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Computer Networks
Hash Functions
Q
Which of the following application in which hash function is employed, refers hash value as message digest?
AA. Message authentication
BB. Virus detection
CC. Digital signatures
DD. One-way password file
Correct Answer:
A. A. Message authentication
Explanation:
The application “message authentication” is used to obtain the integrity of the message. Sender sends hash value of the message along with message, then receiver performs the same hash function on the message. If both the message digests are same, means, integrity is achieved.
