Examples with PKIHeader org.bouncycastle.asn1.cmp.PKIHeader used on opensource projects

Example 1 with PKIHeader

use of org.bouncycastle.asn1.cmp.PKIHeader in project xipki by xipki.

the class CmpCaClient method transmit.

private PKIMessage transmit(ProtectedPKIMessage request) throws Exception {
    byte[] encodedResponse = send(request.toASN1Structure().getEncoded());
    GeneralPKIMessage response = new GeneralPKIMessage(encodedResponse);
    PKIHeader reqHeader = request.getHeader();
    PKIHeader respHeader = response.getHeader();
    ASN1OctetString tid = reqHeader.getTransactionID();
    if (!tid.equals(respHeader.getTransactionID())) {
        throw new Exception("response.transactionId != request.transactionId");
    }
    ASN1OctetString senderNonce = reqHeader.getSenderNonce();
    if (!senderNonce.equals(respHeader.getRecipNonce())) {
        throw new Exception("response.recipientNonce != request.senderNonce");
    }
    GeneralName rec = respHeader.getRecipient();
    if (!requestorSubject.equals(rec)) {
        throw new Exception("unknown CMP requestor " + rec.toString());
    }
    if (!response.hasProtection()) {
        PKIBody respBody = response.getBody();
        int bodyType = respBody.getType();
        if (bodyType != PKIBody.TYPE_ERROR) {
            throw new Exception("response is not signed");
        }
    }
    if (verifyProtection(response)) {
        return response.toASN1Structure();
    }
    throw new Exception("invalid signature in PKI protection");
}

Example 2 with PKIHeader

use of org.bouncycastle.asn1.cmp.PKIHeader in project xipki by xipki.

the class CmpCaClient method verifyProtection.

// method extractGeneralRepContent
private boolean verifyProtection(GeneralPKIMessage pkiMessage) throws CMPException, InvalidKeyException {
    ProtectedPKIMessage protectedMsg = new ProtectedPKIMessage(pkiMessage);
    if (protectedMsg.hasPasswordBasedMacProtection()) {
        LOG.warn("protection is not signature based: " + pkiMessage.getHeader().getProtectionAlg().getAlgorithm().getId());
        return false;
    }
    PKIHeader header = protectedMsg.getHeader();
    if (!header.getSender().equals(responderSubject)) {
        LOG.warn("not authorized responder '{}'", header.getSender());
        return false;
    }
    String algOid = protectedMsg.getHeader().getProtectionAlg().getAlgorithm().getId();
    if (!trustedProtectionAlgOids.contains(algOid)) {
        LOG.warn("PKI protection algorithm is untrusted '{}'", algOid);
        return false;
    }
    ContentVerifierProvider verifierProvider = getContentVerifierProvider(responderCert.getPublicKey());
    if (verifierProvider == null) {
        LOG.warn("not authorized responder '{}'", header.getSender());
        return false;
    }
    return protectedMsg.verify(verifierProvider);
}

Example 3 with PKIHeader

use of org.bouncycastle.asn1.cmp.PKIHeader in project xipki by xipki.

the class CmpResponder method verifyProtection.

private ProtectionVerificationResult verifyProtection(String tid, GeneralPKIMessage pkiMessage, CmpControl cmpControl) throws CMPException, InvalidKeyException, OperatorCreationException {
    ProtectedPKIMessage protectedMsg = new ProtectedPKIMessage(pkiMessage);
    if (protectedMsg.hasPasswordBasedMacProtection()) {
        LOG.warn("NOT_SIGNAUTRE_BASED: {}", pkiMessage.getHeader().getProtectionAlg().getAlgorithm().getId());
        return new ProtectionVerificationResult(null, ProtectionResult.NOT_SIGNATURE_BASED);
    }
    PKIHeader header = protectedMsg.getHeader();
    AlgorithmIdentifier protectionAlg = header.getProtectionAlg();
    if (!cmpControl.getSigAlgoValidator().isAlgorithmPermitted(protectionAlg)) {
        LOG.warn("SIG_ALGO_FORBIDDEN: {}", pkiMessage.getHeader().getProtectionAlg().getAlgorithm().getId());
        return new ProtectionVerificationResult(null, ProtectionResult.SIGALGO_FORBIDDEN);
    }
    CmpRequestorInfo requestor = getRequestor(header);
    if (requestor == null) {
        LOG.warn("tid={}: not authorized requestor '{}'", tid, header.getSender());
        return new ProtectionVerificationResult(null, ProtectionResult.SENDER_NOT_AUTHORIZED);
    }
    ContentVerifierProvider verifierProvider = securityFactory.getContentVerifierProvider(requestor.getCert().getCert());
    if (verifierProvider == null) {
        LOG.warn("tid={}: not authorized requestor '{}'", tid, header.getSender());
        return new ProtectionVerificationResult(requestor, ProtectionResult.SENDER_NOT_AUTHORIZED);
    }
    boolean signatureValid = protectedMsg.verify(verifierProvider);
    return new ProtectionVerificationResult(requestor, signatureValid ? ProtectionResult.VALID : ProtectionResult.INVALID);
}

Example 4 with PKIHeader

use of org.bouncycastle.asn1.cmp.PKIHeader in project xipki by xipki.

the class CmpResponder method buildErrorPkiMessage.

// method addProtection
protected PKIMessage buildErrorPkiMessage(ASN1OctetString tid, PKIHeader requestHeader, int failureCode, String statusText) {
    GeneralName respRecipient = requestHeader.getSender();
    PKIHeaderBuilder respHeader = new PKIHeaderBuilder(requestHeader.getPvno().getValue().intValue(), getSender(), respRecipient);
    respHeader.setMessageTime(new ASN1GeneralizedTime(new Date()));
    if (tid != null) {
        respHeader.setTransactionID(tid);
    }
    ASN1OctetString senderNonce = requestHeader.getSenderNonce();
    if (senderNonce != null) {
        respHeader.setRecipNonce(senderNonce);
    }
    PKIStatusInfo status = generateRejectionStatus(failureCode, statusText);
    ErrorMsgContent error = new ErrorMsgContent(status);
    PKIBody body = new PKIBody(PKIBody.TYPE_ERROR, error);
    return new PKIMessage(respHeader.build(), body);
}

Example 5 with PKIHeader

use of org.bouncycastle.asn1.cmp.PKIHeader in project xipki by xipki.

the class CmpResponder method processPkiMessage.

public PKIMessage processPkiMessage(PKIMessage pkiMessage, X509Certificate tlsClientCert, AuditEvent event) {
    ParamUtil.requireNonNull("pkiMessage", pkiMessage);
    ParamUtil.requireNonNull("event", event);
    GeneralPKIMessage message = new GeneralPKIMessage(pkiMessage);
    PKIHeader reqHeader = message.getHeader();
    ASN1OctetString tid = reqHeader.getTransactionID();
    String msgId = null;
    if (event != null) {
        msgId = RandomUtil.nextHexLong();
        event.addEventData(CaAuditConstants.NAME_mid, msgId);
    }
    if (tid == null) {
        byte[] randomBytes = randomTransactionId();
        tid = new DEROctetString(randomBytes);
    }
    String tidStr = Base64.encodeToString(tid.getOctets());
    if (event != null) {
        event.addEventData(CaAuditConstants.NAME_tid, tidStr);
    }
    int reqPvno = reqHeader.getPvno().getValue().intValue();
    if (reqPvno != PVNO_CMP2000) {
        if (event != null) {
            event.setLevel(AuditLevel.INFO);
            event.setStatus(AuditStatus.FAILED);
            event.addEventData(CaAuditConstants.NAME_message, "unsupproted version " + reqPvno);
        }
        return buildErrorPkiMessage(tid, reqHeader, PKIFailureInfo.unsupportedVersion, null);
    }
    CmpControl cmpControl = getCmpControl();
    Integer failureCode = null;
    String statusText = null;
    Date messageTime = null;
    if (reqHeader.getMessageTime() != null) {
        try {
            messageTime = reqHeader.getMessageTime().getDate();
        } catch (ParseException ex) {
            LogUtil.error(LOG, ex, "tid=" + tidStr + ": could not parse messageTime");
        }
    }
    GeneralName recipient = reqHeader.getRecipient();
    boolean intentMe = (recipient == null) ? true : intendsMe(recipient);
    if (!intentMe) {
        LOG.warn("tid={}: I am not the intended recipient, but '{}'", tid, reqHeader.getRecipient());
        failureCode = PKIFailureInfo.badRequest;
        statusText = "I am not the intended recipient";
    } else if (messageTime == null) {
        if (cmpControl.isMessageTimeRequired()) {
            failureCode = PKIFailureInfo.missingTimeStamp;
            statusText = "missing time-stamp";
        }
    } else {
        long messageTimeBias = cmpControl.getMessageTimeBias();
        if (messageTimeBias < 0) {
            messageTimeBias *= -1;
        }
        long msgTimeMs = messageTime.getTime();
        long currentTimeMs = System.currentTimeMillis();
        long bias = (msgTimeMs - currentTimeMs) / 1000L;
        if (bias > messageTimeBias) {
            failureCode = PKIFailureInfo.badTime;
            statusText = "message time is in the future";
        } else if (bias * -1 > messageTimeBias) {
            failureCode = PKIFailureInfo.badTime;
            statusText = "message too old";
        }
    }
    if (failureCode != null) {
        if (event != null) {
            event.setLevel(AuditLevel.INFO);
            event.setStatus(AuditStatus.FAILED);
            event.addEventData(CaAuditConstants.NAME_message, statusText);
        }
        return buildErrorPkiMessage(tid, reqHeader, failureCode, statusText);
    }
    boolean isProtected = message.hasProtection();
    CmpRequestorInfo requestor;
    String errorStatus;
    if (isProtected) {
        try {
            ProtectionVerificationResult verificationResult = verifyProtection(tidStr, message, cmpControl);
            ProtectionResult pr = verificationResult.getProtectionResult();
            switch(pr) {
                case VALID:
                    errorStatus = null;
                    break;
                case INVALID:
                    errorStatus = "request is protected by signature but invalid";
                    break;
                case NOT_SIGNATURE_BASED:
                    errorStatus = "request is not protected by signature";
                    break;
                case SENDER_NOT_AUTHORIZED:
                    errorStatus = "request is protected by signature but the requestor is not authorized";
                    break;
                case SIGALGO_FORBIDDEN:
                    errorStatus = "request is protected by signature but the protection algorithm" + " is forbidden";
                    break;
                default:
                    throw new RuntimeException("should not reach here, unknown ProtectionResult " + pr);
            }
            // end switch
            requestor = (CmpRequestorInfo) verificationResult.getRequestor();
        } catch (Exception ex) {
            LogUtil.error(LOG, ex, "tid=" + tidStr + ": could not verify the signature");
            errorStatus = "request has invalid signature based protection";
            requestor = null;
        }
    } else if (tlsClientCert != null) {
        boolean authorized = false;
        requestor = getRequestor(reqHeader);
        if (requestor != null) {
            if (tlsClientCert.equals(requestor.getCert().getCert())) {
                authorized = true;
            }
        }
        if (authorized) {
            errorStatus = null;
        } else {
            LOG.warn("tid={}: not authorized requestor (TLS client '{}')", tid, X509Util.getRfc4519Name(tlsClientCert.getSubjectX500Principal()));
            errorStatus = "requestor (TLS client certificate) is not authorized";
        }
    } else {
        errorStatus = "request has no protection";
        requestor = null;
    }
    if (errorStatus != null) {
        if (event != null) {
            event.setLevel(AuditLevel.INFO);
            event.setStatus(AuditStatus.FAILED);
            event.addEventData(CaAuditConstants.NAME_message, errorStatus);
        }
        return buildErrorPkiMessage(tid, reqHeader, PKIFailureInfo.badMessageCheck, errorStatus);
    }
    PKIMessage resp = processPkiMessage0(pkiMessage, requestor, tid, message, msgId, event);
    if (isProtected) {
        resp = addProtection(resp, event);
    } else {
    // protected by TLS connection
    }
    return resp;
}