Re: [therightkey] common factors

Dunno if anyone else thinks this might be interesting
but I do:-)

So I sketched out an initial idea for how it might fit
in here. [1]

Comments welcome.

S.

[1] http://www.ietf.org/id/draft-farrell-kc-00.txt

On 02/15/2012 07:17 PM, Stephen Farrell wrote:
>
> Hiya,
>
> I guess the recent publications about common factors [1,2]
> are something else that this group might want to consider.
>
> I wonder if an rsa modulus checker protocol might help or
> something. Not sure if that's something that could be run
> quickly enough though, other than for the straight
> duplicates or dumbass things with small factors you should
> spot yourself. Anyone know?
>
> Or maybe you could register your public key and get a
> nonce, then come back periodically to see if any problems
> have been detected for your key.
>
> And yes, better prngs are needed, but there'll probably
> always be bad ones out there.
>
> S.
>
> [1] http://eprint.iacr.org/2012/064
> [2]
> http://it.slashdot.org/story/12/02/15/1540212/factorable-keys-twice-as-many-but-half-as-bad
>
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