VeriFone MX800 Series - DUKPT Packet 76: PIN Entry Test Request

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