Command Description; Choose Pin Encryption Key; Command Format - Newland NL-PP60 User Manual

If KSN setting success, responding data:
CMD
0X97
KSN (10 bytes): The KSN of current PINPAD (DUKPT of ANSI x9.24)
Or responding the wrong information:
CMD
0x15
Error Code:
0x01 Sending data Length field Error
0x0d EDC Error
0xe3 KNS does not exist
0xff Exceptions

4.11.2 Command Description

In DUKPT system, current KSN is used to do the synchronization between Host and
terminal' current KEY. Every time enter the PIN, the KSN will change once. So before enter
the PIN, must read the current KSN first ( KSN is use to synchronization with Host).

4.12 Choose PIN Encryption Key

4.12.1 Command Format

Send data
CMD LEN
0x82 0x0c
PkeyID (Single Bit): to set the PIN Encryption Key's serial number (DUKPT Key's
LEN Data
0x0a KSN
LEN DATA
0x01 Error Code
DATA
PkeyID PKeyMode
such field is invalid);
EDC
Verification
EDC
Verification
max AuthCode
EDC
Verification