A Transform for NIZK Almost as Efficient and General as the Fiat-Shamir Transform Without Programmable Random Oracles

Michele Ciampi,Giuseppe Persiano,Luisa Siniscalchi,Ivan Visconti

doi:10.1007/978-3-662-49099-0_4

A Transform for NIZK Almost as Efficient and General as the Fiat-Shamir Transform Without Programmable Random Oracles

Michele Ciampi, Giuseppe Persiano + Show 2 more

Open Access

https://doi.org/10.1007/978-3-662-49099-0_4

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Publication Date: Dec 24, 2015

Citations: 24

Affiliation: University of Salerno

#Zero-knowledge Argument Systems #Non-interactive Zero-knowledge + Show 8 more

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Abstract

The Fiat-Shamir (FS) transform is a popular technique for obtaining practical zero-knowledge argument systems. The FS transform uses a hash function to generate, without any further overhead, non-interactive zero-knowledge (NIZK) argument systems from public-coin honest-verifier zero-knowledge (public-coin HVZK) proof systems. In the proof of zero knowledge, the hash function is modeled as a programmable random oracle (PRO).

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