Publications

1. Unclonable Deprogramming Obfuscation and Collusion-Resistant
   Copy-Protection Applications
   In Submission
   Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
   

2. Certified-Everlasting Quantum NIZK Proofs
   TCC 2026 (Best Young Researcher Paper Award)
   Nikhil Pappu
   arXiv

3. Collusion-Resistant Quantum Secure Key Leasing Beyond Decryption
   Eurocrypt 2026
   Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
   arXiv Slides

4. PKE and ABE with Collusion-Resistant Secure Key Leasing
   Crypto 2025, TQC 2025
   Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
   ePrint Slides

5. Notions of Quantum Reductions and Impossibility of Statistical NIZK
   Manuscript
   Chuhan Lu, Nikhil Pappu
   ePrint

6. Perfectly-Secure Asynchronous MPC for General Adversaries
   In International Conference on Cryptology in India (INDOCRYPT), 2020
   Ashish Choudhury, Nikhil Pappu
   Springer Paper