Analysis Of Web Services Security

With the rapid growth of computer and internet, as one method of obtaining information, XML is wildly used in this field.Web Services, based on XML, makes Web provide not only information but also services and facilitate the intercommunion of the Web.But the current Web Services architecture lacks of effective supply to the security and safeguards.Research on Web Services Security is of great importance.The dissertation firstly introduces the protocol and the framework of Web Services, particularly discusses the associated security technology and its criterion. The dissertation introduces the Web Services' base(XML), SOAP protocol, WSDL language and UDDI, respectively illuminates a variety of the existing security criterion.Followed by, the dissertation introduces the security of the soap massage, introduces XML Encryption criterion, XML Signature criterion and Web Service Security criterion in detail.Based on this, it aims at the security requirement on the soap massage level, put forward a model based on the WS-Security criterion, which integrates the security token mechanism, validation mechanism and authorization mechanism.It experiments and primarily analyses a variety of project.