Uploaded March 2016 | Updated September 2026, 1 week ago

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The FBI is asking Apple to help them crack an iPhone's encryption, but that's not the whole story. Learn how encryption & code signing work, & how quantum computers might pose a threat to both!

-Links for the Curious-

Physics Girl video on quantum cryptography, using quantum physics to *improve* encryption - youtube.com/watch?v=UiJiXNEm-Go

A fantastic Computerphile video on public key cryptography - youtube.com/watch?v=GSIDS_lvRv4

Apple's code signing overview - developer.apple.com/library/mac/documentation/Security/Conceptual/CodeSigningGuide/Introduction/Introduction.html