Computer Science for IGCSE & O level - Data Transmission (Section 15 - No. 19)
Which of the following is a characteristic of symmetric encryption?
Uses a public and private key pair.
Relatively slow compared to asymmetric encryption.
Uses a single key for both encryption and decryption.
Primarily used for digital signatures.
Giải thích
Symmetric encryption uses a single key for encryption and decryption.