There is an addition of round key before the start of the AES round algorithms.

Related MCQs

• On comparing AES with DES, which of the following functions from DES does not have an equivalent AES function?
• For the AES-128 algorithm there are __________ similar rounds and _________ round is different.
• How many step function do Round 1 and 2 each have in S-AES?
• How many round keys are generated in the AES algorithm?
• In the DES algorithm the round key is __________ bit and the Round Input is ____________bits.
• What is the expanded key size of AES-192?
• In AES the 4×4 bytes matrix key is transformed into a keys of size __________.
• What is the key size in the S-AES algorithm?
• In Playfair cipher, at first, a key table is produced. That key table is a 5 by 5 grid of alphabets which operates as the key to encrypt the plaintext.
• AES stands for ________________.