Calculating the Private Key

Mike Cardwell gnupg at
Wed Jul 2 10:27:10 CEST 2014

* on the Wed, Jul 02, 2014 at 08:37:28AM +0200, Micha Rosenbaum wrote:

>> Assuming you mean "RSA as used in GnuPG", it is not feasible with the
>> kinds of computers we know how to build.  It will take science-fiction
>> level breakthroughs in either engineering, mathematics, or both, to do this.
>> The integer factorization problem (the math RSA is built upon) is
>> conjectured to be infeasible to break.  There is no formal proof of it,
>> though.
> Thanks for your answer. Then I am convinced that the feature offered by
> is useful. Maybe we'll have to look at this topic again in
> 10 years or so.

FWIW, if you run your own mail system, this is a fairly trivial feature to
set up. I've been doing it myself for about three and a half years. Here's
how I do it, including links to the software:

Mike Cardwell
OpenPGP Key    35BC AF1D 3AA2 1F84 3DC3   B0CF 70A5 F512 0018 461F
XMPP OTR Key   8924 B06A 7917 AAF3 DBB1   BF1B 295C 3C78 3EF1 46B4
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 598 bytes
Desc: Digital signature
URL: </pipermail/attachments/20140702/a923c680/attachment.sig>

More information about the Gnupg-users mailing list