Secure Publishing Techniques
Integrity is a key security requirement. It deals with assuring that information is not tampered with and is only modified by properly authorized subjects. In the Web service world, integrity is crucial from at least two different perspectives. The first is related to integrity of information transmitted across the network. Integrity in such context is assured by the use of digital signatures, for which an XML standard has been specified (see Chapter 4). The second, more important issue is related to the integrity of UDDI registries . Because such registries provide structured and standard descriptions of Web services, as well as searching facilities for finding the service providers that better fit client requirements, their integrity is crucial.
KeywordsHash Function Binary Tree Signature Element Bibliographic Note Signature Technique
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