Are you also a Soviet Spy
juan.g71 at gmail.com
Sun Jun 4 23:54:38 PDT 2017
On Mon, 5 Jun 2017 16:18:55 +1000
"James A. Donald" <jamesd at echeque.com> wrote:
> They are "potential" in that person A does not know that person B is
> actual fellow member of the ingroup.
so to make this a bit more clear, person A is a 'newbie' and
person B is a grand wizard...
> Thus, for person B, person B is an actual member of the ingroup, and
> person A is a potential member
> but for person A, person B is a
> potential member of the ingroup and person A is a potential member.
> The problem is that we want person A to be able to find out that
> person B is a member of the ingroup, without person C finding out
> that person B is a member of the ingroup.
that's just a matter of A and B using a 'secure' channel.
Apart from that, I'm not seeing anything novel about the
problem or the solution. And of course the other age old problem
is that A, or B, or both may indeed be spies, so their knowing
a 'secret' handshake wouldn't necessarily prove that they are
bona fide actors instead of spies.
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