[cryptography] GCD of PGP keys

Ben Laurie ben at links.org
Fri Sep 9 10:24:07 EDT 2011

Just joined the list, so can't reply to the relevant message, but just
to confirm, it was me that did the pairwise GCDs of the PGP public
keyrings, assisted by Matthias Bauer.

I was talking about it at PET 2004 - and in fact we may have written
run the s/w during PET. It took about 24 hours for the whole run on my

And Ian is correct that the common factor was 9.

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