User's Manual

User Manual VC-EVCC
© 2021 Vector Informatik GmbH Version 1.3.0 109
5.2.1.2.12.3 Routine Controls for PnC Certificates/Private Keys
The VC-EVCC provides several routine controls for Plug and Charge certificates/private
keys. The following routine controls are available in order to validate or compare PnC
certificates.
Caution
The execution of routine controls requires the diagnostic services “Extended Session”
and “Security Access”. Otherwise, the VC-EVCC will send a negative response code.
Validation of PnC certificates/signature chain:
RID 0xF002 – Validate OEM Provisioning Certificate
RID 0xF003 – Validate Contract Certificate
The VC-EVCC validates the OEM Provisioning Certificate or the Contract Certificate
against the respective stored private key. The validation result is either valid or invalid.
RID 0xF008 – Validate Contract Certificate Signature Chain
The Contract Certificate Signature Chain is validated by the VC-EVCC with the reference
time value provided in the diagnostic request message. The validation result is either “Valid”
or “Invalid”.
Value
Description
0x00
Valid
0x01
Invalid
Table 5-9: Validation Result of PnC Certificates/Signature Chain
Comparison of PnC certificates:
RID 0xF004 – Compare Contract Certificate
RID 0xF005 – Compare OEM Provisioning Certificate
RID 0xF006 – Compare Sub Certificate
RID 0xF007 – Compare PnC Root Certificate
The VC-EVCC compares the installed certificate with the certificate provided in the
diagnostic request message. The result is either “NonIdentical” or “Identical”. If the Sub
Certificate shall be compared the distance to root (0 or 1) has to be provided in addition to
the certificate.
Value
Description
0x00
NonIdentical
0x01
Identical
Table 5-10: Result of Comparison Between PnC Certificates