Encryption and Security Agencies - Computerphile

News stories surface every day about how National Security Agencies have broken encryption, but what is media 'hype' and what's the truth? - Richard Mortier explains. Security of Data on Disk - Computerphile http://www.youtube.com/watch?v=4SSSMi4X_mA Characters, Symbols and the Unicode Miracle http://www.youtube.com/watch?v=MijmeoH9LT4 Random Numbers - Numberphile http://www.youtube.com/watch?v=SxP30euw3-0 Encryption and HUGE numbers - Numberphile http://www.youtube.com/watch?v=M7kEpw1tn50 http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels