지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
In this paper, we analyze a dynamic threshold decryption scheme proposed by Long et al. It was claimed that the scheme allows to renew the master key, or to add/remove or update a decryption server, without leaking any information on the master key and changing other decryption server's secret keys. We present an attack to Long et al's scheme by using the fact that it renews a decryption server's secret key without changing other decryption server's secret shares.
목차
등록된 정보가 없습니다.
참고문헌 (6)
참고문헌 신청
A. Shamir / 1984 / Identity based cryptosystems and signature schemes / Advances in Cryptology-Crypto 1984, LNCS : 47 ~ 53
B. Libert / 2003 / Efficient revocation and threshold pairing based cryptosystems / PODC 2003 : 163 ~ 171
D. Boneh / 2001 / Identity-based encryption from the Weil pairing / Advances in Cryptology-Crypto 2001, LNCS : 213 ~ 229
D. Boneh / 2004 / Efficienty Selective-ID Secure Identity based encryption scheme without random oracles / Advances in Cryptology-Eurocrypt 04, LNCS : 223 ~ 238
Y. Long / 2006 / Construction of dynamic threshold decryption scheme from pairing / International Journal of Network Security 2 (2) : 111 ~ 113
B. Libert / 2003 / Efficient revocation and threshold pairing based cryptosystems / PODC 2003 : 163 ~ 171
D. Boneh / 2001 / Identity-based encryption from the Weil pairing / Advances in Cryptology-Crypto 2001, LNCS : 213 ~ 229
D. Boneh / 2004 / Efficienty Selective-ID Secure Identity based encryption scheme without random oracles / Advances in Cryptology-Eurocrypt 04, LNCS : 223 ~ 238
Y. Long / 2006 / Construction of dynamic threshold decryption scheme from pairing / International Journal of Network Security 2 (2) : 111 ~ 113
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