Advanced Encryption Standard - Dr Mike Pound explains this ubiquitous encryption technique.

n.b in the matrix multiplication animation, the matrices are in the incorrect order, but hopefully the animation still helps to illustrate the general idea.

One Encryption Standard to Rule Them All! :    • One Encryption Standard to Rule Them ...  
Almost All Web Encryption Works Like This (SP Networks) :    • Almost All Web Encryption Works Like ...  
Xor & The Half Adder :    • XOR & the Half Adder - Computerphile  
Reed Solomon Encoding :    • Reed Solomon Encoding - Computerphile  

EXTRA BITS:    • EXTRA BITS: AES Explained- Computerphile  

  / computerphile  
  / computer_phile  

This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: https://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com