Emerging network computing technologies extend the functionalities of industrial IoT (IIoT)
terminals. However, this promising service-provisioning scheme encounters problems in …

We present protocols for fair exchange of electronic data (digital signatures, payment and
confidential data) between two parties A and B. Novel properties of the proposed protocols …

On-line commercial transactions involve an inherent mistrust between participant parties
since, sometimes, no previous relation exists between them. Such mistrust may be a …

With the phenomenal growth of the Internet and open networks in general, security services,
such as non-repudiation, become crucial to many applications. Non-repudiation services …

Nonrepudiation is a security service that plays an important role in many Internet
applications. Traditional two-party nonrepudiation has been studied intensively in the …

We present a new theoretical generic protocol that offers non-repudiation services. We first
go through the state of the art about non-repudiation. We will see that in order to achieve …

The growing importance of electronic commerce and the increasing number of applications
in this area has led research into studying methods of how to perform safe and secure online …

Dr. Gary McGraw, a well-known software security expert, said,“First things first—make sure
you know how to code, and have been doing so for years. It is better to be a developer (and …

Fair exchange turns out to be an increasingly important topic due to the rapid growth of
electronic commerce. An exchange is deemed to be fair if at the end of exchange, either …

Content distribution via the Internet is becoming increasingly popular. To be cost-effective,
commercial content providers are considering the use of peer-to-peer (P2P) protocols such …