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Computer Networks
Digital Signatures
Q
Which of the following cannot be achieved by the digital signature in symmetric key encryption?
AA. Message authentication
BB. Data integrity
CC. Non-repudiation
DD. Security of the message
Correct Answer:
D. D. Security of the message
Explanation:
Channel security is not in hands of digital signature, even the secret key is being transmitted between sender and receiver. Security of the message will be depending on the channel that is being used.
