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Title : Salted Challenge Response Authentication Mechanism (SCRAM)
Author(s) : C. Newman, et al.
Filename : draft-newman-auth-scram-05.txt
Pages : 16
Date : 2007-12-14
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 security
concerns and meets the deployability requirements. When used in
combination with TLS 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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http://www.ietf.org/internet-drafts/draft-newman-auth-scram-05.txt
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