Secure Communication in a Virtual Enterprise – Digital Signature, VPN and Firewall-Systems

Norbert Pohlmann  (Institut für Internet-Sicherheit):,
“Secure Communication in a Virtual Enterprise – Digital Signature, VPN and Firewall-Systems”.
In Proceedings of the Concurrent Multiplinary Enginneering Conference”,
Eds.: S. Rill, M. Graf-Jahnke,
Hochschule Bremen,
1998