Kiyoh Nakamura

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This paper discusses a global environment for support of distributed concurrent sojiware development with an emphasis on sharing design information. There are many issues to be resolved in global sofhvare development such as communication gaps between distributed sites, guaranteed access to the latest information and spec8cation and design resources,(More)
In this paper, we propose a scheme that enhances the security of long-term private key l<sub>ID</sub> used in the tripartite authenticated key agreement protocol. In this scheme, we use (H(l<sub>ID</sub>Pmacr)l<sub>ID</sub>)P (H: hash function) instead of l<sub>ID</sub>P (P: a rational point of the defined elliptic curve over F<sub>p</sub>) as a static(More)
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