Dr. Ramakant Kumar

Dr. Ramakant Kumar is an academician and researcher working at the intersection of Mathematics and Computer Science, with a strong focus on Cryptography and post-quantum security. His work centers on designing quantum-secure cryptographic algorithms using lattice-based hard problems.

His research expertise includes digital signatures, secret sharing schemes, and advanced secure communication frameworks. He has contributed to the development of post-quantum cryptographic systems that address emerging security challenges in the era of quantum computing.

With a foundation rooted in mathematical rigor and practical application, his academic interests aim to advance secure and future-ready cybersecurity solutions.

Before joining UPES, Dr. Ramakant Kumar served as a research scholar at Motilal Nehru National Institute of Technology Allahabad. During this period, he worked extensively on designing and cryptanalyzing quantum-secure digital signature schemes, including ring signatures, multisignatures, proxy signatures, and blind signatures.

He also proposed innovative concepts such as single-share nature in secret sharing schemes and developed multiple secure sharing protocols. Additionally, his work includes research on time-lock puzzles for secure delayed communication.

Lattice-based Cryptography | Digital Signatures | Secret Sharing Schemes | Time Lock Puzzles | Post-Quantum Security | Applied Mathematics in Security Systems

Dr. Ramakant Kumar believes in fostering an interactive and engaging classroom environment where students are encouraged to question, explore, and think critically. His teaching approach emphasizes conceptual clarity, logical reasoning, and the application of theoretical concepts to real-world problems.

He focuses on building strong analytical skills and promoting active participation to create a dynamic and intellectually stimulating learning experience.

Cryptography and Network Security | Design and Analysis of Algorithms | Calculus | Ordinary Differential Equations | Partial Differential Equations | Linear Algebra

Gold Medalist in the Master of Science in Mathematics and Scientific Computing programme at Motilal Nehru National Institute of Technology Allahabad.

Recipient of the CSIR-JRF Research Fellowship from September 2020 to April 2025.

Dr. Ramakant Kumar actively contributes to research in quantum-secure cryptographic systems, particularly lattice-based security frameworks. His work includes the design and analysis of advanced digital signature schemes, secret sharing mechanisms, and time-lock encryption systems.

His interdisciplinary research bridges mathematics, theoretical computer science, and cybersecurity, contributing to the development of secure next-generation communication systems.

ramakant.kumar@ddn.upes.ac.in