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Computer Networks
Hash Functions
Q
What is the other name for key hash function, which is used in message authentication?
AA. Message administration control
BB. Message authentication code
CC. Message administration code
DD. Message authentication control
Correct Answer:
B. B. Message authentication code
Explanation:
Message authentication code that is key hash function is mostly used in message authentication. This MAC function results a MAC value, by taking the input block of data and secret key. This MAC value is used to check whether data has changed or not.
