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Re: key length

Josip Rodin <joy@cibalia.gkvk.hr> writes:

> On Mon, Sep 13, 1999 at 05:07:15PM +0200, J.H.M. Dassen Ray" wrote:
> > > I just noticed that both my RSA as well as my DSA key are 1024 bits. Is
> > > this okay, or do I need a longer one?
> > 
> > A 512-bits RSA key has recently been cracked by fairly brute force, but
> > AFAIK the approach taken still is exponential in the number of bits.
> Wasn't that one of the distributed-net contests? The one that lasted for
> some >20 hours?

No, that was RC5-56.

See http://www.cwi.nl/~kik/persb-UK.html for some info on the recent
512-bit number factorization.

	- Ruud de Rooij.
ruud de rooij | ruud@ruud.org | http://ruud.org

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