Multi-seed key distribution scheme with test system

Authors:
Xie Yumin;Shi Feng;Muhammad Kamran
Affiliations:
Dept. of Computer Science & Engineering, Beijing Institute of Technology, Beijing, China;Dept. of Computer Science & Engineering, Beijing Institute of Technology, Beijing, China;Dept. of Computer Science & Engineering, Beijing Institute of Technology, Beijing, China
Venue:
ACOS'06 Proceedings of the 5th WSEAS international conference on Applied computer science
Year:
2006

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Abstract

The key problem of securing multicast is to generate, distribute and update Session Encryption Key(SEK). After analyzing PE scheme and its shortage, a group key distribution scheme utilizing a polynomial expansion with multi-seed (M-PE) is proposed. Its operation is demonstrated by using multi-seed, the group member is partitioned to many subgroups. While updating the SEK, computation is needed only in one of subgroups, the other of them will use the computation history to update their SEK. A prototype test system is designed in order to validate our new scheme especially for its computable complexity. In the system, a kind of technology of producing a strict prime number is introduced as well as a table is designed in order to reduce the computation complexity.