Service Oriented Architectures (SOA) promise a flexible approach to utilize distributed capabilities that may be located in independent trust domains. These capabilities can be exposed using Web Service technologies, which provide functionality to describe, discover, and invoke exposed services across organisational boundaries. A broad range of SOA-platforms and toolkits are available focusing ...

In this paper, we present an approach to solve the problem of secure execution of semantic web service composition plans. The integrated components of this approach include our OWL-S service matchmaker, OWLS-MX, the service composition planner, OWLS-XPlan, and the security checker module for formally verifying the compliance of the created composition plan to be executed with given data and ser...

A web application today often utilizes web APIs to incorporate third-party services into its functionality. Such API integration, however, is full of security perils: recent studies show that popular web sites using high-profile web services, such as PayPal/Amazon checkouts and Facebook/Google singlesign-on (SSO) services, are riddled with logic flaws, enabling a malicious party to shop for fre...

The project had two intended goals. One was to create a prototype for the proxy component of the Secure Webservice Platform system that can function on the GNU/Linux operating system. The other goal was to evaluate a number of different SOAP security methods in order to determine if any could function as a alternative to the Specifikation för Säker Elektronisk Kommunikation (SSEK) standard. In ...