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Kerberos

Kerberos. Shawn Bayern shawn.bayern@yale.edu. Multi-user Macintosh Diana Sherman (diana.sherman@yale.edu) Nathan Willard (nathan.willard@yale.edu). What does Kerberos do? Provide secure communication over an insecure network Authentication Session Encryption. How does it do it?

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Kerberos

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  1. Kerberos Shawn Bayern shawn.bayern@yale.edu Multi-user Macintosh Diana Sherman (diana.sherman@yale.edu) Nathan Willard (nathan.willard@yale.edu)

  2. What does Kerberos do? Provide secure communication over an insecure network Authentication Session Encryption How does it do it? Private-key cryptography (DES in K4) Database of user credentials Trusted authentication service Kerberos Basics

  3. How it works KDC (TGS) Client Server

  4. For more information… • Kerberos site at MIT • General information, downloads, etc. • http://web.mit.edu/kerberos • Kerberos tutorial • “Designing an Authentication System: a Dialogue in Four Scenes” • http://web.mit.edu/kerberos/www/dialogue.html • Applied Cryptography • Cryptography text by Bruce Schneier

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