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

Example 16 with Extension

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

the class X509CRLObject method getExtensionOIDs.

private Set getExtensionOIDs(boolean critical) {
    if (this.getVersion() == 2) {
        Extensions extensions = c.getTBSCertList().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 (critical == ext.isCritical()) {
                    set.add(oid.getId());
                }
            }
            return set;
        }
    }
    return null;
}

Example 17 with Extension

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

the class RFC3280CertPathUtilities method prepareNextCertG.

protected static void prepareNextCertG(CertPath certPath, int index, PKIXNameConstraintValidator nameConstraintValidator) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    //
    // (g) handle the name constraints extension
    //
    NameConstraints nc = null;
    try {
        ASN1Sequence ncSeq = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.NAME_CONSTRAINTS));
        if (ncSeq != null) {
            nc = NameConstraints.getInstance(ncSeq);
        }
    } catch (Exception e) {
        throw new ExtCertPathValidatorException("Name constraints extension could not be decoded.", e, certPath, index);
    }
    if (nc != null) {
        //
        // (g) (1) permitted subtrees
        //
        GeneralSubtree[] permitted = nc.getPermittedSubtrees();
        if (permitted != null) {
            try {
                nameConstraintValidator.intersectPermittedSubtree(permitted);
            } catch (Exception ex) {
                throw new ExtCertPathValidatorException("Permitted subtrees cannot be build from name constraints extension.", ex, certPath, index);
            }
        }
        //
        // (g) (2) excluded subtrees
        //
        GeneralSubtree[] excluded = nc.getExcludedSubtrees();
        if (excluded != null) {
            for (int i = 0; i != excluded.length; i++) try {
                nameConstraintValidator.addExcludedSubtree(excluded[i]);
            } catch (Exception ex) {
                throw new ExtCertPathValidatorException("Excluded subtrees cannot be build from name constraints extension.", ex, certPath, index);
            }
        }
    }
}

Example 18 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 19 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 20 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.");
        }
    }
}