An exercise on cryptography

[Martin F Krafft]

Folks,

I am not sure if this is going to be on-topic here, but it's
a crypto list, and what I am doing is crypto.

I am teaching an intro class on internet security here at the Uni
Zurich. I would like my students (130 of them) to learn how to use
GnuPG or PGP, thereby advocating a little ;^>.

I am going to require them to generate a key, have it signed by at
least another member of the class, upload it to a keyserver, then
sign an email to me containing some answers to basic crypto
questions. They have a month to complete this, so it's more than
fair.

The only problem I have is how to prevent them from calling or
emailing each other to sign their keys quickly. Is there some way
you could conceive that I could require them to perform standard
keysigning protocol? I'll have them drink a beer with one another,
that's 50% of the selling argument, but it won't persuade all of
them.

What do you think? I am grateful for any input, off-list preferably.
I shall report back to the list with the synthesis (Reply-To set).

Thanks,

-- 
Martin F. Krafft                  Artificial Intelligence Laboratory
Ph.D. Student                     Department of Information Technology
Email: krafft at ifi.unizh.ch        University of Zurich
Tel: +41.(0)1.63-54323            Andreasstrasse 15, Office 2.20
http://www.ifi.unizh.ch/~krafft/  CH-8050 Zurich, Switzerland
 
Keyserver problems? http://keyserver.kjsl.com/~jharris/keyserver.html
Get my key here: http://madduck.net/me/gpg/publickey
 
http://www.vcnet.com/bms/
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