Nega-Hadamard Transform, Bent and Negabent Functions. - Pantelimon Stanica; Sugata Gangopadhyay; Ankita Chaturvedi; Aditi Kar Gangopadhyay; Subhamoy Maitra (SETA, 2010)

A New Class of Bent-Negabent Boolean Functions. - Sugata Gangopadhyay; Ankita Chaturvedi (IACR Cryptol. ePrint Arch., 2010)

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)

Improved Biometric-Based Three-factor Remote User Authentication Scheme with Key Agreement Using Smart Card. - Ankita Chaturvedi; Dheerendra Mishra; Sourav Mukhopadhyay (ICISS, 2013)

On Generalized Nega-Hadamard Transform. - Ankita Chaturvedi; Aditi Kar Gangopadhyay (QSHINE, 2013)

Cryptanalysis and Improvement of Jiang et al.'s Smart Card Based Remote User Authentication Scheme. - Dheerendra Mishra; Ankita Chaturvedi; Sourav Mukhopadhyay (CoRR, 2013)

Cryptanalysis and Improvement of Yan et al.'s Biometric-Based Authentication Scheme for Telecare Medicine Information Systems. - Dheerendra Mishra; Sourav Mukhopadhyay; Ankita Chaturvedi; Saru Kumari; Muhammad Khurram Khan (J. Medical Syst., 2014)

Security Enhancement of a Biometric based Authentication Scheme for Telecare Medicine Information Systems with Nonce. - Dheerendra Mishra; Sourav Mukhopadhyay; Saru Kumari; Muhammad Khurram Khan; Ankita Chaturvedi (J. Medical Syst., 2014)

New Constructions of T-function. - Dibyendu Roy 001; Ankita Chaturvedi; Sourav Mukhopadhyay (ISPEC, 2015)

On the security enhancement of integrated electronic patient records information systems. - Muhammad Khurram Khan; Ankita Chaturvedi; Dheerendra Mishra; Saru Kumari (Comput. Sci. Inf. Syst., 2015)

An improved biometric-based remote user authentication scheme for connected healthcare. - Dheerendra Mishra; Ankita Chaturvedi; Sourav Mukhopadhyay (Int. J. Ad Hoc Ubiquitous Comput., 2015)

Design of a lightweight two-factor authentication scheme with smart card revocation. - Dheerendra Mishra; Ankita Chaturvedi; Sourav Mukhopadhyay (J. Inf. Secur. Appl., 2015)

A secure password-based authentication and key agreement scheme using smart cards. - Dheerendra Mishra; Ashok Kumar Das; Ankita Chaturvedi; Sourav Mukhopadhyay (J. Inf. Secur. Appl., 2015)

Design of a secure smart card-based multi-server authentication scheme. - Ankita Chaturvedi; Ashok Kumar Das; Dheerendra Mishra; Sourav Mukhopadhyay (J. Inf. Secur. Appl., 2016)

A privacy preserving biometric-based three-factor remote user authenticated key agreement scheme. - Ankita Chaturvedi; Dheerendra Mishra; Srinivas Jangirala; Sourav Mukhopadhyay (J. Inf. Secur. Appl., 2017)

An enhanced dynamic ID-based authentication scheme for telecare medical information systems. - Ankita Chaturvedi; Dheerendra Mishra; Sourav Mukhopadhyay (J. King Saud Univ. Comput. Inf. Sci., 2017)