# OCSP Responses

The NVIDIA OCSP service (CertZapper) oversees various PKI Certificates and delivers certificate status. Distinctions exist in the OCSP response between Device Certificates and RIM certificates, as outlined below.

### Device Certificate OCSP Reponse:

| Issuer | Certificate Sr NO | REVOKED | OCSP Response |
| ----------- | ----------- |---------|---------|
| Valid Issuer (L1/L2/L3/L4) | Valid Certificate Serial Number | FALSE | GOOD |
| Valid Issuer (L1/L2/L3/L4) | Unknown Certificate Serial Number | FALSE |GOOD |
| Valid Issuer (L1/L2/L3/L4) | Valid Certificate Serial Number | TRUE | REVOKED |
| Unknown Issuer (L1/L2/L3/L4) | Unknown Certificate Serial Number | FALSE |UNAUTHORIZED |



###  RIM Certificate Reponse:

| Issuer | Certificate Sr NO | REVOKED | OCSP Response |
| ----------- | ----------- |---------|---------|
| Valid Issuer (L1/L2/L3/L4) | Valid Certificate Serial Number | FALSE | GOOD |
| Valid Issuer (L1/L2/L3/L4) | Unknown Certificate Serial Number | FALSE | UNKNOWN |
| Valid Issuer (L1/L2/L3/L4) | Valid Certificate Serial Number | TRUE | REVOKED |
| Unknown Issuer (L1/L2/L3/L4) | Unknown Certificate Serial Number | FALSE |UNAUTHORIZED |