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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Anonymous Password-Based Authenticated Key Exchange
verfasst von : Duong Quang Viet, Akihiro Yamamura, Hidema Tanaka
Erschienen in: Progress in Cryptology - INDOCRYPT 2005
Verlag: Springer Berlin Heidelberg
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We propose and discuss an
anonymous password-based authenticated key exchange scheme
that allows a user in a group to establish a session key with a server in an anonymous way. In our scheme, each user in a legitimate group and the server share a human-memorable password, and they can authenticate each other. The scheme is secure against the dictionary attack. Furthermore, we extend this to the scheme that allows any subgroup of at least
k
-out-of-
n
users of the group to establish a session key with the server in an anonymous way.