Outline for April 27, 2000

  1. Authentication protocols?
    1. classical: need trusted third party for both secrecy, authentication
    2. public key: need to verify to whom public key belongs
  2. Challenge-response
    1. UNIX passwords
    2. Kerberos
    3. S/Key
    4. Diffie-Hellman and Sun's Secure RPC
  3. Public key
    1. Standard: encipher with private key, decipher with public key
    2. Binding public keys to identity: certificates
    3. X.509, PGP web of trust
    4. PEM hierarchy of certification

Send email to bishop@cs.ucdavis.edu.

Department of Computer Science
University of California at Davis
Davis, CA 95616-8562

Page last modified on 4/29/2000