1 What is the difference between the AES decryption algorithm and the equivalent inverse cipher?
2 What is triple encryption?
3 What is a meet-in-the-middle attack?
4 How many keys are used in triple encryption?
5 Why is the middle portion of 3DES a decryption rather than an encryption?
1 Briefly describe MixColumns.
2 Briefly describe AddRoundKey.
3 Briefly describe the key expansion algorithm.
4 What is the difference between SubBytes and SubWord?
5 What is the difference between ShiftRows and RotWord?