Question

In asymmetric key cryptography, the private key is kept by __________

(a) sender

(b) receiver

(c) sender and receiver

(d) all the connected devices to the network

I got this question in an international level competition.

My question is from Cryptography in chapter Networking of Computer Network

Answer 1

The correct answer is (b) receiver

The best I can explain: The private key is kept only by the receiver of the message. Its aim is to make sure that only the intended receiver can decipher the message.