Packet 25: Check The Dukpt Engine - VeriFone MX800 series Programmer's Manual

IPP MS DUKPT C
AND OMMUNICATIONS

Packet 25: Check the DUKPT Engine

Packet 25: Check
the DUKPT Engine
NOTE
Request Packet
Format
Packet 25 Length:
Response Packet
Format
Packet 25 Length:
326
M X 800 S P
ERIES ROGRAMMERS
P
ACKETS
The application sends this packet to the IPP to check the current active DUKPT
engines ("0", "1", or "2").
This packet is added for IPP8 emulation.
<SI>25<SO>{LRC}
Table 68 Packet 25 Format
Data Element Characteristic
<SI> 1H
Packet Type 2AN
<SO> 1H
{LRC} 1H
•
Maximum: 5 characters
•
Minimum: 5 characters
<SI>25[PUSN]<SO>{LRC}
Table 69 Packet 25 Format
Data Element
<SI>
Packet Type
[a]
<SO>
{LRC}
•
Maximum: 6 characters
•
Minimum: 6 characters
Sample Packet:
To Check DUKPT Engine:
<SI>25<SO>{LRC}
Response packet, DUKPT Engine "1" = active DUKPT Engine:
<SI>251<SO>{LRC}
G
UIDE
Comments
Shift in, value: 0Fh
Value: 25
Shift out, value: 0Eh
Error check
Characteristic Comments
1H Shift in, value: 0Fh
2AN Value: 25
1N Active DUKPT Engine: "0", "1",or "2"
1H Shift Out, value: 0Eh
1H Error Check