Nowadays under COVID 2019, e-learning has become a potential prop approach of
technology in education that provides contemporary learners with authentic knowledge …

Electronic cash (e-cash) aims at achieving client privacy at payment, similar to real cash.
Several security protocols have been proposed to ensure privacy in e-cash, as well as the …

The main concern for institutions that organize exams is to detect when students cheat.
Actually more frauds are possible and even authorities can be dishonest. If institutions wish …

Mix-Nets are used to provide anonymity by passing a list of inputs through a collection of mix
servers. Each server mixes the entries to create a new anonymized list, so that the …

In education, the use of electronic (E) examination systems is not a novel idea, as E-
examination systems have been used to conduct objective assessments for the last few …

We study coercion-resistance for online exams. We propose two new properties,
Anonymous Submission and Single-Blindness which preserve the anonymity of the links …

The authentication of a web server is a crucial procedure in the security of web browsing. It
relies on certificate validation, a process that may require the participation of the user. Thus …

Relying on a trusted third party (TTP) in the design of a security protocol introduces obvious
risks. Although the risks can be mitigated by distributing the trust across several parties, it …

Universities and other educational organizations are adopting computer-based assessment
tools (herein called e-exams) to reach larger and ubiquitous audiences. While this makes …

More and more universities are moving toward electronic exams (in short e-exams). This
migration exposes exams to additional threats, which may come from the use of the …