- 著者
-
CHEN Chien-Ming
KU Wei-Chi
- 出版者
- 一般社団法人電子情報通信学会
- 雑誌
- IEICE transactions on communications (ISSN:09168516)
- 巻号頁・発行日
- vol.85, no.11, pp.2519-2521, 2002-11-01
- 被引用文献数
-
26
Recently, Lin et al. addressed two weaknesses of a new strong-password authentication scheme, the SAS protocol, and then proposed an improved one called the OSPA (Optimal Strong-Password Authentication) protocol. However, we find that both the OSPA protocol and the SAS protocol are vulnerable to the stolen-verifier attack.