Computer Science for IGCSE & O level - Data Transmission (Section 9 - No. 42)

What is a characteristic of asymmetric key encryption?

Uses the same key for encryption and decryption.

Uses two mathematically linked keys (public and private).

Is generally faster than symmetric encryption.

Is mainly used for data compression.

Asymmetric encryption uses a pair of keys, one for encryption and the other for decryption.