Computer Science for IGCSE & O level - Data Transmission (Section 12 - No. 17)
In symmetric encryption, what is used for both encryption and decryption?
Two different keys
A public key and a private key
A single, shared secret key
The sender's public key and the receiver's public key
ব্যাখ্যা
Symmetric encryption uses the same key for both encryption and decryption.