In key distribution and reciprocal authentication schemes two communicating parties cooperate by exchanging messages to distribute keys and/or authenticate each other.In many cases ___________ are used for handshaking to prevent replay attacks.
A)session keys
B)nonces
C)RC4s
D)entropies

Question

Quizplus · Accepted Answer

Nonces are unique numbers or strings used once in communication protocols to prevent replay attacks by ensuring that each session or message is unique.

In Key Distribution and Reciprocal Authentication Schemes Two Communicating Parties