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Security Enhanced Authentication and Key Agreement Protocol in Evolved Packet System

Title
Security Enhanced Authentication and Key Agreement Protocol in Evolved Packet System
Author
석선우
Alternative Author(s)
Shi, Shan Yu
Advisor(s)
최승원
Issue Date
2017-08
Publisher
한양대학교
Degree
Master
Abstract
The convenience of mobile network makes it an indispensable part of modern life. A lot of important information are transferred within the mobile network and should be well protected. However, there are still several vulnerabilities in the Evolved Packet System Authentication and Key agreement (EPS AKA) protocol for the LTE-A network as defined in the previous related works, such as sending the International Mobile Subscriber Identity (IMSI) in clear-text causing exposure of user identity and further causing user location tracing, man-in-the-middle(MITM) attack, replay attack, etc. Hence, in this thesis, a novel EPS AKA protocol is proposed to address these issues. A novel mechanism, named Dynamic Pseudonym Mechanism (DPM), is proposed to address the IMSI exposure, MITM attack and replay attack issues between User Equipment(UE) and Mobile Management Entity (MME). Compared with ciphering IMSI using Public Key Cryptography (PKC), the calculation amount of DPM is much less. Therefore, it makes the proposed protocol much more efficient while enhancing the security. The PKC is adopted to protect the transmitted messages between MME and Home Subscriber Server (HSS). The evaluation demonstrates that the proposed protocol is more secure and relatively more efficient than other PKC based security enhanced EPS AKA protocols, and satisfies all the security requirements including confidentiality, authentication, integrity and network availability.
URI
http://hdl.handle.net/20.500.11754/33614http://hanyang.dcollection.net/common/orgView/200000431053
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > ELECTRONICS AND COMPUTER ENGINEERING(전자컴퓨터통신공학과) > Theses (Ph.D.)
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