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IEICE TRANSACTIONS on Information

A Security Enhanced 5G Authentication Scheme for Insecure Channel

Xinxin HU, Caixia LIU, Shuxin LIU, Xiaotao CHENG

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Summary :

More and more attacks are found due to the insecure channel between different network domains in legacy mobile network. In this letter, we discover an attack exploiting SUCI to track a subscriber in 5G network, which is directly caused by the insecure air channel. To cover this issue, a secure authentication scheme is proposed utilizing the existing PKI mechanism. Not only dose our protocol ensure the authentication signalling security in the channel between UE and SN, but also SN and HN. Further, formal methods are adopted to prove the security of the proposed protocol.

Publication
IEICE TRANSACTIONS on Information Vol.E103-D No.3 pp.711-713
Publication Date
2020/03/01
Publicized
2019/12/11
Online ISSN
1745-1361
DOI
10.1587/transinf.2019EDL8190
Type of Manuscript
LETTER
Category
Information Network

Authors

Xinxin HU
  Information Engineering University
Caixia LIU
  Information Engineering University
Shuxin LIU
  Information Engineering University
Xiaotao CHENG
  Information Engineering University

Keyword