Sugata Gangopadhyay

According to our database, Sugata Gangopadhyay authored at least 75 papers between 2002 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Giant Does NOT Mean Strong: Cryptanalysis of BQTRU.

Ali Raya, Vikas Kumar, Aditi Kar Gangopadhyay, Sugata Gangopadhyay

IACR Cryptol. ePrint Arch., 2024

DiTRU: A Resurrection of NTRU over Dihedral Group.

Ali Raya, Vikas Kumar, Sugata Gangopadhyay

IACR Cryptol. ePrint Arch., 2024

An Efficient Noncommutative NTRU from Semidirect Product.

Vikas Kumar, Ali Raya, Aditi Kar Gangopadhyay, Sugata Gangopadhyay, Md Tarique Hussain

IACR Cryptol. ePrint Arch., 2024

ULTRA: Exploring Team Recommendations in Two Geographies Using Open Data in Response to Call for Proposals.

Siva Likitha Valluru, Michael Widener, Biplav Srivastava, Sugata Gangopadhyay

Proceedings of the 7th Joint International Conference on Data Science & Management of Data (11th ACM IKDD CODS and 29th COMAD), 2024

2023

An approach to occluded face recognition based on dynamic image-to-class warping using structural similarity index.

Shadab Naseem, Santosh Singh Rathore, Sandeep Kumar, Sugata Gangopadhyay, Ankita Jain

Appl. Intell., December, 2023

Stability of the Walsh-Hadamard spectrum of cryptographic Boolean functions with biased inputs.

Aditi Kar Gangopadhyay, Vikas Kumar, Pantelimon Stanica, Sugata Gangopadhyay

J. Appl. Math. Comput., August, 2023

Evolving bijective S-Boxes using hybrid adaptive genetic algorithm with optimal cryptographic properties.

Pratap Kumar Behera, Sugata Gangopadhyay

J. Ambient Intell. Humaniz. Comput., March, 2023

On Learning with LAD.

C. A. Jothishwaran, Biplav Srivastava, Jitin Singla, Sugata Gangopadhyay

CoRR, 2023

Lattice attack on group ring NTRU: The case of the dihedral group.

Vikas Kumar, Ali Raya, Sugata Gangopadhyay, Aditi Kar Gangopadhyay

CoRR, 2023

Rayleigh quotients of Dillon's functions.

Aditi Kar Gangopadhyay, Mansi, Bimal Mandal, Aleksandr Kutsenko, Sugata Gangopadhyay

CoRR, 2023

Results on the Key Space of Group-Ring NTRU: The Case of the Dihedral Group.

Ali Raya, Vikas Kumar, Sugata Gangopadhyay, Aditi Kar Gangopadhyay

Proceedings of the Security, Privacy, and Applied Cryptography Engineering, 2023

Study of Support Set Generation Techniques in LAD for Intrusion Detection.

Sneha Chauhan, Sugata Gangopadhyay, Aditi Kar Gangopadhyay

Proceedings of the Intelligent Systems and Pattern Recognition, 2023

Generating Adversarial Examples Using LAD.

Sneha Chauhan, Loreen Mahmoud, Tanay Sheth, Sugata Gangopadhyay, Aditi Kar Gangopadhyay

Proceedings of the Intelligent Data Engineering and Automated Learning - IDEAL 2023, 2023

Computational Results on Gowers U₂ and U₃ Norms of Known S-Boxes.

Vikas Kumar, Bimal Mandal, Aditi Kar Gangopadhyay, Sugata Gangopadhyay

Proceedings of the Codes, Cryptology and Information Security, 2023

2022

An improved hybrid genetic algorithm to construct balanced Boolean function with optimal cryptographic properties.

Pratap Kumar Behera, Sugata Gangopadhyay

Evol. Intell., 2022

C-differential bent functions and perfect nonlinearity.

Pantelimon Stanica, Sugata Gangopadhyay, Aaron Geary, Constanza Riera, Anton Tkachenko

Discret. Appl. Math., 2022

Intrusion Detection System for IoT Using Logical Analysis of Data and Information Gain Ratio.

Sneha Chauhan, Sugata Gangopadhyay, Aditi Kar Gangopadhyay

Cryptogr., 2022

A quantum algorithm to estimate the closeness to the Strict Avalanche criterion in Boolean functions.

C. A. Jothishwaran, Abhishek Chakraborty, Vishvendra Singh Poonia, Pantelimon Stanica, Sugata Gangopadhyay

CoRR, 2022

A Comparative Study of LAD, CNN and DNN for Detecting Intrusions.

Sneha Chauhan, Loreen Mahmoud, Sugata Gangopadhyay, Aditi Kar Gangopadhyay

Proceedings of the Intelligent Data Engineering and Automated Learning - IDEAL 2022, 2022

Design of Intrusion Detection System Based on Logical Analysis of Data (LAD) Using Information Gain Ratio.

Sneha Chauhan, Sugata Gangopadhyay

Proceedings of the Cyber Security, Cryptology, and Machine Learning, 2022

2021

A secure image encryption scheme based on a novel 2D sine-cosine cross-chaotic (SC3) map.

Bhaskar Mondal, Pratap Kumar Behera, Sugata Gangopadhyay

J. Real Time Image Process., 2021

Gowers U₂ norm as a measure of nonlinearity for Boolean functions and their generalizations.

Sugata Gangopadhyay, Constanza Riera, Pantelimon Stanica

Adv. Math. Commun., 2021

2020

A quantum algorithm to estimate the Gowers U₂ norm and linearity testing of Boolean functions.

C. A. Jothishwaran, Anton Tkachenko, Sugata Gangopadhyay, Constanza Riera, Pantelimon Stanica

Quantum Inf. Process., 2020

Generic constructions of $\mathbb {Z}$-bent functions.

Samir Hodzic, Enes Pasalic, Sugata Gangopadhyay

Des. Codes Cryptogr., 2020

Generalized bent Boolean functions and strongly regular Cayley graphs.

Constanza Riera, Pantelimon Stanica, Sugata Gangopadhyay

Discret. Appl. Math., 2020

2019

Design methods for semi-bent functions.

Enes Pasalic, Sugata Gangopadhyay, Wei-Guo Zhang, Samed Bajric

Inf. Process. Lett., 2019

Construction of resilient Boolean functions in odd variables with strictly almost optimal nonlinearity.

Yujuan Sun, Jia-Fang Zhang, Sugata Gangopadhyay

Des. Codes Cryptogr., 2019

New classes of p-ary bent functions.

Bimal Mandal, Pantelimon Stanica, Sugata Gangopadhyay

Cryptogr. Commun., 2019

Generalized Boolean Functions and Quantum Circuits on IBM-Q.

Sugata Gangopadhyay, Vishvendra Singh Poonia, Daattavya Aggarwal, Rhea Parekh

Proceedings of the 10th International Conference on Computing, 2019

2018

A TMDTO Attack Against Lizard.

Subhamoy Maitra, Nishant Sinha, Akhilesh Siddhanti, Ravi Anand, Sugata Gangopadhyay

IEEE Trans. Computers, 2018

Gowers U₃ norm of some classes of bent Boolean functions.

Sugata Gangopadhyay, Bimal Mandal, Pantelimon Stanica

Des. Codes Cryptogr., 2018

On non-existence of bent-negabent rotation symmetric Boolean functions.

Bimal Mandal, Bhupendra Singh, Sugata Gangopadhyay, Subhamoy Maitra, Vellaichamy Vetrivel

Discret. Appl. Math., 2018

Generalized nonlinearity of S-boxes.

Sugata Gangopadhyay, Goutam Paul, Nishant Sinha, Pantelimon Stanica

Adv. Math. Commun., 2018

Analysis of Cost function using Genetic algorithm to construct balanced Boolean function.

Pratap Kumar Behera, Sugata Gangopadhyay

Proceedings of the TENCON 2018, 2018

2017

A note on non-splitting Z-bent functions.

Sugata Gangopadhyay, Enes Pasalic, Pantelimon Stanica, Saral Datta

Inf. Process. Lett., 2017

Cubic Maiorana-McFarland bent functions with no affine derivative.

Bimal Mandal, Sugata Gangopadhyay, Pantelimon Stanica

Int. J. Comput. Math. Comput. Syst. Theory, 2017

On derivatives of polynomials over finite fields through integration.

Enes Pasalic, Amela Muratovic-Ribic, Samir Hodzic, Sugata Gangopadhyay

Discret. Appl. Math., 2017

Cryptographic Boolean functions with biased inputs.

Sugata Gangopadhyay, Aditi Kar Gangopadhyay, Spyridon Pollatos, Pantelimon Stanica

Cryptogr. Commun., 2017

Quantum Algorithms Related to \textitHN -Transforms of Boolean Functions.

Sugata Gangopadhyay, Subhamoy Maitra, Nishant Sinha, Pantelimon Stanica

Proceedings of the Codes, Cryptology and Information Security, 2017

2016

An Analysis of the 풞 Class of Bent Functions.

Bimal Mandal, Pantelimon Stanica, Sugata Gangopadhyay, Enes Pasalic

Fundam. Informaticae, 2016

Investigations on cubic rotation symmetric bent functions.

Sugata Gangopadhyay, Bhupendra Singh, Vellaichamy Vetrivel

Electron. Notes Discret. Math., 2016

2015

An analysis of the C class of bent functions.

Bimal Mandal, Pantelimon Stanica, Sugata Gangopadhyay, Enes Pasalic

IACR Cryptol. ePrint Arch., 2015

2014

On generalized bent functions with Dillon's exponents.

Samed Bajric, Enes Pasalic, Amela Muratovic-Ribic, Sugata Gangopadhyay

Inf. Process. Lett., 2014

The Fourier Entropy-Influence conjecture holds for a log-density 1 class of cryptographic Boolean functions.

Sugata Gangopadhyay, Pantelimon Stanica

IACR Cryptol. ePrint Arch., 2014

2013

A Note on Generalized Bent Criteria for Boolean Functions.

Sugata Gangopadhyay, Enes Pasalic, Pantelimon Stanica

IEEE Trans. Inf. Theory, 2013

Bent and generalized bent Boolean functions.

Pantelimon Stanica, Thor Martinsen, Sugata Gangopadhyay, Brajesh Kumar Singh

Des. Codes Cryptogr., 2013

A new construction of bent functions based on $${\mathbb{Z}}$$ -bent functions.

Sugata Gangopadhyay, Anand B. Joshi, Gregor Leander, Rajendra Kumar Sharma

Des. Codes Cryptogr., 2013

Affine inequivalence of cubic Maiorana-McFarland type bent functions.

Sugata Gangopadhyay

Discret. Appl. Math., 2013

2012

Investigations on Bent and Negabent Functions via the Nega-Hadamard Transform.

Pantelimon Stanica, Sugata Gangopadhyay, Ankita Chaturvedi, Aditi Kar Gangopadhyay, Subhamoy Maitra

IEEE Trans. Inf. Theory, 2012

Generic cryptographic weakness of <i>k</i>-normal Boolean functions in certain stream ciphers and cryptanalysis of grain-128.

Miodrag J. Mihaljevic, Sugata Gangopadhyay, Goutam Paul, Hideki Imai

Period. Math. Hung., 2012

Internal state recovery of keystream generator LILI-128 based on a novel weakness of the employed Boolean function.

Miodrag J. Mihaljevic, Sugata Gangopadhyay, Goutam Paul, Hideki Imai

Inf. Process. Lett., 2012

Internal state recovery of grain-v1 employing normality order of the filter function.

Miodrag J. Mihaljevic, Sugata Gangopadhyay, Goutam Paul, Hideki Imai

IET Inf. Secur., 2012

On Second-order Nonlinearities of Some D0 Type Bent Functions.

Sugata Gangopadhyay, Brajesh Kumar Singh

Fundam. Informaticae, 2012

2011

On lower bounds of second-order nonlinearities of cubic bent functions constructed by concatenating Gold functions.

Ruchi Gode, Sugata Gangopadhyay

Int. J. Comput. Math., 2011

Some Results Concerning Generalized Bent Functions.

Pantelimon Stanica, Sugata Gangopadhyay, Brajesh Kumar Singh

IACR Cryptol. ePrint Arch., 2011

The Good lower bound of Second-order nonlinearity of a class of Boolean function.

Manish Garg, Sugata Gangopadhyay

IACR Cryptol. ePrint Arch., 2011

On lower bounds on second-order nonliearities of bent functions obtained by using Niho power functions.

Manish Garg, Sugata Gangopadhyay

IACR Cryptol. ePrint Arch., 2011

A Lower Bound of the Second-order Nonlinearities of Boolean Bent Functions.

Manish Garg, Sugata Gangopadhyay

Fundam. Informaticae, 2011

Laced Boolean functions and subset sum problems in finite fields.

David Canright, Sugata Gangopadhyay, Subhamoy Maitra, Pantelimon Stanica

Discret. Appl. Math., 2011

2010

On the lower bounds of the second order nonlinearities of some Boolean functions.

Sugata Gangopadhyay, Sumanta Sarkar, Ruchi Telang

Inf. Sci., 2010

On second-order nonlinearities of some D₀ type bent functions.

Sugata Gangopadhyay, Brajesh Kumar Singh

IACR Cryptol. ePrint Arch., 2010

A New Class of Bent-Negabent Boolean Functions.

Sugata Gangopadhyay, Ankita Chaturvedi

IACR Cryptol. ePrint Arch., 2010

Third-order nonlinearities of a subclass of Kasami functions.

Ruchi Gode, Sugata Gangopadhyay

Cryptogr. Commun., 2010

Nega-Hadamard Transform, Bent and Negabent Functions.

Pantelimon Stanica, Sugata Gangopadhyay, Ankita Chaturvedi, Aditi Kar Gangopadhyay, Subhamoy Maitra

Proceedings of the Sequences and Their Applications - SETA 2010, 2010

A generic weakness of the k-normal Boolean functions exposed to dedicated algebraic attack.

Miodrag J. Mihaljevic, Sugata Gangopadhyay, Goutam Paul, Hideki Imai

Proceedings of the International Symposium on Information Theory and its Applications, 2010

2009

On second order nonlinearities of cubic monomial Boolean functions.

Ruchi Gode, Sugata Gangopadhyay

IACR Cryptol. ePrint Arch., 2009

On the Lower Bounds of the Second Order Nonlinearity of some Boolean Functions.

Sugata Gangopadhyay, Sumanta Sarkar, Ruchi Telang

IACR Cryptol. ePrint Arch., 2009

Nontrivial Solutions to the Cubic Sieve Congruence Problem.

Subhamoy Maitra, Y. V. Subba Rao, Pantelimon Stanica, Sugata Gangopadhyay

Computación y Sistemas, 2009

On affine (non)equivalence of Boolean functions.

Sugata Gangopadhyay, Deepmala Sharma, Sumanta Sarkar, Subhamoy Maitra

Computing, 2009

2008

On Kasami Bent Functions.

Deepmala Sharma, Sugata Gangopadhyay

IACR Cryptol. ePrint Arch., 2008

2007

On construction of non-normal Boolean functions.

Sugata Gangopadhyay, Deepmala Sharma

Australas. J Comb., 2007

2006

On a new invariant of Boolean functions.

Sugata Gangopadhyay, Deepmala Sharma

IACR Cryptol. ePrint Arch., 2006

2004

Crosscorrelation Spectra of Dillon and Patterson-Wiedemann type Boolean Functions.

Sugata Gangopadhyay, Subhamoy Maitra

IACR Cryptol. ePrint Arch., 2004

2003

Patterson-Wiedemann Construction Revisited.

Sugata Gangopadhyay, Pradipkumar H. Keskar, Subhamoy Maitra

Electron. Notes Discret. Math., 2003

2002

Further Results Related to Generalized Nonlinearity.

Sugata Gangopadhyay, Subhamoy Maitra

Proceedings of the Progress in Cryptology, 2002