discussion on increasing amount of gpg signatures...

[Douglas Elznic]

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On Sat, 2001-10-13 at 14:55, Florian Weimer wrote:
> Evan Prodromou <evan@prodromou.san-francisco.ca.us> writes:
>=20
> >>>>>> "MA" =3D=3D Matt Armstrong <matt@lickey.com> writes:
> >
> >     MA> Verifying that the key holder has control of the key's e-mail
> >     MA> address isn't part of many key signing party verification
> >     MA> procedures, especially less formal ones.
> >
> > This is extremely true. One way to ameliorate this is to use a
> > challenge-response pair for each e-mail address on the key.
>=20
> IIRC, the most obvious challenge-response protocol (and the most
> sensible one) for certifying keys has been patented, and I don't know
> if the extension to cover (multiple) email addresses is enough to
> bypass this patent.  (Just in case if you want to do this more
> regularly.)
>

What is the patented challenge response protocol?


--=20
+------------------+---------------------------------------------------+
|  Douglas Elznic  |        GPG Key: <dfe@anize.org> 0x13300731        |
+------------------+---------------------------------------------------+
|  Thinker-@-Large | Pub key can be obtained from http://pgp.dtype.org |
|   dfe@anize.org  | Fingerprint:                                      |
| dfelznic@syr.edu | EF9C 7E3C 0327 EAAF 1E20 5299 0805 7531 1330 0731 |
| http://anize.org | All emails should be signed by the above key.     |
+----------------------------------------------------------------------+
| They that can give up essential liberty to obtain a little temporary |
| safety deserve neither liberty nor safety... Benjamin Franklin 1759  |
+----------------------------------------------------------------------+

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