Using the two validated certificates, both parties execute a Diffie-Hellman key exchange (or ECDHE) to derive a unique, ephemeral session key. This key encrypts all subsequent traffic for that session.

Central hubs for academic materials, faculty notices, and institutional data.

The KEC Internet Authentication system effectively manages campus internet access through a controlled captive portal and RADIUS backend. While it ensures security and fair usage, occasional usability issues arise. Understanding its operation helps both users (to resolve login problems) and administrators (to enhance the system).