31 citations · 104 across the 10 of their papers we have counts for
10 papers
CoviChain: A Blockchain Based COVID-19 Vaccination Passport
Philip Bradish, Sarang Chaudhari, Michael Clear +1
Vaccination passports are being issued by governments around the world in order to open up their travel and hospitality sectors. Civil liberty campaigners on the other hand argue t…
A Lightweight Encryption Scheme for IoT Devices in the Fog
Matthew Chun, Stefan Weber, Hitesh Tewari
The Internet of Things (IoT) is the collection of everyday smart devices which connect to the Cloud, often through Fog nodes, to transmit and receive information. These everyday de…
T-Cash: Transferable Fiat Backed Coins
Hitesh Tewari
Numerous electronic cash schemes have been proposed over the years - however none have been embraced by financial institutions as an alternative to fiat currency. David Chaum's eca…
Blockchain-Enabled NextGen Service Architecture for Mobile Internet Offload
Raman Singh, Hitesh Tewari
The amalgamation of different generations of mobile cellular networks around the globe has resulted in diverse data speed experiences for end users. At present there are no defined…
zkHawk: Practical Private Smart Contracts from MPC-based Hawk
Aritra Banerjee, Michael Clear, Hitesh Tewari
Cryptocurrencies have received a lot of research attention in recent years following the release of the first cryptocurrency Bitcoin. With the rise in cryptocurrency transactions,…
Blockchain-Enabled End-to-End Encryption for Instant Messaging Applications
Raman Singh, Ark Nandan Singh Chauhan, Hitesh Tewari
In the era of social media and messaging applications, people are becoming increasingly aware of data privacy issues associated with such apps. Major messaging applications are mov…
Framework for a Decentralized Web
Raman Singh, Andrew Donegan, Hitesh Tewari
Over the past decade, we have witnessed the Internet becoming increasingly centralized in the hands of a small number of giant technology firms, that control many of the most popul…
Framework for a DLT Based COVID-19 Passport
Sarang Chaudhari, Michael Clear, Hitesh Tewari
Uniquely identifying individuals across the various networks they interact with on a daily basis remains a challenge for the digital world that we live in, and therefore the develo…
Demystifying the Role of zk-SNARKs in Zcash
Aritra Banerjee, Michael Clear, Hitesh Tewari
Zero-knowledge proofs have always provided a clear solution when it comes to conveying information from a prover to a verifier or vice versa without revealing essential information…
Homomorphic Encryption with Access Policies: Characterization and New Constructions
Michael Clear, Arthur Hughes, Hitesh Tewari
A characterization of predicate encryption (PE) with support for homomorphic operations is presented and we describe the homomorphic properties of some existing PE constructions. E…