How do we exchange a secret key in the clear? Spoiler: We don't - Dr Mike Pound shows us exactly what happens.
Mathematics bit: [ Ссылка ]
Computing Limit: [ Ссылка ]
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This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham: [ Ссылка ]
Computerphile is a sister project to Brady Haran's Numberphile. More at [ Ссылка ]
