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Non-Malleable Non-Interactive Zero Knowledge and Adaptive Chosen-Ciphertext Security

Non-Malleable Non-Interactive Zero Knowledge and Adaptive Chosen-Ciphertext Security. Amit Sahai (MIT). What We Do. Identify a new security concern for Non-Interactive Zero Knowledge (NIZK) in shared random string model. Show how to overcome this concern  stronger notion of NIZK .

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377 views • 24 slides

Identity-Based Zero-Knowledge

Identity-Based Zero-Knowledge. Jonathan Katz Rafail Ostrovsky Michael Rabin U. Maryland U.C.L.A. Harvard U. History: recall original ZK motivation of GMR. Prover can interactively convince verifier that x is in L

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230 views • 21 slides

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