Security in Computer Networks

8.5.1 The Key Distribution Center

Home | Introduction | 8.1 What Is Network Security? | 8.2 Principles of Cryptography | 8.3 Authentication | 8.4 Integrity | 8.5 Key Distribution and Certification | 8.6 Access Control: Firewalls | 8.7 Attacks and Countermeasures | 8.8 Security in Many Layers: Case Studies

The KDC is a server that shares a unique secret symmetric key with each registered user.  This key might be manually installed at the server when a user first registers.  The KDC knows the secret key of each user, and each user can communicate securely with the KDC using this key. 

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