This video goes over a couple of exam problems about encryption, to help you prepare for the AP Computer Science Principles exam.
Encryption is covered less in 2023 than it was in the past, but there is still a bunch of stuff to know. Topics in encryption mostly deal with symmetric encryption, asymmetric encryption (notably public key encryption), and certificate authorities.
Chapters:
0:00 Intro
0:10 Public Key Encryption
2:44 Public Key Encryption 2
4:01 Symmetric Encryption
5:59 Symmetric Encryption
6:37 Certificate Authorities
Intro/Outro Music: Friendly Neighbors