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Title : Salted Challenge Response Authentication Mechanism (SCRAM)
Author(s) : C. Newman
Filename : draft-newman-auth-scram-04.txt
Pages : 12
Date : 2007-3-8
The secure authentication mechanism most widely deployed and used by
Internet application protocols, is the transmission of clear-text
passwords over a channel protected by Transport Layer Security
(TLS). There are some significant security concerns with that
mechanism which could be addressed by the use of a challenge
response authentication mechanism protected by TLS. Unfortunately,
the challenge response mechanisms presently on the standards track
all fail to meet requirements necessary for widespread deployment
and have had success only in limited use.
This specification describes the Salted Challenge Response
Authentication Mechanism (SCRAM) which addresses the deployability
requirements. When used in combination with Transport Layer
Security or an equivalent security layer, this mechanism could
improve the status-quo for application protocol authentication and
provide a suitable choice for a mandatory-to-implement mechanism for
future application protocol standards.
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