Elo TouchSystems 1525L - Manual (Page 114)

Section 3. Commands
111
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)