Simple Authentication and Security Layer
charter-ietf-sasl-06

Document Charter Simple Authentication and Security Layer WG (sasl)
Title Simple Authentication and Security Layer
Last updated 2010-08-23
State Approved
WG State Concluded
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Charter
charter-ietf-sasl-06

The Simple Authentication and Security Layer [RFC4422] provides key
  security services to a number of application protocols including BEEP,
  IMAP, LDAP, POP, and SMTP. The purpose of this working group is to
  shepherd SASL, including select SASL mechanisms, through the Internet
  Standards process.
  
  This group will work to progress the SASL Technical Specification
  toward Draft Standard.
  
  The group has determined that DIGEST-MD5 [RFC2831] is not suitable for
  progression on the Standards Track due to interoperability,
  internationalization, and security concerns. The group will deliver a
  technical specification for a suitable password-based challenge/
  response replacement mechanism for Standard Track consideration.
  
  The replacement mechanism is expected to be "better than" DIGEST-MD5
  from a number of perspectives including interoperability,
  internationalization, and security. The replacement mechanism is not
  expected to (but may) provide a security layer itself, instead relying
  on security services provided at a lower layer (e.g., TLS) and channel
  bindings. The WG is expected to strike a consensus-supported balance
  between the many qualities desired in the replacement. Desired
  qualities include (but are not limited to) negotiated key hardening
  iteration count, downgrade attack protection, and mutual authentication.
  The group intends to consider a number of approaches, including
  draft-newman-auth-scram and draft-josefsson-password-auth, as input.
  Additionally, the WG will deliver a document summarizing its
  DIGEST-MD5 concerns and requesting RFC 2831 be moved to Historic
  status. This document will be based upon draft-ietf-sasl-digest-to-
  historic.
  
  This group will deliver a revised Technical Specification suitable for
  publication as Proposed Standard for the GSS-API family of SASL
  mechanisms. This work will be based upon draft-ietf-sasl-gs2.
  
  The group will produce a successor document for the CRAM-MD5
  specification, RFC 2195. The outcome can be a Standards Track
  specification replacing RFC 2195, an Informational document moving RFC
  2195 to Historic, or an Informational document that documents existing
  implementation practice.
  
  The following areas are not within the scope of work of this WG:
  
  - new features,
  
  - SASL Mechanisms not specifically mentioned above, and
  
  - SASL "profiles".
  
  However, the SASL WG is an acceptable forum for review of SASL-related
  submissions produced by others as long as such review does not impede
  progress on the WG objectives listed above.