User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 9 – Online transaction messages with Master / Session keys 2015-04-20
Page226
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message Z60 PIN entry request with external prompt (MK/SK)
Format: <STX>Z60.[account]<FS>[session key]<FS>[timeout]<ETX>[LRC]
Message length: Variable 32 to 43 bytes (max. 59 bytes for TDES session key).
Usage: Request the PIN pad to accept customer PIN entry and encrypt it using the account
number and working key sent along in this message. The encrypted PIN block should
be retrieved via message 71.
Note: Z2/Z3 (PIN entry mode) required: Message Z2 or Z3 (PIN entry mode) should be
issued before this command, or PIN pad will send <EOT> and stop.
Aborting Transaction: Please refer to message 70.
PIN length: Please refer to message 70.
Master key must be selected before transaction: Please refer to message 70.
Triple DES capability: Please refer to message 70.
Session Key: If the selected key is with usage “P0”, the session key should be all
zeros.
Message element:
Field Length Value and description
<STX> 1 <02>
Z60 3 Message ID
. 1 <2E>, delimiter
[Account] 8 .. 19 Account number
<FS> 1 <1C>, Field separator
[Session key] 16 or
32
Session key encrypted with selected master
key. 32-characters session key produces
TDES encrypted PIN block with EDE
order.
Format: hexadecimal string.
This filed should be all zeros if the selected
key is with usage “P0”
<FS> 1 (Optional) <1C>, Field separator
[timeout] 1 (Optional) ASCII character from ‘1’ to ‘9’
which is the timeout value in the unit of 30
seconds. Default = 9x30 = 270 seconds.
<ETX> 1 <03>
[LRC] 1 Checksum