The DES Algorithm Cipher System consists of ____________rounds (iterations) each with a round key.

Related MCQs

• In the DES algorithm the round key is __________ bit and the Round Input is ____________bits.
• For the AES-128 algorithm there are __________ similar rounds and _________ round is different.
• In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ____________.
• 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.
• On comparing AES with DES, which of the following functions from DES does not have an equivalent AES function?
• There is an addition of round key before the start of the AES round algorithms.
• The DES algorithm has a key length of ______.
• How many computation rounds does the simplified AES consists of?
• For p = 11 and q = 17 and choose e=7. Apply RSA algorithm where Cipher message=11 and thus find the plain text.
• For p = 11 and q = 19 and choose e=17. Apply RSA algorithm where message=5 and find the cipher text.