Question

How does the digital signature mechanism provide non-repudiation?

a.

By encrypting the message with a private key.

b.

By producing a message digest from the original message.

c.

By attaching a digital signature to the message.

d.

By decrypting the message with a public key.

Posted under Cloud Computing

Answer: (c).By attaching a digital signature to the message. Explanation:The digital signature mechanism provides non-repudiation by attaching a digital signature to the message, rendering it invalid if unauthorized modifications occur.

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