[145672] in cryptography@c2.net mail archive
Re: 2048-bit RSA keys
daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Mon Aug 16 16:55:49 2010
Date: Mon, 16 Aug 2010 16:54:59 -0400
From: "Perry E. Metzger" <perry@piermont.com>
To: Paul Hoffman <paul.hoffman@vpnc.org>
Cc: Arash Partow <arash@partow.net>, cryptography@metzdowd.com
In-Reply-To: <p06240818c88f44961958@[10.20.30.158]>
On Mon, 16 Aug 2010 12:42:41 -0700 Paul Hoffman
<paul.hoffman@vpnc.org> wrote:
> At 11:35 AM +1000 8/16/10, Arash Partow wrote:
> >Just out of curiosity, assuming the optimal use of today's best of
> >breed factoring algorithms - will there be enough energy in our
> >solar system to factorize a 2048-bit RSA integer?
>
> We have no idea. The methods used to factor number continue to
> slowly get better,[...]
He asked about "today's best of breed algorithms", not future ones. In
that context, and assuming today's most energy efficient processors
rather than theoretical future processors, the question has a concrete
answer.
Perry
--
Perry E. Metzger perry@piermont.com
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