Examples with CertStatus org.bouncycastle.asn1.ocsp.CertStatus used on opensource projects

Example 1 with CertStatus

use of org.bouncycastle.asn1.ocsp.CertStatus in project robovm by robovm.

the class CertPathValidatorUtilities method getCertStatus.

protected static void getCertStatus(Date validDate, X509CRL crl, Object cert, CertStatus certStatus) throws AnnotatedException {
    X509CRLEntry crl_entry = null;
    boolean isIndirect;
    try {
        isIndirect = X509CRLObject.isIndirectCRL(crl);
    } catch (CRLException exception) {
        throw new AnnotatedException("Failed check for indirect CRL.", exception);
    }
    if (isIndirect) {
        crl_entry = crl.getRevokedCertificate(getSerialNumber(cert));
        if (crl_entry == null) {
            return;
        }
        X500Principal certIssuer = crl_entry.getCertificateIssuer();
        if (certIssuer == null) {
            certIssuer = getIssuerPrincipal(crl);
        }
        if (!getEncodedIssuerPrincipal(cert).equals(certIssuer)) {
            return;
        }
    } else if (!getEncodedIssuerPrincipal(cert).equals(getIssuerPrincipal(crl))) {
        // not for our issuer, ignore
        return;
    } else {
        crl_entry = crl.getRevokedCertificate(getSerialNumber(cert));
        if (crl_entry == null) {
            return;
        }
    }
    DEREnumerated reasonCode = null;
    if (crl_entry.hasExtensions()) {
        try {
            reasonCode = DEREnumerated.getInstance(CertPathValidatorUtilities.getExtensionValue(crl_entry, X509Extension.reasonCode.getId()));
        } catch (Exception e) {
            throw new AnnotatedException("Reason code CRL entry extension could not be decoded.", e);
        }
    }
    // unspecified
    if (!(validDate.getTime() < crl_entry.getRevocationDate().getTime()) || reasonCode == null || reasonCode.getValue().intValue() == 0 || reasonCode.getValue().intValue() == 1 || reasonCode.getValue().intValue() == 2 || reasonCode.getValue().intValue() == 8) {
        // (i) or (j) (1)
        if (reasonCode != null) {
            certStatus.setCertStatus(reasonCode.getValue().intValue());
        } else // (i) or (j) (2)
        {
            certStatus.setCertStatus(CRLReason.unspecified);
        }
        certStatus.setRevocationDate(crl_entry.getRevocationDate());
    }
}

Example 2 with CertStatus

use of org.bouncycastle.asn1.ocsp.CertStatus in project xipki by xipki.

the class OcspQa method checkSingleCert.

// method checkOcsp
private List<ValidationIssue> checkSingleCert(int index, SingleResp singleResp, IssuerHash issuerHash, OcspCertStatus expectedStatus, byte[] encodedCert, Date expectedRevTime, boolean extendedRevoke, Occurrence nextupdateOccurrence, Occurrence certhashOccurrence, ASN1ObjectIdentifier certhashAlg) {
    if (expectedStatus == OcspCertStatus.unknown || expectedStatus == OcspCertStatus.issuerUnknown) {
        certhashOccurrence = Occurrence.forbidden;
    }
    List<ValidationIssue> issues = new LinkedList<>();
    // issuer hash
    ValidationIssue issue = new ValidationIssue("OCSP.RESPONSE." + index + ".ISSUER", "certificate issuer");
    issues.add(issue);
    CertificateID certId = singleResp.getCertID();
    HashAlgo hashAlgo = HashAlgo.getInstance(certId.getHashAlgOID());
    if (hashAlgo == null) {
        issue.setFailureMessage("unknown hash algorithm " + certId.getHashAlgOID().getId());
    } else {
        if (!issuerHash.match(hashAlgo, certId.getIssuerNameHash(), certId.getIssuerKeyHash())) {
            issue.setFailureMessage("issuer not match");
        }
    }
    // status
    issue = new ValidationIssue("OCSP.RESPONSE." + index + ".STATUS", "certificate status");
    issues.add(issue);
    CertificateStatus singleCertStatus = singleResp.getCertStatus();
    OcspCertStatus status = null;
    Long revTimeSec = null;
    if (singleCertStatus == null) {
        status = OcspCertStatus.good;
    } else if (singleCertStatus instanceof RevokedStatus) {
        RevokedStatus revStatus = (RevokedStatus) singleCertStatus;
        revTimeSec = revStatus.getRevocationTime().getTime() / 1000;
        if (revStatus.hasRevocationReason()) {
            int reason = revStatus.getRevocationReason();
            if (extendedRevoke && reason == CrlReason.CERTIFICATE_HOLD.getCode() && revTimeSec == 0) {
                status = OcspCertStatus.unknown;
                revTimeSec = null;
            } else {
                CrlReason revocationReason = CrlReason.forReasonCode(reason);
                switch(revocationReason) {
                    case UNSPECIFIED:
                        status = OcspCertStatus.unspecified;
                        break;
                    case KEY_COMPROMISE:
                        status = OcspCertStatus.keyCompromise;
                        break;
                    case CA_COMPROMISE:
                        status = OcspCertStatus.cACompromise;
                        break;
                    case AFFILIATION_CHANGED:
                        status = OcspCertStatus.affiliationChanged;
                        break;
                    case SUPERSEDED:
                        status = OcspCertStatus.superseded;
                        break;
                    case CERTIFICATE_HOLD:
                        status = OcspCertStatus.certificateHold;
                        break;
                    case REMOVE_FROM_CRL:
                        status = OcspCertStatus.removeFromCRL;
                        break;
                    case PRIVILEGE_WITHDRAWN:
                        status = OcspCertStatus.privilegeWithdrawn;
                        break;
                    case AA_COMPROMISE:
                        status = OcspCertStatus.aACompromise;
                        break;
                    case CESSATION_OF_OPERATION:
                        status = OcspCertStatus.cessationOfOperation;
                        break;
                    default:
                        issue.setFailureMessage("should not reach here, unknown CRLReason " + revocationReason);
                        break;
                }
            }
        // end if
        } else {
            status = OcspCertStatus.rev_noreason;
        }
    // end if (revStatus.hasRevocationReason())
    } else if (singleCertStatus instanceof UnknownStatus) {
        status = extendedRevoke ? OcspCertStatus.issuerUnknown : OcspCertStatus.unknown;
    } else {
        issue.setFailureMessage("unknown certstatus: " + singleCertStatus.getClass().getName());
    }
    if (!issue.isFailed() && expectedStatus != status) {
        issue.setFailureMessage("is='" + status + "', but expected='" + expectedStatus + "'");
    }
    // revocation time
    issue = new ValidationIssue("OCSP.RESPONSE." + index + ".REVTIME", "certificate time");
    issues.add(issue);
    if (expectedRevTime != null) {
        if (revTimeSec == null) {
            issue.setFailureMessage("is='null', but expected='" + formatTime(expectedRevTime) + "'");
        } else if (revTimeSec != expectedRevTime.getTime() / 1000) {
            issue.setFailureMessage("is='" + formatTime(new Date(revTimeSec * 1000)) + "', but expected='" + formatTime(expectedRevTime) + "'");
        }
    }
    // nextUpdate
    Date nextUpdate = singleResp.getNextUpdate();
    issue = checkOccurrence("OCSP.RESPONSE." + index + ".NEXTUPDATE", nextUpdate, nextupdateOccurrence);
    issues.add(issue);
    Extension extension = singleResp.getExtension(ISISMTTObjectIdentifiers.id_isismtt_at_certHash);
    issue = checkOccurrence("OCSP.RESPONSE." + index + ".CERTHASH", extension, certhashOccurrence);
    issues.add(issue);
    if (extension != null) {
        ASN1Encodable extensionValue = extension.getParsedValue();
        CertHash certHash = CertHash.getInstance(extensionValue);
        ASN1ObjectIdentifier hashAlgOid = certHash.getHashAlgorithm().getAlgorithm();
        if (certhashAlg != null) {
            // certHash algorithm
            issue = new ValidationIssue("OCSP.RESPONSE." + index + ".CHASH.ALG", "certhash algorithm");
            issues.add(issue);
            ASN1ObjectIdentifier is = certHash.getHashAlgorithm().getAlgorithm();
            if (!certhashAlg.equals(is)) {
                issue.setFailureMessage("is '" + is.getId() + "', but expected '" + certhashAlg.getId() + "'");
            }
        }
        byte[] hashValue = certHash.getCertificateHash();
        if (encodedCert != null) {
            issue = new ValidationIssue("OCSP.RESPONSE." + index + ".CHASH.VALIDITY", "certhash validity");
            issues.add(issue);
            try {
                MessageDigest md = MessageDigest.getInstance(hashAlgOid.getId());
                byte[] expectedHashValue = md.digest(encodedCert);
                if (!Arrays.equals(expectedHashValue, hashValue)) {
                    issue.setFailureMessage("certhash does not match the requested certificate");
                }
            } catch (NoSuchAlgorithmException ex) {
                issue.setFailureMessage("NoSuchAlgorithm " + hashAlgOid.getId());
            }
        }
    // end if(encodedCert != null)
    }
    return issues;
}

Example 3 with CertStatus

use of org.bouncycastle.asn1.ocsp.CertStatus in project xipki by xipki.

the class X509CaCmpResponderImpl method confirmCertificates.

private PKIBody confirmCertificates(ASN1OctetString transactionId, CertConfirmContent certConf, String msgId) {
    CertStatus[] certStatuses = certConf.toCertStatusArray();
    boolean successful = true;
    for (CertStatus certStatus : certStatuses) {
        ASN1Integer certReqId = certStatus.getCertReqId();
        byte[] certHash = certStatus.getCertHash().getOctets();
        X509CertificateInfo certInfo = pendingCertPool.removeCertificate(transactionId.getOctets(), certReqId.getPositiveValue(), certHash);
        if (certInfo == null) {
            if (LOG.isWarnEnabled()) {
                LOG.warn("no cert under transactionId={}, certReqId={} and certHash=0X{}", transactionId, certReqId.getPositiveValue(), Hex.encode(certHash));
            }
            continue;
        }
        PKIStatusInfo statusInfo = certStatus.getStatusInfo();
        boolean accept = true;
        if (statusInfo != null) {
            int status = statusInfo.getStatus().intValue();
            if (PKIStatus.GRANTED != status && PKIStatus.GRANTED_WITH_MODS != status) {
                accept = false;
            }
        }
        if (accept) {
            continue;
        }
        BigInteger serialNumber = certInfo.getCert().getCert().getSerialNumber();
        X509Ca ca = getCa();
        try {
            ca.revokeCertificate(serialNumber, CrlReason.CESSATION_OF_OPERATION, new Date(), msgId);
        } catch (OperationException ex) {
            LogUtil.warn(LOG, ex, "could not revoke certificate ca=" + ca.getCaInfo().getIdent() + " serialNumber=" + LogUtil.formatCsn(serialNumber));
        }
        successful = false;
    }
    // all other certificates should be revoked
    if (revokePendingCertificates(transactionId, msgId)) {
        successful = false;
    }
    if (successful) {
        return new PKIBody(PKIBody.TYPE_CONFIRM, DERNull.INSTANCE);
    }
    ErrorMsgContent emc = new ErrorMsgContent(new PKIStatusInfo(PKIStatus.rejection, null, new PKIFailureInfo(PKIFailureInfo.systemFailure)));
    return new PKIBody(PKIBody.TYPE_ERROR, emc);
}

Example 4 with CertStatus

use of org.bouncycastle.asn1.ocsp.CertStatus in project xipki by xipki.

the class X509Ca method createGrantedCertTemplate.

private GrantedCertTemplate createGrantedCertTemplate(CertTemplateData certTemplate, RequestorInfo requestor, boolean keyUpdate) throws OperationException {
    ParamUtil.requireNonNull("certTemplate", certTemplate);
    if (caInfo.getRevocationInfo() != null) {
        throw new OperationException(ErrorCode.NOT_PERMITTED, "CA is revoked");
    }
    IdentifiedX509Certprofile certprofile = getX509Certprofile(certTemplate.getCertprofileName());
    if (certprofile == null) {
        throw new OperationException(ErrorCode.UNKNOWN_CERT_PROFILE, "unknown cert profile " + certTemplate.getCertprofileName());
    }
    ConcurrentContentSigner signer = caInfo.getSigner(certprofile.getSignatureAlgorithms());
    if (signer == null) {
        throw new OperationException(ErrorCode.SYSTEM_FAILURE, "CA does not support any signature algorithm restricted by the cert profile");
    }
    final NameId certprofileIdent = certprofile.getIdent();
    if (certprofile.getVersion() != X509CertVersion.v3) {
        throw new OperationException(ErrorCode.SYSTEM_FAILURE, "unknown cert version " + certprofile.getVersion());
    }
    if (certprofile.isOnlyForRa()) {
        if (requestor == null || !requestor.isRa()) {
            throw new OperationException(ErrorCode.NOT_PERMITTED, "profile " + certprofileIdent + " not applied to non-RA");
        }
    }
    X500Name requestedSubject = removeEmptyRdns(certTemplate.getSubject());
    if (!certprofile.isSerialNumberInReqPermitted()) {
        RDN[] rdns = requestedSubject.getRDNs(ObjectIdentifiers.DN_SN);
        if (rdns != null && rdns.length > 0) {
            throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, "subjectDN SerialNumber in request is not permitted");
        }
    }
    Date now = new Date();
    Date reqNotBefore;
    if (certTemplate.getNotBefore() != null && certTemplate.getNotBefore().after(now)) {
        reqNotBefore = certTemplate.getNotBefore();
    } else {
        reqNotBefore = now;
    }
    Date grantedNotBefore = certprofile.getNotBefore(reqNotBefore);
    // notBefore in the past is not permitted
    if (grantedNotBefore.before(now)) {
        grantedNotBefore = now;
    }
    if (certprofile.hasMidnightNotBefore()) {
        grantedNotBefore = setToMidnight(grantedNotBefore, certprofile.getTimezone());
    }
    if (grantedNotBefore.before(caInfo.getNotBefore())) {
        grantedNotBefore = caInfo.getNotBefore();
        if (certprofile.hasMidnightNotBefore()) {
            grantedNotBefore = setToMidnight(grantedNotBefore, certprofile.getTimezone());
        }
    }
    long time = caInfo.getNoNewCertificateAfter();
    if (grantedNotBefore.getTime() > time) {
        throw new OperationException(ErrorCode.NOT_PERMITTED, "CA is not permitted to issue certifate after " + new Date(time));
    }
    SubjectPublicKeyInfo grantedPublicKeyInfo;
    try {
        grantedPublicKeyInfo = X509Util.toRfc3279Style(certTemplate.getPublicKeyInfo());
    } catch (InvalidKeySpecException ex) {
        LogUtil.warn(LOG, ex, "invalid SubjectPublicKeyInfo");
        throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, "invalid SubjectPublicKeyInfo");
    }
    // public key
    try {
        grantedPublicKeyInfo = certprofile.checkPublicKey(grantedPublicKeyInfo);
    } catch (BadCertTemplateException ex) {
        throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, ex);
    }
    // CHECK weak public key, like RSA key (ROCA)
    if (grantedPublicKeyInfo.getAlgorithm().getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)) {
        try {
            ASN1Sequence seq = ASN1Sequence.getInstance(grantedPublicKeyInfo.getPublicKeyData().getOctets());
            if (seq.size() != 2) {
                throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, "invalid format of RSA public key");
            }
            BigInteger modulus = ASN1Integer.getInstance(seq.getObjectAt(0)).getPositiveValue();
            if (RSABrokenKey.isAffected(modulus)) {
                throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, "RSA public key is too weak");
            }
        } catch (IllegalArgumentException ex) {
            throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, "invalid format of RSA public key");
        }
    }
    Date gsmckFirstNotBefore = null;
    if (certprofile.getspecialCertprofileBehavior() == SpecialX509CertprofileBehavior.gematik_gSMC_K) {
        gsmckFirstNotBefore = grantedNotBefore;
        RDN[] cnRdns = requestedSubject.getRDNs(ObjectIdentifiers.DN_CN);
        if (cnRdns != null && cnRdns.length > 0) {
            String requestedCn = X509Util.rdnValueToString(cnRdns[0].getFirst().getValue());
            Long gsmckFirstNotBeforeInSecond = certstore.getNotBeforeOfFirstCertStartsWithCommonName(requestedCn, certprofileIdent);
            if (gsmckFirstNotBeforeInSecond != null) {
                gsmckFirstNotBefore = new Date(gsmckFirstNotBeforeInSecond * MS_PER_SECOND);
            }
            // append the commonName with '-' + yyyyMMdd
            SimpleDateFormat dateF = new SimpleDateFormat("yyyyMMdd");
            dateF.setTimeZone(new SimpleTimeZone(0, "Z"));
            String yyyyMMdd = dateF.format(gsmckFirstNotBefore);
            String suffix = "-" + yyyyMMdd;
            // append the -yyyyMMdd to the commonName
            RDN[] rdns = requestedSubject.getRDNs();
            for (int i = 0; i < rdns.length; i++) {
                if (ObjectIdentifiers.DN_CN.equals(rdns[i].getFirst().getType())) {
                    rdns[i] = new RDN(ObjectIdentifiers.DN_CN, new DERUTF8String(requestedCn + suffix));
                }
            }
            requestedSubject = new X500Name(rdns);
        }
    // end if
    }
    // end if
    // subject
    SubjectInfo subjectInfo;
    try {
        subjectInfo = certprofile.getSubject(requestedSubject);
    } catch (CertprofileException ex) {
        throw new OperationException(ErrorCode.SYSTEM_FAILURE, "exception in cert profile " + certprofileIdent);
    } catch (BadCertTemplateException ex) {
        throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, ex);
    }
    X500Name grantedSubject = subjectInfo.getGrantedSubject();
    // make sure that empty subject is not permitted
    ASN1ObjectIdentifier[] attrTypes = grantedSubject.getAttributeTypes();
    if (attrTypes == null || attrTypes.length == 0) {
        throw new OperationException(ErrorCode.BAD_CERT_TEMPLATE, "empty subject is not permitted");
    }
    // make sure that the grantedSubject does not equal the CA's subject
    if (X509Util.canonicalizName(grantedSubject).equals(caInfo.getPublicCaInfo().getC14nSubject())) {
        throw new OperationException(ErrorCode.ALREADY_ISSUED, "certificate with the same subject as CA is not allowed");
    }
    boolean duplicateKeyPermitted = caInfo.isDuplicateKeyPermitted();
    if (duplicateKeyPermitted && !certprofile.isDuplicateKeyPermitted()) {
        duplicateKeyPermitted = false;
    }
    byte[] subjectPublicKeyData = grantedPublicKeyInfo.getPublicKeyData().getBytes();
    long fpPublicKey = FpIdCalculator.hash(subjectPublicKeyData);
    if (keyUpdate) {
        CertStatus certStatus = certstore.getCertStatusForSubject(caIdent, grantedSubject);
        if (certStatus == CertStatus.REVOKED) {
            throw new OperationException(ErrorCode.CERT_REVOKED);
        } else if (certStatus == CertStatus.UNKNOWN) {
            throw new OperationException(ErrorCode.UNKNOWN_CERT);
        }
    } else {
        if (!duplicateKeyPermitted) {
            if (certstore.isCertForKeyIssued(caIdent, fpPublicKey)) {
                throw new OperationException(ErrorCode.ALREADY_ISSUED, "certificate for the given public key already issued");
            }
        }
    // duplicateSubject check will be processed later
    }
    // end if(keyUpdate)
    StringBuilder msgBuilder = new StringBuilder();
    if (subjectInfo.getWarning() != null) {
        msgBuilder.append(", ").append(subjectInfo.getWarning());
    }
    CertValidity validity = certprofile.getValidity();
    if (validity == null) {
        validity = caInfo.getMaxValidity();
    } else if (validity.compareTo(caInfo.getMaxValidity()) > 0) {
        validity = caInfo.getMaxValidity();
    }
    Date maxNotAfter = validity.add(grantedNotBefore);
    if (maxNotAfter.getTime() > MAX_CERT_TIME_MS) {
        maxNotAfter = new Date(MAX_CERT_TIME_MS);
    }
    // CHECKSTYLE:SKIP
    Date origMaxNotAfter = maxNotAfter;
    if (certprofile.getspecialCertprofileBehavior() == SpecialX509CertprofileBehavior.gematik_gSMC_K) {
        String str = certprofile.setParameter(SpecialX509CertprofileBehavior.PARAMETER_MAXLIFTIME);
        long maxLifetimeInDays = Long.parseLong(str);
        Date maxLifetime = new Date(gsmckFirstNotBefore.getTime() + maxLifetimeInDays * DAY_IN_MS - MS_PER_SECOND);
        if (maxNotAfter.after(maxLifetime)) {
            maxNotAfter = maxLifetime;
        }
    }
    Date grantedNotAfter = certTemplate.getNotAfter();
    if (grantedNotAfter != null) {
        if (grantedNotAfter.after(maxNotAfter)) {
            grantedNotAfter = maxNotAfter;
            msgBuilder.append(", notAfter modified");
        }
    } else {
        grantedNotAfter = maxNotAfter;
    }
    if (grantedNotAfter.after(caInfo.getNotAfter())) {
        ValidityMode mode = caInfo.getValidityMode();
        if (mode == ValidityMode.CUTOFF) {
            grantedNotAfter = caInfo.getNotAfter();
        } else if (mode == ValidityMode.STRICT) {
            throw new OperationException(ErrorCode.NOT_PERMITTED, "notAfter outside of CA's validity is not permitted");
        } else if (mode == ValidityMode.LAX) {
        // permitted
        } else {
            throw new RuntimeException("should not reach here, unknown CA ValidityMode " + mode);
        }
    // end if (mode)
    }
    if (certprofile.hasMidnightNotBefore() && !maxNotAfter.equals(origMaxNotAfter)) {
        Calendar cal = Calendar.getInstance(certprofile.getTimezone());
        cal.setTime(new Date(grantedNotAfter.getTime() - DAY_IN_MS));
        cal.set(Calendar.HOUR_OF_DAY, 23);
        cal.set(Calendar.MINUTE, 59);
        cal.set(Calendar.SECOND, 59);
        cal.set(Calendar.MILLISECOND, 0);
        grantedNotAfter = cal.getTime();
    }
    String warning = null;
    if (msgBuilder.length() > 2) {
        warning = msgBuilder.substring(2);
    }
    GrantedCertTemplate gct = new GrantedCertTemplate(certTemplate.getExtensions(), certprofile, grantedNotBefore, grantedNotAfter, requestedSubject, grantedPublicKeyInfo, fpPublicKey, subjectPublicKeyData, signer, warning);
    gct.setGrantedSubject(grantedSubject);
    return gct;
}

Example 5 with CertStatus

use of org.bouncycastle.asn1.ocsp.CertStatus in project jruby-openssl by jruby.

the class OCSPBasicResponse method add_status.

@JRubyMethod(name = "add_status", rest = true)
public OCSPBasicResponse add_status(final ThreadContext context, IRubyObject[] args) {
    Ruby runtime = context.getRuntime();
    Arity.checkArgumentCount(runtime, args, 7, 7);
    IRubyObject certificateId = args[0];
    IRubyObject status = args[1];
    IRubyObject reason = args[2];
    IRubyObject revocation_time = args[3];
    IRubyObject this_update = args[4];
    IRubyObject next_update = args[5];
    IRubyObject extensions = args[6];
    CertStatus certStatus = null;
    switch(RubyFixnum.fix2int((RubyFixnum) status)) {
        case 0:
            certStatus = new CertStatus();
            break;
        case 1:
            ASN1GeneralizedTime revTime = rubyIntOrTimeToGenTime(revocation_time);
            RevokedInfo revokedInfo = new RevokedInfo(revTime, CRLReason.lookup(RubyFixnum.fix2int((RubyFixnum) reason)));
            certStatus = new CertStatus(revokedInfo);
            break;
        case 2:
            certStatus = new CertStatus(2, DERNull.INSTANCE);
            break;
        default:
            break;
    }
    ASN1GeneralizedTime thisUpdate = rubyIntOrTimeToGenTime(this_update);
    ASN1GeneralizedTime nextUpdate = rubyIntOrTimeToGenTime(next_update);
    Extensions singleExtensions = convertRubyExtensions(extensions);
    CertID certID = ((OCSPCertificateId) certificateId).getCertID();
    SingleResponse ocspSingleResp = new SingleResponse(certID, certStatus, thisUpdate, nextUpdate, singleExtensions);
    OCSPSingleResponse rubySingleResp = new OCSPSingleResponse(runtime);
    try {
        rubySingleResp.initialize(context, RubyString.newString(runtime, ocspSingleResp.getEncoded()));
        singleResponses.add(rubySingleResp);
    } catch (IOException e) {
        throw newOCSPError(runtime, e);
    }
    return this;
}