Computer Cryptography MCQ Question with Answer

Question No : 1
In the AES-128 algorithm there are mainly __________ similar rounds and _________ round is different from other round.

Question No : 2
Which of the following modes of operation in DES is used for operating?

Question No : 3
Using Rivest, Shamir, Adleman cryptosystem with p=7 and q=9. Encrypt M=24 to find ciphertext. The Ciphertext is:

Question No : 4
International Data Encryption Algorithm (IDEA) was developed by

Question No : 5
When do we compare the AES with DES, which of the following functions from DES does not have an equivalent AES function in cryptography?

Question No : 6
Data encryption standard is a block cipher and encrypts data in blocks of size of _____ each.

Question No : 7
The process of decryption of an AES ciphertext is similar to the encryption process in the ______.