Patent ID: 11889301
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A method, in a wireless device operating in a wireless network, for providing security of messages, the method comprising:
generating one or more security keys for encryption and/or integrity protection of signaling and/or data, using one or more security parameters received by the wireless device while in a Radio Resource Control (RRC) inactive state;
sending, while in the RRC inactive state, a message requesting resumption of an RRC connected state;
starting a timer according to a predetermined value, upon sending the message; and
while said timer is running, attempting decryption and/or integrity check handling for all packets received from the wireless network, using the generated one or more security keys.