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Patent Searching and Data


Title:
MESSAGE PROTECTION METHOD, USER DEVICE AND CORE NETWORK DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/137195
Kind Code:
A1
Abstract:
Provided in the embodiments of the present application are a message protection method, a user device, and a core network device. The method comprises: sending a request message without security protection to the core network device, the request message comprising a first random number; receiving an abnormal response message, the abnormal response message comprising a third random number and a signature; and, on the basis of the third random number, the signature, and an acquired certificate, determining whether the abnormal response message is a valid message. The message protection method provided in the embodiments of the present application can implement security protection for messages transmitted before a security context is established between the user device and the core network device, improving the security of network communication.

Inventors:
CHEN, Jing (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
HU, Li (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
Application Number:
CN2017/072665
Publication Date:
August 02, 2018
Filing Date:
January 25, 2017
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
International Classes:
H04L9/32
Foreign References:
CN1802017A2006-07-12
CN1802018A2006-07-12
US8566465B22013-10-22
Other References:
ZHU, YINGMIN: "The Analysis and Research on IEEE802.16 Security Sublayer of Wireless Metropolitan Area Networks", MASTER THESIS, vol. 01, 31 January 2010 (2010-01-31), pages 1 - 65, XP009515620
See also references of EP 3565178A4
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (8F-6, Bldg.A Winland International Center,NO.32 Xizhimen North Street, Haidian District, Beijing 2, 100082, CN)
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