DES has a key space of what?

DES has a key space of what?
A . 2^128
B. 2^192
C. 2^64
D. 2^56

View Answer

Answer: D

Explanation:

2^56

https://en.wikipedia.org/wiki/Data_Encryption_Standard

The Data Encryption Standard (DES) is a symmetric-key algorithm for the encryption of

digital data. Although its short key length of 56 bits makes it too insecure for applications, it has been highly influential in the advancement of cryptography.