상세정보
학술지
Improved Delegation-Based Authentication Protocol for Secure Roaming Service with Unlinkability
- 저자
- 윤택영, 임종인
- 발행일
- 201009
- 출처
- IEEE Communications Letters, v.14 no.9, pp.791-793
- ISSN
- 1089-7798
- 출판사
- IEEE
- 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.
- KSP 제안 키워드
- Communication system, Delegation-based authentication, Global mobility networks, Identity Privacy, User Privacy, authentication protocol, roaming service