Quantum information is reshaping our understanding of both computation and security. Quantum algorithms challenge widely used cryptographic assumptions, while quantum systems introduce new adversarial capabilities based on entanglement and measurement. This shift raises foundational questions in cryptography: how do classical notions of security and information evolve in the presence of quantum adversaries?
In this talk, I will present a research program focused on developing cryptographic primitives that remain secure against quantum side information and quantum tampering. I will describe constructions of quantum-secure non-malleable extractors and non-malleable codes, and show how quantum information enables tamper-detecting codes in the split-state model, a task provably impossible in the classical setting. These results demonstrate that entanglement can function not only as an attack resource, but also as a defensive tool that enables fundamentally new forms of protection.
Together, these results contribute to a unified theory of security and information in the presence of quantum adversaries, bridging quantum information theory and modern cryptography.
Brief Bio: Naresh Goud Boddu is a researcher in quantum information and quantum cryptography. He is currently a Senior Research Fellow in the Department of Computer Science, NUS, Singapore. He most recently served as Vice President and Applied Research Lead at JPMorgan Chase in Singapore, where he led work on post-quantum cryptographic applications for industry. Previously, he was a Postdoctoral Fellow at NTT Research in California in the Cryptography and Information Security Laboratories, mentored by Prof. Vipul Goyal and Prof. Dakshita Khurana.
