All the following statements about symmetric key cryptography are True except:
A) in symmetric key cryptography, both the sender and the receiver use the same key to encrypt and decrypt a message.
B) the Data Encryption Standard is a symmetric key encryption system.
C) symmetric key cryptography is computationally slower.
D) symmetric key cryptography is a key element in digital envelopes.

Question

Quizplus · Accepted Answer

Symmetric key cryptography is actually faster and more efficient than asymmetric key cryptography, which involves using two different keys for encryption and decryption.

All the Following Statements About Symmetric Key Cryptography Are True