Question

In Symmetric-key cryptography, the key used by the sender and the receiver is __________.

Answer 1

Answer

In Symmetric-key cryptography, the key used by the sender and the receiver is Unique and single.

An encryption system in which the sender and receiver of a message share a single, common key that is used to encrypt and decrypt the message. Contrast this with public-key cryptology, which utilizes two keys - a public key to encrypt messages and a private key to decrypt them.

Answer 2

shared

this is my answer working for me...