A Quantum-Secure Niederreiter Cryptosystem using Quasi-Cyclic Codes. - Upendra Kapshikar; Ayan Mahalanobis (ICETE (2), 2018)

McEliece-type Cryptosystems over Quasi-cyclic Codes. - Upendra Kapshikar (CoRR, 2018)

The Niederreiter cryptosystem and Quasi-Cyclic codes. - Upendra Kapshikar; Ayan Mahalanobis (IACR Cryptol. ePrint Arch., 2019)

The Diagonal Distance of CWS Codes. - Upendra S. Kapshikar (CoRR, 2021)

Quantum secure non-malleable-extractors. - Naresh Goud Boddu; Rahul Jain 001; Upendra Kapshikar (CoRR, 2021)

Diagonal distance of quantum codes and hardness of the minimum distance problem. - Upendra Kapshikar; Srijita Kundu (CoRR, 2022)

A novel chain rule for one-shot entropic quantities via operational methods. - Sayantan Chakraborty 002; Upendra Kapshikar (ISIT, 2023)

Niederreiter cryptosystems using quasi-cyclic codes that resist quantum Fourier sampling. - Upendra Kapshikar; Ayan Mahalanobis (Adv. Math. Commun., 2023)

Chain rules for one-shot entropic quantities via operational methods. - Sayantan Chakraborty 002; Upendra Kapshikar (CoRR, 2023)

On the Hardness of the Minimum Distance Problem of Quantum Codes. - Upendra Kapshikar; Srijita Kundu (IEEE Trans. Inf. Theory, 2023)

Tamper Detection against Unitary Operators. - Naresh Goud Boddu; Upendra Kapshikar (Quantum, 2023)

Novel Chain Rules for One-Shot Entropic Quantities via Operational Methods. - Sayantan Chakraborty 002; Upendra Kapshikar (IEEE Trans. Inf. Theory, 2025)