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Paper 2008/457

On the Composability of Statistically Secure Bit Commitments

Rafael Dowsley and Jeroen van de Graaf and Jörn Müller-Quade and Anderson C. A. Nascimento

Abstract

We show that stand-alone statistically secure commitments based on two-party stateless primitives are statistically universally composable. I.e. they are simulatable secure with an unlimited adversary, an unlimited simulator and an unlimited environment machine. Especially, these protocols can be used in arbitrary statistically secure applications without lowering the security.

Note: references updated

Metadata
Available format(s)
PDF
Publication info
Published elsewhere. Unknown where it was published
Contact author(s)
rafael @ dowsley net
History
2013-02-28: last of 2 revisions
2008-11-02: received
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Short URL
https://ia.cr/2008/457
License
Creative Commons Attribution
CC BY
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