Computer Science for IGCSE & O level - Data Transmission (Section 13 - No. 8)

Which of the following is a purpose of a public key in asymmetric encryption?

Decryption of messages.

Kept secret by the user.

Shared with anyone who wants to send encrypted messages.

Used only for decrypting data.

A public key is distributed to allow others to encrypt messages for the owner of the corresponding private key.