Application of the Central Encryption System in the Dynamic Secret Sharing Scheme (II)

Yulian Shang, Min Feng, Peng Li, Kaiquan Shi


Based on the simple introduction of the multi-teeth encryption-decryption algorithm (Shang, 2010, P.1500-1502.), a dynamic secret sharing scheme based on the multi-teeth central encryption system is proposed in this article. In this research, for any K system members , they respectively select the positive integer in the set of  distributed randomly, and , and  is opened. By P <G, X, >, any l (or more)  could reconstruct the shared secret key, and . The result indicates that the scheme proposed in this article has good characteristics of security and encryption.

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