A decentralized privacy-preserving healthcare blockchain for IoT

AD Dwivedi, G Srivastava, S Dhar, R Singh - Sensors, 2019 - mdpi.com
Medical care has become one of the most indispensable parts of human lives, leading to a
dramatic increase in medical big data. To streamline the diagnosis and treatment process …

Internet of things based blockchain for temperature monitoring and counterfeit pharmaceutical prevention

R Singh, AD Dwivedi, G Srivastava - Sensors, 2020 - mdpi.com
The top priority of today's healthcare system is delivering medicine directly from the
manufacturer to end-user. The pharmaceutical supply chain involves some level of …

A digital rights management system based on a scalable blockchain

A Garba, AD Dwivedi, M Kamal, G Srivastava… - Peer-to-Peer Networking …, 2021 - Springer
Even though the Internet promotes data sharing and transparency, however it does not
protect digital content. In today's digital world, it has become a difficult task to release a DRM …

SLIM: A lightweight block cipher for internet of health things

B Aboushosha, RA Ramadan, AD Dwivedi… - IEEE …, 2020 - ieeexplore.ieee.org
Nowadays, there is a strong demand for increasing the protection of resource-constrained
devices such as Radio frequency identification (RFID) systems. Current cryptographic …

Security and privacy of patient information in medical systems based on blockchain technology

H Wu, AD Dwivedi, G Srivastava - ACM Transactions on Multimedia …, 2021 - dl.acm.org
The essence of “blockchain” is a shared database in which information stored is un-
falsifiable, traceable, open, and transparent. Therefore, to improve the security of private …

Tracing the source of fake news using a scalable blockchain distributed network

AD Dwivedi, R Singh, S Dhall… - 2020 IEEE 17th …, 2020 - ieeexplore.ieee.org
In the news industry, as well as in social media, fake news detection and identification of
news sources has become a central topic of discussion. In the era of digitization, anyone can …

Differential cryptanalysis of round-reduced speck suitable for internet of things devices

AD Dwivedi, P Morawiecki, G Srivastava - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, we focus on differential cryptanalysis of a lightweight ARX cipher. These
ciphers use three simple arithmetic operations, namely, modular addition, bitwise rotation …

[HTML][HTML] Security analysis of lightweight IoT encryption algorithms: SIMON and SIMECK

AD Dwivedi, G Srivastava - Internet of Things, 2023 - Elsevier
This paper presents the differential cryptanalysis of two lightweight ciphers, namely, SIMON
and SIMECK. The first cipher SIMON was presented by the US National Security Agency in …

Differential cryptanalysis of round-reduced LEA

AD Dwivedi, G Srivastava - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, we focus on the differential cryptanalysis dedicated to a particular class of
cryptographic algorithms, namely ARX ciphers. We propose a new algorithm inspired by the …

Security analysis of lightweight IoT cipher: Chaskey

AD Dwivedi - Cryptography, 2020 - mdpi.com
This paper presents the differential cryptanalysis of ARX based cipher Chaskey using tree
search based heuristic approach. ARX algorithms are suitable for resource-constrained …