Elo TouchSystems ET1725L Series, User Manual

Page: 124 / 192

Section 3. Commands
25
Read
Argument
Description
pin Collect PIN from cardholder and read PIN data from the device.
The following properties may be set before issuing this command:
•
account_no
– cardholder account number, including check digit,
if required
•
amount
– transaction amount in cents, without punctuation, if
required
•
enc_key
– (MSK mode only) encryption key to use:
M
for master,
S
for session,
0-3
for lower working keys,
A-J
for upper working keys.
•
xact_type
– (DUKPT mode only) transaction type:
D
for debit,
C
for
credit
The response will be:
/read P000
SS pin_block
SS is a two-digit status code:
00 – successful read
45 –
enc_key
is not defined
83 – aborted, etc.
pin_block is the encrypted PIN block as returned by the device.
Upon successful read, the following properties will be set:
•
Visa_mac1, visa_mac2, visa_mac3
– message authentication
codes (DUKPT mode only)
•
enc_key_sn
– serial number of encryption key (DUKPT mode only)