How many step function do Round 1 and 2 each have in S-AES?
(a) 4 and 3
(b) Both 4
(c) 1 and 4
(d) 3 and 4
I have been asked this question by my school principal while I was bunking the class.
My doubt stems from The AES Algorthm in portion Advanced Encryption Algorithm and Block Cipher Operation of Cryptograph & Network Security