Which encryption method uses a single key to both encrypt and decrypt data?

Which encryption method uses a single key to both encrypt and decrypt data?
A . SSL/TLS
B . Symmetric encryption
C . Hashing
D . Asymmetric encryption

View Answer

Answer: B

Explanation:

Symmetric encryption uses a single key to both encrypt and decrypt data. This means that the same key is used by both the sender and the receiver to secure the communication. It is faster and less computationally intensive than asymmetric encryption.