Sugata Gangopadhyay
Sugata Gangopadhyay
Professor CSE IIT Roorkee
Verified email at
Cited by
Cited by
Investigations on bent and negabent functions via the nega-Hadamard transform
P Stanica, S Gangopadhyay, A Chaturvedi, AK Gangopadhyay, S Maitra
IEEE Transactions on information Theory 58 (6), 4064-4072, 2012
Bent and generalized bent Boolean functions
P Stănică, T Martinsen, S Gangopadhyay, BK Singh
Designs, codes and cryptography 69 (1), 77-94, 2013
On the lower bounds of the second order nonlinearities of some Boolean functions
S Gangopadhyay, S Sarkar, R Telang
Information Sciences 180 (2), 266-273, 2010
A secure image encryption scheme based on a novel 2D sine–cosine cross-chaotic (SC3) map
B Mondal, PK Behera, S Gangopadhyay
Journal of Real-Time Image Processing 18 (1), 1-18, 2021
On Latin squares of polynomially complete quasigroups and quasigroups generated by shifts
V Artamonov, S Chakrabarti, S Gangopadhyay, S Pal
Quasigroups and Related Systems 30 (2), 117-130, 2013
Internal state recovery of grain-v1 employing normality order of the filter function
MJ Mihaljević, S Gangopadhyay, G Paul, H Imai
IET Information Security 6 (2), 55-64, 2012
Generic cryptographic weakness of k-normal Boolean functions in certain stream ciphers and cryptanalysis of grain-128
M Mihaljević, S Gangopadhyay, G Paul, H Imai
Periodica Mathematica Hungarica 65 (2), 205-227, 2012
Patterson–Wiedemann construction revisited
S Gangopadhyay, PH Keskar, S Maitra
Discrete mathematics 306 (14), 1540-1556, 2006
A note on generalized bent criteria for Boolean functions
S Gangopadhyay, E Pasalic, P Stănică
IEEE transactions on information theory 59 (5), 3233-3236, 2012
Nega–Hadamard transform, bent and negabent functions
P Stănică, S Gangopadhyay, A Chaturvedi, AK Gangopadhyay, S Maitra
Sequences and Their Applications–SETA 2010: 6th International Conference …, 2010
Third-order nonlinearities of a subclass of Kasami functions
R Gode, S Gangopadhyay
Cryptography and Communications 2 (1), 69-83, 2010
An improved hybrid genetic algorithm to construct balanced Boolean function with optimal cryptographic properties
PK Behera, S Gangopadhyay
Evolutionary Intelligence 15 (1), 639-653, 2022
On second order nonlinearities of cubic monomial Boolean functions
R Gode, S Gangopadhyay
Cryptology ePrint Archive, 2009
An Analysis of the 𝒞 Class of Bent Functions
B Mandal, P Stănică, S Gangopadhyay, E Pasalic
Fundamenta Informaticae 146 (3), 271-292, 2016
A TMDTO attack against lizard
S Maitra, N Sinha, A Siddhanti, R Anand, S Gangopadhyay
IEEE Transactions on Computers 67 (5), 733-739, 2017
On the second order nonlinearity of a cubic Maiorana-Mcfarland bent function
S Sarkar, S Gangopadhyay
Finite Fields and their Applications 2009, 2009
A lower bound of the second–order nonlinearities of boolean bent functions
M Garg, S Gangopadhyay
Fundamenta Informaticae 111 (4), 413-422, 2011
Evolving bijective S-Boxes using hybrid adaptive genetic algorithm with optimal cryptographic properties
PK Behera, S Gangopadhyay
Journal of Ambient Intelligence and Humanized Computing 14 (3), 1713-1730, 2023
Affine inequivalence of cubic Maiorana–McFarland type bent functions
S Gangopadhyay
Discrete Applied Mathematics 161 (7-8), 1141-1146, 2013
Some results concerning generalized bent functions
P Stanica, S Gangopadhyay, BK Singh
Cryptology ePrint Archive, 2011
The system can't perform the operation now. Try again later.
Articles 1–20