What are Digital Signatures? – Computerphile

How do you verify that someone is who they say they are? Dr Mike Pound on digital signatures.

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This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: https://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

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