Re: FYI: Flush+Reload attack on OpenSSL's ECDSA

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On Sat, 1 Mar 2014, mancha wrote:

> Here's a recently-published paper that describes a flush & reload
> attack on OpenSSL's ECDSA implementation:
> 
> http://eprint.iacr.org/2014/140.pdf
> 
> According to the authors, snooping a single signing round is
> sufficient to recover the secret key.

It sounds like an interesting technique, though I note that they
attacked signing using one of the GF(2^m) curves rather than the
GP(p) curves that almost everything uses. Why?

-d
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