Multiple Choice
The sub key length at each round of DES is
A) 32
B) 56
C) 48
D) 64
Correct Answer:

Verified
Correct Answer:
Verified
Q10: Which one is the strong attack mechanism?<br>A)chosen
Q11: All groups satisfy properties<br>A)g-i to g-v<br>B)g-i to
Q12: . Rail Fence Technique is an example
Q13: Public key encryption is advantageous over Symmetric
Q14: On Encrypting "thepepsiisintherefrigerator" using Vignere Cipher System
Q16: Which one of the following is not
Q17: Interception is an attack on<br>A)availability<br>B)confidentiality<br>C)integrity<br>D)authenticity
Q18: Like DES, AES also uses Feistel Structure.<br>A)true<br>B)false<br>C)cannot
Q19: Biometric authentication works on the basis of<br>A)human
Q20: GCD(a,b) = GCD(b,a mod b)<br>A)true<br>B)false<br>C)cannot be determined<br>D)none