Abstract
We present the currently simplest, most efficient, optimally resilient, adaptively secure, and proactive threshold RSA scheme. A main technical contribution is a new rewinding strategy for analysing threshold signature schemes. This new rewinding strategy allows to prove adaptive security of a proactive threshold signature scheme which was previously assumed to be only statically secure. As a separate contribution we prove that our protocol is secure in the UC framework. © International Association for Cryptologic Research 2006.
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CITATION STYLE
Almansa, J. F., Damgård, I., & Nielsen, J. B. (2006). Simplified threshold RSA with adaptive and proactive security. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4004 LNCS, pp. 593–611). Springer Verlag. https://doi.org/10.1007/11761679_35
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