Conference key distribution schemes for portable communication systems

Authors:
C.-C Chang;P.-C Huang;W.-B Lee
Affiliations:
Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621;Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621;Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621
Venue:
Computer Communications
Year:
1999

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Abstract

In the future, the portable communication system will be more and more popular. In this paper, we propose a new scheme that, with the help of this convenient system, can be used to hold conferences with only one common conference key while maintaining a high security level. Our new scheme can solve the problems of the low computation power of portable telephones and the heavy traffic between several participators. Our scheme does not only reduce the computation cost of portable telephones, but also alleviate communication traffic cost. Certainly, our scheme achieves two basic requirements: privacy and authentication.