Below are links to files
corresponding to some talks that I have given in the past and to
some notes. These have not been carefully proof-checked and may
have typographical errors and (hopefully minor) inaccuracies.
Neither are these in their final forms and the files may be
updated from time to time.
Notes
Notes on Conditional Expectation and
Martingales
Talks
Introductory and Expository
Cryptocurrency: An Overview ,
Reserve Bank of India, 4th February, 2019.
A Few Notions in Cryptography ,
National Institute of Technology, Durgapur, 11th April, 2014.
Cryptography: What Should Be
Used? International Conference on Security Aspects in
Information Technology, High-Performance Computing and
Networking, Haldia, West Bengal, 22nd October 2011.
On Using Mathematics to Attain
Secrecy, Indian Statistical Institute, Bengaluru, 24th
February 2012.
What Can Be Proved About Security?
Centre for Artificial Intelligence and Robotics, Bengaluru, 23rd
February 2012.
Public-Key and Identity-Based
Encryption
Identity Based Encryption: An
Overview
Probabilistic Security Games ,
Seminar in honour of Professor Bhamidi V. Rao, Indian
Statistical Institute, January 15, 2008.
Cyclic Groups in Cryptography
Public Key Encryption Based on
Cyclic Groups
The Electronic World, Information
Technology Act and Public Key Infrastructure in India ,
QUT, Brisbane, 2009.
Identity-Based Encryption: A
30-Minute Tour , Indian Statistical Institute, Kolkata,
January 2012.
Public-Key Infrastructure in
India: Status and Issues
On the Balasubramanian-Koblitz
Results , Institute of Mathematical Sciences, 22nd February
2012.
Digital Signatures: A
Panoramic View , International Conference on Electrical
Engineering, Computing Science and Automatic Control, 2015,
October 28, Mexico City, 2015.
A General Polynomial Selection
Method and New Asymptotic Complexities for the Tower Number
Field Sieve Algorithm , Asiacrypt 2016, Hanoi.
Challenges with Assessing
the Impact of NFS Advances on the Security of Pairing-Based
Cryptography , Mycrypt 2016, Kuala Lumpur.
Modes of
Operations
Disk Encryption
Modes of Operations for
Wide-Block Encryption
How to Use Your Block Cipher?
Another Look at XCB
An Introduction to
Authenticated Encryption
Stream Ciphers,
Block Ciphers and Hash Functions
Generic Attacks on Symmetric Ciphers
Stream Ciphers – An Overview
Some Aspects of Block Ciphers ,
CU-ISI Tutorial Workshop on Cryptology, 17th July 2011
Attacks on Stream Ciphers: A
Perspective
Hash Functions: A Gentle
Introduction
On Symmetric Key Broadcast
Encryption , Elliptic Curve Cryptography, 10th October,
2014
Symmetric Key Broadcast
Encryption: State-of-the-Art , IRN Meeting on Mobile
Security, Samsung R&D Institute India, 4th December, 2015
Another Look at Normal Approximations
in Cryptanalysis , Indocrypt, 8th December 2015, Bengaluru.
A New Test Statistic for Key
Recovery Attacks Using Multiple Linear Approximations ,
Mycrypt 2016, Kuala Lumpur.
Other Talks
Tackling Malicious Behaviour in
Randomised Response Techniques
A Few Interesting Connections
Between Statistics and Computer Science
What is Meant by the Privacy of a
Sampled Individual?
Some Aspects of Barua’s Work on
Automata Theory
Axiomatic Geometry: Euclid and
Beyond
To Compute or Not to Compute?
Symmetric Balanced Squares
On Statistics and Induction
(a
long version)