Categories Computing Security Post author By Matt Wharton Post date February 4, 2009 Share this:TwitterTumblrFacebookMorePrintLinkedInEmail Tags computer security, cryptography By Matt Wharton Matt Wharton is a dad, vlogger and IT Infrastructure Consultant. He was also in a former life a cinema manager. Blogging here and at mattwharton.co.uk Watch our family's vlog at YouTube Follow me on Twitter View Archive → ← Lost Generation → Review: The Reader