[TLS] Re: RFC 9973 on TLS 1.3 Extension for Using Certific ates with an External Pre-Shared Key

Congrats to all that participated in the development of this RFC!

Cheers,
spt

> On Jul 15, 2026, at 19:45, [email protected] wrote:
> 
> A new Request for Comments is now available in online RFC libraries.
> 
>        RFC 9973
> 
>        Title:      TLS 1.3 Extension for Using Certificates
>                    with an External Pre-Shared Key
>        Author:     R. Housley
>        Status:     Proposed Standard
>        Stream:     IETF
>        Date:       July 2026
>        Mailbox:    [email protected]
>        Pages:      13
>        Obsoletes:  RFC 8773
> 
> 
>        I-D Tag:    draft-ietf-tls-8773bis-13
> 
>        URL:        https://www.rfc-editor.org/info/rfc9973
> 
>        DOI:        10.17487/RFC9973
> 
> This document specifies a TLS 1.3 extension that allows TLS clients and servers to authenticate with certificates and provide confidentiality based on encryption with a symmetric key from the usual key agreement algorithm and an external pre-shared key (PSK). This Standards Track RFC obsoletes RFC 8773, which was an Experimental RFC.
> 
> This document is a product of the Transport Layer Security Working Group of the IETF.
> 
> STANDARDS TRACK: This document specifies an Internet Standards Track
> protocol for the Internet community, and requests discussion and
> suggestions for improvements. Distribution of this memo is unlimited.
> 
> This announcement is sent to the IETF-Announce and rfc-dist lists.
> To subscribe or unsubscribe, see
>  https://www.ietf.org/mailman/listinfo/ietf-announce
>  https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist
> 
> For searching the RFC series, see https://www.rfc-editor.org/search/
> For downloading RFCs, see https://www.rfc-editor.org/series/rfc-download/
> 
> Requests for special distribution should be addressed to either the
> author of the RFC in question, or to [email protected].  Unless
> specifically noted otherwise on the RFC itself, all RFCs are for
> unlimited distribution.
> 
> 
> The RFC Editor Team
> 
> _______________________________________________
> TLS mailing list -- [email protected]
> To unsubscribe send an email to [email protected]

_______________________________________________
TLS mailing list -- [email protected]
To unsubscribe send an email to [email protected]