AES: How to Design Secure Encryption (Spanning Tree)

cross-posted from: https://lemm.ee/post/5467810

In 1997, a contest began to develop a new encryption algorithm to become the Advanced Encryption Standard. After years of debate, one algorithm was chosen as the AES. But how does AES work? And what makes for a secure encryption algorithm?

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* 0:00 The Contest

* 1:02 Encryption

* 3:57 Confusion and Diffusion

* 5:44 Block Cipher

* 6:55 KeyExpansion

* 7:34 AddRoundKey

* 8:14 Substitution Cipher

* 8:55 SubBytes

* 11:30 MixColumns

* 12:53 ShiftRows

* 13:21 The Algorithm

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* https://www.youtube.com/watch?v=C4ATDMIz5wc

* https://piped.video/watch?v=C4ATDMIz5wc

Aug 22, 2023