On sequential composition of precise zero-knowledge |
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Authors: | Ning Ding Da-wu Gu |
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Institution: | DING Ning,GU Da-wu(Department of Computer Science , Engineering,Shanghai Jiaotong University,Shanghai 200240,China) |
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Abstract: | Precise zero-knowledge was introduced by Micali and Pass in STOC'06.This notion captures the idea that the view of any verifier in interaction can be reconstructed in almost time.Pass also obtained a sequential composition lemma for precise zero-knowledge protocols.However,this lemma doesn't provide tight precisions for composed protocols.In this paper we further obtain a sequential composition lemma for a subclass of precise zero-knowledge protocols,which all satisfy a property:their simulators use the cod... |
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Keywords: | cryptography zero-knowledge precise zero-knowledge |
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