Within Step 2 of Advanced Encryption Standard (AES), Multiple Iterations

question 38

Multiple Choice

Within Step 2 of Advanced Encryption Standard (AES) , multiple iterations (called rounds) are performed depending upon the key size: 128-bit key performs 9 rounds, a 192-bit key performs 11 rounds, and a 256-bit key uses ____ rounds.

• A) 13
• B) 15
• C) 17
• D) 19