All the following statements about symmetric key encryption are true except:
A)in symmetric key encryption, 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 encryption is computationally slower.
D)symmetric key encryption is a key element in digital envelopes.

Question

Quizplus · Accepted Answer

Symmetric key encryption is generally considered to be faster than asymmetric key encryption (which uses different keys for encryption and decryption).

All the Following Statements About Symmetric Key Encryption Are True