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NIS05-2: An Efficient Proactive Share Refreshing Scheme for Secret Sharing in Distributed Systems

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2 Author(s)
Caimu Tang ; Dept. of Electr. & Comput. Eng., Univ. of Florida, Gainesville, FL ; Wu, D.O.

In this paper, we propose a proactive share refreshing scheme for secret share in a distributed system. It enjoys a strong secrecy property against both static and adaptive adversaries. It employs bit commitment technique to make the refreshing process efficient, and the key refreshing cost is less than 50% of the key generation time with key length at 163 bits while the public key is kept intact after share refreshing, which is a nice features of our scheme.

Published in:
Global Telecommunications Conference, 2006. GLOBECOM '06. IEEE

Date of Conference: Nov. 27 2006-Dec. 1 2006

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