manual
144
X2 Configuration Manual
enter pin Master Key
aCCess instruCtions:
From the Key Management screen, select the Enter Master Keys option by pressing <1> on the keypad.
From the Enter Master Keys screen, select Enter MAC Master Keys option by pressing <2> on the keypad.
DesCriptions:
PIN is an acronym for Personal Identication Number. The PIN Master Key provides key protection during
manual entry or downloading of the PIN Working Key.
Obtain the PIN Master Key from the processor. It must be entered before the PIN Working Key can be
downloaded.
The PIN Master Key normally consists of a two part, 64-character Triple DES key (32 characters in both
key parts). The PIN Master Key can be made up from the hexadecimal character set (the numbers 0-9 and
the letters A-F).
Follow these steps to enter the PIN Master Key:
D The rst screen to appear asks you to indicate whether this is a “New Key” or “Add Part” to an existing
key that was already entered. Use the <Clear> button on the keypad to select (highlight) the key type eld.
Use the <arrow> button on the keypad to alternate between the 2 options. Select the “New Key” option
when entering a new key or the rst part of a new key. After entering the rst part (32 characters), you will
automatically be prompted to enter the second part.