3.2.1.4.3.2.24 PropID = 0x00000018 (CR_PROP_KRACERTUSEDCOUNT) "Count Of Required KRAs For Archival"
The client has requested to know how many KRAs are required to be used when archiving a private key on the CA.
If the CA implements the Config_CA_KRA_Cert_Count data, then the CA MUST return the value of this data; otherwise, the CA MUST return 0.
The CA MUST return the count through the cKRACertUsedCount field of a CAINFO (section 2.2.2.4) structure. The CA MUST return the CAINFO (section 2.2.2.4) through a CERTTRANSBLOB (section 2.2.2.2) structure.<100>
Marshaling rules for CERTTRANSBLOB are specified in section 2.2.2.2.