On Wednesday, July 22, 2015 10:30:24 am Kyle Rose wrote:
> How about removing the RSA/ECDSA from the cipher suite, and making the
> SigAlgs extension mandatory for connections requiring authentication?
> That halves the number of cipher suites and eliminates an unnecessary
> redundancy, while keeping the rest of the cipher suite negotiation
> logic intact.

This is already a part of the current a la carte proposal that's been under 
discussion.

recent summary of changes:
https://www.ietf.org/mail-archive/web/tls/current/msg17156.html
current WIP text:
https://github.com/davegarrett/tls13-spec/blob/alacarte/draft-ietf-tls-tls13.md#cipher-suites
diff from PR #201:
https://github.com/davegarrett/tls13-spec/compare/alertsandcerts...davegarrett:alacarte

Both the supported groups and signature algorithms extensions are mandatory in 
this proposal, and they are the sole methods to select key exchange and 
certificates, with the ECDHE_ECDSA prefix being essentially frozen for 
certificate authenticated cipher suites.


Dave

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