This is a token unique to the Trust Center and network that the device is running on, and is assigned by the Trust center after joining.
The token is used to renegotiate a link key using the Key Negotiation protocol and is good for the life of the device on the network.
1 Install Code Key
128-bit pre-configured link-key derived from install code
2 Passcode Key
A variable length passcode for PAKE protocols. This passcode can be shorter for easy entry by a user.
3 Basic Access Key
This key is used by other Zigbee specifications for joining with an alternate pre-shared secret.
The definition and usage is defined by those specifications. The usage is optional by the core Zigbee specification.
4 Administrative Access Key
This key is used by other Zigbee specifications for joining with an alternate pre-shared secret.
The definition and usage is defined by those specifications. The usage is optional by the core Zigbee specification.
Bits: