VeriFone MX800 Series - Page 334

IPP MS AND DUKPT COMMUNICATIONS PACKETS
Packet 25: Check the DUKPT Engine
334 M
X
800 SERIES PROGRAMMERS GUIDE
DUKPT Packet 75
Example:
VISA:
PC ---> PINPAD : <STX>7801234567890<FS>C19.99<ETX>{LRC}
PC <--- PINPAD : <ACK>
PC <--- PINPAD :
<STX>75FCD3CA45D04396624CF6892B04A000002468000048D5D7AF0333800FD<ETX>{LRC}
PC ---> PINPAD : <ACK>
ANSI:
PC ---> PINPAD : <STX>7801234567890<US>C19.99<ETX>{LRC}
PC <--- PINPAD : <ACK>
PC <--- PINPAD :
<STX>7500000000D04396624CF6892B04A000002468000048D5D7AF0333800FD<ETX>{LRC}
PC ---> PINPAD : <ACK>
Packet 75 is the response packet to packet Z69 or packet 78, PIN request, when
no errors are detected in the request packet. If errors are detected in packet Z69
or packet 78, the response packet is in the following format:
DUKPT Packet 75
Length:
• MAX: 6 characters
• MIN: 6 characters
DUKPT Packet 75
Example:
<STX>751<ETX>{LRC}
Table 84 DUKPT Packet 75 Format: Errors Detected in Packet Z69 or
Packet 78
Data Element Characteristic Comments
<STX> 1H Start of text, value: 02h
Packet Type 2AN Value: 75
Error Code 1N • 1 = no key
• 2 = account error
• 3 = PIN too long
• 4 = PIN too short/non-decimal digit in PIN
• 5 = C|D field error/not DUKPT mode
• 6 = PIN pad has over 1 million transactions
• 7 = amount error
• 8 = ANSI MAC not allowed when using 1DES
DUKPT
<ETX> 1H End of text, value: 03h
{LRC} 1H Error check