< draft-ietf-oauth-saml2-bearer-07.txt		draft-ietf-oauth-saml2-bearer-08.txt >
	B. Campbell, Ed.		B. Campbell, Ed.
	Internet-Draft Ping Identity Corp.		Internet-Draft Ping Identity Corp.
	Intended status: Standards Track C. Mortimore		Intended status: Standards Track C. Mortimore
	Expires: February 2, 2012 Salesforce.com		Expires: February 2, 2012 Salesforce.com
	Aug 2011		Aug 2011
	SAML 2.0 Bearer Assertion Profiles for OAuth 2.0		SAML 2.0 Bearer Assertion Profiles for OAuth 2.0
	draft-ietf-oauth-saml2-bearer-07		draft-ietf-oauth-saml2-bearer-08
	Abstract		Abstract
	This specification defines the use of a SAML 2.0 Bearer Assertion as		This specification defines the use of a SAML 2.0 Bearer Assertion as
	means for requesting an OAuth 2.0 access token as well as for use as		means for requesting an OAuth 2.0 access token as well as for use as
	a means of client authentication.		a means of client authentication.
	Status of this Memo		Status of this Memo
	This Internet-Draft is submitted in full conformance with the		This Internet-Draft is submitted in full conformance with the
	skipping to change at page 3, line 40 ¶		skipping to change at page 3, line 40 ¶
	grant types to support additional clients or to provide a bridge		grant types to support additional clients or to provide a bridge
	between OAuth and other trust frameworks. Finally, OAuth allows the		between OAuth and other trust frameworks. Finally, OAuth allows the
	definition of additional authentication mechanisms to be used by		definition of additional authentication mechanisms to be used by
	clients when interacting with the authorization server.		clients when interacting with the authorization server.
	The OAuth 2.0 Assertion Profile [I-D.ietf.oauth-assertions] is an		The OAuth 2.0 Assertion Profile [I-D.ietf.oauth-assertions] is an
	abstract extension to OAuth 2.0 that provides a general framework for		abstract extension to OAuth 2.0 that provides a general framework for
	the use of assertions as client credentials and/or authorization		the use of assertions as client credentials and/or authorization
	grants with OAuth 2.0. This specification profiles the OAuth 2.0		grants with OAuth 2.0. This specification profiles the OAuth 2.0
	Assertion Profile [I-D.ietf.oauth-assertions] to define an extension		Assertion Profile [I-D.ietf.oauth-assertions] to define an extension
	grant type that usues a SAML 2.0 Bearer Assertion to request an OAuth		grant type that uses a SAML 2.0 Bearer Assertion to request an OAuth
	2.0 access token as well as for use as client credentials. The		2.0 access token as well as for use as client credentials. The
	format and processing rules for the SAML Assertion defined in this		format and processing rules for the SAML Assertion defined in this
	specification are intentionally similar, though not identical, to		specification are intentionally similar, though not identical, to
	those in the Web Browser SSO Profile defined in SAML Profiles		those in the Web Browser SSO Profile defined in SAML Profiles
	[OASIS.saml-profiles-2.0-os]. This specification is reusing, to the		[OASIS.saml-profiles-2.0-os]. This specification is reusing, to the
	extent reasonable, concepts and patterns from that well-established		extent reasonable, concepts and patterns from that well-established
	Profile.		Profile.
	This document defines how a SAML Assertion can be used to request an		This document defines how a SAML Assertion can be used to request an
	access token when a client wishes to utilize an existing trust		access token when a client wishes to utilize an existing trust
	skipping to change at page 4, line 33 ¶		skipping to change at page 4, line 33 ¶
	2. HTTP Parameter Bindings for Transporting Assertions		2. HTTP Parameter Bindings for Transporting Assertions
	The OAuth 2.0 Assertion Profile [I-D.ietf.oauth-assertions] defines		The OAuth 2.0 Assertion Profile [I-D.ietf.oauth-assertions] defines
	generic HTTP parameters for transporting assertions during		generic HTTP parameters for transporting assertions during
	interactions with a token endpoint. This section defines the values		interactions with a token endpoint. This section defines the values
	of those parameters for use with SAML 2.0 Bearer Assertions.		of those parameters for use with SAML 2.0 Bearer Assertions.
	2.1. Using SAML Assertions as Authorization Grants		2.1. Using SAML Assertions as Authorization Grants
	To use a SAML Bearer Assertion as an authorization grant, use the		To use a SAML Bearer Assertion as an authorization grant, use the
	following paramter values and encodings.		following parameter values and encodings.
	The value of "grant_type" parameter MUST be		The value of "grant_type" parameter MUST be
	"urn:ietf:params:oauth:grant-type:saml2-bearer"		"urn:ietf:params:oauth:grant-type:saml2-bearer"
	The value of the "assertion" parameter MUST contain a single SAML 2.0		The value of the "assertion" parameter MUST contain a single SAML 2.0
	Assertion. The SAML Assertion XML data MUST be encoded using		Assertion. The SAML Assertion XML data MUST be encoded using
	base64url, where the encoding adheres to the definition in Section 5		base64url, where the encoding adheres to the definition in Section 5
	of RFC4648 [RFC4648] and where the padding bits are set to zero. To		of RFC4648 [RFC4648] and where the padding bits are set to zero. To
	avoid the need for subsequent encoding steps (by "application/		avoid the need for subsequent encoding steps (by "application/
	x-www-form-urlencoded" [W3C.REC-html401-19991224], for example), the		x-www-form-urlencoded" [W3C.REC-html401-19991224], for example), the
	base64url encoded data SHOULD NOT be line wrapped and pad characters		base64url encoded data SHOULD NOT be line wrapped and pad characters
	("=") SHOULD NOT be included.		("=") SHOULD NOT be included.
	2.2. Using SAML Assertions for Client Authentication		2.2. Using SAML Assertions for Client Authentication
	To use a SAML Bearer Assertion for client authentication grant, use		To use a SAML Bearer Assertion for client authentication grant, use
	the following paramter values and encodings.		the following parameter values and encodings.
	The value of "client_assertion_type" parameter MUST be		The value of "client_assertion_type" parameter MUST be
	"urn:ietf:params:oauth:client-assertion-type:saml2-bearer"		"urn:ietf:params:oauth:client-assertion-type:saml2-bearer"
	The value of the "client_assertion" parameter MUST contain a single		The value of the "client_assertion" parameter MUST contain a single
	SAML 2.0 Assertion. The SAML Assertion XML data MUST be encoded		SAML 2.0 Assertion. The SAML Assertion XML data MUST be encoded
	using base64url, where the encoding adheres to the definition in		using base64url, where the encoding adheres to the definition in
	Section 5 of RFC4648 [RFC4648] and where the padding bits are set to		Section 5 of RFC4648 [RFC4648] and where the padding bits are set to
	zero. To avoid the need for subsequent encoding steps (by		zero. To avoid the need for subsequent encoding steps (by
	"application/x-www-form-urlencoded" [W3C.REC-html401-19991224], for		"application/x-www-form-urlencoded" [W3C.REC-html401-19991224], for
	skipping to change at page 11, line 19 ¶		skipping to change at page 11, line 19 ¶
	o Change controller: IETF		o Change controller: IETF
	o Description: [[this document]]		o Description: [[this document]]
	Appendix A. Contributors		Appendix A. Contributors
	The following people contributed wording and concepts to this		The following people contributed wording and concepts to this
	document: Paul Madsen, Patrick Harding, Peter Motykowski, Eran		document: Paul Madsen, Patrick Harding, Peter Motykowski, Eran
	Hammer-Lahav, Peter Saint-Andre, Ian Barnett, Eric Fazendin, Torsten		Hammer-Lahav, Peter Saint-Andre, Ian Barnett, Eric Fazendin, Torsten
	Lodderstedt, Susan Harper, Scott Tomilson, Scott Cantor, Michael		Lodderstedt, Susan Harper, Scott Tomilson, Scott Cantor, Michael
	Jones, Hannes Tschofenig and David Waite.		Jones, Hannes Tschofenig, David Waite and Mukesh Bhatnagar.
	Appendix B. Document History		Appendix B. Document History
	[[ to be removed by RFC editor before publication as an RFC ]]		[[ to be removed by RFC editor before publication as an RFC ]]
			draft-ietf-oauth-saml2-bearer-08
			o fix some typos
	draft-ietf-oauth-saml2-bearer-07		draft-ietf-oauth-saml2-bearer-07
	o update reference from draft-campbell-oauth-urn-sub-ns to		o update reference from draft-campbell-oauth-urn-sub-ns to
	draft-ietf-oauth-urn-sub-ns		draft-ietf-oauth-urn-sub-ns
	o Updated to reference draft-ietf-oauth-v2-20		o Updated to reference draft-ietf-oauth-v2-20
	draft-ietf-oauth-saml2-bearer-06		draft-ietf-oauth-saml2-bearer-06
	o Fix three typos NamseID->NameID and (2x) Namspace->Namespace		o Fix three typos NamseID->NameID and (2x) Namspace->Namespace
	skipping to change at page 12, line 17 ¶		skipping to change at page 12, line 19 ¶
	o Change title to be more generic (allowing for client authn too)		o Change title to be more generic (allowing for client authn too)
	o added client authentication to the abstract		o added client authentication to the abstract
	o register and use urn:ietf:params:oauth:grant-type:saml2-bearer for		o register and use urn:ietf:params:oauth:grant-type:saml2-bearer for
	grant type rather than http://oauth.net/grant_type/saml/2.0/bearer		grant type rather than http://oauth.net/grant_type/saml/2.0/bearer
	o register urn:ietf:params:oauth:client-assertion-type:saml2-bearer		o register urn:ietf:params:oauth:client-assertion-type:saml2-bearer
	o remove scope paramter as it is defined in		o remove scope parameter as it is defined in
	http://tools.ietf.org/html/draft-ietf-oauth-assertions		http://tools.ietf.org/html/draft-ietf-oauth-assertions
	o remove assertion param registration because it [should] be in		o remove assertion param registration because it [should] be in
	http://tools.ietf.org/html/draft-ietf-oauth-assertions		http://tools.ietf.org/html/draft-ietf-oauth-assertions
	o fix typo(s) and update/add references		o fix typo(s) and update/add references
	draft-ietf-oauth-saml2-bearer-04		draft-ietf-oauth-saml2-bearer-04
	o Changed the grant_type URI from		o Changed the grant_type URI from
End of changes. 7 change blocks.
	6 lines changed or deleted		10 lines changed or added
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