온라인 서버가 없는 환경에서 이동형 리더의 프라이버시를 보호하는 안전한 RFID 검색 프로토콜A Secure RFID Search Protocol Protecting Mobile Reader's Privacy Without On-line Server
- Other Titles
- A Secure RFID Search Protocol Protecting Mobile Reader's Privacy Without On-line Server
- Authors
- 임지환; 오희국; 김상진
- Issue Date
- Apr-2010
- Publisher
- 한국정보보호학회
- Keywords
- Mobile RFID; Serverless RFID Search System; Reader Privacy
- Citation
- 정보보호학회논문지, v.20, no.2, pp.73 - 90
- Indexed
- KCI
- Journal Title
- 정보보호학회논문지
- Volume
- 20
- Number
- 2
- Start Page
- 73
- End Page
- 90
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40301
- ISSN
- 1598-3986
- Abstract
- Recently, Tan et al. introduced a serverless search protocol in which a mobile reader maintains a tag authentication list and authenticates a tag using the list without connecting authentication server. A serverless RFID system is different from general RFID systems which use on-line server models. In the serverless RFID system, since the mobility of a personalized reader must be considered, we have to protect not only the privacy of a tag but also the privacy of a mobile reader. In this paper, we define new security requirements for serverless RFID search system and propose a secure serverless RFID search system. In our system, since tag authentication information maintained by a reader is updated in every session, we can provide the backward untraceability of a mobile reader. Also we use an encrypted timestamp to block a replay attack which is major weakness of search protocols. In addition, we define a new adversary model to analyze a serverless RFID search system and prove the security of our proposed system using the model.
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