cross words

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Across
  1. 3. AES step that shifts rows of the state matrix
  2. 6. Substitution box used in DES for nonlinear transformation
  3. 7. Original name of the AES algorithm
  4. 8. AES step that mixes data within columns
  5. 9. Permutation box used in DES rounds
Down
  1. 1. First rearrangement of data bits in DES before rounds
  2. 2. DES structure that divides data into left and right halves
  3. 3. AES step that performs byte substitution
  4. 4. Smaller key generated from the main DES key
  5. 5. DES function that expands data bits in each round
  6. 7. Number of processing stages in DES encryption