Computer Science for IGCSE & O level - Data Transmission (Section 8 - No. 4)
Which of the following is true regarding the security of the public key in asymmetric encryption?
It must be kept secret.
It can be shared with anyone.
It is used only for decryption.
It is used only for encryption and must be kept secret.
Explication
The public key is meant to be shared with anyone who needs to send encrypted messages.