US 12,225,377 B2
Methods for trust information in communication network and related communication equipment and communication device
Vesa Lehtovirta, Espoo (FI); Prajwol Kumar Nakarmi, Sollentuna (SE); Helena Vahidi Mazinani, Lund (SE); Noamen Ben Henda, Vällingby (SE); and Markus Hanhisalo, Espoo (FI)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/774,896
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Nov. 9, 2020, PCT No. PCT/SE2020/051081
§ 371(c)(1), (2) Date May 6, 2022,
PCT Pub. No. WO2021/096410, PCT Pub. Date May 20, 2021.
Prior Publication US 2022/0394473 A1, Dec. 8, 2022
Int. Cl. H04W 12/082 (2021.01); H04W 8/06 (2009.01); H04W 12/069 (2021.01); H04W 12/60 (2021.01); H04W 60/00 (2009.01); H04W 84/04 (2009.01)
CPC H04W 12/082 (2021.01) [H04W 8/06 (2013.01); H04W 12/069 (2021.01); H04W 12/66 (2021.01); H04W 60/00 (2013.01); H04W 84/042 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method performed by a network equipment of a communication network to dynamically provide trust information to a communication device registered to or being registered the communication network, the method comprising:
determining a trust information for each of one or more access networks, wherein the trust information indicates whether each of the one or more access networks is trusted, wherein the determining a trust information for each of one or more access networks comprises protecting a trust information list with a key shared with the communication device to obtain a protected trust information list; and
indicating to the communication device whether the one or more access networks is trusted for a current session or a later session, wherein the indicating to the communication device whether the one or more access networks is trusted for a current session or a later session comprises sending the protected trust information list toward the communication device.