US 12,439,249 B2
Methods and apparatus relating to authentication of a wireless device
Jianxin Ma, Shanghai (CN)
Assigned to Telefonaktiebolaget LM Ericsson (Publ), Stockholm (SE)
Appl. No. 17/598,439
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Mar. 29, 2019, PCT No. PCT/CN2019/080564
§ 371(c)(1), (2) Date Sep. 27, 2021,
PCT Pub. No. WO2020/198991, PCT Pub. Date Oct. 8, 2020.
Prior Publication US 2022/0182822 A1, Jun. 9, 2022
Int. Cl. H04W 12/06 (2021.01)
CPC H04W 12/06 (2013.01) 7 Claims
OG exemplary drawing
 
1. A method for operating a wireless device that is operable to connect to a network, the method, performed by the wireless device, comprising:
initiating an authentication procedure toward the network by:
generating a random value;
generating a sequence number;
assembling an authentication token from at least the generated sequence number;
sending a message to an entity of the network requesting service over the network, the message including the generated random value and the authentication token;
receiving a message from the network entity, the message comprising an authentication parameter;
calculating an authentication parameter by:
inputting at least the random value and key material shared with the wireless device to an authentication function, the key material comprising a long term secret key; and
calculating a derivative of a result of the authentication function; and
comparing the received authentication parameter with the calculated authentication parameter.