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Title:
Non-Interactive Zero Knowledge from Sub-exponential DDH
Authors: Abhishek Jain, Zhengzhong Jin
Abstract:We provide the first constructions of non-interactive zero-knowledge and Zap arguments for NP based on the sub-exponential hardness of Decisional Diffie-Hellman against polynomial time adversaries (without use of groups with pairings). Central to our results, and of independent interest, is a new notion of interactive trapdoor hashing protocols.
ePrint: https://eprint.iacr.org/2021/514
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