How AES Works
Keyed Permutations
"What is the mathematical term for a one-to-one correspondence?"
The answer is bijection
Resisting Bruteforce
"What is the name for the best single-key attack against AES?"
This attack only lower the key space slightly.
Structure of AES
Round Keys
Confusion through Substitution
Diffusion through Permutation
Bringing It All Together
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