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ECS 153, Spring 2021; Lecture #17; May 5, 2021

ECS 153 Spring 2021. Computer Security. This covers symmetric key cryptography. The video begins at 7:00 from the beginning.

From  Matt Bishop on May 6th, 2021 0 likes 48 plays 0  

ECS 120 2a:4 small examples

errata: At 2:08, I incorrectly identified the set decided by the regex Sigma^* 1 Sigma^*. I said it would be "very similar" to above, but it has an important difference. Assuming Sigma…

From  David Doty on March 20th, 2021 0 likes 120 plays 0  

ECS 120 2a:1 regex introduction

errata: At 5:56, I say "or any string that starts with a 1", but I should have said "or any string that ends with a 1."

From  David Doty on March 20th, 2021 0 likes 133 plays 0