"Bivariate local permutation polynomials ", The 16th International Conference on Finite Fields and Applications (Fq16), Instituto de Ciencias Matematicas e de Computacao (ICMC), Universidade de Sao Paulo, Sao Carlos, Brazil, July 10, 2025.
A series of two lectures titled "Introduction to Stream Ciphers and the Role of Linear Feedback Shift Registers in Their Design", MeitY-funded Short Term Course on Current Topics in Cyber Security, Indian Institute of Technology Roorkee, Roorkee, India, December 14, 2024.
"The Art of Encryption" Two Week Interdisciplinary Refresher Course on Recent Advancements in Mathematics, Statistics and Computer Science, UGC-MMTTC, Central University of South Bihar, Gaya, India, October 22, 2024.
A series of two lectures titled "Two computationally hard problems in mathematics and their applications in cryptography" and "Introduction to stream ciphers and Linear Feedback Shift Registers", Online STTP on Mathematical Methods, UGC-MMTTC, Shri Mata Vaishno Devi University, Katra, Jammu, India, October 17, 2024.
"On certain permutation group polynomials", A National Seminar on Recent Trends in Analysis and Allied Areas (RTAAA-2024), Jammu University, Jammu, India, September 14, 2024.
"Local permutation polynomials and their companions", IIT Bombay-Virginia Tech Joint Workshop on Algebraic Coding Theory", Indian Institute of Technology Bombay, Mumbai, India, August 23, 2024.
"On the cryptographic properties of some classes of permutation polynomials", National Conference on Recent Advances in Mathematics, Central University of Jammu, Jammu, India, March 27, 2024.
"On some classes of permutation polynomials", National Conference on Recent Trends in Mathematics, Shri Mata Vaishno Devi University, Katra, Jammu, India, March 21, 2024.
A series of two lectures on "Introduction to cryptography", Refresher Course in Mathematical Sciences, Jammu University, Jammu, India, February 21 and February 26, 2024.
"Some new classes of permutation polynomials over finite fields", International Conference on Algebraic Geometry, Coding Theory and Combinatorics, Indian Institute of Technology Hyderabad, Hyderabad, India, December 06, 2023.
A series of six lectures on "The Structure of Finite Fields", Advanced Instructional School on Advanced Topics in Finite Fields, Institute of Mathematical Sciences (IMSc), Chennai, India, July 10 -15, 2023.
"Permutation polynomials with a few terms over finite fields", 15th International Conference on Finite Fields and Applications: Fq15, Paris, France, June 20, 2023.
"The differential properties of certain permutation polynomials over finite fields", ALgebraic and combinatorial methods for COding and CRYPTography, Luminy, France, February 21, 2023.
"Boomerang uniformity of some classes of functions", The 7th International Workshop on Boolean Functions and their Applications (BFA 2022), Balestrand, Norway, September 12, 2022.
"Cryptographic properties of two classes of permutation polynomials", Quantum safe cryptography for the Internet of Things (qsIoT) workshop, Solstrand, Norway, September 01, 2022.
"Enumeration of some vectorial recursive sequences over finite fields", The Ernst Selmer International Workshop, Geiranger, Norway, August 26, 2022.
"Introduction to Stream Ciphers and Linear Feedback Shift Registers", AICTE-ISTE Refresher Programme on Cryptology and Network Security, Pranveer Singh Institute of Technology, Kanpur, India, January 11, 2022.
"Digital Signatures and PKI", Online Lecture Series on Cryptography and Number Theory, Department of Mathematics and Astronomy, University of Lucknow, Lucknow, India, December 23, 2021.
"The c-differential uniformity and boomerang uniformity of two classes of permutation polynomials", International Conference on Recent Trends in Mathematics, Hansraj College, Delhi University, Delhi, India, December 22, 2021.
"Introduction to Stream Ciphers and Linear Feedback Shift Registers", A One Week Faculty Development Programme (FDP) On "Application of Cryptographic Tools for Data and Image Securities", Department of Computer Science and Engineering, Indian Institute of Information Technology Kalyani, Kalyani, India, December 09, 2021.
"Sequences over Finite Fields with Applications in Cryptography", Online 2-Week Refresher Course in Computational and Mathematical Sciences, The Human Resource Development Centre, Jamia Millia Islamia, New Delhi, India, November 05, 2021.
"Sequences over finite fields", National level webinar on Mathematics and its applications, Department of Mathematics, Central University of Kashmir, Ganderbal, India, October 29, 2021.
A series of two lectures on "Introduction to Stream Ciphers", AICTE ATAL workshop on “Cyber Security and Cryptography”, Department of Computer Science, National Institute of Technology Agartala, Tripura, India, July 27, 2021.
A series of two lectures on "Stream Ciphers and Linear Feedback Shift Registers", International Workshop on Cryptography and Coding Theory, SGGS Institute of Engineering and Technology, Nanded, India, March 08-12, 2021.
"Digital Signatures and PKI", Online National Instructional Workshop on CRYPTOLOGY, School of Computer and Systems Sciences, Jawaharlal Nehru University, New Delhi, India, July 07, 2020.
"Reversed Dickson polynomials, Dembowski-Ostrom polynomials, and planar functions", International conference on algebra and related topics with applications, Department of Mathematics, Aligarh Muslim University, Aligarh, December 18, 2019.
"Theoretical aspects of digital signatures and digital certificates", A one-week short term training program on Recent Trends in Security and Cryptography, Department of Applied Mathematics, Delhi Technological University, Delhi, India, November 21, 2019.
"Enumeration of certain vector sequences of large period over finite fields", International Conference on Computational Mathematics and its Applications (CMA 2019), Indian Institute of Technology Indore, Indore, India, November 12, 2019. 🔗
"Two computationally hard problems and their applications in cryptography", Mathematics Research Scholars Meet 2019, Department of Mathematics, Jammu University, Jammu, India, August 22, 2019.
A series of two lectures on "Digital Signatures and Digital Certificates", A special training programme on Cryptology and Information Security (CIS 2019), Scientific Analysis Group, Defence Research and Development Organisation, Metcalfe House, Delhi, India, July 12, 2019.
A series of two lectures on "Applications of Galois field in secure communications", One week Faculty Development Programme (FDP) on Understanding the connection of Mathematics with the World around us: An Application Based Learning, Hansraj College, Delhi University, Delhi, India, June 24, 2019.
"Primitive polynomials, general linear groups, and sequences over finite fields", One-day seminar on Mathematics and Its Applications, Central University of Kashmir, India, June 21, 2019.
A series of five lectures on "Finite Fields and Applications", Workshop on Algebra and Analysis, Central University of Kashmir, Kashmir, India, June 18-20, 2019.
"Dembowski-Ostrom polynomials from Dickson polynomials", The 14th International Conference on Finite Fields and their Applications (Fq14), Simon Fraser University, Vancouver, Canada, June 07, 2019. [slides] 🔗
"Enumeration of certain recurrent sequences over finite fields", Colloquium talk, Indian Institute of Technology Madras, Chennai, India, March 21, 2019. 🔗
A series of two lectures on "Mathematical Hard Problems in Public Key Cryptography and Public Key Infrastructure in India", Two Weeks Winter School for faculty from Engineering Streams, Shri Mata Vaishno Devi University, Katra, Jammu, India, February 16, 2019.
"Public Key Infrastructure for Cyber Security", National Workshop on Cryptology and Network Security, Pranveer Singh Institute of Technology, Kanpur, India, January 12, 2019.
A series of two lectures on "Digital Signatures and Public Key Infrastructure", Faculty Development Programme (FDP) on Challenges before the academia in the era of gadgets, e-communication and artificial intelligence, Hansraj College, Delhi University, Delhi, India, December 24, 2018.
"Sequences over finite fields and their applications", 5th Annual National Conference in Mathematics on Recent Developments in Algebra and Analysis, G. G. M. Science College, Constituent College of Cluster University of Jammu, Jammu, India, December 14, 2018.
“Linear Recurring Vector Sequences over Finite Fields”, Symposium on Coding Theory and Cryptography, 84th Annual Conference of Indian Mathematical Society, Shri Mata Vaishno Devi University, Katra, Jammu, India, November 29, 2018.
“Primitive recursive vector sequences, Primitive Polynomials, and Singer cycles over finite fields”, National Conference on Recent Advances in Mathematics, Central University of Jammu, Jammu, India, October 04, 2018.
“Introduction to Stream Ciphers”, National Instructional Workshop on Cryptology (NIWC-2018), Motilal Nehru National Institute of Technology, Allahabad, India, June 07, 2018.
“Digital Signatures and PKI”, National Instructional Workshop on Cryptology (NIWC- 2017), Department of Computer Science and Systems Engineering, College of Engineering (Autonomous), Andhra University, Visakhapatnam, India, March 11, 2017.
A series of two lectures on “Basics of Cryptography”, Workshop on Coding Theory and Cryptography, SGGS Institute of Engineering and Technology (An autonomous institute owned by Govt. of Maharashtra), Nanded, India, December 29–30, 2016.
A series of four lectures on“Public Key Cryptography”, Faculty Development Programme on Foundations of Cryptography, National Institute of Technology, Warangal, India, December 27, 2016.
“Keynote Address on Algebra and its applications”, UGC Sponsored National Seminar on Abstract Algebra and its Applications, MES College Nedukandam, Kerala, India, January 12, 2015.
“Discrete Logarithms in Finite Fields”, UGC Sponsored National Seminar on Abstract Algebra and its Applications, MES College Nedukandam, Kerala, India, January 12, 2015.
On some efficient word-based stream ciphers”, National Workshop on Cryptology(NWC- 2014), PDPM Indian Institute of Information Technology, Design & Manufacturing, Jabalpur, India, September 26, 2014.
“Basic Mathematics of Stream Ciphers”, National Instructional Workshop on Cryptology (NIWC-2014), Motilal Nehru National Institute of Technology, Allahabad, India, June 06, 2014.
“Matrix Groups and Cryptography”, Instructional Workshop on Applied Mathematics, South Asian University, New Delhi, India, May 10, 2013.
“Vector Sequences over Finite Fields”, Indian Institute of Science Education and Research, Mohali, India, February 01, 2013.
“Linear Transformation Shift Registers”, Discussion Workshop in Cryptology, Indian Statistical Institue, New Delhi, India, January 30, 2013.
“Word-oriented transformation shift registers and their linear complexity”, SETA–2012, University of Waterloo, Waterloo, Canada, June 06, 2012.
“Sequences over Finite Fields”, Swami Ramanand Teerth Marathwada University, Nanded, India, February 22, 2011.
“Word-oriented LFSRs”, UGC National Seminar on Advances in Computational Mathematics, Rajarshi Shahu Mahavidyalaya, Latur, India, February 23, 2011.
