Magtek DynaFlex II Go Programmer's Manual page 149

6 - Commands
Table 6.10-1 - Request Data for Command 0xF017 - Establish Ephemeral KBPK
Tag Len
Beginning of any wrappers, at minimum including Request Message found on page 32
F017 = Command 0xF017 - Establish Ephemeral KBPK
Security Parameters
This contains a Security Parameters Type TLV data object
with only the first parameter populated with:
A1 var 01 = Key Agreement,
01 = ECDHE,
05 = Curve P521,
01 = SP800-56A
Host Ephemeral Public Key
This parameter is in ASN.1 format. The information of the
83 var
cipher and key size are included in the ASN.1 Public Key file
(PKCS#8).
Host Random Token
84 08
This contains an 8 byte random number generated by the host.
Table 6.10-2 - Response Data for Command 0xF017 - Establish Ephemeral KBPK
Tag Len
Beginning of any wrappers, at minimum including Response Message found on page 33
F017 = Command 0xF017 - Establish Ephemeral KBPK
Security Parameters
This contains a Security Parameters Type TLV data object
A1 var
populated entirely with 0x00 padding to indicate that all values
are the same as the corresponding values in the Request.
Device Ephemeral Public Key
83 var This parameter is in ASN.1 format. The information of the
cipher and key size are included in the ASN.1 key file.
Device Random Token
84 08 This contains an 8 byte random number generated by the
device.
End of any wrappers, at minimum including Response Message found on page 33
Table 6.10-3 - Request Example
AA 00
81 04 01 10 F0 17
84 82 01 8C
EE EE
A1 24
DynaFlex II Go| Secure Card Reader | Programmer's Manual (COMMANDS)
Value / Description
Value / Description
Example (Hex)
// Secure Wrapper
Page 149 of 301 (D998200597-102)
Typ Req Default
B R
B R
B R
Typ Req Default
B R
B R
B R