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Zhengzhong Jin

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titleconferencedate
Towards SNARGs for NP from Standard AssumptionsProofs (Simons Institute)2025-07-11
Constructs a SNARG that, under LWE, handles any NP instance whose non‑membership has a polynomial‑size Extended Frege (propositional) proof: uses FHE of the…
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Indistinguishability Obfuscation via Mathematical ProofsObfuscation2025-06-23
Claims a construction of iO for unbounded-input Turing machines whose equivalence is provable in Cook's Theory PV, removing the usual 2^{input-length} security…
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Correlation Intractability and SNARGs from Sub-exponential DDHMinimal Complexity Assumptions for Cryptography 20232023-05-01
Construction of SNARGs for Batch-NP and P from the sub-exponential Decisional Diffie–Hellman assumption, achieving poly-logarithmic proof sizes and a CIH for…
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Indistinguishability Obfuscation via Mathematical Proofs of EquivalenceProof Complexity and Meta-Mathematics 20232023-03-20
Claims an indistinguishability obfuscator whose security loss is independent of input length when the two programs have short formal proofs of equivalence…
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Pre-Constrained EncryptionITCS 20222022-01-31
Defines Pre-Constraint Encryption where an authority-generated decryption key K is limited to computing only a pre-authorized class of functions (and can…
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