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학술지 Improved Delegation-Based Authentication Protocol for Secure Roaming Service with Unlinkability
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저자
윤택영, 임종인
발행일
201009
출처
IEEE Communications Letters, v.14 no.9, pp.791-793
ISSN
1089-7798
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LCOMM.2010.080210.100353
협약과제
10ZS1100, 지식서비스기반 SW 핵심기술연구, 황승구
초록
Recently, Lee et al. proposed a delegation-based authentication protocol which provides secure and private roaming service for portable communication systems in global mobility networks. In this paper, we show that 1) Lee et al.'s protocol cannot protect users' privacy even though the protocol provides the user identity privacy; and 2) the unlinkability is required for delegation-based authentication protocols to provide user privacy. Moreover, we propose an improved protocol with the unlinkability by modifying Lee et al.'s protocol. © 2010 IEEE.
키워드
authentication, portable communication systems, Security, unlinkability
KSP 제안 키워드
Communication system, Delegation-based authentication, Global mobility networks, Identity Privacy, User Privacy, authentication protocol, roaming service