Indian Institute of Information Technology, Lucknow
भारतीय सूचना प्रौद्योगिकी संस्थान, लखनऊ
(An Institute of National Importance by the Act of Parliament)

Dr. Ramprasad Sarkar

[email protected]
Lucknow, India

Dr. Ramprasad Sarkar

Assistant Professor

Research Experiences

  • 2026-07 - Present Indian Institute of Information Technology (IIIT) Lucknow -Assistant Professor
  • 2024-08 - 2026-07 R C Bose Center for Cryptology and Security, Indian Statistical Institute Kolkata, Kolkata, India. -Post-doctoral Researcher
  • 2024-05 - 2024-08 National Institute of Information and Communications Technology, Japan-Guest Researcher Project Title: Design and Analysis of Post-quantum Security on 6G Communication Network Model

Education

  • Ph.D- IIT Kharagpur
  • M.Sc.- IIT Kanpur

Research Interests

  • Post-quantum Cryptography
  • Functional Encryption
  • Broadcast Encryption
  • Attribute-based Encryption
  • Secure Computation
  • Multivariate Public Key Cryptography
  • IoT
  • Cryptographic Lattices
  • Quantum Cryptography

Teaching Interest

  • Foundation of Cryptography
  • Post-quantum cryptography
  • Introduction to Automata
  • Design and Analysis of Algorithms
  • Graph Theory
  • Discrete Mathematics
  • Quantum Computing
  • Blockchain Technology

Publications

  • Ramprasad Sarkar, Shayeef Murshid, and Mriganka Mandal: Batched Attribute-Based Encryption from Bilinear Pairings, International Conference on Provable and Practical Security (ProvSec 2026) (Accepted)

 

  • Ramprasad Sarkar: Post-quantum Secure Non-committing Registered Functional Encryption. In: El Mrabet, N., Ghammam, L., Rodríguez-Henríquez, F. (eds) Progress in Cryptology – AFRICACRYPT 2026. AFRICACRYPT 2026. Lecture Notes in Computer Science, vol 16832. Springer, Cham. https://doi.org/10.1007/978-3-032-31130-6_17

 

 

  • Arani Raychaudhuri, Ramprasad Sarkar, Mriganka Mandal: Attribute-based Encryption using Sum-Product Decomposition of Boolean Functions. In 16th International Conference on Cryptology (AFRICACRYPT 2025), LNCS 15651, pp. 370-394, 2025, https://doi.org/10.1007/978-3-031-97260-7_17
  • Ramprasad Sarkar: On the Security of Broadcast Signcryption with Equality Test in Smart Transportation System. Iran Journal of Computer Science, 2025 (DOI: 1007/s42044-025-00239-7).

 

  • Ramprasad Sarkar, Utkarsh Sahai, and Mriganka Mandal: On the Security of AMRIBE, Anonymous Multi-receiver Identity-based Encryption. In International Conference on Security and Privacy (ICSP 2024) (https://doi.org/10.1007/978-3-031-90587-2_2).

 

  • Ramprasad Sarkar, Mriganka Mandal, and Sourav Mukhopadhyay: Quantum-safe identity-based broadcast encryption with provable security from multivariate cryptography. Advances in Mathematics of Communications (2024). (3934/amc.2022026 ).

 

  • Mriganka Mandal, Ramprasad Sarkar: Efficient Identity-Based Traceable Cloud Data Broadcasting with Outsider Anonymity and Simultaneous Individual Transmission. Journal of Information Security and Applications (2023). (1016/j.jisa.2023.103584).
  • Mriganka Mandal, Ramprasad Sarkar, Junbeom Hur, and Koji Nuida: Efficient Fully Anonymous Public-Key Trace and Revoke with Adaptive IND-CCA Security. In International Conference on Information Security Practice and Experience (ISPEC), pp. 168-189. Springer, Cham, 2021 (DOI: 10.1007/978-3-030-93206-0_11).

Contact

Department of Mathematics,
Indian Institute of Information Technology,
Lucknow, India.
[email protected]

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