Security Of Data On Disk Computerphile

Summary

Deleting files may not mean they're gone. Even overwriting them isn't safe. Professor Derek McAuley explains. EXTRA BITS ... You don't just 'run a cipher' - you need a mode of operation. Dr Mike Pound explains some relative to the Feistel cipher. Audible free book: audible.com/ Derek McAuley is professor of Digital Economy at University of Nottingham's School of Computer Science. Main " With new operating systems requiring The UK's Government Communications Headquarters deal in classified material, but how to decide if a computer is secure? It's absolutely everywhere, but what is TLS and where did it come from? Dr Mike Pound explains the background behind this ... We look at where the ubiquitous AES came from. Dr Mike Pound introduces the Rijndael algorithm. SP Networks: ... Substitution-permutation networks are the basis for almost all modern symmetric cryptography. Dr Mike Pound explains. Governments can censor access to the web, but how do they restrict access? Sheharbano Khattak, Research Assistant at the ... A checksum that's robust & trivial to compute with Matt Godbolt -- Brilliant's courses and start for free at ... Kerberos is an authentication method - Dr Mike Pound explains how it works so neatly. EXTRA BITS: Kerberos Q&A ...