Subhabrata Samajder

Welcome to my web-page!

Hi, I am Subhabrata Samajder. I am a researcher working in the area of Cryptography. In particular, I work on Lattices-based cryptography and Symmetric-key Cryptanalysis. I am an Assistant Professor at the IAI center of TCG-CREST, Kolkata and an Adjunct Professor of the Department of Computer Science (CSE) at Indraprastha Institute of Information Technology (IIIT), Delhi. Previously, I was an Assistant Professor at the Department of CSE at IIIT, Delhi from August, 2019 to June, 2023. Before joining IIIT, Delhi I was a Lecturer-cum-post-doctoral fellow at the R. C. Bose Center for Cryptology and Security, Indian Statistical Institute, Kolkata. From August, 2015 to July, 2018 I was a Visiting Scientist at the Turing Lab, Applied Statistics Unit, Indian Statistical Institute, Kolkata. Since July 2016, I have also been working as a Guest Lecturer at the Mathematics Department of Presidency University, Kolkata.

Earlier I did my Bachelor of Science (with Honours) in Mathematics from Presidency College, Kolkata (then affiliated under Calcutta University, Kolkata). I then completed my Master of Science in Mathematics from Indian Institute of Technology, Kharagpur. Thereafter I finished my Master of Technology (with Honours) in Computer Science form Indian Statistical Institute, Kolkata. I completed my PhD in Computer Science from Indian Statistical Institute, Kolkata under the supervision of Professor Palash Sarkar.

Research Plan and Interests

My formative training has been in Mathematics and Computer Science. Deep understandings in both these areas are imperative for the research that I have been doing and the research plans I have for the future. I have keen interest in areas that are well placed at the juncture of these two broad areas like the following. The following are my primary research interests.

Lattices Based Cryptography
Searchable Symmetric Encryption (SSE)
Statistical Aspects of Symmetric-key Cryptanalysis
E-voting

I am also interested in the following research areas. I plan to start identifying and solving problems in the above areas in the near future.

Blockchains
Random Graphs

Contact Information

Office Address:

First Floor, Tower 1,

Bengal Eco Intelligent Park (Techna),

Block EM, Plot No 3,

Sector V, Salt lake, Kolkata 700091, West Bengal, INDIA

e-mail Address:

first name (dot) surname (at) tcgcrest (dot) org, first name (dot) surname (at) gmail (dot) com, surname (dot) first name (at) gmail (dot) com

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