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