Lecture 15: October 28, 2019

Reading: text, §11.3–11.4, 12.1, 12.3–12.4, 12.5.3, [5]

1. Greetings and felicitations!
   1. Sample midterm and study guide now on Canvas
2. Puzzle of the Day
3. Key generation
   1. Cryptographically random numbers
   2. Cryptographically pseudorandom numbers
   3. Strong mixing function
4. Cryptographic key infrastructure
   1. Certificates (X.509, PGP)
   2. Certificate, key revocation
5. Cipher problems
   1. Precomputation
   2. Misordered blocks
   3. Statistical regularities
   4. Type flaw attacks

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

ECS 153, Computer Security Version of October 29, 2019 at 9:13PM

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