IETF Specifications for Microsoft Digest SSP
HTTP Authentication: Basic and Digest Access Authentication (RFC 2617) is available at http://www.ietf.org/rfc/rfc2617.txt.
Using Digest as a SASL Mechanism Internet draft is available at http://www.ietf.org/rfc/rfc2831.txt.
For additional information on SASL, also see the Simple Authentication and Security Layer specification (RFC 2222) available at http://www.ietf.org/rfc/rfc2222.txt.
Build date: 11/16/2013