On Wed, Nov 29, 2023 at 10:49:42AM -0500, Russ Housley wrote:
> People are implementing RFC 8773, so I would like to advance this to
> the standards track. In addition, this fixes the only errata that was
> posted against RFC 8773.
>
I am somewhat confused by an apparent conflict between:
https://datatracker.ietf.org/doc/html/draft-ietf-tls-8773bis-00#section-3.2
which speaks of external PSK in the context of resumption, versus:
https://datatracker.ietf.org/doc/html/draft-ietf-tls-8773bis-00#section-5.1
The "pre_shared_key" extension is defined in Section 4.2.11 of
[RFC8446]. The syntax is repeated below for convenience. All of the
listed PSKs MUST be external PSKs. If a resumption PSK is listed
along with the "tls_cert_with_extern_psk" extension, the server MUST
abort the handshake with an "illegal_parameter" alert.
Are external PSKs applicable with resumption, or not???
--
Viktor.
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