A file-based implementation of XML encryption

XML is the de-facto language of business transaction and widely used as a standard format to exchange electronic documents and messages. The most popular technology about the XML is the feature of structuring data and the XML based encryption in a natural way to handle complex requirement for securing XML data flow and exchange between applications. In this paper, we present the implementation of XML encryption utilizing Public Key Infrastructure (PKI) technology compliance with W3C's working draft for XML encryption.