Encryption Entropy Computerphile

Summary

What's the absolute minimum you can compress data to? - Spies used to meet in the park to exchange code words, now things have moved on - Robert Miles explains the principle of ... We look at where the ubiquitous AES came from. Dr Mike Pound introduces the Rijndael algorithm. SP Networks: ... Just what are elliptic curves and why use a graph shape in cryptography? Dr Mike Pound explains. Mike's myriad Diffie-Hellman ... Diffie Hellman has a flaw. Dr Mike Pound explains how a man in the middle could be a big problem, unless we factor it in... Public ... Audible free book: audible.com/ Substitution-permutation networks are the basis for almost all modern symmetric cryptography. Dr Mike Pound explains. How do we exchange a secret key in the clear? Spoiler: We don't - Dr Mike Pound shows us exactly what happens. Mathematics ... RSA is widespread on the Internet, and uses large prime numbers - but how does it work? Dr Tim Muller takes us through the ... You don't just 'run a cipher' - you need a mode of operation. Dr Mike Pound explains some relative to the Feistel cipher. **This ...