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Re: [Cryptography] [cryptography] RSA equivalent key length/strength

daemon@ATHENA.MIT.EDU (=?ISO-8859-1?Q?Joachim_Str=F6mberg)
Thu Sep 19 13:04:27 2013

X-Original-To: cryptography@metzdowd.com
Date: Thu, 19 Sep 2013 09:06:26 +0200
From: =?ISO-8859-1?Q?Joachim_Str=F6mbergson?= <Joachim@Strombergson.com>
To: cryptography@metzdowd.com
In-Reply-To: <523A19BF.2040004@cypherpunks.to>
Reply-To: Joachim@Strombergson.com
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com

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Aloha!

Lucky Green wrote:
> Moti Young and others wrote a book back in the 90's (or perhaps)
> 80's, that detailed the strength of various RSA key lengths over
> time. I am too lazy to look up the reference or locate the book on my
> bookshelf. Moti: help me out here? :-)

Can't help out with that. But I think that the ECRYPY Yearly Reports on
keylengths and algorithms are a great source for these kinds of
questions. The latest (from 2012) can be found here:

http://www.ecrypt.eu.org/documents/D.SPA.20.pdf

Unfortunately ECRYPY II has come to an end and I'm not certain the
report will be updated anymore. Would be a loss since having updated
estimates on keys and what algorithms to use is really helpful (IMHO).

- -- =

Med v=E4nlig h=E4lsning, Yours

Joachim Str=F6mbergson - Alltid i harmonisk sv=E4ngning.
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