Dukpt Packet 73: Transfer Pin Block (For Packets Z60 Or Z63) - VeriFone MX800 series Programmer's Manual

DUKPT Packet 73:
Transfer PIN Block
(for Packets Z60 or
Z63)
DUKPT Packet 73
Length:
DUKPT Packet 73
Example:
Table 70 Packet 25 Communication Protocol
Master Device
<SI>25<SO>{LRC}
ACK if LRC okay
•
NAK if LRC incorrect (EOT
•
after 3 NAKs).
Response packet to Packet Z60: Accept and Encrypt PIN (VISA Mode)
Packet Z63: Accept and Encrypt PIN–Custom PIN Entry Requirements (VISA
Mode). The IPP encrypts the formatted clear-text PIN block and sends the cipher-
text PIN block to the master device.
Table 71 DUKPT Packet 73 Format
Data Element Characteristic
<STX> 1H
Packet Type 2AN
Packet 1A
Delimiter
00000 5N
[KSN] 10–20AH
Encrypted PIN 16AH
Block
<ETX> 1H
1H
{LRC}
•
MAX: 47 characters
•
MIN: 27 characters
<STX>73.0000001234567890123456789123456<ETX>{LRC}
Packet 73 is the response packet to
Mode), the PIN request packet with no errors detected. If errors are detected in
the Z60 or Z63 packet, the response packet is in the following format:
IPP MS DUKPT C
AND
Packet 25: Check the DUKPT Engine
Transmit
IPP
Direction
ACK if LRC okay.
•
NAK if LRC incorrect (EOT after 3
•
NAKs).
Response current active DUKPT
engine.
<SI>25[a]<SO>{LRC}
EOT terminates session.
Comments
Start of text, Value: 02h
Value: 73
Value: (.), 2Eh
Value: 00000
Key serial number; hex. (leading Fs
suppressed). Presented only if a PIN is entered;
length is 0 if no PIN is entered.
The 64-bit encrypted PIN block represented as
16 hexadecimal digits.
End of text, Value: 03h
Error check
Packet Z60: Accept and Encrypt PIN (VISA
X
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