Examples with RevokedStatus org.bouncycastle.cert.ocsp.RevokedStatus used on opensource projects

Example 6 with RevokedStatus

use of org.bouncycastle.cert.ocsp.RevokedStatus in project nifi by apache.

the class OcspCertificateValidator method getOcspStatus.

/**
 * Gets the OCSP status for the specified subject and issuer certificates.
 *
 * @param ocspStatusKey status key
 * @return ocsp status
 */
private OcspStatus getOcspStatus(final OcspRequest ocspStatusKey) {
    final X509Certificate subjectCertificate = ocspStatusKey.getSubjectCertificate();
    final X509Certificate issuerCertificate = ocspStatusKey.getIssuerCertificate();
    // initialize the default status
    final OcspStatus ocspStatus = new OcspStatus();
    ocspStatus.setVerificationStatus(VerificationStatus.Unknown);
    ocspStatus.setValidationStatus(ValidationStatus.Unknown);
    try {
        // prepare the request
        final BigInteger subjectSerialNumber = subjectCertificate.getSerialNumber();
        final DigestCalculatorProvider calculatorProviderBuilder = new JcaDigestCalculatorProviderBuilder().setProvider("BC").build();
        final CertificateID certificateId = new CertificateID(calculatorProviderBuilder.get(CertificateID.HASH_SHA1), new X509CertificateHolder(issuerCertificate.getEncoded()), subjectSerialNumber);
        // generate the request
        final OCSPReqBuilder requestGenerator = new OCSPReqBuilder();
        requestGenerator.addRequest(certificateId);
        // Create a nonce to avoid replay attack
        BigInteger nonce = BigInteger.valueOf(System.currentTimeMillis());
        Extension ext = new Extension(OCSPObjectIdentifiers.id_pkix_ocsp_nonce, true, new DEROctetString(nonce.toByteArray()));
        requestGenerator.setRequestExtensions(new Extensions(new Extension[] { ext }));
        final OCSPReq ocspRequest = requestGenerator.build();
        // perform the request
        final Response response = getClientResponse(ocspRequest);
        // ensure the request was completed successfully
        if (Response.Status.OK.getStatusCode() != response.getStatusInfo().getStatusCode()) {
            logger.warn(String.format("OCSP request was unsuccessful (%s).", response.getStatus()));
            return ocspStatus;
        }
        // interpret the response
        OCSPResp ocspResponse = new OCSPResp(response.readEntity(InputStream.class));
        // verify the response status
        switch(ocspResponse.getStatus()) {
            case OCSPRespBuilder.SUCCESSFUL:
                ocspStatus.setResponseStatus(OcspStatus.ResponseStatus.Successful);
                break;
            case OCSPRespBuilder.INTERNAL_ERROR:
                ocspStatus.setResponseStatus(OcspStatus.ResponseStatus.InternalError);
                break;
            case OCSPRespBuilder.MALFORMED_REQUEST:
                ocspStatus.setResponseStatus(OcspStatus.ResponseStatus.MalformedRequest);
                break;
            case OCSPRespBuilder.SIG_REQUIRED:
                ocspStatus.setResponseStatus(OcspStatus.ResponseStatus.SignatureRequired);
                break;
            case OCSPRespBuilder.TRY_LATER:
                ocspStatus.setResponseStatus(OcspStatus.ResponseStatus.TryLater);
                break;
            case OCSPRespBuilder.UNAUTHORIZED:
                ocspStatus.setResponseStatus(OcspStatus.ResponseStatus.Unauthorized);
                break;
            default:
                ocspStatus.setResponseStatus(OcspStatus.ResponseStatus.Unknown);
                break;
        }
        // only proceed if the response was successful
        if (ocspResponse.getStatus() != OCSPRespBuilder.SUCCESSFUL) {
            logger.warn(String.format("OCSP request was unsuccessful (%s).", ocspStatus.getResponseStatus().toString()));
            return ocspStatus;
        }
        // ensure the appropriate response object
        final Object ocspResponseObject = ocspResponse.getResponseObject();
        if (ocspResponseObject == null || !(ocspResponseObject instanceof BasicOCSPResp)) {
            logger.warn(String.format("Unexpected OCSP response object: %s", ocspResponseObject));
            return ocspStatus;
        }
        // get the response object
        final BasicOCSPResp basicOcspResponse = (BasicOCSPResp) ocspResponse.getResponseObject();
        // attempt to locate the responder certificate
        final X509CertificateHolder[] responderCertificates = basicOcspResponse.getCerts();
        if (responderCertificates.length != 1) {
            logger.warn(String.format("Unexpected number of OCSP responder certificates: %s", responderCertificates.length));
            return ocspStatus;
        }
        // get the responder certificate
        final X509Certificate trustedResponderCertificate = getTrustedResponderCertificate(responderCertificates[0], issuerCertificate);
        if (trustedResponderCertificate != null) {
            // verify the response
            if (basicOcspResponse.isSignatureValid(new JcaContentVerifierProviderBuilder().setProvider("BC").build(trustedResponderCertificate.getPublicKey()))) {
                ocspStatus.setVerificationStatus(VerificationStatus.Verified);
            } else {
                ocspStatus.setVerificationStatus(VerificationStatus.Unverified);
            }
        } else {
            ocspStatus.setVerificationStatus(VerificationStatus.Unverified);
        }
        // validate the response
        final SingleResp[] responses = basicOcspResponse.getResponses();
        for (SingleResp singleResponse : responses) {
            final CertificateID responseCertificateId = singleResponse.getCertID();
            final BigInteger responseSerialNumber = responseCertificateId.getSerialNumber();
            if (responseSerialNumber.equals(subjectSerialNumber)) {
                Object certStatus = singleResponse.getCertStatus();
                // interpret the certificate status
                if (CertificateStatus.GOOD == certStatus) {
                    ocspStatus.setValidationStatus(ValidationStatus.Good);
                } else if (certStatus instanceof RevokedStatus) {
                    ocspStatus.setValidationStatus(ValidationStatus.Revoked);
                } else {
                    ocspStatus.setValidationStatus(ValidationStatus.Unknown);
                }
            }
        }
    } catch (final OCSPException | IOException | ProcessingException | OperatorCreationException e) {
        logger.error(e.getMessage(), e);
    } catch (CertificateException e) {
        e.printStackTrace();
    }
    return ocspStatus;
}

Example 7 with RevokedStatus

use of org.bouncycastle.cert.ocsp.RevokedStatus in project pdfbox by apache.

the class OcspHelper method verifyOcspResponse.

/**
 * Verifies the status and the response itself (including nonce), but not the signature.
 *
 * @param ocspResponse to be verified
 * @throws OCSPException
 * @throws RevokedCertificateException
 */
private void verifyOcspResponse(OCSPResp ocspResponse) throws OCSPException, RevokedCertificateException {
    verifyRespStatus(ocspResponse);
    BasicOCSPResp basicResponse = (BasicOCSPResp) ocspResponse.getResponseObject();
    if (basicResponse != null) {
        checkOcspSignature(basicResponse.getCerts()[0], basicResponse);
        checkNonce(basicResponse);
        SingleResp[] responses = basicResponse.getResponses();
        if (responses.length == 1) {
            SingleResp resp = responses[0];
            Object status = resp.getCertStatus();
            if (status instanceof RevokedStatus) {
                throw new RevokedCertificateException("OCSP: Certificate is revoked.");
            } else if (status != CertificateStatus.GOOD) {
                throw new OCSPException("OCSP: Status of Cert is unknown");
            }
        } else {
            throw new OCSPException("OCSP: Recieved " + responses.length + " responses instead of 1!");
        }
    }
}

Example 8 with RevokedStatus

use of org.bouncycastle.cert.ocsp.RevokedStatus in project wso2-synapse by wso2.

the class OCSPVerifierTest method generateOCSPResponse.

/**
 * This makes the corresponding OCSP response to the OCSP request which is sent to the fake CA. If the request
 * has a certificateID which is marked as revoked by the CA, the OCSP response will say that the certificate
 * which is referred to by the request, is revoked.
 *
 * @param request the OCSP request which asks if the certificate is revoked.
 * @param caPrivateKey privateKey of the fake CA.
 * @param caPublicKey  publicKey of the fake CA
 * @param revokedID the ID at fake CA which is checked against the certificateId in the request.
 * @return the created OCSP response by the fake CA.
 * @throws NoSuchProviderException
 * @throws OCSPException
 * @throws OperatorCreationException
 */
private OCSPResp generateOCSPResponse(OCSPReq request, X509CertificateHolder certificateHolder, PrivateKey caPrivateKey, PublicKey caPublicKey, CertificateID revokedID) throws NoSuchProviderException, OCSPException, OperatorCreationException {
    BasicOCSPRespBuilder basicOCSPRespBuilder = new BasicOCSPRespBuilder(new RespID(certificateHolder.getSubject()));
    Extension extension = request.getExtension(new ASN1ObjectIdentifier(OCSPObjectIdentifiers.id_pkix_ocsp.getId()));
    if (extension != null) {
        basicOCSPRespBuilder.setResponseExtensions(new Extensions(extension));
    }
    Req[] requests = request.getRequestList();
    for (Req req : requests) {
        CertificateID certID = req.getCertID();
        if (certID.equals(revokedID)) {
            RevokedStatus revokedStatus = new RevokedStatus(new Date(), CRLReason.privilegeWithdrawn);
            Date nextUpdate = new Date(new Date().getTime() + TestConstants.NEXT_UPDATE_PERIOD);
            basicOCSPRespBuilder.addResponse(certID, revokedStatus, nextUpdate, (Extensions) null);
        } else {
            basicOCSPRespBuilder.addResponse(certID, CertificateStatus.GOOD);
        }
    }
    X509CertificateHolder[] chain = { certificateHolder };
    ContentSigner signer = new JcaContentSignerBuilder("SHA1withRSA").setProvider("BC").build(caPrivateKey);
    BasicOCSPResp basicResp = basicOCSPRespBuilder.build(signer, chain, new Date());
    OCSPRespBuilder builder = new OCSPRespBuilder();
    return builder.build(OCSPRespBuilder.SUCCESSFUL, basicResp);
}