Outline for February 25/March 1, 2002 Reading: ß10.2, ß10.4.2-10.4.3, ß10.5.1-10.5.1.1, ß10.5.2, ß10.6 except ß10.6.2.2 1. Greetings and Felicitations 2. Puzzle of the day 3. Key Exchange a. Needham-Schroeder and Kerberos b. Public key; man-in-the-middle attacks 4. Cryptographic Key Infrastructure a. Certificates (X.509, PGP) b. Certificate, key revocation c. Key Escrow 5. Digital Signatures