The development of XML is fast, and W3C is also developing XML-related standards, such as XHTML, XFORM, XLINK, XML, XML Base, XML Query, XML Schema, XML Signature, XML Schema, XML Signature, Xpath, XPointer, XSL and XSLT a lot. Now the development of informationization is rapid, safe is also a matter of manufacturers and users, so XML security is also very important.
Now the XML security solution has two, one is the use of Apache XML Security, the other is IBM XML Security Suite
Excerpted from: http://blog.9cbs.net/sharDy/archive/2004/08/13/73303.aspx