Book details of 'Non-Repudiation in Electronic Commerce'

Title	Non-Repudiation in Electronic Commerce
Author(s)	Jianying Zhou
ISBN	1580532470
Language	English
Published	August 2001
Publisher	Artech House

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Reviewer Rob Slade wrote:
The preface outlines non-repudiation as a security service in its own right, with supporting requirements, rather than an effect of another security mechanism. This position is in rather interesting contrast to most works that tag non-repudiation onto the list of functions that can be accomplished by asymmetric (public key) cryptography: a benefit, but a bit of an afterthought. Chapter one gives us an introduction to the basics of non-repudiation, in both electronic mail and electronic commerce. Various parties to a transaction, the means, requirements, and forms of evidence all make up the fundamentals of non-repudiation in chapter two. Digital signatures are the traditional, but not the only way to prevent repudiation of a transaction or message, and chapter three examines four approaches for maintaining their validity. Chapter four investigates the concept of fairness in a non-repudiation system, ensuring that where the transaction is not completed neither side is able to obtain an advantage over the other. In general, fairness requires either gradual disclosure (in an ad hoc situation) or the involvement of a trusted third party. Specific "Fair" protocols are reviewed in chapter five. Chapter six looks at the ISO's (International Standards Organization) non-repudiation mechanisms. Case studies of the detailed requirements and proposed protocols for an online lottery (which also involves anonymity) and mobile (wireless) billing are in chapter seven. Chapter eight has a summary of the main points in the book, and appendix A deals with formal verification of non-repudiation. A detailed and interesting account of a rather neglected but important topic. copyright Robert M. Slade, 2003
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