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

Example 21 with DistributionPointName

use of com.github.zhenwei.core.asn1.x509.DistributionPointName in project module-ballerina-http by ballerina-platform.

the class CRLVerifier method getCrlDistributionPoints.

/**
 * Extracts all CRL distribution point URLs from the "CRL Distribution Point"
 * extension in a X.509 certificate. If CRL distribution point extension is
 * unavailable, returns an empty list.
 */
private List<String> getCrlDistributionPoints(X509Certificate cert) throws CertificateVerificationException {
    // Gets the DER-encoded OCTET string for the extension value for CRLDistributionPoints.
    byte[] crlDPExtensionValue = cert.getExtensionValue(Extension.cRLDistributionPoints.getId());
    if (crlDPExtensionValue == null) {
        throw new CertificateVerificationException("Certificate doesn't have CRL distribution points");
    }
    // crlDPExtensionValue is encoded in ASN.1 format.
    ASN1InputStream asn1In = new ASN1InputStream(crlDPExtensionValue);
    // DER (Distinguished Encoding Rules) is one of ASN.1 encoding rules defined in ITU-T X.690, 2002, specification.
    // ASN.1 encoding rules can be used to encode any data object into a binary file. Read the object in octets.
    CRLDistPoint distPoint;
    try {
        DEROctetString crlDEROctetString = (DEROctetString) asn1In.readObject();
        // Get Input stream in octets.
        distPoint = getOctetInputStream(crlDEROctetString);
    } catch (IOException e) {
        throw new CertificateVerificationException("Cannot read certificate to get CRL URLs", e);
    } finally {
        try {
            asn1In.close();
        } catch (IOException e) {
            LOG.error("Cannot close input stream", e);
        }
    }
    List<String> crlUrls = new ArrayList<>();
    // Loop through ASN1Encodable DistributionPoints.
    for (DistributionPoint dp : distPoint.getDistributionPoints()) {
        // get ASN1Encodable DistributionPointName.
        DistributionPointName dpn = dp.getDistributionPoint();
        if (dpn != null && dpn.getType() == DistributionPointName.FULL_NAME) {
            // Create ASN1Encodable General Names.
            GeneralName[] genNames = GeneralNames.getInstance(dpn.getName()).getNames();
            // Look for a URI
            for (GeneralName genName : genNames) {
                if (genName.getTagNo() == GeneralName.uniformResourceIdentifier) {
                    // DERIA5String contains an ascii string.
                    // A IA5String is a restricted character string type in the ASN.1 notation.
                    String url = DERIA5String.getInstance(genName.getName()).getString().trim();
                    crlUrls.add(url);
                }
            }
        }
    }
    if (crlUrls.isEmpty()) {
        throw new CertificateVerificationException("Cant get CRL urls from certificate");
    }
    return crlUrls;
}

Example 22 with DistributionPointName

use of com.github.zhenwei.core.asn1.x509.DistributionPointName in project zm-mailbox by Zimbra.

the class CertUtil method printCRLDistributionPoints.

private void printCRLDistributionPoints(PrintStream outStream) throws Exception {
    outStream.format("X509v3 CRL Distribution Points: \n");
    // 2.5.29.31
    String extOid = X509Extension.cRLDistributionPoints.getId();
    byte[] extVal = cert.getExtensionValue(extOid);
    if (extVal == null) {
        return;
    }
    /* http://download.oracle.com/javase/6/docs/api/java/security/cert/X509Extension.html#getExtensionValue(java.lang.String)
         *
           The ASN.1 definition for this is:

             Extensions  ::=  SEQUENCE SIZE (1..MAX) OF Extension

             Extension  ::=  SEQUENCE  {
                 extnId        OBJECT IDENTIFIER,
                 critical      BOOLEAN DEFAULT FALSE,
                 extnValue     OCTET STRING
                               -- contains a DER encoding of a value
                               -- of the type registered for use with
                               -- the extnId object identifier value
             }
         */
    byte[] extnValue = DEROctetString.getInstance(ASN1Primitive.fromByteArray(extVal)).getOctets();
    CRLDistPoint crlDistPoint = CRLDistPoint.getInstance(ASN1Primitive.fromByteArray(extnValue));
    DistributionPoint[] distPoints = crlDistPoint.getDistributionPoints();
    for (DistributionPoint distPoint : distPoints) {
        DistributionPointName distPointName = distPoint.getDistributionPoint();
        int type = distPointName.getType();
        if (DistributionPointName.FULL_NAME == type) {
            outStream.format("Full Name: \n");
            GeneralNames generalNames = GeneralNames.getInstance(distPointName.getName());
            GeneralName[] names = generalNames.getNames();
            for (GeneralName generalname : names) {
                int tag = generalname.getTagNo();
                if (GeneralName.uniformResourceIdentifier == tag) {
                    ASN1Encodable name = generalname.getName();
                    DERIA5String str = DERIA5String.getInstance(name);
                    String value = str.getString();
                    outStream.format("    %s\n", value);
                } else {
                    outStream.format("tag %d not yet implemented", tag);
                }
            }
        } else {
            outStream.format("type %d not yet implemented", type);
        }
    }
}

Example 23 with DistributionPointName

use of com.github.zhenwei.core.asn1.x509.DistributionPointName in project XobotOS by xamarin.

the class CertPathValidatorUtilities method addAdditionalStoresFromCRLDistributionPoint.

// BEGIN android-removed
// protected static Collection findCertificates(X509AttributeCertStoreSelector certSelect,
//                                              List certStores)
// throws AnnotatedException
// {
//     Set certs = new HashSet();
//     Iterator iter = certStores.iterator();
//
//     while (iter.hasNext())
//     {
//         Object obj = iter.next();
//
//         if (obj instanceof X509Store)
//         {
//             X509Store certStore = (X509Store)obj;
//             try
//             {
//                 certs.addAll(certStore.getMatches(certSelect));
//             }
//             catch (StoreException e)
//             {
//                 throw
//
//                     new AnnotatedException(
//                         "Problem while picking certificates from X.509 store.", e);
//             }
//         }
//     }
//     return certs;
// }
// END android-removed
protected static void addAdditionalStoresFromCRLDistributionPoint(CRLDistPoint crldp, ExtendedPKIXParameters pkixParams) throws AnnotatedException {
    if (crldp != null) {
        DistributionPoint[] dps = null;
        try {
            dps = crldp.getDistributionPoints();
        } catch (Exception e) {
            throw new AnnotatedException("Distribution points could not be read.", e);
        }
        for (int i = 0; i < dps.length; i++) {
            DistributionPointName dpn = dps[i].getDistributionPoint();
            // look for URIs in fullName
            if (dpn != null) {
                if (dpn.getType() == DistributionPointName.FULL_NAME) {
                    GeneralName[] genNames = GeneralNames.getInstance(dpn.getName()).getNames();
                    // look for an URI
                    for (int j = 0; j < genNames.length; j++) {
                        if (genNames[j].getTagNo() == GeneralName.uniformResourceIdentifier) {
                            String location = DERIA5String.getInstance(genNames[j].getName()).getString();
                            CertPathValidatorUtilities.addAdditionalStoreFromLocation(location, pkixParams);
                        }
                    }
                }
            }
        }
    }
}

Example 24 with DistributionPointName

use of com.github.zhenwei.core.asn1.x509.DistributionPointName in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method checkCRLs.

/**
     * Checks a certificate if it is revoked.
     *
     * @param paramsPKIX       PKIX parameters.
     * @param cert             Certificate to check if it is revoked.
     * @param validDate        The date when the certificate revocation status should be
     *                         checked.
     * @param sign             The issuer certificate of the certificate <code>cert</code>.
     * @param workingPublicKey The public key of the issuer certificate <code>sign</code>.
     * @param certPathCerts    The certificates of the certification path.
     * @throws AnnotatedException if the certificate is revoked or the status cannot be checked
     *                            or some error occurs.
     */
protected static void checkCRLs(ExtendedPKIXParameters paramsPKIX, X509Certificate cert, Date validDate, X509Certificate sign, PublicKey workingPublicKey, List certPathCerts) throws AnnotatedException {
    AnnotatedException lastException = null;
    CRLDistPoint crldp = null;
    try {
        crldp = CRLDistPoint.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.CRL_DISTRIBUTION_POINTS));
    } catch (Exception e) {
        throw new AnnotatedException("CRL distribution point extension could not be read.", e);
    }
    try {
        CertPathValidatorUtilities.addAdditionalStoresFromCRLDistributionPoint(crldp, paramsPKIX);
    } catch (AnnotatedException e) {
        throw new AnnotatedException("No additional CRL locations could be decoded from CRL distribution point extension.", e);
    }
    CertStatus certStatus = new CertStatus();
    ReasonsMask reasonsMask = new ReasonsMask();
    boolean validCrlFound = false;
    // for each distribution point
    if (crldp != null) {
        DistributionPoint[] dps = null;
        try {
            dps = crldp.getDistributionPoints();
        } catch (Exception e) {
            throw new AnnotatedException("Distribution points could not be read.", e);
        }
        if (dps != null) {
            for (int i = 0; i < dps.length && certStatus.getCertStatus() == CertStatus.UNREVOKED && !reasonsMask.isAllReasons(); i++) {
                ExtendedPKIXParameters paramsPKIXClone = (ExtendedPKIXParameters) paramsPKIX.clone();
                try {
                    checkCRL(dps[i], paramsPKIXClone, cert, validDate, sign, workingPublicKey, certStatus, reasonsMask, certPathCerts);
                    validCrlFound = true;
                } catch (AnnotatedException e) {
                    lastException = e;
                }
            }
        }
    }
    if (certStatus.getCertStatus() == CertStatus.UNREVOKED && !reasonsMask.isAllReasons()) {
        try {
            /*
                 * assume a DP with both the reasons and the cRLIssuer fields
                 * omitted and a distribution point name of the certificate
                 * issuer.
                 */
            DERObject issuer = null;
            try {
                issuer = new ASN1InputStream(CertPathValidatorUtilities.getEncodedIssuerPrincipal(cert).getEncoded()).readObject();
            } catch (Exception e) {
                throw new AnnotatedException("Issuer from certificate for CRL could not be reencoded.", e);
            }
            DistributionPoint dp = new DistributionPoint(new DistributionPointName(0, new GeneralNames(new GeneralName(GeneralName.directoryName, issuer))), null, null);
            ExtendedPKIXParameters paramsPKIXClone = (ExtendedPKIXParameters) paramsPKIX.clone();
            checkCRL(dp, paramsPKIXClone, cert, validDate, sign, workingPublicKey, certStatus, reasonsMask, certPathCerts);
            validCrlFound = true;
        } catch (AnnotatedException e) {
            lastException = e;
        }
    }
    if (!validCrlFound) {
        if (lastException instanceof AnnotatedException) {
            throw lastException;
        }
        throw new AnnotatedException("No valid CRL found.", lastException);
    }
    if (certStatus.getCertStatus() != CertStatus.UNREVOKED) {
        String message = "Certificate revocation after " + certStatus.getRevocationDate();
        message += ", reason: " + crlReasons[certStatus.getCertStatus()];
        throw new AnnotatedException(message);
    }
    if (!reasonsMask.isAllReasons() && certStatus.getCertStatus() == CertStatus.UNREVOKED) {
        certStatus.setCertStatus(CertStatus.UNDETERMINED);
    }
    if (certStatus.getCertStatus() == CertStatus.UNDETERMINED) {
        throw new AnnotatedException("Certificate status could not be determined.");
    }
}

Example 25 with DistributionPointName

use of com.github.zhenwei.core.asn1.x509.DistributionPointName in project XobotOS by xamarin.

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((DEREncodable) 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().getDERObject()).getObjects();
                        ASN1EncodableVector vec = new ASN1EncodableVector();
                        while (e.hasMoreElements()) {
                            vec.add((DEREncodable) 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.");
        }
    }
}