Computer Science for IGCSE & O level - Data Transmission (Section 9 - No. 41)
Which type of encryption uses a key to lock the data, while using another key to unlock it?
Symmetric
Asymmetric
Hashing
None of the above
Giải thích
Asymmetric encryption employs a pair of keys, a public key to lock (encrypt) the data, and a corresponding private key to unlock (decrypt) the data.