This is an encryption/decryption key known only to the party or parties that exchange secret messages.
A)E-signature
B)Digital certificate
C)Private key
D)Security token

Question

Quizplus · Accepted Answer

A private key is part of a key pair in public-key cryptography, used for decryption or signing, and is known only to the owner, facilitating secure communication or document signing.

This Is an Encryption/decryption Key Known Only to the Party