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Rahul Ilango

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titleconferencedate
Beyond P versus NP: Using Complexity Theory in Obfuscation and Vice-VersaObfuscation2025-06-23
Claim: iO plus stronger-than-P≠NP complexity assumptions yields cryptographic objects whose hardness matches naive attacks. Techniques combine…
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Tales of Obfuscation in Bounded Arithmetic, Metacomplexity, and Differential PrivacyMinimal Complexity Assumptions for Cryptography 20232023-05-01
Three concrete results use obfuscation and related primitives to resolve open problems: assuming indistinguishability obfuscation and NP ≠ coNP, there is no…
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Indistinguishability Obfuscation, Range Avoidance, and Bounded ArithmeticProof Complexity and Meta-Mathematics 20232023-03-20
Main claim: under two assumptions—NP not in coAM infinitely often and existence of subexponentially secure indistinguishability obfuscation—the theory PV1…
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NP-Hardness of Approximating Meta-Complexity: A Cryptographic ApproachLower Bounds, Learning, and Average-Case Complexity2023-02-13
Shows NP‑hardness gaps for concrete meta‑complexity problems: under subexponentially‑secure indistinguishability obfuscation/witness encryption the conditional…
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