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On this page
  • Keyed Permutations
  • Resisting Bruteforce
  • Structure of AES
  • Round Keys
  • Confusion through Substitution
  • Diffusion through Permutation
  • Bringing It All Together
  1. Cryptology
  2. CryptoHack
  3. Course: Symmetric Cryptography

How AES Works

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Last updated 2 years ago

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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