Access Control#
✓ |
⨯ |
⨯ |
⨯ |
⨯ |
⨯ |
⨯ |
⨯ |
The following access matrix shows what authentication a certain operation requires.
Operation |
PIN |
PUK |
MGM |
Remarks |
|---|---|---|---|---|
Change PIN |
x |
|||
Change PUK |
x |
|||
Change MGM |
x |
|||
Unblock PIN |
x |
|||
Generate key |
x |
x |
||
Read certificate |
This operatain does not require authentication. |
|||
Write certificate |
x |
x |
Personal Identification Number (PIN)#
The PIN is used for key operations, such as signing and authentication.
The factory default for the PIN is 123456.
Note
The PIN must have maximal length of 8 characters. It can contain alphanumeric characters, including special characters such as punctations.
Warning
The PIN is subject to the restriction of a retry counter. Please refer to the chapter Retry Counter to learn more.
Connect the Nitrokey 3 with your computer.
On the terminal enter
nitropy nk3 piv change-pin.
Personal Unblocking Key (PUK)#
The PUK is used for management operations, such as unblocking the PIN.
The factory default for the PUK is 123456.
Note
The PUK must have a maximal length of 8 characters. It can contain alphanumeric characters, including special characters such as punctations.
Warning
The PUK is subject to the restriction of a retry counter. Please refer to the chapter Retry Counter to learn more.
Connect the Nitrokey 3 with your computer.
On the terminal enter
nitropy nk3 piv change-puk.
Retry Counter#
The retry counter is used for the PIN and PUK. The counter decrements for every failed login attempt. A retry counter of zero means that there are no attempts left.
The PIN has a retry counter of 3 attempts. If these attempts are used up, the PIN must be unlocked with the PUK.
To unblock the PIN, use the command nitropy nk3 piv reset-retry-counter.
This command requires the PUK.
The PUK has a retry counter of 3 attempts. If these attempts are used up, the PIV Card can not be used anymore and must be reset to factory defaults. Please refer to the chapter Factory Reset to learn more.
Management Key (MGM)#
The management key is used for management operations.
Before you can perform management operations you must authenticate with the management key.
The authentication is done with nitropy nk3 piv admin-auth.
The management key can be changed with nitropy nk3 piv change-admin-key.