Patent ID: 11917073
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A user equipment, (UE), the UE being configured to provide integrity protection for a message, the UE comprising:
a processor; and
a memory, wherein the UE is configured to:
obtain inputs, the inputs comprising: i) an integrity key, ii) a transfer direction value indicating a transfer direction, iii) a frame-dependent integrity input, wherein the frame-dependent integrity input is a frame-dependent modulo count value that depends on a random value and on a frame-specific sequence number;
obtain the message; and
generate a message authentication code (MAC) for the message by applying the obtained inputs and the message to an integrity algorithm.