What is symmetric encryption?

exams HPE6-A78 V1 HPE6-A78 exam 0 Comments

What is symmetric encryption?
A . It simultaneously creates ciphertext and a same-size MAC.
B . It any form of encryption mat ensures that thee ciphertext Is the same length as the plaintext.
C . It uses the same key to encrypt plaintext as to decrypt ciphertext.
D . It uses a Key that is double the size of the message which it encrypts.

Answer: C