[SSL-and-TLS] SSL and TLS: Designing and Building Secure Systems. 0-201-62598-3. Addison-Wesley. March 2001.
[REC-XML-names] Namespaces in XML. January 1999.
[RFC2616] Hypertext Transfer Protocol—HTTP/1.1. IETF. June 1999.
[RFC2518] HTTP Extensions for Distributed Authoring—WEBDAV. IETF. February 1999.
[RFC3280] Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile. IETF. April 2002.