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Designated Verifier/Prover and Preprocessing NIZKs from Diffie-Hellman Assumptions
Non-interactive zero-knowledge proofs Diffie-Hellman assumptions Homomorphic signatures
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2019/3/1
In a non-interactive zero-knowledge (NIZK) proof, a prover can non-interactively convince a verifier of a statement without revealing any additional information. Thus far, numerous constructions of NI...
An Algebraic Framework for Diffie-Hellman Assumptions
generic hardness zero knowledge
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2014/3/12
We put forward a new algebraic framework to generalize and analyze Diffie-Hellman like Decisional Assumptions which allows us to argue about security and applications by considering only algebraic pro...
Fast Digital Signature Schemes as Secure as Diffie-Hellman Assumptions
Public-key cryptography signature schemes discrete logarithm problem
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2008/9/19
This paper presents two fast digital signature schemes based on Difffie-Hellman
assumptions. In the random oracle model, the first scheme S1 has a tight security reduction
to the computational Dif...