Virtual Labs

What is the block size of data used by DES for encryption?

a: 32 bits Explanation

Explanation

b: 48 bits Explanation

Explanation

c: 64 bits Explanation

Explanation

d: 128 bits Explanation

Explanation

What is the purpose of the initial permutation in the DES encryption process?

a: To create subkeys for the encryption rounds Explanation

Explanation

b: To permute the plaintext before the round functions Explanation

Explanation

c: To expand the block size Explanation

Explanation

d: To encrypt the data Explanation

Explanation

Experiment 2 - DES Encryption