The following errata report has been verified for RFC8773,
"TLS 1.3 Extension for Certificate-Based Authentication with an External 
Pre-Shared Key". 

--------------------------------------
You may review the report below and at:
https://www.rfc-editor.org/errata/eid7598

--------------------------------------
Status: Verified
Type: Editorial

Reported by: Russ Housley <hous...@vigilsec.com>
Date Reported: 2023-08-11
Verified by: RFC Editor  

Section: 5.1

Original Text
-------------
When the "psk_key_exchange_modes" extension is included in the
ServerHello message, servers MUST select the psk_dhe_ke mode
for the initial handshake.

Corrected Text
--------------
When the "psk_key_exchange_modes" extension is included in the
ClientHello message, servers MUST select the psk_dhe_ke mode
for the initial handshake.

Notes
-----
According to RFC 8446, the "psk_key_exchange_modes" extension only appears in 
the ClientHello message. Further, the slides presented on this topic at IETF 
101show the "psk_key_exchange_modes" extension in the ClientHello message and 
no other place.  It is pretty clear that this is an editorial error.


--------------------------------------
RFC8773 (draft-ietf-tls-tls13-cert-with-extern-psk-07)
--------------------------------------
Title               : TLS 1.3 Extension for Certificate-Based Authentication 
with an External Pre-Shared Key
Publication Date    : March 2020
Author(s)           : R. Housley
Category            : EXPERIMENTAL
Source              : Transport Layer Security
Stream              : IETF

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