Recommended Reading

RFC 2616. Hypertext Transfer Protocol HTTP/1.1. IETF. http://www.ietf.org/rfc/rfc2616.txt, 1999

RFC 2617. HTTP Authentication: Basic and Digest Access Authentication.IETF. http://www.ietf.org/rfc/rfc2617.txt, 1999

RFC 2104. HMAC: Keyed-Hashing for Message Authentication. IETF. http://www.ietf.org/rfc/rfc2104.txt, 1997

RFC 2246. HMAC: The TLS Protocol Version 1.0. IETF. http://www.ietf.org/rfc/rfc2246.txt, 1999