Examples with SignerInformationVerifier org.bouncycastle.cms.SignerInformationVerifier used on opensource projects

Example 1 with SignerInformationVerifier

use of org.bouncycastle.cms.SignerInformationVerifier in project jmeter by apache.

the class SMIMEAssertion method verifySignature.

private static AssertionResult verifySignature(SMIMEAssertionTestElement testElement, SMIMESignedParser s, String name) throws CMSException {
    AssertionResult res = new AssertionResult(name);
    try {
        Store certs = s.getCertificates();
        SignerInformationStore signers = s.getSignerInfos();
        Iterator<?> signerIt = signers.getSigners().iterator();
        if (signerIt.hasNext()) {
            SignerInformation signer = (SignerInformation) signerIt.next();
            Iterator<?> certIt = certs.getMatches(signer.getSID()).iterator();
            if (certIt.hasNext()) {
                // the signer certificate
                X509CertificateHolder cert = (X509CertificateHolder) certIt.next();
                if (testElement.isVerifySignature()) {
                    SignerInformationVerifier verifier = null;
                    try {
                        verifier = new JcaSimpleSignerInfoVerifierBuilder().setProvider("BC").build(cert);
                    } catch (OperatorCreationException e) {
                        log.error("Can't create a provider.", e);
                    }
                    if (verifier == null || !signer.verify(verifier)) {
                        res.setFailure(true);
                        res.setFailureMessage("Signature is invalid");
                    }
                }
                if (testElement.isSignerCheckConstraints()) {
                    StringBuilder failureMessage = new StringBuilder();
                    String serial = testElement.getSignerSerial();
                    if (!JOrphanUtils.isBlank(serial)) {
                        BigInteger serialNbr = readSerialNumber(serial);
                        if (!serialNbr.equals(cert.getSerialNumber())) {
                            res.setFailure(true);
                            failureMessage.append("Serial number ").append(serialNbr).append(" does not match serial from signer certificate: ").append(cert.getSerialNumber()).append("\n");
                        }
                    }
                    String email = testElement.getSignerEmail();
                    if (!JOrphanUtils.isBlank(email)) {
                        List<String> emailFromCert = getEmailFromCert(cert);
                        if (!emailFromCert.contains(email)) {
                            res.setFailure(true);
                            failureMessage.append("Email address \"").append(email).append("\" not present in signer certificate\n");
                        }
                    }
                    String subject = testElement.getSignerDn();
                    if (subject.length() > 0) {
                        final X500Name certPrincipal = cert.getSubject();
                        log.debug("DN from cert: {}", certPrincipal);
                        X500Name principal = new X500Name(subject);
                        log.debug("DN from assertion: {}", principal);
                        if (!principal.equals(certPrincipal)) {
                            res.setFailure(true);
                            failureMessage.append("Distinguished name of signer certificate does not match \"").append(subject).append("\"\n");
                        }
                    }
                    String issuer = testElement.getIssuerDn();
                    if (issuer.length() > 0) {
                        final X500Name issuerX500Name = cert.getIssuer();
                        log.debug("IssuerDN from cert: {}", issuerX500Name);
                        X500Name principal = new X500Name(issuer);
                        log.debug("IssuerDN from assertion: {}", principal);
                        if (!principal.equals(issuerX500Name)) {
                            res.setFailure(true);
                            failureMessage.append("Issuer distinguished name of signer certificate does not match \"").append(subject).append("\"\n");
                        }
                    }
                    if (failureMessage.length() > 0) {
                        res.setFailureMessage(failureMessage.toString());
                    }
                }
                if (testElement.isSignerCheckByFile()) {
                    CertificateFactory cf = CertificateFactory.getInstance("X.509");
                    try (InputStream fis = new FileInputStream(testElement.getSignerCertFile());
                        InputStream bis = new BufferedInputStream(fis)) {
                        X509CertificateHolder certFromFile = new JcaX509CertificateHolder((X509Certificate) cf.generateCertificate(bis));
                        if (!certFromFile.equals(cert)) {
                            res.setFailure(true);
                            res.setFailureMessage("Signer certificate does not match certificate " + testElement.getSignerCertFile());
                        }
                    } catch (IOException e) {
                        if (log.isDebugEnabled()) {
                            log.debug("Could not read cert file {}", testElement.getSignerCertFile(), e);
                        }
                        res.setFailure(true);
                        res.setFailureMessage("Could not read certificate file " + testElement.getSignerCertFile());
                    }
                }
            } else {
                res.setFailure(true);
                res.setFailureMessage("No signer certificate found in signature");
            }
        }
        // TODO support multiple signers
        if (signerIt.hasNext()) {
            log.warn("SMIME message contains multiple signers! Checking multiple signers is not supported.");
        }
    } catch (GeneralSecurityException e) {
        log.error(e.getMessage(), e);
        res.setError(true);
        res.setFailureMessage(e.getMessage());
    }
    return res;
}

Example 2 with SignerInformationVerifier

use of org.bouncycastle.cms.SignerInformationVerifier in project poi by apache.

the class TSPTimeStampService method timeStamp.

@SuppressWarnings("unchecked")
public byte[] timeStamp(byte[] data, RevocationData revocationData) throws Exception {
    // digest the message
    MessageDigest messageDigest = CryptoFunctions.getMessageDigest(signatureConfig.getTspDigestAlgo());
    byte[] digest = messageDigest.digest(data);
    // generate the TSP request
    BigInteger nonce = new BigInteger(128, new SecureRandom());
    TimeStampRequestGenerator requestGenerator = new TimeStampRequestGenerator();
    requestGenerator.setCertReq(true);
    String requestPolicy = signatureConfig.getTspRequestPolicy();
    if (requestPolicy != null) {
        requestGenerator.setReqPolicy(new ASN1ObjectIdentifier(requestPolicy));
    }
    ASN1ObjectIdentifier digestAlgoOid = mapDigestAlgoToOID(signatureConfig.getTspDigestAlgo());
    TimeStampRequest request = requestGenerator.generate(digestAlgoOid, digest, nonce);
    byte[] encodedRequest = request.getEncoded();
    // create the HTTP POST request
    Proxy proxy = Proxy.NO_PROXY;
    if (signatureConfig.getProxyUrl() != null) {
        URL proxyUrl = new URL(signatureConfig.getProxyUrl());
        String host = proxyUrl.getHost();
        int port = proxyUrl.getPort();
        proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(InetAddress.getByName(host), (port == -1 ? 80 : port)));
    }
    HttpURLConnection huc = (HttpURLConnection) new URL(signatureConfig.getTspUrl()).openConnection(proxy);
    if (signatureConfig.getTspUser() != null) {
        String userPassword = signatureConfig.getTspUser() + ":" + signatureConfig.getTspPass();
        String encoding = DatatypeConverter.printBase64Binary(userPassword.getBytes(Charset.forName("iso-8859-1")));
        huc.setRequestProperty("Authorization", "Basic " + encoding);
    }
    huc.setRequestMethod("POST");
    huc.setConnectTimeout(20000);
    huc.setReadTimeout(20000);
    // also sets method to POST.
    huc.setDoOutput(true);
    huc.setRequestProperty("User-Agent", signatureConfig.getUserAgent());
    huc.setRequestProperty("Content-Type", signatureConfig.isTspOldProtocol() ? "application/timestamp-request" : // "; charset=ISO-8859-1");
    "application/timestamp-query");
    OutputStream hucOut = huc.getOutputStream();
    hucOut.write(encodedRequest);
    // invoke TSP service
    huc.connect();
    int statusCode = huc.getResponseCode();
    if (statusCode != 200) {
        LOG.log(POILogger.ERROR, "Error contacting TSP server ", signatureConfig.getTspUrl() + ", had status code " + statusCode + "/" + huc.getResponseMessage());
        throw new IOException("Error contacting TSP server " + signatureConfig.getTspUrl() + ", had status code " + statusCode + "/" + huc.getResponseMessage());
    }
    // HTTP input validation
    String contentType = huc.getHeaderField("Content-Type");
    if (null == contentType) {
        throw new RuntimeException("missing Content-Type header");
    }
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    IOUtils.copy(huc.getInputStream(), bos);
    LOG.log(POILogger.DEBUG, "response content: ", HexDump.dump(bos.toByteArray(), 0, 0));
    if (!contentType.startsWith(signatureConfig.isTspOldProtocol() ? "application/timestamp-response" : "application/timestamp-reply")) {
        throw new RuntimeException("invalid Content-Type: " + contentType + // dump the first few bytes
        ": " + HexDump.dump(bos.toByteArray(), 0, 0, 200));
    }
    if (bos.size() == 0) {
        throw new RuntimeException("Content-Length is zero");
    }
    // TSP response parsing and validation
    TimeStampResponse timeStampResponse = new TimeStampResponse(bos.toByteArray());
    timeStampResponse.validate(request);
    if (0 != timeStampResponse.getStatus()) {
        LOG.log(POILogger.DEBUG, "status: " + timeStampResponse.getStatus());
        LOG.log(POILogger.DEBUG, "status string: " + timeStampResponse.getStatusString());
        PKIFailureInfo failInfo = timeStampResponse.getFailInfo();
        if (null != failInfo) {
            LOG.log(POILogger.DEBUG, "fail info int value: " + failInfo.intValue());
            if (/*PKIFailureInfo.unacceptedPolicy*/
            (1 << 8) == failInfo.intValue()) {
                LOG.log(POILogger.DEBUG, "unaccepted policy");
            }
        }
        throw new RuntimeException("timestamp response status != 0: " + timeStampResponse.getStatus());
    }
    TimeStampToken timeStampToken = timeStampResponse.getTimeStampToken();
    SignerId signerId = timeStampToken.getSID();
    BigInteger signerCertSerialNumber = signerId.getSerialNumber();
    X500Name signerCertIssuer = signerId.getIssuer();
    LOG.log(POILogger.DEBUG, "signer cert serial number: " + signerCertSerialNumber);
    LOG.log(POILogger.DEBUG, "signer cert issuer: " + signerCertIssuer);
    // TSP signer certificates retrieval
    Collection<X509CertificateHolder> certificates = timeStampToken.getCertificates().getMatches(null);
    X509CertificateHolder signerCert = null;
    Map<X500Name, X509CertificateHolder> certificateMap = new HashMap<X500Name, X509CertificateHolder>();
    for (X509CertificateHolder certificate : certificates) {
        if (signerCertIssuer.equals(certificate.getIssuer()) && signerCertSerialNumber.equals(certificate.getSerialNumber())) {
            signerCert = certificate;
        }
        certificateMap.put(certificate.getSubject(), certificate);
    }
    // TSP signer cert path building
    if (signerCert == null) {
        throw new RuntimeException("TSP response token has no signer certificate");
    }
    List<X509Certificate> tspCertificateChain = new ArrayList<X509Certificate>();
    JcaX509CertificateConverter x509converter = new JcaX509CertificateConverter();
    x509converter.setProvider("BC");
    X509CertificateHolder certificate = signerCert;
    do {
        LOG.log(POILogger.DEBUG, "adding to certificate chain: " + certificate.getSubject());
        tspCertificateChain.add(x509converter.getCertificate(certificate));
        if (certificate.getSubject().equals(certificate.getIssuer())) {
            break;
        }
        certificate = certificateMap.get(certificate.getIssuer());
    } while (null != certificate);
    // verify TSP signer signature
    X509CertificateHolder holder = new X509CertificateHolder(tspCertificateChain.get(0).getEncoded());
    DefaultCMSSignatureAlgorithmNameGenerator nameGen = new DefaultCMSSignatureAlgorithmNameGenerator();
    DefaultSignatureAlgorithmIdentifierFinder sigAlgoFinder = new DefaultSignatureAlgorithmIdentifierFinder();
    DefaultDigestAlgorithmIdentifierFinder hashAlgoFinder = new DefaultDigestAlgorithmIdentifierFinder();
    BcDigestCalculatorProvider calculator = new BcDigestCalculatorProvider();
    BcRSASignerInfoVerifierBuilder verifierBuilder = new BcRSASignerInfoVerifierBuilder(nameGen, sigAlgoFinder, hashAlgoFinder, calculator);
    SignerInformationVerifier verifier = verifierBuilder.build(holder);
    timeStampToken.validate(verifier);
    // verify TSP signer certificate
    if (signatureConfig.getTspValidator() != null) {
        signatureConfig.getTspValidator().validate(tspCertificateChain, revocationData);
    }
    LOG.log(POILogger.DEBUG, "time-stamp token time: " + timeStampToken.getTimeStampInfo().getGenTime());
    return timeStampToken.getEncoded();
}