Computer Science – Cryptography and Security
Scientific paper
2011-11-11
Computer Science
Cryptography and Security
7 pages
Scientific paper
Song \cite{Song10} proposed very recently a password-based authentication and
key establishment protocol using smart cards which attempts to solve some
weaknesses found in a previous scheme suggested by Xu, Zhu, and Feng
\cite{XZF09}. In this paper, we present attacks on the improved protocol,
showing that it fails to achieve the claimed security goals.
Clark John A.
Hernandez-Castro Julio C.
Peris-Lopez Pedro
Tapiador Juan E.
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