Cryptographic hash functions for calculating the message digest of a message has been in practical use as an effective measure to maintain message integrity since a few decades. This message digest is unique, irreversible and avoids all types of collisions for any given input string. The message digest calculated from this algorithm is propagated in the communication medium along with the origi...

This specification defines how HTTP Digest Authentication [Digest] can be used as a SASL [RFC 2222] mechanism for any protocol that has a SASL profile. It is intended both as an improvement over CRAM-MD5 [RFC2195] and as a convenient way to support a single authentication mechanism for web, mail, LDAP, and other protocols. Leach, Newman Standards Track [Page 1] Digest Authentication as a SASL M...

The rapid growth of the World Wide Web and the Internet has fueled interest in Web services and the Semantic Web, which are quickly becoming important parts of modern electronic commerce systems. An interesting segment of the Web services domain are the facilities for document manipulation including Web search, information monitoring, data extraction, and page comparison. These services are bui...

In 1993, with the special assistance of Chris Spain, Director of Research, Program Planning, and Special Projects for the Council, we brought back the President's Council on Physical Fitness and Sports Research Digest that was originally published by the Council under the editorship of H. Harrison Clarke. As young professionals we remember reading the Digest and admiring the way Dr. Clarke was ...