Example usage for org.bouncycastle.cert.ocsp BasicOCSPResp getResponderId

Introduction

In this page you can find the example usage for org.bouncycastle.cert.ocsp BasicOCSPResp getResponderId.

Prototype

public RespID getResponderId() 

Source Link

Usage

From source file:org.xipki.pki.ocsp.qa.OcspQa.java

License:Open Source License

public ValidationResult checkOcsp(final OCSPResp response, final IssuerHash issuerHash,
        final List<BigInteger> serialNumbers, final Map<BigInteger, byte[]> encodedCerts,
        final OcspError expectedOcspError, final Map<BigInteger, OcspCertStatus> expectedOcspStatuses,
        final OcspResponseOption responseOption) {
    ParamUtil.requireNonNull("response", response);
    ParamUtil.requireNonEmpty("serialNumbers", serialNumbers);
    ParamUtil.requireNonEmpty("expectedOcspStatuses", expectedOcspStatuses);
    ParamUtil.requireNonNull("responseOption", responseOption);

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

    int status = response.getStatus();

    // Response status
    ValidationIssue issue = new ValidationIssue("OCSP.STATUS", "response.status");
    resultIssues.add(issue);//from  w  w  w  . j av a2s. com
    if (expectedOcspError != null) {
        if (status != expectedOcspError.getStatus()) {
            issue.setFailureMessage(
                    "is '" + status + "', but expected '" + expectedOcspError.getStatus() + "'");
        }
    } else {
        if (status != 0) {
            issue.setFailureMessage("is '" + status + "', but expected '0'");
        }
    }

    if (status != 0) {
        return new ValidationResult(resultIssues);
    }

    ValidationIssue encodingIssue = new ValidationIssue("OCSP.ENCODING", "response encoding");
    resultIssues.add(encodingIssue);

    BasicOCSPResp basicResp;
    try {
        basicResp = (BasicOCSPResp) response.getResponseObject();
    } catch (OCSPException ex) {
        encodingIssue.setFailureMessage(ex.getMessage());
        return new ValidationResult(resultIssues);
    }

    SingleResp[] singleResponses = basicResp.getResponses();

    issue = new ValidationIssue("OCSP.RESPONSES.NUM", "number of single responses");
    resultIssues.add(issue);

    if (singleResponses == null || singleResponses.length == 0) {
        issue.setFailureMessage("received no status from server");
        return new ValidationResult(resultIssues);
    }

    final int n = singleResponses.length;
    if (n != serialNumbers.size()) {
        issue.setFailureMessage("is '" + n + "', but expected '" + serialNumbers.size() + "'");
        return new ValidationResult(resultIssues);
    }

    boolean hasSignature = basicResp.getSignature() != null;

    // check the signature if available
    issue = new ValidationIssue("OCSP.SIG", "signature presence");
    resultIssues.add(issue);
    if (!hasSignature) {
        issue.setFailureMessage("response is not signed");
    }

    if (hasSignature) {
        // signature algorithm
        issue = new ValidationIssue("OCSP.SIG.ALG", "signature algorithm");
        resultIssues.add(issue);

        String expectedSigalgo = responseOption.getSignatureAlgName();
        if (expectedSigalgo != null) {
            AlgorithmIdentifier sigAlg = basicResp.getSignatureAlgorithmID();
            try {
                String sigAlgName = AlgorithmUtil.getSignatureAlgoName(sigAlg);
                if (!AlgorithmUtil.equalsAlgoName(sigAlgName, expectedSigalgo)) {
                    issue.setFailureMessage("is '" + sigAlgName + "', but expected '" + expectedSigalgo + "'");
                }
            } catch (NoSuchAlgorithmException ex) {
                issue.setFailureMessage("could not extract the signature algorithm");
            }
        } // end if (expectedSigalgo != null)

        // signer certificate
        ValidationIssue sigSignerCertIssue = new ValidationIssue("OCSP.SIGNERCERT", "signer certificate");
        resultIssues.add(sigSignerCertIssue);

        // signature validation
        ValidationIssue sigValIssue = new ValidationIssue("OCSP.SIG.VALIDATION", "signature validation");
        resultIssues.add(sigValIssue);

        X509CertificateHolder respSigner = null;

        X509CertificateHolder[] responderCerts = basicResp.getCerts();
        if (responderCerts == null || responderCerts.length < 1) {
            sigSignerCertIssue.setFailureMessage("no responder certificate is contained in the response");
            sigValIssue.setFailureMessage("could not find certificate to validate signature");
        } else {
            ResponderID respId = basicResp.getResponderId().toASN1Primitive();
            X500Name respIdByName = respId.getName();
            byte[] respIdByKey = respId.getKeyHash();

            for (X509CertificateHolder cert : responderCerts) {
                if (respIdByName != null) {
                    if (cert.getSubject().equals(respIdByName)) {
                        respSigner = cert;
                    }
                } else {
                    byte[] spkiSha1 = HashAlgoType.SHA1
                            .hash(cert.getSubjectPublicKeyInfo().getPublicKeyData().getBytes());
                    if (Arrays.equals(respIdByKey, spkiSha1)) {
                        respSigner = cert;
                    }
                }

                if (respSigner != null) {
                    break;
                }
            }

            if (respSigner == null) {
                sigSignerCertIssue.setFailureMessage("no responder certificate match the ResponderId");
                sigValIssue.setFailureMessage(
                        "could not find certificate matching the" + " ResponderId to validate signature");
            }
        }

        if (respSigner != null) {
            issue = new ValidationIssue("OCSP.SIGNERCERT.TRUST", "signer certificate validation");
            resultIssues.add(issue);

            for (int i = 0; i < singleResponses.length; i++) {
                SingleResp singleResp = singleResponses[i];
                if (!respSigner.isValidOn(singleResp.getThisUpdate())) {
                    issue.setFailureMessage(
                            String.format("responder certificate is not valid on the thisUpdate[%d]: %s", i,
                                    singleResp.getThisUpdate()));
                }
            } // end for

            X509Certificate respIssuer = responseOption.getRespIssuer();
            if (!issue.isFailed() && respIssuer != null) {
                X509Certificate jceRespSigner;
                try {
                    jceRespSigner = X509Util.toX509Cert(respSigner.toASN1Structure());
                    if (X509Util.issues(respIssuer, jceRespSigner)) {
                        jceRespSigner.verify(respIssuer.getPublicKey());
                    } else {
                        issue.setFailureMessage("responder signer is not trusted");
                    }
                } catch (Exception ex) {
                    issue.setFailureMessage("responder signer is not trusted");
                }
            }

            try {
                PublicKey responderPubKey = KeyUtil.generatePublicKey(respSigner.getSubjectPublicKeyInfo());
                ContentVerifierProvider cvp = securityFactory.getContentVerifierProvider(responderPubKey);
                boolean sigValid = basicResp.isSignatureValid(cvp);
                if (!sigValid) {
                    sigValIssue.setFailureMessage("signature is invalid");
                }
            } catch (Exception ex) {
                sigValIssue.setFailureMessage("could not validate signature");
            }
        } // end if
    } // end if (hasSignature)

    // nonce
    Extension nonceExtn = basicResp.getExtension(OCSPObjectIdentifiers.id_pkix_ocsp_nonce);
    resultIssues.add(checkOccurrence("OCSP.NONCE", nonceExtn, responseOption.getNonceOccurrence()));

    boolean extendedRevoke = basicResp.getExtension(ObjectIdentifiers.id_pkix_ocsp_extendedRevoke) != null;

    for (int i = 0; i < singleResponses.length; i++) {
        SingleResp singleResp = singleResponses[i];
        BigInteger serialNumber = singleResp.getCertID().getSerialNumber();
        OcspCertStatus expectedStatus = expectedOcspStatuses.get(serialNumber);

        byte[] encodedCert = null;
        if (encodedCerts != null) {
            encodedCert = encodedCerts.get(serialNumber);
        }

        List<ValidationIssue> issues = checkSingleCert(i, singleResp, issuerHash, expectedStatus, encodedCert,
                extendedRevoke, responseOption.getNextUpdateOccurrence(),
                responseOption.getCerthashOccurrence(), responseOption.getCerthashAlgId());
        resultIssues.addAll(issues);
    } // end for

    return new ValidationResult(resultIssues);
}

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