IMG_0141 (2)

Integrated Ph.D. Student (4th Year)

Mathematics Department, IISc, Bangalore

AREA OF RESEARCH: Cryptography

Ph.D. ADVISORS: Dr. Bhavana Kanukurthi (CSA Department, IISc), Dr. Manjunath Krishnapur (Mathematics Department, IISc)



Current Research interests: Non-malleable Codes, Privacy Amplification, Extractors, Blind Signatures, Functional Encryption.

Other Subjects that interest me: Probability Theory, Complexity Theory

Publications (dblp):

  1. Four-state Non-malleable Codes with Explicit Constant Rate. Joint work with: Bhavana Kanukurthi, Sai Lakshmi Bhavana Obbattu, TCC 2017 (Invited to Journal of Cryptology)
  2. Non-malleable Randomness Encoders and their Applications. Joint work with: Bhavana Kanukurthi, Sai Lakshmi Bhavana Obbattu, Eurocrypt 2018
  3. Privacy Amplification from Non-malleable codes. Joint work with: Eshan Chattopadhyay, Bhavana Kanukurthi, Sai Lakshmi Bhavana Obbattu, Under submission
  4. Registration-Based Encryption from Standard Assumptions. Joint work with: Sanjam Garg, Mohammad Hajiabadi, Mohammad Mahmoody, Ahmedreza Rahimi, Under submission

Research Visit:

  1. UC Berkeley, California (hosted by Sanjam Garg): May 2018 – August 2018

Recent Awards:

  1. Prof. P L Bhatnagar Medal (best student in Int PhD, Mathematics)
  2. TCS Research Fellowship 2018 (Thanks to TCS for the fellowship!)



Teaching Experience:

  1. [Jan-Apr 2017] Teaching Assistant for Analysis and Linear Algebra II
    Supervisor: Prof. Tirthankar Bhattacharya.
  2. [Aug-Dec 2017] Teaching Assistant for Algebra I
    Supervisor: Dr. Abhishek Banerjee
  3. [Aug-Dec 2017] Teaching Assistant for Theoretical Foundations of Cryptography Supervisor: Dr. Bhavana Kanukurthi
  4.  [2016-current] Part of the English initiative program (Notebook Drive, IISc)
    – Teaching English at a school (5th – 7th standard)
  5.  [2011-12] Taught school children at Lady Shri Ram College as a part of Child Development Program (NSS).


  1. Zero Knowledge Proofs, ISEA Workshops in Cryptography – Part 2 – Selected topics in Cryptography, 2016
  2. Introduction to Cryptography, Lady Shri Ram College For Women, New Delhi , 22nd September 2017 (https://lsrmathematics.wordpress.com/2017/10/02/how-to-keep-secrets-101/)
  3. Some Cryptographic Primitives, IISc-SIAM Student Talk series, Bangalore, 31st January 2018 (http://mmcr2.iisc.ac.in/videos/video/2141/)
  4. Non-malleable Randomness Encoders and their Application, Eurocrypt 2018 [pdf][video]
  5. Privacy Amplification from Non-malleable Codes, VISA Research (invited talk), 11th June 2018.
  6. Privacy Amplification, Women in Theory 2018 Rump Session, Harvard University, 20th June 2018.
  7. Privacy Amplification from Non-malleable Codes, UCLA , 27th July 2018.
  8. Privacy Amplification from Non-malleable Codes, UT Austin, 10th August 2018 (https://www.cs.utexas.edu/theory-seminar/2018/fall)

Event organization:

Student organizer for IACR-IISc School on Cryptology (4th-8th Jan 2018)



My BiodataSruthiSekar_CV

HobbiesSketching, Playing Keyboard, Singing, Photography.



CrySP Lab (326), CSA Department, IISc

Email: sruthisekar[at]iisc.ac.in, sruthi.sekar1[at]gmail.com