Computer Science for IGCSE & O level - Data Transmission (Section 12 - No. 31)
What is the main goal of using a digital signature?
To encrypt data and ensure confidentiality.
To provide message authenticity and non-repudiation.
To compress data to improve transmission speed.
To increase the data transfer rate.
Explanation
Digital signatures provide the ability to verify both the message's authenticity and that the sender cannot deny sending the message.
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