Symmetric Key Cryptography
Channel: Andrew Misseldine
Date: 2020-10-23

In this video, we introduce the notion of symmetric-key cryptography and explain the importance of encoding.

This is lecture 20 (part 1/3) of the lecture series offered by Dr. Andrew Misseldine for the course Math 4220 - Abstract Algebra I at Southern Utah University. A transcript of this lecture can be found at Dr. Misseldine's website or through his Google Drive at: 
https://drive.google.com/file/d/1fr-fgaxxLYCnf_jr5o0dXLrObm6eLQca/view

This lecture is based upon Section 7.1 of Abstract Algebra: Theory and Applications (http://abstract.ups.edu/) by Tom Judson. Please post any questions you might have below in the comment field and Dr. Misseldine (or other commenters) can answer them for you. Please also subscribe for further updates.

The code from this video can be found at: https://github.com/emisseldine/Math4220/blob/main/Lecture20_Symmetric_Key_Cryptography. MAGMA can be accessed at: http://magma.maths.usyd.edu.au/calc/.