'Www theregister' presentation slideshows

L1.2. An Introduction to Block Ciphers

L1.2. An Introduction to Block Ciphers. Rocky K. C. Chang, February 2013. Outline. Product and iterated ciphers A simple substitution-permutation network DES and AES Modes of operations Cipher block chaining How to ensure message integrity? How to increase the security of DES?.

624 views • 49 slides

Facebook wants Africa!

Facebook wants Africa! . Lubica Belhadjova MA1N0212. (visual.ly, 2011). (visual.ly, 2011). (Stats, 2012 ). Facebook: We will build 5-year solar sky cruiser comms net that DARPA couldn't.

177 views • 9 slides

Keeping Data Safe

261 views • 8 slides

Big Data & Visualization

238 views • 5 slides