Patent ID: 11930115
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. A management node for managing a device operable to join a network, the management node comprising a processor and a memory, the memory containing instructions executable by the processor such that the management node is operable to:
receive from the device a request to join the network, the request comprising a device specific parameter and a token;
generate an authentication parameter from the device specific parameter and the token; and
authorise the device to join the network if the authentication parameter fulfils a validity criterion,
wherein generating the authentication parameter from the device specific parameter and the token comprises:
generating an input comprising the device specific parameter and the token;
computing a cryptographic function of the generated input; and
setting an output of the cryptographic function as the authentication parameter,

wherein the validity criterion comprises a required value for characters in specified positions of the generated authentication parameter.