Security

XML Digital Signatures: http://www.w3.org/TR/SOAP-dsig/

Applied Cryptography, Bruce Schneier, John Wiley and Sons, 1995 (ISBN 0471117099)

Programming Windows Security, Keith Brown, Addison, 2000 (ISBN 0201604426)

Internet Protocol Security: http://www.microsoft.com/windows2000/techinfo/planning/security/ipsecsteps.asp

Web Service Security: http://msdn.microsoft.com/vstudio/nextgen/technology/security.asp

The OASIS organization is working on a standard authentication and authorization specification called Security Assertion Markup Language or SAML. More information can be found at http://www.oasis-open.org/committees/security/.