Cryptographic Hardening of SCEP Transactions for the Network Device Enrollment Service (NDES)

The Simple Certificate Enrollment Protocol (SCEP) is an ancient protocol from the early 2000s. It does not use Transport Layer Security (TLS). Therefore, the protocol messages are encrypted at the transport layer.

When sending the certificate request to the NDES server, the client will sign the certificate request with the NDES server's CEP encryption certificate (which was previously communicated to it via the GetCACert message).

Upon receiving the issued certificate, the NDES server will encrypt the response using a self-signed certificate temporarily generated by the SCEP client.

In both cases, a symmetric encryption algorithm is used.

Continue reading „Kryptographische Härtung der SCEP-Transaktionen für den Registrierungsdienst für Netzwerkgeräte (Network Device Enrollment Service, NDES)“

Installation of a certificate authority fails with error code "Bad Data. 0x80090005 (-2146893819 NTE_BAD_DATA)."

Assume the following scenario:

  • An attempt is made to install a certificate authority
  • The role configuration fails with the following error message:
An error occurred when creating the new key container "ADCS Labor Issuing CA 3". Please make sure the CSP is installed correctly or select another CSP.
Bad Data. 0x80090005 (-2146893819 NTE_BAD_DATA).
Continue reading „Die Installation einer Zertifizierungsstelle schlägt fehl mit Fehlercode „Bad Data. 0x80090005 (-2146893819 NTE_BAD_DATA).““

Details of the event with ID 130 of the source Microsoft-Windows-CertificationAuthority

Event Source:Microsoft-Windows-CertificationAuthority
Event ID:130 (0x82)
Event log:Application
Event type:Error
Symbolic Name:MSG_E_CRL_CREATION
Event text (English):Active Directory Certificate Services could not create a certificate revocation list. %1. This may cause applications that need to check the revocation status of certificates issued by this CA to fail. You can recreate the certificate revocation list manually by running the following command: "certutil -CRL". If the problem persists, restart Certificate Services.
Event text (German):No certificate revocation list could be created by Active Directory Certificate Services. %1. This may cause an error to occur in applications that require checking the revocation status of certificates issued by this certificate authority. The certificate revocation list can be manually recreated by running the following command: "certutil -CRL". If the problem persists, restart Certificate Services.
Continue reading „Details zum Ereignis mit ID 130 der Quelle Microsoft-Windows-CertificationAuthority“

Details of the event with ID 53 of the source Microsoft-Windows-CertificationAuthority

Event Source:Microsoft-Windows-CertificationAuthority
Event ID:53 (0x35)
Event log:Application
Event type:Warning
Symbolic Name:MSG_DN_CERT_DENIED_WITH_INFO
Event text (English):Active Directory Certificate Services denied request %1 because %2. The request was for %3. Additional information: %4
Event text (German):The request %1 was rejected because %2. The request was for %3. More information: %4
Continue reading „Details zum Ereignis mit ID 53 der Quelle Microsoft-Windows-CertificationAuthority“

Certificate request fails with error message "Bad Data. 0x80090005 (-2146893819 NTE_BAD_DATA)."

Assume the following scenario:

  • A user sends a certificate request to a certificate authority.
  • The certificate request fails with the following error message:
Bad Data. 0x80090005 (-2146893819 NTE_BAD_DATA).
Denied by Policy Module.
Continue reading „Die Beantragung eines Zertifikats schlägt fehl mit Fehlermeldung „Bad Data. 0x80090005 (-2146893819 NTE_BAD_DATA).““
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