On 23 December 2015 at 11:09, Brian Smith <br...@briansmith.org> wrote:
> If an implementation only implements ECDHE cipher suites then implementing
> the session hash extension is not necessary, according to RFC 7627. I

It doesn't really say that as far as I can see, though I guess that
you could infer that from this statement:

   Handshakes using Ephemeral
   Elliptic Curve Diffie-Hellman (ECDHE) ciphersuites are also
   vulnerable if they allow arbitrary explicit curves or use curves with
   small subgroups.

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