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

Example 36 with Extension

use of com.github.zhenwei.core.asn1.x509.Extension in project robovm by robovm.

the class RFC3280CertPathUtilities method prepareNextCertK.

protected static void prepareNextCertK(CertPath certPath, int index) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    //
    // (k)
    //
    BasicConstraints bc = null;
    try {
        bc = BasicConstraints.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.BASIC_CONSTRAINTS));
    } catch (Exception e) {
        throw new ExtCertPathValidatorException("Basic constraints extension cannot be decoded.", e, certPath, index);
    }
    if (bc != null) {
        if (!(bc.isCA())) {
            throw new CertPathValidatorException("Not a CA certificate");
        }
    } else {
        throw new CertPathValidatorException("Intermediate certificate lacks BasicConstraints");
    }
}

Example 37 with Extension

use of com.github.zhenwei.core.asn1.x509.Extension in project robovm by robovm.

the class RFC3280CertPathUtilities method processCertBC.

protected static void processCertBC(CertPath certPath, int index, PKIXNameConstraintValidator nameConstraintValidator) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    int n = certs.size();
    // i as defined in the algorithm description
    int i = n - index;
    //
    if (!(CertPathValidatorUtilities.isSelfIssued(cert) && (i < n))) {
        X500Principal principal = CertPathValidatorUtilities.getSubjectPrincipal(cert);
        ASN1InputStream aIn = new ASN1InputStream(principal.getEncoded());
        ASN1Sequence dns;
        try {
            dns = DERSequence.getInstance(aIn.readObject());
        } catch (Exception e) {
            throw new CertPathValidatorException("Exception extracting subject name when checking subtrees.", e, certPath, index);
        }
        try {
            nameConstraintValidator.checkPermittedDN(dns);
            nameConstraintValidator.checkExcludedDN(dns);
        } catch (PKIXNameConstraintValidatorException e) {
            throw new CertPathValidatorException("Subtree check for certificate subject failed.", e, certPath, index);
        }
        GeneralNames altName = null;
        try {
            altName = GeneralNames.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME));
        } catch (Exception e) {
            throw new CertPathValidatorException("Subject alternative name extension could not be decoded.", e, certPath, index);
        }
        Vector emails = new X509Name(dns).getValues(X509Name.EmailAddress);
        for (Enumeration e = emails.elements(); e.hasMoreElements(); ) {
            String email = (String) e.nextElement();
            GeneralName emailAsGeneralName = new GeneralName(GeneralName.rfc822Name, email);
            try {
                nameConstraintValidator.checkPermitted(emailAsGeneralName);
                nameConstraintValidator.checkExcluded(emailAsGeneralName);
            } catch (PKIXNameConstraintValidatorException ex) {
                throw new CertPathValidatorException("Subtree check for certificate subject alternative email failed.", ex, certPath, index);
            }
        }
        if (altName != null) {
            GeneralName[] genNames = null;
            try {
                genNames = altName.getNames();
            } catch (Exception e) {
                throw new CertPathValidatorException("Subject alternative name contents could not be decoded.", e, certPath, index);
            }
            for (int j = 0; j < genNames.length; j++) {
                try {
                    nameConstraintValidator.checkPermitted(genNames[j]);
                    nameConstraintValidator.checkExcluded(genNames[j]);
                } catch (PKIXNameConstraintValidatorException e) {
                    throw new CertPathValidatorException("Subtree check for certificate subject alternative name failed.", e, certPath, index);
                }
            }
        }
    }
}

Example 38 with Extension

use of com.github.zhenwei.core.asn1.x509.Extension in project robovm by robovm.

the class RFC3280CertPathUtilities method processCRLB2.

/**
     * If the complete CRL includes an issuing distribution point (IDP) CRL
     * extension check the following:
     * <p/>
     * (i) If the distribution point name is present in the IDP CRL extension
     * and the distribution field is present in the DP, then verify that one of
     * the names in the IDP matches one of the names in the DP. If the
     * distribution point name is present in the IDP CRL extension and the
     * distribution field is omitted from the DP, then verify that one of the
     * names in the IDP matches one of the names in the cRLIssuer field of the
     * DP.
     * </p>
     * <p/>
     * (ii) If the onlyContainsUserCerts boolean is asserted in the IDP CRL
     * extension, verify that the certificate does not include the basic
     * constraints extension with the cA boolean asserted.
     * </p>
     * <p/>
     * (iii) If the onlyContainsCACerts boolean is asserted in the IDP CRL
     * extension, verify that the certificate includes the basic constraints
     * extension with the cA boolean asserted.
     * </p>
     * <p/>
     * (iv) Verify that the onlyContainsAttributeCerts boolean is not asserted.
     * </p>
     *
     * @param dp   The distribution point.
     * @param cert The certificate.
     * @param crl  The CRL.
     * @throws AnnotatedException if one of the conditions is not met or an error occurs.
     */
protected static void processCRLB2(DistributionPoint dp, Object cert, X509CRL crl) throws AnnotatedException {
    IssuingDistributionPoint idp = null;
    try {
        idp = IssuingDistributionPoint.getInstance(CertPathValidatorUtilities.getExtensionValue(crl, RFC3280CertPathUtilities.ISSUING_DISTRIBUTION_POINT));
    } catch (Exception e) {
        throw new AnnotatedException("Issuing distribution point extension could not be decoded.", e);
    }
    // distribution point name is present
    if (idp != null) {
        if (idp.getDistributionPoint() != null) {
            // make list of names
            DistributionPointName dpName = IssuingDistributionPoint.getInstance(idp).getDistributionPoint();
            List names = new ArrayList();
            if (dpName.getType() == DistributionPointName.FULL_NAME) {
                GeneralName[] genNames = GeneralNames.getInstance(dpName.getName()).getNames();
                for (int j = 0; j < genNames.length; j++) {
                    names.add(genNames[j]);
                }
            }
            if (dpName.getType() == DistributionPointName.NAME_RELATIVE_TO_CRL_ISSUER) {
                ASN1EncodableVector vec = new ASN1EncodableVector();
                try {
                    Enumeration e = ASN1Sequence.getInstance(ASN1Sequence.fromByteArray(CertPathValidatorUtilities.getIssuerPrincipal(crl).getEncoded())).getObjects();
                    while (e.hasMoreElements()) {
                        vec.add((ASN1Encodable) e.nextElement());
                    }
                } catch (IOException e) {
                    throw new AnnotatedException("Could not read CRL issuer.", e);
                }
                vec.add(dpName.getName());
                names.add(new GeneralName(X509Name.getInstance(new DERSequence(vec))));
            }
            boolean matches = false;
            // of the names in the DP.
            if (dp.getDistributionPoint() != null) {
                dpName = dp.getDistributionPoint();
                GeneralName[] genNames = null;
                if (dpName.getType() == DistributionPointName.FULL_NAME) {
                    genNames = GeneralNames.getInstance(dpName.getName()).getNames();
                }
                if (dpName.getType() == DistributionPointName.NAME_RELATIVE_TO_CRL_ISSUER) {
                    if (dp.getCRLIssuer() != null) {
                        genNames = dp.getCRLIssuer().getNames();
                    } else {
                        genNames = new GeneralName[1];
                        try {
                            genNames[0] = new GeneralName(new X509Name((ASN1Sequence) ASN1Sequence.fromByteArray(CertPathValidatorUtilities.getEncodedIssuerPrincipal(cert).getEncoded())));
                        } catch (IOException e) {
                            throw new AnnotatedException("Could not read certificate issuer.", e);
                        }
                    }
                    for (int j = 0; j < genNames.length; j++) {
                        Enumeration e = ASN1Sequence.getInstance(genNames[j].getName().toASN1Primitive()).getObjects();
                        ASN1EncodableVector vec = new ASN1EncodableVector();
                        while (e.hasMoreElements()) {
                            vec.add((ASN1Encodable) e.nextElement());
                        }
                        vec.add(dpName.getName());
                        genNames[j] = new GeneralName(new X509Name(new DERSequence(vec)));
                    }
                }
                if (genNames != null) {
                    for (int j = 0; j < genNames.length; j++) {
                        if (names.contains(genNames[j])) {
                            matches = true;
                            break;
                        }
                    }
                }
                if (!matches) {
                    throw new AnnotatedException("No match for certificate CRL issuing distribution point name to cRLIssuer CRL distribution point.");
                }
            } else // verify that one of the names in
            // the IDP matches one of the names in the cRLIssuer field of
            // the DP
            {
                if (dp.getCRLIssuer() == null) {
                    throw new AnnotatedException("Either the cRLIssuer or the distributionPoint field must " + "be contained in DistributionPoint.");
                }
                GeneralName[] genNames = dp.getCRLIssuer().getNames();
                for (int j = 0; j < genNames.length; j++) {
                    if (names.contains(genNames[j])) {
                        matches = true;
                        break;
                    }
                }
                if (!matches) {
                    throw new AnnotatedException("No match for certificate CRL issuing distribution point name to cRLIssuer CRL distribution point.");
                }
            }
        }
        BasicConstraints bc = null;
        try {
            bc = BasicConstraints.getInstance(CertPathValidatorUtilities.getExtensionValue((X509Extension) cert, BASIC_CONSTRAINTS));
        } catch (Exception e) {
            throw new AnnotatedException("Basic constraints extension could not be decoded.", e);
        }
        if (cert instanceof X509Certificate) {
            // (b) (2) (ii)
            if (idp.onlyContainsUserCerts() && (bc != null && bc.isCA())) {
                throw new AnnotatedException("CA Cert CRL only contains user certificates.");
            }
            // (b) (2) (iii)
            if (idp.onlyContainsCACerts() && (bc == null || !bc.isCA())) {
                throw new AnnotatedException("End CRL only contains CA certificates.");
            }
        }
        // (b) (2) (iv)
        if (idp.onlyContainsAttributeCerts()) {
            throw new AnnotatedException("onlyContainsAttributeCerts boolean is asserted.");
        }
    }
}

Example 39 with Extension

use of com.github.zhenwei.core.asn1.x509.Extension in project robovm by robovm.

the class RFC3280CertPathUtilities method processCertD.

protected static PKIXPolicyNode processCertD(CertPath certPath, int index, Set acceptablePolicies, PKIXPolicyNode validPolicyTree, List[] policyNodes, int inhibitAnyPolicy) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    int n = certs.size();
    // i as defined in the algorithm description
    int i = n - index;
    //
    // (d) policy Information checking against initial policy and
    // policy mapping
    //
    ASN1Sequence certPolicies = null;
    try {
        certPolicies = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.CERTIFICATE_POLICIES));
    } catch (AnnotatedException e) {
        throw new ExtCertPathValidatorException("Could not read certificate policies extension from certificate.", e, certPath, index);
    }
    if (certPolicies != null && validPolicyTree != null) {
        //
        // (d) (1)
        //
        Enumeration e = certPolicies.getObjects();
        Set pols = new HashSet();
        while (e.hasMoreElements()) {
            PolicyInformation pInfo = PolicyInformation.getInstance(e.nextElement());
            DERObjectIdentifier pOid = pInfo.getPolicyIdentifier();
            pols.add(pOid.getId());
            if (!RFC3280CertPathUtilities.ANY_POLICY.equals(pOid.getId())) {
                Set pq = null;
                try {
                    pq = CertPathValidatorUtilities.getQualifierSet(pInfo.getPolicyQualifiers());
                } catch (CertPathValidatorException ex) {
                    throw new ExtCertPathValidatorException("Policy qualifier info set could not be build.", ex, certPath, index);
                }
                boolean match = CertPathValidatorUtilities.processCertD1i(i, policyNodes, pOid, pq);
                if (!match) {
                    CertPathValidatorUtilities.processCertD1ii(i, policyNodes, pOid, pq);
                }
            }
        }
        if (acceptablePolicies.isEmpty() || acceptablePolicies.contains(RFC3280CertPathUtilities.ANY_POLICY)) {
            acceptablePolicies.clear();
            acceptablePolicies.addAll(pols);
        } else {
            Iterator it = acceptablePolicies.iterator();
            Set t1 = new HashSet();
            while (it.hasNext()) {
                Object o = it.next();
                if (pols.contains(o)) {
                    t1.add(o);
                }
            }
            acceptablePolicies.clear();
            acceptablePolicies.addAll(t1);
        }
        //
        if ((inhibitAnyPolicy > 0) || ((i < n) && CertPathValidatorUtilities.isSelfIssued(cert))) {
            e = certPolicies.getObjects();
            while (e.hasMoreElements()) {
                PolicyInformation pInfo = PolicyInformation.getInstance(e.nextElement());
                if (RFC3280CertPathUtilities.ANY_POLICY.equals(pInfo.getPolicyIdentifier().getId())) {
                    Set _apq = CertPathValidatorUtilities.getQualifierSet(pInfo.getPolicyQualifiers());
                    List _nodes = policyNodes[i - 1];
                    for (int k = 0; k < _nodes.size(); k++) {
                        PKIXPolicyNode _node = (PKIXPolicyNode) _nodes.get(k);
                        Iterator _policySetIter = _node.getExpectedPolicies().iterator();
                        while (_policySetIter.hasNext()) {
                            Object _tmp = _policySetIter.next();
                            String _policy;
                            if (_tmp instanceof String) {
                                _policy = (String) _tmp;
                            } else if (_tmp instanceof DERObjectIdentifier) {
                                _policy = ((DERObjectIdentifier) _tmp).getId();
                            } else {
                                continue;
                            }
                            boolean _found = false;
                            Iterator _childrenIter = _node.getChildren();
                            while (_childrenIter.hasNext()) {
                                PKIXPolicyNode _child = (PKIXPolicyNode) _childrenIter.next();
                                if (_policy.equals(_child.getValidPolicy())) {
                                    _found = true;
                                }
                            }
                            if (!_found) {
                                Set _newChildExpectedPolicies = new HashSet();
                                _newChildExpectedPolicies.add(_policy);
                                PKIXPolicyNode _newChild = new PKIXPolicyNode(new ArrayList(), i, _newChildExpectedPolicies, _node, _apq, _policy, false);
                                _node.addChild(_newChild);
                                policyNodes[i].add(_newChild);
                            }
                        }
                    }
                    break;
                }
            }
        }
        PKIXPolicyNode _validPolicyTree = validPolicyTree;
        //
        for (int j = (i - 1); j >= 0; j--) {
            List nodes = policyNodes[j];
            for (int k = 0; k < nodes.size(); k++) {
                PKIXPolicyNode node = (PKIXPolicyNode) nodes.get(k);
                if (!node.hasChildren()) {
                    _validPolicyTree = CertPathValidatorUtilities.removePolicyNode(_validPolicyTree, policyNodes, node);
                    if (_validPolicyTree == null) {
                        break;
                    }
                }
            }
        }
        //
        // d (4)
        //
        Set criticalExtensionOids = cert.getCriticalExtensionOIDs();
        if (criticalExtensionOids != null) {
            boolean critical = criticalExtensionOids.contains(RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
            List nodes = policyNodes[i];
            for (int j = 0; j < nodes.size(); j++) {
                PKIXPolicyNode node = (PKIXPolicyNode) nodes.get(j);
                node.setCritical(critical);
            }
        }
        return _validPolicyTree;
    }
    return null;
}

Example 40 with Extension

use of com.github.zhenwei.core.asn1.x509.Extension in project robovm by robovm.

the class X509V2AttributeCertificate method getExtensionOIDs.

private Set getExtensionOIDs(boolean critical) {
    Extensions extensions = cert.getAcinfo().getExtensions();
    if (extensions != null) {
        Set set = new HashSet();
        Enumeration e = extensions.oids();
        while (e.hasMoreElements()) {
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
            Extension ext = extensions.getExtension(oid);
            if (ext.isCritical() == critical) {
                set.add(oid.getId());
            }
        }
        return set;
    }
    return null;
}