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
Aug 22, 2023
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