Post-doctoral Fellow,
Institute for Advancing Intelligence (IAI),
TCG Crest, Kolkata
I was a senior research fellow at Cryptology and Security Research Unit, Indian Statistical Institute. I graduated under joint supervision of Assoc. Prof. Sushmita Ruj and Prof. Bimal Kumar Roy. Before joining here as a researcher, I did my M. Tech. in computer science from here and M.Sc. in Pure Mathematics from the University of Calcutta.
My research is in applied cryptography and is driven by real-world problems in data privacy and security. My focus area of research is in Secure Cloud Computing over outsourced encrypted data. Besides theoretical aspects, I like to implement with real-life data to check scalability and efficiency in real environments.
Besides, I maintain great interest in Private Information Retrieval, Multi-party Computation, Access Control, etc.
I am very keen to explore Blockchain Technology and its real world applications. I work on transparency of secure cloud services via blockchain technology.
Here is my CV (Last Updated: December 2020).
Doctor of Philosophy (2016-2021), in Computer Science,
Indian Statistical Institute, Kolkata
203, B T Road, Kolkata, India- 700105
Under supervision of Assoc. Prof. Sushmita Ruj and Prof. Bimal Kumar Roy
Master of Technology (2014-2016), in Computer Science,
Indian Statistical Institute, Kolkata
203, B T Road, Kolkata, India- 700105
Under supervision of Assoc. Prof. Sushmita Ruj
Master of Science (2012-2014), in Pure Mathematics,
Ballygunge Science College, University of Calcutta
35, Ballygunge Circular Rd, Ballygunge, Kolkata, India- 700019
Under supervision of Prof. Avishek Adhikari
Bachelor of Science (2009-2012), in Mathematics,
Charuchandra College, University of Calcutta
22, Lake Place Road, Lake Market, Kalighat, Kolkata, India- 700029
Higher Secondary (2007-2009), in Science,
Kasba Chittaranjan High School
80 R K ghoshal Road, Kasba, Kolkata, India- 700042
Secondary, (2007)
Kasba Chittaranjan High School
80 R K ghoshal Road, Kasba, Kolkata, India- 700042
Qualified JEST in Computer Science in 2016
Qualified GATE in Computer Science in 2016
Qualified CSIR-UGC NET JRF in Mathematical Science in Dec, 2013
Qualified NBHM (M.Sc) Scholarship for Mathematics in 2013
Ranked 3rd in JECA-2012
Talk on "Securely Computing Clustering Coefficient for Outsourced Dynamic Encrypted Graph Data", on 7th Jan, 2021
in 13th International Conference on COMmunication Systems & NETworkS (ComsNets 2021)
Bengaluru, India
Talk on "FSPVDsse: A Forward Secure Publicly Verifiable Dynamic SSE scheme", on 3rd Sep, 2019
in The 13th International Conference on Provable and Practical Security (ProvSec 2019)
at James Cook University, Cairns, Australia
Visited to "Prof. Kouichi Sakurai" in May, 2019
at Sakurai Laboratory, Faculty of Information Science and Electrical Engineering,
Kyushu University, Fukuoka, Japan
Talk on "Searchable Encryption" on 22-23 May, 2018
in "Summer Internship in Cryptology",
at R. C. Bose Centre for Cryptology and Security,
Indian Statistical Institute, Kolkata, India
Talk on "Searchable Encryption" in "ATMW Workshop on Cryptology (2018)", 13th April, 2018 ↗
Indian Statistical Institute, Kolkata, India
Attended "IISc-IACR School on Information-theoretic Cryptology", 4-8 January, 2018 ↗
Indian Institute of Science, Bangalore, India
Attended "MPC School and Workshop ", 27-31 March, 2017
Indian Institute of Technology, Bombay, India
Attended "ACM India Anual Event, 2017 ", 21st January, 2017
Amity University, Kolkata, India
Attended "Indocrypt 2016 ", 11-14 December, 2016
Indian Statistical Institute, Kolkata, India
Attended "Recent Advances in Authenticated Encryption ", 19-22 September, 2016
Indian Statistical Institute, Kolkata, India
Presented Invited Paper "National Workshop on Crytology, NWC-2016 ", 11-13 Aug, 2016
JNNCE, Shivamogga, Karnataka, India
Teaching Assistantship (2017)
Data and File structure Laboratory, 2017
Course Instructors:
Dr. Ansuman Banerjee,
Dr. Mandar Mitra,
Dr. Supantha Pandit.
Laltu Sardar,
"Queryable Encryption for Outsourced Dynamic Data",
Ph.D. Thesis, in ISI Kolkata repository
[visit], under joint supervision of Sushmita Ruj and Bimal Kumar Roy.
Laltu Sardar, Gaurav Bansal, Sushmita Ruj, Kouichi Sakurai
"Securely Computing Clustering Coefficient for Outsourced Dynamic Encrypted Graph Data",
13th International Conference on COMmunication Systems & NETworkS
[ComsNets 2021], (Published, 2021)
[visit]
[arXiv]
[eprint]
Laltu Sardar and Sushmita Ruj,
"FSPVDsse: A Forward Secure Publicly Verifiable Dynamic SSE scheme",
The 13th International Conference on Provable and Practical Security
[ProvSec 2019], (Published, 2019)
[visit]
[arXiv]
[eprint]
Laltu Sardar and Sushmita Ruj,
"The secure Link Prediction Problem",
Advances in Mathematics of Communications
[AMC 2019-13-4], (Published, 2019)
[visit]
[arXiv]
[eprint]
Laltu Sardar,
"Data Survivability and Authenticity in Unattended WSN",
M. Tech. Thesis, in ISI Kolkata repository
[visit], under supervision of Sushmita Ruj.
Will be uploaded soon
M.Tech Final Year Dissertation (June, 2016)
Data Survivability and Authenticity in Unattended WSN
↗
Supervisor: Assoc. Prof. Sushmita Ruj, Indian Statistical Institute, Kolkata
Final Year Information Security project (July, 2016)
Analysing Anonymity and Security of users in BitCoin Protocol
Supervisor: Assoc. Prof. Sushmita Ruj, Indian Statistical Institute, Kolkata
with Animesh Basak Chowdhuri
Final Year Information Security project (July, 2016)
Anomaly user detection in BitCoin Network
Supervisor: Assoc. Prof. Sushmita Ruj, Indian Statistical Institute, Kolkata
with Ayan Das
Master Degree Project (June, 2014)
Application of Coding Theory in Real Life
Supervisor: Prof. Avishek Adhikari, Dept. of Pure Mathematics, University of Calcutta, Kolkata, India
First Floor, Tower 1,
Bengal Eco Intelligent Park (Techna),
Block EM, Plot No 3, Sector V, Salt lake,
Kolkata 700091, West Bengal, INDIA