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Using Generic Security Service Application Program Interface (GSS-API) Mechanisms in Simple Authentication and Security Layer (SASL): The GS2 Mechanism Family (RFC5801) Disclosure Number: IPCOM000197500D
Original Publication Date: 2010-Jul-01
Included in the Prior Art Database: 2010-Nov-07
Document File: 52 page(s) / 53K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Josefsson: AUTHOR [+2]


Generic Security Service Application Program Interface (GSS-API) [RFC2743] is a framework that provides security services to applications using a variety of authentication mechanisms. Simple Authentication and Security Layer (SASL) [RFC4422] is a framework to provide authentication and security layers for connection-based protocols, also using a variety of mechanisms. This document describes how to use a GSS-API mechanism as though it were a SASL mechanism. This facility is called GS2 -- a moniker that indicates that this is the second GSS-API->SASL mechanism bridge. The original GSS-API->SASL mechanism bridge was specified by [RFC2222], now [RFC4752]; we shall sometimes refer to the original bridge as GS1 in this document.

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Internet Engineering Task Force (IETF)                      S. Josefsson Request for Comments: 5801                                        SJD AB Category: Standards Track                                    N. Williams ISSN: 2070-1721                                                   Oracle                                                                July 2010

  Using Generic Security Service Application Program Interface (GSS-API)      Mechanisms in Simple Authentication and Security Layer (SASL):                         The GS2 Mechanism Family


   This document describes how to use a Generic Security Service    Application Program Interface (GSS-API) mechanism in the Simple    Authentication and Security Layer (SASL) framework.  This is done by    defining a new SASL mechanism family, called GS2.  This mechanism    family offers a number of improvements over the previous "SASL/    GSSAPI" mechanism: it is more general, uses fewer messages for the    authentication phase in some cases, and supports negotiable use of    channel binding.  Only GSS-API mechanisms that support channel    binding and mutual authentication are supported.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

Josefsson & Williams         Standards Track                    [Page 1]
 RFC 5801                       SASL GS2-*                      July 2010

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