Examples with X509CertVersion org.xipki.ca.api.profile.x509.X509CertVersion used on opensource projects

Example 1 with X509CertVersion

use of org.xipki.ca.api.profile.x509.X509CertVersion in project xipki by xipki.

the class X509CertprofileQa method checkCert.

// constructor
public ValidationResult checkCert(byte[] certBytes, X509IssuerInfo issuerInfo, X500Name requestedSubject, SubjectPublicKeyInfo requestedPublicKey, Extensions requestedExtensions) {
    ParamUtil.requireNonNull("certBytes", certBytes);
    ParamUtil.requireNonNull("issuerInfo", issuerInfo);
    ParamUtil.requireNonNull("requestedSubject", requestedSubject);
    ParamUtil.requireNonNull("requestedPublicKey", requestedPublicKey);
    List<ValidationIssue> resultIssues = new LinkedList<ValidationIssue>();
    Certificate bcCert;
    TBSCertificate tbsCert;
    X509Certificate cert;
    ValidationIssue issue;
    // certificate size
    issue = new ValidationIssue("X509.SIZE", "certificate size");
    resultIssues.add(issue);
    Integer maxSize = certProfile.getMaxSize();
    if (maxSize != 0) {
        int size = certBytes.length;
        if (size > maxSize) {
            issue.setFailureMessage(String.format("certificate exceeds the maximal allowed size: %d > %d", size, maxSize));
        }
    }
    // certificate encoding
    issue = new ValidationIssue("X509.ENCODING", "certificate encoding");
    resultIssues.add(issue);
    try {
        bcCert = Certificate.getInstance(certBytes);
        tbsCert = bcCert.getTBSCertificate();
        cert = X509Util.parseCert(certBytes);
    } catch (CertificateException ex) {
        issue.setFailureMessage("certificate is not corrected encoded");
        return new ValidationResult(resultIssues);
    }
    // syntax version
    issue = new ValidationIssue("X509.VERSION", "certificate version");
    resultIssues.add(issue);
    int versionNumber = tbsCert.getVersionNumber();
    X509CertVersion expVersion = certProfile.getVersion();
    if (versionNumber != expVersion.getVersionNumber()) {
        issue.setFailureMessage("is '" + versionNumber + "' but expected '" + expVersion.getVersionNumber() + "'");
    }
    // serialNumber
    issue = new ValidationIssue("X509.serialNumber", "certificate serial number");
    resultIssues.add(issue);
    BigInteger serialNumber = tbsCert.getSerialNumber().getValue();
    if (serialNumber.signum() != 1) {
        issue.setFailureMessage("not positive");
    } else {
        if (serialNumber.bitLength() >= 160) {
            issue.setFailureMessage("serial number has more than 20 octets");
        }
    }
    // signatureAlgorithm
    List<String> signatureAlgorithms = certProfile.getSignatureAlgorithms();
    if (CollectionUtil.isNonEmpty(signatureAlgorithms)) {
        issue = new ValidationIssue("X509.SIGALG", "signature algorithm");
        resultIssues.add(issue);
        AlgorithmIdentifier sigAlgId = bcCert.getSignatureAlgorithm();
        AlgorithmIdentifier tbsSigAlgId = tbsCert.getSignature();
        if (!tbsSigAlgId.equals(sigAlgId)) {
            issue.setFailureMessage("Certificate.tbsCertificate.signature != Certificate.signatureAlgorithm");
        }
        try {
            String sigAlgo = AlgorithmUtil.getSignatureAlgoName(sigAlgId);
            if (!issue.isFailed()) {
                if (!signatureAlgorithms.contains(sigAlgo)) {
                    issue.setFailureMessage("signatureAlgorithm '" + sigAlgo + "' is not allowed");
                }
            }
            // check parameters
            if (!issue.isFailed()) {
                AlgorithmIdentifier expSigAlgId = AlgorithmUtil.getSigAlgId(sigAlgo);
                if (!expSigAlgId.equals(sigAlgId)) {
                    issue.setFailureMessage("invalid parameters");
                }
            }
        } catch (NoSuchAlgorithmException ex) {
            issue.setFailureMessage("unsupported signature algorithm " + sigAlgId.getAlgorithm().getId());
        }
    }
    // notBefore encoding
    issue = new ValidationIssue("X509.NOTBEFORE.ENCODING", "notBefore encoding");
    checkTime(tbsCert.getStartDate(), issue);
    // notAfter encoding
    issue = new ValidationIssue("X509.NOTAFTER.ENCODING", "notAfter encoding");
    checkTime(tbsCert.getStartDate(), issue);
    // notBefore
    if (certProfile.isNotBeforeMidnight()) {
        issue = new ValidationIssue("X509.NOTBEFORE", "notBefore midnight");
        resultIssues.add(issue);
        Calendar cal = Calendar.getInstance(UTC);
        cal.setTime(cert.getNotBefore());
        int hourOfDay = cal.get(Calendar.HOUR_OF_DAY);
        int minute = cal.get(Calendar.MINUTE);
        int second = cal.get(Calendar.SECOND);
        if (hourOfDay != 0 || minute != 0 || second != 0) {
            issue.setFailureMessage(" '" + cert.getNotBefore() + "' is not midnight time (UTC)");
        }
    }
    // validity
    issue = new ValidationIssue("X509.VALIDITY", "cert validity");
    resultIssues.add(issue);
    if (cert.getNotAfter().before(cert.getNotBefore())) {
        issue.setFailureMessage("notAfter must not be before notBefore");
    } else if (cert.getNotBefore().before(issuerInfo.getCaNotBefore())) {
        issue.setFailureMessage("notBefore must not be before CA's notBefore");
    } else {
        CertValidity validity = certProfile.getValidity();
        Date expectedNotAfter = validity.add(cert.getNotBefore());
        if (expectedNotAfter.getTime() > MAX_CERT_TIME_MS) {
            expectedNotAfter = new Date(MAX_CERT_TIME_MS);
        }
        if (issuerInfo.isCutoffNotAfter() && expectedNotAfter.after(issuerInfo.getCaNotAfter())) {
            expectedNotAfter = issuerInfo.getCaNotAfter();
        }
        if (Math.abs(expectedNotAfter.getTime() - cert.getNotAfter().getTime()) > 60 * SECOND) {
            issue.setFailureMessage("cert validity is not within " + validity.toString());
        }
    }
    // subjectPublicKeyInfo
    resultIssues.addAll(publicKeyChecker.checkPublicKey(bcCert.getSubjectPublicKeyInfo(), requestedPublicKey));
    // Signature
    issue = new ValidationIssue("X509.SIG", "whether certificate is signed by CA");
    resultIssues.add(issue);
    try {
        cert.verify(issuerInfo.getCert().getPublicKey(), "BC");
    } catch (Exception ex) {
        issue.setFailureMessage("invalid signature");
    }
    // issuer
    issue = new ValidationIssue("X509.ISSUER", "certificate issuer");
    resultIssues.add(issue);
    if (!cert.getIssuerX500Principal().equals(issuerInfo.getCert().getSubjectX500Principal())) {
        issue.setFailureMessage("issue in certificate does not equal the subject of CA certificate");
    }
    // subject
    resultIssues.addAll(subjectChecker.checkSubject(bcCert.getSubject(), requestedSubject));
    // issuerUniqueID
    issue = new ValidationIssue("X509.IssuerUniqueID", "issuerUniqueID");
    resultIssues.add(issue);
    if (tbsCert.getIssuerUniqueId() != null) {
        issue.setFailureMessage("is present but not permitted");
    }
    // subjectUniqueID
    issue = new ValidationIssue("X509.SubjectUniqueID", "subjectUniqueID");
    resultIssues.add(issue);
    if (tbsCert.getSubjectUniqueId() != null) {
        issue.setFailureMessage("is present but not permitted");
    }
    // extensions
    issue = new ValidationIssue("X509.GrantedSubject", "grantedSubject");
    resultIssues.add(issue);
    resultIssues.addAll(extensionsChecker.checkExtensions(bcCert, issuerInfo, requestedExtensions, requestedSubject));
    return new ValidationResult(resultIssues);
}