A new Request for Comments is now available in online RFC libraries.
RFC 9470
Title: OAuth 2.0 Step Up Authentication
Challenge Protocol
Author: V. Bertocci,
B. Campbell
Status: Standards Track
Stream: IETF
Date: September 2023
Mailbox: [email protected],
[email protected]
Pages: 14
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-oauth-step-up-authn-challenge-17.txt
URL: https://www.rfc-editor.org/info/rfc9470
DOI: 10.17487/RFC9470
It is not uncommon for resource servers to require different
authentication strengths or recentness according to the
characteristics of a request. This document introduces a mechanism
that resource servers can use to signal to a client that the
authentication event associated with the access token of the current
request does not meet its authentication requirements and, further,
how to meet them. This document also codifies a mechanism for a
client to request that an authorization server achieve a specific
authentication strength or recentness when processing an
authorization request.
This document is a product of the Web Authorization Protocol Working Group of
the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
memo is unlimited.
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