Tygar:  Demos

Movies

(All movies are in Quicktime.  Size is given in italicized brackets]

1. Postal movies:  It is easy to forge postal indicia [391K] but cryptographic indicia protect against forgery [706K] (by Bennet Yee)
2. A replay attack [1137K]:  Can Alice and Bob authenticate?  Yes, but watch out for replay attacks (by anonymous 15-612 student)
3. Kerberos movies:  Getting an initial ticket [467K] and a service ticket [526K] (by 1993 INI students)
4. Many more movies coming soon ....

Demos

1. The universal page -- matches zillions of search engine queries!  (coming soon)
2. Many more demos coming soon ....