What Is Kerberos?
Created at MIT, Kerberos is designed to provide authentication for client/server applications using secret-key cryptography. Kerberos operates under similar principals as a certificate authority (CA) in that the Kerberos Key Distribution Center (KDC) is a trusted third party.
 | The KDC acts like a CA, and the KDC is a trusted third party. |
Kerberos can use up to 128-bit encryption keys.
 | For the certification purposes only, Kerberos can use either a 40-bit or 56-bit Data Encryption Standard (DES) key. |
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