In the AES structure both encryption and decryption ciphers begin with an) __________ stage,followed by nine rounds that each include all four stages, followed by a tenth round of three stages.
A)Substitute bytes
B)AddRoundKey
C)MixColumns
D)ShiftRows

Question

Quizplus · Accepted Answer

The AES encryption and decryption processes both start with the AddRoundKey stage, which is crucial for the security of the cipher as it combines the data with the key.

In the AES Structure Both Encryption and Decryption Ciphers Begin