Computer Science for IGCSE & O level - Data Transmission (Section 13 - No. 12)
What is the key benefit of using a digital signature?
Confidentiality of Data
Data compression
Non-repudiation and message authenticity
Increased transmission speeds
Paskaidrojums
Digital signatures provide non-repudiation because they prove that a particular person sent the message and the message was not changed after it was sent.