[145803] in cryptography@c2.net mail archive
Re: RSA question
daemon@ATHENA.MIT.EDU (Sampo Syreeni)
Fri Sep 3 18:32:04 2010
Date: Fri, 3 Sep 2010 19:16:00 +0300 (EEST)
From: Sampo Syreeni <decoy@iki.fi>
To: travis+ml-cryptography@subspacefield.org
cc: Bill Stewart <bill.stewart@pobox.com>,
Justin Ferguson <jnferguson@gmail.com>, cryptography@metzdowd.com
In-Reply-To: <20100902154906.GB1601@subspacefield.org>
X-SA-Exim-Mail-From: decoy@iki.fi
On 2010-09-02, travis+ml-cryptography@subspacefield.org wrote:
> I hear that NIST Key Mgmt guideline (SP 800-57) suggests that the RSA
> key size equivalent to a 256 bit symmetric key is roughly 15360 bits.
> I haven't actually checked this reference, so I don't know how they
> got such a big number; caveat emptor.
I would imagine it'd be the result of fitting some reasonable
exponential to both keylengths and extrapolating, which then of course
blows up...for once *literally* exponentially. ;)
--
Sampo Syreeni, aka decoy - decoy@iki.fi, http://decoy.iki.fi/front
+358-50-5756111, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2
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