These systems use the same key to encrypt and to decrypt.
A) Asymmetric encryption
B) Hashing encryption
C) Public key encryption
D) Symmetric encryption

Question

Quizplus · Accepted Answer

Symmetric encryption uses the same key to both encrypt and decrypt the data. This is different from asymmetric encryption and public key encryption which use different keys for encryption and decryption, and hashing encryption which only creates a fixed-size output based on the input data.

These Systems Use the Same Key to Encrypt and to Decrypt