Separate passphrase for subkeys (was: New GnuPG snapshot)

David Shaw dshaw@jabberwocky.com
Mon Sep 10 14:15:02 2001


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On Mon, Sep 10, 2001 at 10:30:50AM +0200, disastry@saiknes.lv.NO.SPaM.NET w=
rote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: RIPEMD160
>=20
> David Shaw wrote:
> > Someone pointed out to me once that a pleasant side effect of
> > separated keys was that in some places, the Big Scary Gov't could
> > force you to reveal an encryption key, but not an authentication key.
> > If you used the same key for both, then you are out of luck.
> >=20
> > (IANAL, YMMV, and I don't recall where "some places" are.)
> > David
>=20
> so you have to have separate passphrase for signing key and
> encryption subkey.
Not necessarily. I'm talking about a case where the gov't can legally ask for your key. Don't just give them the passphrase: do a --export-secret-subkeys onto a floppy, delete any subkeys they didn't ask for, change the passphrase and hand that over.
> AFAIK GnuPG can't change subkey's passphrase separately from key's
> passphrase (at least not in east way). this would be a very useful featur=
e...
> (yes I know about export-secret-subkeys option, but this
> would be a very useful feature anyway)
Yes it would be pretty neat. David --=20 David Shaw | dshaw@jabberwocky.com | WWW http://www.jabberwocky.com/ +--------------------------------------------------------------------------= -+ "There are two major products that come out of Berkeley: LSD and UNIX. We don't believe this to be a coincidence." - Jeremy S. Anderson --hQiwHBbRI9kgIhsi Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iQEVAwUBO5yuR4ccwqs8s7QVAQGecQf/SZIZbuvPoNiUqrdUW4LopP5V4k6KT8wm zAZDdh/gjw7u0bLobjp7ErRfz+TrxPUPiebdMrJCUErau47/nOgN0JClhCBE8gj4 akNr8mHXy6mc6qY+YQS0KN/eG6xuf9ImqYLOXRx90AQdXpgPtu+WRhH9/7kMlzr2 7rISbvVXqqIq7EAnrJKfaNL8qQnUQSLwG90NdfN8XPMmp0DiWzbTlwlfRDSUmrmG B9fRFMOqWg5ya2nw+feGCSlbaviOIW0ZXeqgZvBB2iuKm31HEXGzUi7tXV0CVyYJ Kep68bKpJVm5gFPYrWvXE3ZVQtcilAmXtD6/rX4YzrZoZ+rnSgAwSA== =dVY1 -----END PGP SIGNATURE----- --hQiwHBbRI9kgIhsi--