Re: [TLS] 0-RTT encrypted data limits

Ilari Liusvaara <ilariliusvaara@welho.com> Thu, 01 September 2016 16:20 UTC

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Date: Thu, 1 Sep 2016 19:20:41 +0300
From: Ilari Liusvaara <ilariliusvaara@welho.com>
To: Eric Rescorla <ekr@rtfm.com>
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Subject: Re: [TLS] 0-RTT encrypted data limits
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On Thu, Sep 01, 2016 at 09:01:27AM -0700, Eric Rescorla wrote:
> >
> 
> ALPN is also in EE. My general principle was that only things that were
> required
> to decrypt the handshake messages should be in SH. Arguably, btw, this means
> that Server.signature_algorithms should be in EE, but I chickened out.

What the server.signature_algorithms is about BTW? To me, it looks like
a footgun if used outside PSK mode (anonymous connections?) and not
expressive enough (what are the semantics of authentication?) if used
with PSK mode.



-Ilari