Computers

Question

24. Message authentication is not concerned with

a) key exchange

b) protecting the integrity of a message

c) validating identity of originator

d) non-repudiation of origin (dispute resolution)

detecting errors in transmission of a message

Answer

b) protecting the integrity of a message

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Message authentication is a process of verifying the integrity of a message. It is used to ensure that the message has not been modified or tampered with during...