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SEC
2004

Interactive Access Control for Web Services

9 years 3 months ago
Interactive Access Control for Web Services
Business Processes for Web Services (BPEL4WS) are the new paradigms for lightweight enterprise integration. They cross organizational boundaries and are provided by entities that see each other just as business partners. Web services require shift in the access control mechanism: from identity-based access control to trust management and negotiation, but this is not enough for cross organizational business processes. For many businesses no partner may guess a priori what kind of credentials will be sent by clients and clients may not know a priori which credentials are required for completing a business process. We propose a logical framework for reasoning about access control for BPEL4WS and a BPEL4WS based implementation using Collaxa server. Our model is based on interaction and exchange of requests for supplying or declining missing credentials. We identify the formal reasoning services (deduction, abduction, consistency checking) that characterise the problem and discuss their imp...
Hristo Koshutanski, Fabio Massacci
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2004
Where SEC
Authors Hristo Koshutanski, Fabio Massacci
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