Dukpt Packet 76: Pin Entry Test Request - VeriFone MX800 series Programmer's Manual

IPP MS DUKPT C
AND OMMUNICATIONS
Packet 25: Check the DUKPT Engine
DUKPT Packet 76:
PIN Entry Test
Request
DUKPT Packet 76
Length
NOTE
Table 78 DUKPT Packet 76 Communication Protocol
Master Device
76 Packet
ACK if LRC
•
NAK if LRC incorrect
•
EOT after 3 NAKs
•
330
M X 800 S P
ERIES ROGRAMMERS
P
ACKETS
Table 76 DUKPT Packet 91 Communication Protocol
Master Device
ACK if LRC
•
NAK if LRC incorrect
•
EOT after 3 NAKs
•
Directly presets the PIN code '1234' to do encryption and send response
packet 71.
Table 77 DUKPT Packet 76 Format
Data Element Characteristic
<STX> 1H
Packet Type 2AN
[account#] 8-19N
<FS> 1H
[C/D] 1H
[amount] 3-7N
<ETX> 1H
1H
{LRC}
•
MAX: 33 characters
•
MIN: 18 characters
The amount filed must be present in the packet command, but the format is not
confirmed.
Transmit
Direction
G
UIDE
Transmit
Direction
Comments
Start of text, value: 02h
Value: 76
Card account number
Field separator, value: 1Ch
Credit/Debit indicator, value: 43h/44h
Transaction amount must include the decimal
point.
End of text, value: 03h
Error check
IPP
ACK if LRC
•
NAK if LRC incorrect
•
Packet 71 with PIN = 1234
IPP
Packet 91