User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06

Section 9 – Online transaction messages with Master / Session keys 2015-04-20

Page229

Uniform Industrial Corp. Proprietary and Confidential Total 342 pages

Message element:

Field Length

Value and description

Z62 3 Message ID

. 1 <2E>, delimiter

[account] 8 .. 19 Account number

<FS> 1 <1C>, field separator

[session key] 16 or

Session key encrypted with selected master key.

32-characters session key produces TDES encrypted

PIN block with EDE order.

Format: hexadecimal string.

This filed should be all zeros if the selected key is with

usage “P0”

[minPIN] 2 00, 04 .. 12 minimum PIN length.

('00' only available when [null flag] set to 'Y').

[maxPIN] 2 00, 04 .. 12 maximum PIN length.

('00' only available when [null flag] set to 'Y').

[null flag] 1 Y Null PIN allowed

N Null PIN not allowed

[prompt1] 1 .. 16 Prompt displayed before any key is pressed, alternate

with prompt2

<FS> 1 <1C>, field separator

[prompt2] 1…16 (optional)Prompt displayed before any key is pressed,

alternate with prompt1

<FS> 1 <1C>, field separator

[proc prompt] 1…16 (optional)Prompt displayed after PIN is entered

<FS> 1 (optional) <1C>, field separator

[timeout] 1 (optional) ASCII character from ‘1’ to ‘9’ which is the

timeout value in the unit of 30 seconds. Default = 9x30

= 270 seconds.

[LRC] 1 Checksum