On Mon, Mar 31, 2014 at 12:45 PM, Stephen Farrell
<stephen.farr...@cs.tcd.ie> wrote:
> The paper [2] also has more about exploiting dual-ec if you
> know a backdoor that I've not yet read really.

> [2] http://dualec.org/

That paper talks about servers.  What is the prevalence of Dual_EC on
the client-side of TLS?

Assuming most TLS usage involves RSA key transport -a fair assumption
given the well-noted non-use of PFS until recent times- the client's
RNG is more critical than the server's.

I realize that client-side prevalence is harder to measure.  Still,
since Dual_EC was in the Java and SChannel stacks, it seems reasonable
to conclude that client-side Dual_EC penetration was quite high at its
peak, but is that right?

Nico
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