Secure Multi-Party Non-Repudiation Protocols and by José A. Onieva, Jianying Zhou

By José A. Onieva, Jianying Zhou

Research orientated non-repudiation protocols were lively because the starting of this millennium. it's time to take a breakthrough and discover that during many purposes there are greater than entities. Secure Multi-Party Non-Repudiation Protocols and Applications helps this statement.

This quantity offers state-of-the-art in non-repudiation protocols and offers perception of its applicability to e-commerce applications.This expert booklet organizes the prevailing scant literature relating to non-repudiation protocols with a number of entities participation. It presents the reader with enough grounds to appreciate the non-repudiation estate and its applicability to genuine applications.

Secure Multi-Party Non-Repudiation Protocols and Applications is vital for pro audiences with in-depth wisdom of knowledge safety and a easy wisdom of utilized cryptography.This booklet is usually appropriate as an advanced-level textual content or reference ebook for college students in desktop science.

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Extra info for Secure Multi-Party Non-Repudiation Protocols and Applications

Example text

An on-line TTP participates in the generation and verification of evidence throughout the protocol instance. An in-line TTP acts as an intermediary in all the interactions among the users. The difference between third parties that are used only in case of exceptions and third parties that are actively involved in a protocol was first explained in [47]. Obviously, the first type is preferred if efficiency is the major concern, but in some situations and ecommerce applications, to have a delivery agent or intermediary could be the best practical solution.

A protocol fulfills strong fairness when the exchange is completed, the sender A can prove to an arbitrator that the recipient B has received (or can still receive) the item, without any further intervention from A. On the other hand, a protocol fulfills weak fairness when the exchange is completed, A can prove to an arbitrator that B has received (or can still receive) the item, or otherwise an affidavit can be presented to demonstrate that B misbehaved or a network failure occurred. • Efficiency is another criteria.

Furthermore, this digital declaration and commitments are a new approach to digital evidence with no implications on how non-repudiation protocols handle the evidence. 3 Roles of the TTP One of the main features which allows us to classify the TTPs is its role in a non-repudiation service. , it will be invoked only when there is something wrong in a transaction, is referred to as an off-line TTP. An on-line TTP participates in the generation and verification of evidence throughout the protocol instance.

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