Computer Science for IGCSE & O level - Data Transmission (Section 11 - No. 13)
What is the benefit of using a digital signature?
It increases data transfer speeds.
It ensures data confidentiality.
It guarantees message authenticity and non-repudiation.
It reduces the file size of the message.
解释
Digital signatures provide assurance of the sender's identity and that the message hasn't been tampered with.