____ is defined as the exchange of information over an unsecured medium that allows each of two parties, the sender and the recipient, to compute a value that will be used to construct a secret key for a symmetric cipher during the rest of the communication.
A) Message authentication code
B) Digital certificate
C) Key agreement
D) Keyed hashes

Question

Quizplus · Accepted Answer

The definition given is that of key agreement, which involves two parties exchanging information to compute a secret key for use in symmetric encryption. Message authentication codes (A) and keyed hashes (D) are related to ensuring data integrity, while digital certificates (B) are used in verifying the identity of parties in communications.

____ Is Defined as the Exchange of Information Over an Unsecured