Ingenico i6780 - Finding the Key Check Value: Terminal Keys

5.5.5 Finding the Key Check Value: Terminal Keys
The key check value is a hexadecimal value that is used to verify that you have the right key in
the terminal. You can find a key check value for terminal keys or application keys. This section
covers terminal keys.
Display Action
Restart the terminal by pressing [1] + [Cancel] +
[Enter] simultaneously; while the terminal is
starting up, press [1] + [3] simultaneously to
access the Extended Menu.
Extended Menu
Serialnum Inject
System Config
System Info
Supervisor Menu
Using the stylus, tap
Supervisor Menu.
Enter Password:
Key password [2] [6] [3] [4], then press [Enter].
Supervisor Menu
Change Password
Application File
Security
Tap
Security.
Security
Key Injection
Key Check Value
Erase App Keys
Serialnum Inject
Tap
Key Check Value.
Key Check Value
Term Keys
Select the type of key check values you want to
see.
Application Keys
Terminal Keys
Special Keys
M/S Keys
DUKPT Keys
Select the type of terminal key.
Special Keys
KTK:
XXXXXX
Secure Text Key:
XXXXXX
Clear Text Key:
XXXXXX
Download Key:
XXXXXX
The values for the keys you selected display – one
of the following three screens will display (Special
Keys, M/S Keys, or DUKPT Keys).
Ingenico 6780 User’s Guide 33