상세정보
학술지
Security Vulnerability of ID-Based Key Sharing Schemes
- 저자
- 황정연, 윤택영, Willy Susilo
- 발행일
- 200910
- 출처
- IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, v.E92-A no.10, pp.2641-2643
- ISSN
- 1745-1337
- 출판사
- 일본, 전자정보통신학회 (IEICE)
- 협약과제
- 09MS2300, 익명성 기반의 u지식정보보호기술 개발, 조현숙
- 초록
- Recently, several ID-based key sharing schemes have been proposed, where an initiation phase generates users' secret key associated with identities under the hardness of integer factorization. In this letter, we show that, unfortunately any key sharing scheme with this initiation phase is intrinsically insecure in the sense that the collusion of some users enables them to derive master private keys and hence, generating any user's secret key. Copyright © 2009 The Institute of Electronics, Information and Communication Engineers.
- KSP 제안 키워드
- ID-based, Information and communication, Security vulnerabilities, integer factorization, key sharing, secret key