Based. Net Xml Security

XML (eXtensible Markup Language)is a kind of data standard set down by W3C(the World Wide Web Consortium).It is widely used in various fields because of it is traits, like structured, flexible, extensible and exchangeable. It is becoming to be the most important data-exchange technology in the enterprise or between enterprises. The generally used of XML increase the XML's security problem, such as integrated, confidential and nonrepudiation.The article is pointing on the XML-Security problems, and a scheme was designed for the XML's secure transmission which is being used in a application system, by researching the XML encryption and XML signature. This scheme provided a protection for the XML, which also can enhance the security of the data.The scheme is based on the .NET technology and presents a way to realize the security of XML data in logistic information by C# and satisfies the demand of XML data secures transmission.In the electronic commerce, the safety is the problem that we have to want to consider first. Now, encrypt to the whole XML text file currently, test and various verification be a simple processes. In the article, we carried on the analysis and research of system to the safety of .NET first. And we concretely studied the realization that the XML safety is under the .NET environment. Next,we take the .NET as a foundation to set up a safe system of the XML . We study combination of XML under the current the environments of Internet. Then, we introduce the techniques of encryption and decryption, digital signature, authorization and related techniques. Based on the above analysis, we design and realize a XML security using VS.NET which has good supports for XML. The system can operate any part of the XML documents, and perform encryption and perform encryption and decryption, digital signature, authorization in arbitrary sequences, carry out the XML safety operation in basic.