Used to hide information and send to others in secret forms where they decode them…– Created using PowToon — Free sign up at http://www.powtoon.com/ . Make your own animated videos and animated presentations for free. PowToon is a free tool that allows you to develop cool animated clips and animatedContinue Reading

For centuries massive intellectual effort has gone into methods of ensuring secure communication, because of its importance in diplomatic, commercial and military affairs. Up until recently these methods have relied on the exchange of a secret key or protocol between correspondents. Now, however, a new approach based on mathematics, calledContinue Reading

Audible free book: http://www.audible.com/computerphile Hashing Algorithms are used to ensure file authenticity, but how secure are they and why do they keep changing? Tom Scott hashes it out. More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Pigeon SoundContinue Reading

Fundamental concepts of Public Key Encryption are discussed. RSA Public Encryption is presented. Optimization of Private Key operations is analyzed. Public Key Encryption Symmetric vs. Public-Key RSA Public Key Encryption RSA Key Construction Optimizing Private Key Operations RSA Security source