User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 7 – Contactless EMV Level 2 transaction messages 2015-04-20
Page126
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message T54 PCD Certification Authority Public Key Setup Response
Format: <STX>T54[Sequence][Res][Reason][Err Msg]<ETX>[LRC]
Message length: Variable.
Usage: The response message of command T53.
Message element:
1
st
, 2
nd
Packet:
Field Length Value and description
<STX> 1 <02>
T54 3 Message ID
Sequence 1 1 / 2 (first/second part of RSA public key)
Res 1 ‘0’: Ok,
‘1’: Fail
Reason 1 ‘1’: Fatal Error
‘2’: Format Error
‘3’: Authentication Fail
Err Message 8 Optional, if Reason = ‘1’Hex String
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow: Please refer to message T53.