Double Ratchet Messaging Encryption Computerphile

Summary

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 ... Spies used to meet in the park to exchange code words, now things have moved on - Robert Miles explains the principle of ... How do we exchange a secret key in the clear? Spoiler: We don't - Dr Mike Pound shows us exactly what happens. Mathematics ... There's a reason Needham–Schroeder isn't used any more - Tim Muller demonstrates the weakness in the technique. Audible free book: audible.com/ One of the most elegant solutions for cryptography. Dr Mike Pound explains one of his most favourite ciphers. A brief presentation going over Signal's Correction : as oodles of commenters have pointed out, the clock face should go from 0 to n-1. Also, worth reminding people that ...