Chen-Hua Fu

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As UMTS systems have evolved into an all-IP stage, packet switching becomes a prerequisite for all UMTS applications within an UMTS core network, where the traffic of UMTS applications consist of four classes: conversational, streaming, interactive, and background, each of which has its QoS features and packets transmission priority. In this paper, a(More)
With the emergence of cloud computing, conventional threeparty authenticated key exchange (3PAKE) protocols face two common problems; one is that the server and users are not in the same domain, and therefore, the shared authenticated keys may be unknowingly compromised. The other problem is these protocols require higher on-line computation cost and(More)
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