Subhranil Dutta

Postdoctoral Researcher

subhranil.dutta at unisg dot ch

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I am currently a Post-Doctoral Fellow at the Institute of Computer Science, University of St. Gallen, Switzerland, funded by the Swiss Government Excellence Scholarship (ESKAS), and working under the mentorship of Professor Katerina Mitrokotsa. Previously, I served as a Research Assistant at the Institute of Computer Science, University of St. Gallen. My academic path includes completing my doctoral research as a Senior Research Scholar in the Department of Mathematics at the Indian Institute of Technology Kharagpur, India, where I defended my thesis under the supervision of Professor Sourav Mukhopadhyay. I hold a B.Sc. in Mathematics from Malda College, University of Gour Banga, and an M.Sc. in Pure Mathematics from the University of Gour Banga.

My research centers on Functional Encryption and Lattice-Based Cryptography, focusing on developing advanced cryptographic techniques to secure data against emerging quantum threats. My aim is to design efficient, scalable, and robust encryption schemes that maintain both security and functionality in today’s digital landscape.
Multi-Client Attribute-Based Unbounded Inner Product Functional Encryption, and More
Subhranil Dutta, Aikaterini Mitrokotsa, Tapas Pal, Jenit Tomy
Public-Key Cryptography 2025
SACfe: Secure Access Control in Functional Encryption with Unbounded Data
Uddipana Dowerah, Subhranil Dutta, Frank Hartmann, Aikaterini Mitrokotsa, Sayantan Mukherjee, Tapas Pal
9th IEEE European Symposium on Security and Privacy, IEEE Euro S&P 2024
Constructing pairing free unbounded inner product functional encryption schemes with unbounded inner product policy
Subhranil Dutta, Ratna Dutta, Sourav Mukhopadhyay
Innovative Security Solutions for Information Technology and Communications - 15th International Conference, SecITC 2022, Lecture Notes in Computer Science, vol. 13809, pp. 102–116. Springer (2022)
Fully secure unbounded zero inner product encryption with short ciphertexts and keys
Subhranil Dutta, Tapas Pal, Ratna Dutta
Provable and Practical Security - 15th International Conference, ProvSec 2021, Proceedings. Lecture Notes in Computer Science, vol. 13059, pp. 241–258. Springer (2021)