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Almost All Web Encryption Works Like This (SP Networks) - Computerphile

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Published on Aug 14, 2019

Substitution-permutation networks are the basis for almost all modern symmetric cryptography. Dr Mike Pound explains.

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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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