Re: [TLS] DSA should die

CodesInChaos <codesinchaos@gmail.com> Thu, 02 April 2015 07:39 UTC

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Date: Thu, 2 Apr 2015 09:39:32 +0200
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From: CodesInChaos <codesinchaos@gmail.com>
To: Nico Williams <nico@cryptonector.com>
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Subject: Re: [TLS] DSA should die
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Nico Williams nico@cryptonector.com wrote:
> Yes, we could patch in a-la-carte ciphersuite negotiation by having
> non-functional ciphersuites that wild-card all but the one kind of
> thing.  You offer those.  A matching functional ciphersuite gets
> selected.  Done.
>
> TLS_*_*_WITH_AES_GCM_*
> TLS_*_*_WITH_*_*_SHA384
> TLS_ECDHE_*_WITH_*_*_*
> ...

I think full a-la-carte is too complex. But I'm for negotiating the
handshake and symmetric crypto separately. They're already very
loosely coupled and most proposals that introduce/obsolete
ciphersuites are only interested in one of the two sides, with the
other being only an afterthought.