Email Computerphile

Summary

To send binary files via a text based system, they'll need encoding. Dr Steve Bagley takes us through the attachment system used ... In the early days the UK had its own thoughts on how Spies used to meet in the park to exchange code words, now things have moved on - Robert Miles explains the principle of ... Security of users' passwords should be at the forefront of every web developer's mind. Tom takes us through the insecure ways in ... Audible free book: audible.com/ How do we exchange a secret key in the clear? Spoiler: We don't - Dr Mike Pound shows us exactly what happens. Mathematics ... Correction : as oodles of commenters have pointed out, the clock face should go from 0 to n-1. Also, worth reminding people that ... Professor Edward Frenkel discusses the mathematics behind the NSA Surveillance controversy - see links in full description. Enigma is known as the WWII cipher, but how does it hold up in 2021? Dr Mike Pound implemented it and shows how it stacks up ... Would you type your password into a random box on the internet? Dr Mike Pound on ensuring your password hasn't already been ... A web app that works out how many seconds ago something happened. How hard can coding that be? Tom Scott explains how ... Substitution-permutation networks are the basis for almost all modern symmetric cryptography. Dr Mike Pound explains.