Re: [TLS] More clarity on resumption and session hash

Martin Thomson <martin.thomson@gmail.com> Tue, 26 May 2015 05:03 UTC

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Date: Mon, 25 May 2015 22:03:05 -0700
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From: Martin Thomson <martin.thomson@gmail.com>
To: Eric Rescorla <ekr@rtfm.com>
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Subject: Re: [TLS] More clarity on resumption and session hash
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On 25 May 2015 at 10:35, Eric Rescorla <ekr@rtfm.com> wrote:
> The two main options appear to be:
>
>     1. Fall back to a full handshake.
>     2. Abort the connection
>
> The argument for the first appears to be interop. The argument for the
> second appears to be that it's likely there is an error or a mid-flight
> reconfiguration on the client (which seems not good). My mild preference
> is for abort but I think it's important in any case that the draft be
> clear.


I'd prefer the second two.  That is, unless someone can come up with a
legitimate scenario where the former is needed.