Magtek DynaPro Go Programmer's Manual page 62

4 - Command Set
Info ID Key Status
0x80 kcv_type=9
All other
0x80
kcv_types
* lbllen = Mutual Authentication Key's label length
** SN = serial number of certificate; DN = distinguished names of subject or issuer of certificate; Data
length varies with SN and DN length; max length is 59.
*** its corresponding CA certificate
**** KCV = Key Check Value, where the lowest 6 digits are valid
DynaPro Go| Handheld PIN Pad Device with MSR/Contact/Contactless | Programmer's Manual (COMMANDS)
Data
Data
Length
4 KCV value
0
Page 62 of 247 (D998200136-31)
Description
KCV for Acquirer Master Key
KCV****