAdmissionAuthority(
            new GeneralName(new X500Name("C=DE,CN=admissionAuthority level 2")).getEncoded());

    NamingAuthorityType namingAuthorityL2 = new NamingAuthorityType();
    namingAuthorityL2.setOid(createOidType(new ASN1ObjectIdentifier("1.2.3.4.5")));
    namingAuthorityL2.setUrl("http://naming-authority-level2.example.org");
    namingAuthorityL2.setText("namingAuthrityText level 2");
    admissions.setNamingAuthority(namingAuthorityL2);

    admissionSyntax.getContentsOfAdmissions().add(admissions);

    ProfessionInfoType pi = new ProfessionInfoType();
    admissions.getProfessionInfo().add(pi);

    pi.getProfessionOid().add(createOidType(new ASN1ObjectIdentifier("1.2.3.4"), "demo oid"));
    pi.getProfessionItem().add("demo item");

    NamingAuthorityType namingAuthorityL3 = new NamingAuthorityType();
    namingAuthorityL3.setOid(createOidType(new ASN1ObjectIdentifier("1.2.3.4.5")));
    namingAuthorityL3.setUrl("http://naming-authority-level3.example.org");
    namingAuthorityL3.setText("namingAuthrityText level 3");
    pi.setNamingAuthority(namingAuthorityL3);
    pi.setAddProfessionInfo(new byte[] { 1, 2, 3, 4 });

    RegistrationNumber regNum = new RegistrationNumber();
    pi.setRegistrationNumber(regNum);
    regNum.setRegex("a*b");

    // check the syntax
    XmlX509CertprofileUtil.buildAdmissionSyntax(false, admissionSyntax);

    extensionValue = createExtensionValueType(admissionSyntax);
    list.add(createExtension(ObjectIdentifiers.id_extension_admission, true, false, extensionValue));

    // restriction
    extensionValue = createRestriction(DirectoryStringType.UTF_8_STRING, "demo restriction");
    list.add(createExtension(ObjectIdentifiers.id_extension_restriction, true, false, extensionValue));

    // additionalInformation
    extensionValue = createAdditionalInformation(DirectoryStringType.UTF_8_STRING,
            "demo additional information");
    list.add(
            createExtension(ObjectIdentifiers.id_extension_additionalInformation, true, false, extensionValue));

    // validationModel
    extensionValue = createConstantExtValue(new ASN1ObjectIdentifier("1.3.6.1.4.1.8301.3.5.1").getEncoded(),
            "chain");
    list.add(createExtension(ObjectIdentifiers.id_extension_validityModel, true, false, extensionValue));

    // privateKeyUsagePeriod
    extensionValue = createPrivateKeyUsagePeriod("3y");
    list.add(createExtension(Extension.privateKeyUsagePeriod, true, false, extensionValue));

    // QcStatements
    extensionValue = createQcStatements(true);
    list.add(createExtension(Extension.qCStatements, true, false, extensionValue));

    // biometricInfo
    extensionValue = createBiometricInfo();
    list.add(createExtension(Extension.biometricInfo, true, false, extensionValue));

    // authorizationTemplate
    extensionValue = createAuthorizationTemplate();
    list.add(
            createExtension(ObjectIdentifiers.id_xipki_ext_authorizationTemplate, true, false, extensionValue));

    // SubjectAltName
    SubjectAltName subjectAltNameMode = new SubjectAltName();

    OtherName otherName = new OtherName();
    otherName.getType().add(createOidType(new ASN1ObjectIdentifier("1.2.3.1"), "dummy oid 1"));
    otherName.getType().add(createOidType(new ASN1ObjectIdentifier("1.2.3.2"), "dummy oid 2"));
    subjectAltNameMode.setOtherName(otherName);
    subjectAltNameMode.setRfc822Name("");
    subjectAltNameMode.setDnsName("");
    subjectAltNameMode.setDirectoryName("");
    subjectAltNameMode.setEdiPartyName("");
    subjectAltNameMode.setUniformResourceIdentifier("");
    subjectAltNameMode.setIpAddress("");
    subjectAltNameMode.setRegisteredID("");

    extensionValue = createExtensionValueType(subjectAltNameMode);
    list.add(createExtension(Extension.subjectAlternativeName, true, false, extensionValue));

    // SubjectInfoAccess
    List<ASN1ObjectIdentifier> accessMethods = new LinkedList<>();
    accessMethods.add(ObjectIdentifiers.id_ad_caRepository);
    for (int i = 0; i < 10; i++) {
        accessMethods.add(new ASN1ObjectIdentifier("2.3.4." + (i + 1)));
    }

    SubjectInfoAccess subjectInfoAccessMode = new SubjectInfoAccess();
    for (ASN1ObjectIdentifier accessMethod : accessMethods) {
        SubjectInfoAccess.Access access = new SubjectInfoAccess.Access();
        subjectInfoAccessMode.getAccess().add(access);
        access.setAccessMethod(createOidType(accessMethod));

        GeneralNameType accessLocation = new GeneralNameType();
        access.setAccessLocation(accessLocation);

        otherName = new OtherName();
        otherName.getType().add(createOidType(new ASN1ObjectIdentifier("1.2.3.1"), "dummy oid 1"));
        otherName.getType().add(createOidType(new ASN1ObjectIdentifier("1.2.3.2"), "dummy oid 2"));
        accessLocation.setOtherName(otherName);
        accessLocation.setRfc822Name("");
        accessLocation.setDnsName("");
        accessLocation.setDirectoryName("");
        accessLocation.setEdiPartyName("");
        accessLocation.setUniformResourceIdentifier("");
        accessLocation.setIpAddress("");
        accessLocation.setRegisteredID("");
    }

    extensionValue = createExtensionValueType(subjectInfoAccessMode);
    list.add(createExtension(Extension.subjectInfoAccess, true, false, extensionValue));
    return profile;
}

From source file:org.xipki.pki.ca.certprofile.test.ProfileConfCreatorDemo.java

License:Open Source License

private static X509ProfileType certprofileMaxTime() throws Exception {
    X509ProfileType profile = getBaseProfile("Certprofile MaxTime", X509CertLevel.EndEntity, "9999y", false);

    // Subject/*  ww  w .  j a  v  a 2s  .  co m*/
    Subject subject = profile.getSubject();
    subject.setDuplicateSubjectPermitted(false);
    subject.setIncSerialNumber(false);

    List<RdnType> rdnControls = subject.getRdn();
    rdnControls.add(createRdn(ObjectIdentifiers.DN_C, 1, 1, new String[] { "DE|FR" }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_O, 1, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_OU, 0, 1));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_SN, 0, 1, new String[] { REGEX_SN }, null, null));
    rdnControls.add(createRdn(ObjectIdentifiers.DN_CN, 1, 1, new String[] { REGEX_FQDN }, null, null));

    // Extensions
    ExtensionsType extensions = profile.getExtensions();
    List<ExtensionType> list = extensions.getExtension();

    list.add(createExtension(Extension.subjectKeyIdentifier, true, false, null));
    list.add(createExtension(Extension.cRLDistributionPoints, false, false, null));
    list.add(createExtension(Extension.freshestCRL, false, false, null));

    // Extensions - basicConstraints
    ExtensionValueType extensionValue = null;
    list.add(createExtension(Extension.basicConstraints, true, true, extensionValue));

    // Extensions - AuthorityInfoAccess
    extensionValue = createAuthorityInfoAccess();
    list.add(createExtension(Extension.authorityInfoAccess, true, false, extensionValue));

    // Extensions - AuthorityKeyIdentifier
    extensionValue = createAuthorityKeyIdentifier(true);
    list.add(createExtension(Extension.authorityKeyIdentifier, true, false, extensionValue));

    // Extensions - keyUsage
    extensionValue = createKeyUsages(new KeyUsageEnum[] { KeyUsageEnum.DIGITAL_SIGNATURE,
            KeyUsageEnum.DATA_ENCIPHERMENT, KeyUsageEnum.KEY_ENCIPHERMENT }, null);
    list.add(createExtension(Extension.keyUsage, true, true, extensionValue));

    return profile;
}

From source file:org.xipki.pki.ca.qa.ExtensionsChecker.java

License:Open Source License

public List<ValidationIssue> checkExtensions(final Certificate cert, final X509IssuerInfo issuerInfo,
        final Extensions requestedExtensions, final X500Name requestedSubject) {
    ParamUtil.requireNonNull("cert", cert);
    ParamUtil.requireNonNull("issuerInfo", issuerInfo);

    X509Certificate jceCert;//  www.j  ava2 s  . c  o  m
    try {
        jceCert = X509Util.toX509Cert(cert);
    } catch (CertificateException ex) {
        throw new IllegalArgumentException("invalid cert: " + ex.getMessage());
    }

    List<ValidationIssue> result = new LinkedList<>();

    // detect the list of extension types in certificate
    Set<ASN1ObjectIdentifier> presentExtenionTypes = getExensionTypes(cert, issuerInfo, requestedExtensions);

    Extensions extensions = cert.getTBSCertificate().getExtensions();
    ASN1ObjectIdentifier[] oids = extensions.getExtensionOIDs();

    if (oids == null) {
        ValidationIssue issue = new ValidationIssue("X509.EXT.GEN", "extension general");
        result.add(issue);
        issue.setFailureMessage("no extension is present");
        return result;
    }

    List<ASN1ObjectIdentifier> certExtTypes = Arrays.asList(oids);

    for (ASN1ObjectIdentifier extType : presentExtenionTypes) {
        if (!certExtTypes.contains(extType)) {
            ValidationIssue issue = createExtensionIssue(extType);
            result.add(issue);
            issue.setFailureMessage("extension is absent but is required");
        }
    }

    Map<ASN1ObjectIdentifier, ExtensionControl> extensionControls = certProfile.getExtensionControls();
    for (ASN1ObjectIdentifier oid : certExtTypes) {
        ValidationIssue issue = createExtensionIssue(oid);
        result.add(issue);
        if (!presentExtenionTypes.contains(oid)) {
            issue.setFailureMessage("extension is present but is not permitted");
            continue;
        }

        Extension ext = extensions.getExtension(oid);
        StringBuilder failureMsg = new StringBuilder();
        ExtensionControl extControl = extensionControls.get(oid);

        if (extControl.isCritical() != ext.isCritical()) {
            addViolation(failureMsg, "critical", ext.isCritical(), extControl.isCritical());
        }

        byte[] extensionValue = ext.getExtnValue().getOctets();
        try {
            if (Extension.authorityKeyIdentifier.equals(oid)) {
                // AuthorityKeyIdentifier
                checkExtensionIssuerKeyIdentifier(failureMsg, extensionValue, issuerInfo);
            } else if (Extension.subjectKeyIdentifier.equals(oid)) {
                // SubjectKeyIdentifier
                checkExtensionSubjectKeyIdentifier(failureMsg, extensionValue, cert.getSubjectPublicKeyInfo());
            } else if (Extension.keyUsage.equals(oid)) {
                // KeyUsage
                checkExtensionKeyUsage(failureMsg, extensionValue, jceCert.getKeyUsage(), requestedExtensions,
                        extControl);
            } else if (Extension.certificatePolicies.equals(oid)) {
                // CertificatePolicies
                checkExtensionCertificatePolicies(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (Extension.policyMappings.equals(oid)) {
                // Policy Mappings
                checkExtensionPolicyMappings(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (Extension.subjectAlternativeName.equals(oid)) {
                // SubjectAltName
                checkExtensionSubjectAltName(failureMsg, extensionValue, requestedExtensions, extControl,
                        requestedSubject);
            } else if (Extension.subjectDirectoryAttributes.equals(oid)) {
                // SubjectDirectoryAttributes
                checkExtensionSubjectDirAttrs(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (Extension.issuerAlternativeName.equals(oid)) {
                // IssuerAltName
                checkExtensionIssuerAltNames(failureMsg, extensionValue, issuerInfo);
            } else if (Extension.basicConstraints.equals(oid)) {
                // Basic Constraints
                checkExtensionBasicConstraints(failureMsg, extensionValue);
            } else if (Extension.nameConstraints.equals(oid)) {
                // Name Constraints
                checkExtensionNameConstraints(failureMsg, extensionValue, extensions, extControl);
            } else if (Extension.policyConstraints.equals(oid)) {
                // PolicyConstrains
                checkExtensionPolicyConstraints(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (Extension.extendedKeyUsage.equals(oid)) {
                // ExtendedKeyUsage
                checkExtensionExtendedKeyUsage(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (Extension.cRLDistributionPoints.equals(oid)) {
                // CRL Distribution Points
                checkExtensionCrlDistributionPoints(failureMsg, extensionValue, issuerInfo);
            } else if (Extension.inhibitAnyPolicy.equals(oid)) {
                // Inhibit anyPolicy
                checkExtensionInhibitAnyPolicy(failureMsg, extensionValue, extensions, extControl);
            } else if (Extension.freshestCRL.equals(oid)) {
                // Freshest CRL
                checkExtensionDeltaCrlDistributionPoints(failureMsg, extensionValue, issuerInfo);
            } else if (Extension.authorityInfoAccess.equals(oid)) {
                // Authority Information Access
                checkExtensionAuthorityInfoAccess(failureMsg, extensionValue, issuerInfo);
            } else if (Extension.subjectInfoAccess.equals(oid)) {
                // SubjectInfoAccess
                checkExtensionSubjectInfoAccess(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (ObjectIdentifiers.id_extension_admission.equals(oid)) {
                // Admission
                checkExtensionAdmission(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (ObjectIdentifiers.id_extension_pkix_ocsp_nocheck.equals(oid)) {
                // ocsp-nocheck
                checkExtensionOcspNocheck(failureMsg, extensionValue);
            } else if (ObjectIdentifiers.id_extension_restriction.equals(oid)) {
                // restriction
                checkExtensionRestriction(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (ObjectIdentifiers.id_extension_additionalInformation.equals(oid)) {
                // additionalInformation
                checkExtensionAdditionalInformation(failureMsg, extensionValue, requestedExtensions,
                        extControl);
            } else if (ObjectIdentifiers.id_extension_validityModel.equals(oid)) {
                // validityModel
                checkExtensionValidityModel(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (Extension.privateKeyUsagePeriod.equals(oid)) {
                // privateKeyUsagePeriod
                checkExtensionPrivateKeyUsagePeriod(failureMsg, extensionValue, jceCert.getNotBefore(),
                        jceCert.getNotAfter());
            } else if (Extension.qCStatements.equals(oid)) {
                // qCStatements
                checkExtensionQcStatements(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (Extension.biometricInfo.equals(oid)) {
                // biometricInfo
                checkExtensionBiometricInfo(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (ObjectIdentifiers.id_pe_tlsfeature.equals(oid)) {
                // tlsFeature
                checkExtensionTlsFeature(failureMsg, extensionValue, requestedExtensions, extControl);
            } else if (ObjectIdentifiers.id_xipki_ext_authorizationTemplate.equals(oid)) {
                // authorizationTemplate
                checkExtensionAuthorizationTemplate(failureMsg, extensionValue, requestedExtensions,
                        extControl);
            } else {
                byte[] expected;
                if (ObjectIdentifiers.id_smimeCapabilities.equals(oid)) {
                    // SMIMECapabilities
                    expected = smimeCapabilities.getValue();
                } else {
                    expected = getExpectedExtValue(oid, requestedExtensions, extControl);
                }

                if (!Arrays.equals(expected, extensionValue)) {
                    addViolation(failureMsg, "extension valus", hex(extensionValue),
                            (expected == null) ? "not present" : hex(expected));
                }
            }

            if (failureMsg.length() > 0) {
                issue.setFailureMessage(failureMsg.toString());
            }

        } catch (IllegalArgumentException | ClassCastException | ArrayIndexOutOfBoundsException ex) {
            LOG.debug("extension value does not have correct syntax", ex);
            issue.setFailureMessage("extension value does not have correct syntax");
        }
    }

    return result;
}

From source file:org.xipki.pki.ca.qa.ExtensionsChecker.java

License:Open Source License

private Set<ASN1ObjectIdentifier> getExensionTypes(final Certificate cert, final X509IssuerInfo issuerInfo,
        final Extensions requestedExtensions) {
    Set<ASN1ObjectIdentifier> types = new HashSet<>();
    // profile required extension types
    Map<ASN1ObjectIdentifier, ExtensionControl> extensionControls = certProfile.getExtensionControls();
    for (ASN1ObjectIdentifier oid : extensionControls.keySet()) {
        if (extensionControls.get(oid).isRequired()) {
            types.add(oid);// www .  jav  a 2 s .  co m
        }
    }

    Set<ASN1ObjectIdentifier> wantedExtensionTypes = new HashSet<>();

    if (requestedExtensions != null) {
        Extension reqExtension = requestedExtensions
                .getExtension(ObjectIdentifiers.id_xipki_ext_cmpRequestExtensions);
        if (reqExtension != null) {
            ExtensionExistence ee = ExtensionExistence.getInstance(reqExtension.getParsedValue());
            types.addAll(ee.getNeedExtensions());
            wantedExtensionTypes.addAll(ee.getWantExtensions());
        }
    }

    if (CollectionUtil.isEmpty(wantedExtensionTypes)) {
        return types;
    }

    // wanted extension types
    // Authority key identifier
    ASN1ObjectIdentifier type = Extension.authorityKeyIdentifier;
    if (wantedExtensionTypes.contains(type)) {
        types.add(type);
    }

    // Subject key identifier
    type = Extension.subjectKeyIdentifier;
    if (wantedExtensionTypes.contains(type)) {
        types.add(type);
    }

    // KeyUsage
    type = Extension.keyUsage;
    if (wantedExtensionTypes.contains(type)) {
        boolean required = false;
        if (requestedExtensions != null && requestedExtensions.getExtension(type) != null) {
            required = true;
        }

        if (!required) {
            Set<KeyUsageControl> requiredKeyusage = getKeyusage(true);
            if (CollectionUtil.isNonEmpty(requiredKeyusage)) {
                required = true;
            }
        }

        if (required) {
            types.add(type);
        }
    }

    // CertificatePolicies
    type = Extension.certificatePolicies;
    if (wantedExtensionTypes.contains(type)) {
        if (certificatePolicies != null) {
            types.add(type);
        }
    }

    // Policy Mappings
    type = Extension.policyMappings;
    if (wantedExtensionTypes.contains(type)) {
        if (policyMappings != null) {
            types.add(type);
        }
    }

    // SubjectAltNames
    type = Extension.subjectAlternativeName;
    if (wantedExtensionTypes.contains(type)) {
        if (requestedExtensions != null && requestedExtensions.getExtension(type) != null) {
            types.add(type);
        }
    }

    // IssuerAltName
    type = Extension.issuerAlternativeName;
    if (wantedExtensionTypes.contains(type)) {
        if (cert.getTBSCertificate().getExtensions().getExtension(Extension.subjectAlternativeName) != null) {
            types.add(type);
        }
    }

    // BasicConstraints
    type = Extension.basicConstraints;
    if (wantedExtensionTypes.contains(type)) {
        types.add(type);
    }

    // Name Constraints
    type = Extension.nameConstraints;
    if (wantedExtensionTypes.contains(type)) {
        if (nameConstraints != null) {
            types.add(type);
        }
    }

    // PolicyConstrains
    type = Extension.policyConstraints;
    if (wantedExtensionTypes.contains(type)) {
        if (policyConstraints != null) {
            types.add(type);
        }
    }

    // ExtendedKeyUsage
    type = Extension.extendedKeyUsage;
    if (wantedExtensionTypes.contains(type)) {
        boolean required = false;
        if (requestedExtensions != null && requestedExtensions.getExtension(type) != null) {
            required = true;
        }

        if (!required) {
            Set<ExtKeyUsageControl> requiredExtKeyusage = getExtKeyusage(true);
            if (CollectionUtil.isNonEmpty(requiredExtKeyusage)) {
                required = true;
            }
        }

        if (required) {
            types.add(type);
        }
    }

    // CRLDistributionPoints
    type = Extension.cRLDistributionPoints;
    if (wantedExtensionTypes.contains(type)) {
        if (issuerInfo.getCrlUrls() != null) {
            types.add(type);
        }
    }

    // Inhibit anyPolicy
    type = Extension.inhibitAnyPolicy;
    if (wantedExtensionTypes.contains(type)) {
        if (inhibitAnyPolicy != null) {
            types.add(type);
        }
    }

    // FreshestCRL
    type = Extension.freshestCRL;
    if (wantedExtensionTypes.contains(type)) {
        if (issuerInfo.getDeltaCrlUrls() != null) {
            types.add(type);
        }
    }

    // AuthorityInfoAccess
    type = Extension.authorityInfoAccess;
    if (wantedExtensionTypes.contains(type)) {
        if (issuerInfo.getOcspUrls() != null) {
            types.add(type);
        }
    }

    // SubjectInfoAccess
    type = Extension.subjectInfoAccess;
    if (wantedExtensionTypes.contains(type)) {
        if (requestedExtensions != null && requestedExtensions.getExtension(type) != null) {
            types.add(type);
        }
    }

    // Admission
    type = ObjectIdentifiers.id_extension_admission;
    if (wantedExtensionTypes.contains(type)) {
        if (certProfile.getAdmission() != null) {
            types.add(type);
        }
    }

    // ocsp-nocheck
    type = ObjectIdentifiers.id_extension_pkix_ocsp_nocheck;
    if (wantedExtensionTypes.contains(type)) {
        types.add(type);
    }

    wantedExtensionTypes.removeAll(types);

    for (ASN1ObjectIdentifier oid : wantedExtensionTypes) {
        if (requestedExtensions != null && requestedExtensions.getExtension(oid) != null) {
            if (constantExtensions.containsKey(oid)) {
                types.add(oid);
            }
        }
    }

    return types;
}

From source file:org.xipki.pki.ca.server.impl.IdentifiedX509Certprofile.java

License:Open Source License

public ExtensionValues getExtensions(@NonNull final X500Name requestedSubject,
        @NonNull final X500Name grantedSubject, @Nullable final Extensions requestedExtensions,
        @NonNull final SubjectPublicKeyInfo publicKeyInfo, @NonNull final PublicCaInfo publicCaInfo,
        @Nullable final X509Certificate crlSignerCert, @NonNull final Date notBefore,
        @NonNull final Date notAfter) throws CertprofileException, BadCertTemplateException {
    ParamUtil.requireNonNull("publicKeyInfo", publicKeyInfo);
    ExtensionValues values = new ExtensionValues();

    Map<ASN1ObjectIdentifier, ExtensionControl> controls = new HashMap<>(certprofile.getExtensionControls());

    Set<ASN1ObjectIdentifier> neededExtTypes = new HashSet<>();
    Set<ASN1ObjectIdentifier> wantedExtTypes = new HashSet<>();
    if (requestedExtensions != null) {
        Extension reqExtension = requestedExtensions
                .getExtension(ObjectIdentifiers.id_xipki_ext_cmpRequestExtensions);
        if (reqExtension != null) {
            ExtensionExistence ee = ExtensionExistence.getInstance(reqExtension.getParsedValue());
            neededExtTypes.addAll(ee.getNeedExtensions());
            wantedExtTypes.addAll(ee.getWantExtensions());
        }//from  ww w  . j a v a  2s.  c o m

        for (ASN1ObjectIdentifier oid : neededExtTypes) {
            if (wantedExtTypes.contains(oid)) {
                wantedExtTypes.remove(oid);
            }

            if (!controls.containsKey(oid)) {
                throw new BadCertTemplateException("could not add needed extension " + oid.getId());
            }
        }
    }

    // SubjectKeyIdentifier
    ASN1ObjectIdentifier extType = Extension.subjectKeyIdentifier;
    ExtensionControl extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        byte[] encodedSpki = publicKeyInfo.getPublicKeyData().getBytes();
        byte[] skiValue = HashAlgoType.SHA1.hash(encodedSpki);
        SubjectKeyIdentifier value = new SubjectKeyIdentifier(skiValue);
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    // Authority key identifier
    extType = Extension.authorityKeyIdentifier;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        byte[] ikiValue = publicCaInfo.getSubjectKeyIdentifer();
        AuthorityKeyIdentifier value = null;
        if (ikiValue != null) {
            if (certprofile.includeIssuerAndSerialInAki()) {
                GeneralNames x509CaSubject = new GeneralNames(new GeneralName(publicCaInfo.getX500Subject()));
                value = new AuthorityKeyIdentifier(ikiValue, x509CaSubject, publicCaInfo.getSerialNumber());
            } else {
                value = new AuthorityKeyIdentifier(ikiValue);
            }
        }

        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    // IssuerAltName
    extType = Extension.issuerAlternativeName;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        GeneralNames value = publicCaInfo.getSubjectAltName();
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    // AuthorityInfoAccess
    extType = Extension.authorityInfoAccess;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        AuthorityInfoAccessControl aiaControl = certprofile.getAiaControl();

        List<String> caIssuers = null;
        if (aiaControl == null || aiaControl.includesCaIssuers()) {
            caIssuers = publicCaInfo.getCaCertUris();
        }

        List<String> ocspUris = null;
        if (aiaControl == null || aiaControl.includesOcsp()) {
            ocspUris = publicCaInfo.getOcspUris();
        }

        if (CollectionUtil.isNonEmpty(caIssuers) || CollectionUtil.isNonEmpty(ocspUris)) {
            AuthorityInformationAccess value = CaUtil.createAuthorityInformationAccess(caIssuers, ocspUris);
            addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
        }
    }

    if (controls.containsKey(Extension.cRLDistributionPoints) || controls.containsKey(Extension.freshestCRL)) {
        X500Name crlSignerSubject = (crlSignerCert == null) ? null
                : X500Name.getInstance(crlSignerCert.getSubjectX500Principal().getEncoded());
        X500Name x500CaPrincipal = publicCaInfo.getX500Subject();

        // CRLDistributionPoints
        extType = Extension.cRLDistributionPoints;
        extControl = controls.remove(extType);
        if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
            if (CollectionUtil.isNonEmpty(publicCaInfo.getCrlUris())) {
                CRLDistPoint value = CaUtil.createCrlDistributionPoints(publicCaInfo.getCrlUris(),
                        x500CaPrincipal, crlSignerSubject);
                addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
            }
        }

        // FreshestCRL
        extType = Extension.freshestCRL;
        extControl = controls.remove(extType);
        if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
            if (CollectionUtil.isNonEmpty(publicCaInfo.getDeltaCrlUris())) {
                CRLDistPoint value = CaUtil.createCrlDistributionPoints(publicCaInfo.getDeltaCrlUris(),
                        x500CaPrincipal, crlSignerSubject);
                addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
            }
        }
    }

    // BasicConstraints
    extType = Extension.basicConstraints;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        BasicConstraints value = CaUtil.createBasicConstraints(certprofile.getCertLevel(),
                certprofile.getPathLenBasicConstraint());
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    // KeyUsage
    extType = Extension.keyUsage;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        Set<KeyUsage> usages = new HashSet<>();
        Set<KeyUsageControl> usageOccs = certprofile.getKeyUsage();
        for (KeyUsageControl k : usageOccs) {
            if (k.isRequired()) {
                usages.add(k.getKeyUsage());
            }
        }

        // the optional KeyUsage will only be set if requested explicitly
        if (requestedExtensions != null && extControl.isRequest()) {
            addRequestedKeyusage(usages, requestedExtensions, usageOccs);
        }

        org.bouncycastle.asn1.x509.KeyUsage value = X509Util.createKeyUsage(usages);
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    // ExtendedKeyUsage
    extType = Extension.extendedKeyUsage;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        List<ASN1ObjectIdentifier> usages = new LinkedList<>();
        Set<ExtKeyUsageControl> usageOccs = certprofile.getExtendedKeyUsages();
        for (ExtKeyUsageControl k : usageOccs) {
            if (k.isRequired()) {
                usages.add(k.getExtKeyUsage());
            }
        }

        // the optional ExtKeyUsage will only be set if requested explicitly
        if (requestedExtensions != null && extControl.isRequest()) {
            addRequestedExtKeyusage(usages, requestedExtensions, usageOccs);
        }

        if (extControl.isCritical() && usages.contains(ObjectIdentifiers.id_anyExtendedKeyUsage)) {
            extControl = new ExtensionControl(false, extControl.isRequired(), extControl.isRequest());
        }

        ExtendedKeyUsage value = X509Util.createExtendedUsage(usages);
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    // ocsp-nocheck
    extType = ObjectIdentifiers.id_extension_pkix_ocsp_nocheck;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        // the extension ocsp-nocheck will only be set if requested explicitly
        DERNull value = DERNull.INSTANCE;
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    // SubjectInfoAccess
    extType = Extension.subjectInfoAccess;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        ASN1Sequence value = null;
        if (requestedExtensions != null && extControl.isRequest()) {
            value = createSubjectInfoAccess(requestedExtensions, certprofile.getSubjectInfoAccessModes());
        }
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }

    ExtensionValues subvalues = certprofile.getExtensions(Collections.unmodifiableMap(controls),
            requestedSubject, grantedSubject, requestedExtensions, notBefore, notAfter);

    Set<ASN1ObjectIdentifier> extTypes = new HashSet<>(controls.keySet());
    for (ASN1ObjectIdentifier type : extTypes) {
        extControl = controls.remove(type);
        boolean addMe = addMe(type, extControl, neededExtTypes, wantedExtTypes);
        if (addMe) {
            ExtensionValue value = null;
            if (requestedExtensions != null && extControl.isRequest()) {
                Extension reqExt = requestedExtensions.getExtension(type);
                if (reqExt != null) {
                    value = new ExtensionValue(reqExt.isCritical(), reqExt.getParsedValue());
                }
            }

            if (value == null) {
                value = subvalues.getExtensionValue(type);
            }

            addExtension(values, type, value, extControl, neededExtTypes, wantedExtTypes);
        }
    }

    Set<ASN1ObjectIdentifier> unprocessedExtTypes = new HashSet<>();
    for (ASN1ObjectIdentifier type : controls.keySet()) {
        if (controls.get(type).isRequired()) {
            unprocessedExtTypes.add(type);
        }
    }

    if (CollectionUtil.isNonEmpty(unprocessedExtTypes)) {
        throw new CertprofileException("could not add required extensions " + toString(unprocessedExtTypes));
    }

    if (CollectionUtil.isNonEmpty(neededExtTypes)) {
        throw new BadCertTemplateException("could not add requested extensions " + toString(neededExtTypes));
    }

    return values;
}

From source file:se.tillvaxtverket.tsltrust.webservice.daemon.ca.CertificationAuthority.java

License:Open Source License

public AaaCertificate createCertificate(AaaCertificate orgCert, BigInteger certSerial,
        AaaCertificate issuerCert, String algorithm, List<Extension> extensions) {

    AaaCertificate cert = null;//from  w  w w  .  jav  a 2 s. com
    // create a new certificate
    try {
        CertRequestModel reqModel = new CertRequestModel();
        reqModel.setIssuerDN(issuerCert.getSubject());
        reqModel.setPublicKey(orgCert.getCert().getPublicKey());
        reqModel.setSerialNumber(certSerial);
        reqModel.setSubjectDN(orgCert.getSubject());
        reqModel.setNotBefore(orgCert.getNotBefore());
        if (issuerCert.getNotAfter().after(orgCert.getNotAfter())) {
            reqModel.setNotAfter(orgCert.getNotAfter());
        } else {
            reqModel.setNotAfter(issuerCert.getNotAfter());
        }

        // Add AKI
        X509ExtensionUtils extUtil = CertUtils.getX509ExtensionUtils();
        AuthorityKeyIdentifier aki = extUtil.createAuthorityKeyIdentifier(issuerCert);
        extensions.add(new Extension(Extension.authorityKeyIdentifier, false, aki.getEncoded("DER")));

        DistributionPoint dp = new DistributionPoint(
                new DistributionPointName(
                        new GeneralNames(new GeneralName(GeneralName.uniformResourceIdentifier, crlDpUrl))),
                null, null);
        CRLDistPoint cdp = new CRLDistPoint(new DistributionPoint[] { dp });
        extensions.add(new Extension(Extension.cRLDistributionPoints, false, cdp.getEncoded("DER")));

        reqModel.setExtensionList(extensions);
        reqModel.setSigner(
                new JcaContentSignerBuilder(algorithm).build((PrivateKey) key_store.getKey(ROOT, KS_PASSWORD)));

        cert = new AaaCertificate(reqModel);
    } catch (Exception ex) {
        cert = null;
        LOG.warning("Error creating the certificate: " + ex.getMessage());
    }

    return cert;
}

From source file:support.revocation.RevocationInfo.java

License:Apache License

/**
 * Creates a new <code>RevocationInfo</code> instance based on the given
 * certificate//from  ww  w.  j  av a  2s .  c  o  m
 * @param certificate
 */
public RevocationInfo(Certificate certificate) {
    if (certificate instanceof X509Certificate)
        try {
            X509Certificate x509cert = (X509Certificate) certificate;

            // process Authority Information Access extension
            // to determine OCSP services
            AuthorityInformationAccess info = AuthorityInformationAccess
                    .getInstance(certificateExtension(x509cert, Extension.authorityInfoAccess.getId()));

            if (info != null)
                for (AccessDescription desc : info.getAccessDescriptions())
                    if (desc.getAccessMethod().equals(AccessDescription.id_ad_ocsp)) {
                        String url = urlFromGeneralName(desc.getAccessLocation());
                        if (url != null)
                            ocsp.add(url);
                    }

            ocsp = Collections.unmodifiableList(ocsp);

            // process CRL Distribution Points extension
            // to determine CRL services
            CRLDistPoint points = CRLDistPoint
                    .getInstance(certificateExtension(x509cert, Extension.cRLDistributionPoints.getId()));

            if (points != null)
                for (DistributionPoint point : points.getDistributionPoints()) {
                    // no support for CRLs issued from another CA
                    GeneralNames crlIssuer = point.getCRLIssuer();
                    if (crlIssuer != null && !crlIssuer.equals(DERNull.INSTANCE))
                        continue;

                    // no support for partial CRLs
                    ReasonFlags reasons = point.getReasons();
                    if (reasons != null && !reasons.equals(DERNull.INSTANCE))
                        continue;

                    // use all distribution points
                    ASN1Encodable names = point.getDistributionPoint().getName();
                    if (names instanceof GeneralNames)
                        for (GeneralName name : ((GeneralNames) names).getNames()) {
                            String url = urlFromGeneralName(name);
                            if (url != null)
                                crl.add(url);
                        }
                }

            crl = Collections.unmodifiableList(crl);

            // Authority Key Identifier
            AuthorityKeyIdentifier authorityKeyId = AuthorityKeyIdentifier
                    .getInstance(certificateExtension(x509cert, Extension.authorityKeyIdentifier.getId()));

            if (authorityKeyId != null) {
                byte[] keyidentifier = authorityKeyId.getKeyIdentifier();
                if (keyidentifier != null) {
                    authorityKeyIdentifier = new ArrayList<>(keyidentifier.length);
                    for (byte value : keyidentifier)
                        authorityKeyIdentifier.add(value);
                    authorityKeyIdentifier = Collections.unmodifiableList(authorityKeyIdentifier);
                }

                BigInteger serial = authorityKeyId.getAuthorityCertSerialNumber();
                if (serial != null)
                    authoritySerial = serial.toString();
            }

            // Subject Key Identifier
            SubjectKeyIdentifier subjectKeyId = SubjectKeyIdentifier
                    .getInstance(certificateExtension(x509cert, Extension.subjectKeyIdentifier.getId()));

            if (subjectKeyId != null) {
                byte[] keyidentifier = subjectKeyId.getKeyIdentifier();
                if (keyidentifier != null) {
                    subjectKeyIdentifier = new ArrayList<>(keyidentifier.length);
                    for (byte value : keyidentifier)
                        subjectKeyIdentifier.add(value);
                    subjectKeyIdentifier = Collections.unmodifiableList(subjectKeyIdentifier);
                }
            }

        } catch (ClassCastException | IllegalArgumentException e) {
            e.printStackTrace();
        }
}