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Patent Searching and Data


Title:
KEY ACQUISITION METHOD AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/088029
Kind Code:
A1
Abstract:
Disclosed are a key acquisition method and a communication apparatus, which relate to the field of communications, and are used for sharing a key between a remote user equipment and a relay user equipment. The key acquisition method comprises: a remote user equipment sending a first identifier and a relay service code to a relay user equipment, wherein the first identifier is an identifier, corresponding to the relay service code, of the remote user equipment, or the first identifier is an anonymous identifier of the remote user equipment; and according to a first shared key, the relay service code and at least one first freshness parameter, the remote user equipment generating a root key for communication between the remote user equipment and the relay user equipment, wherein a remote authentication service function network element is an authentication service function network element that serves the remote user equipment, and the first shared key is a key shared between the remote user equipment and the remote authentication service function network element.

Inventors:
WU YIZHUANG (CN)
Application Number:
PCT/CN2020/125224
Publication Date:
May 05, 2022
Filing Date:
October 30, 2020
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L9/00
Foreign References:
CN109716810A2019-05-03
CN109842880A2019-06-04
US20190223063A12019-07-18
Other References:
See also references of EP 4224777A4
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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