| With the development of web, Web Services become more and more. Facing the growing Web Services, service requesters urgently need a way to identify the trustworthy of Web Services.However the current Web Services itself do not provide the trusted measurement scheme to verify itself's trusted. So service requesters can not verdict whether the web services can execute correctly. Focus on the aforementioned problem, researching on trusted measurement scheme which established in trusted Web Services becomes such an important study.Based on the analysis of the types of trust and forming process of transactional trust, this paper proposes its own definition of trust and combined with the core content of Web Services to analyze the trusty of Web Services and also gives the definition of trusted Web Services and its main characters.Based on the previouse knowledge, this paper proposes the Trusted Measurement Scheme for Web Services which is based on the third party. That Scheme includes Web Services Integrity Measurement and Web Services Function Measurement.In Inegrity Measurement, this paper proposes the improved message digest algorithm and through generating message digest value, storing the message digest value and verifying the message digest value to complete the measurement; The Function Measurement process uses the programme to automatically analyze the WSDL file and generate the SOAP request to give the third party's convenience. And in the Scheme, the traditional Web Services's structure is also improved to show the trusted measurement results to give the customer to search the measurement results.At last, based on the Web Services Trusted Measurement Scheme, this paper implements the Web Services Trusted Measurement System by Seam and other MVC technologies. Practise the Web Services Trusted Measuremnt Scheme in real world. And this paper also does the functional and performance testing to verify the System's availability and runtime efficiency. |
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