The birthday paradox is very interesting.
It can also be used to attack cryptosystems. It makes finding hash collisions much easier than you would intuitively expect.
See http://en.wikipedia.org/wiki/Birthday_attack on wikipaedo
@rhowe started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
It can also be used to attack cryptosystems. It makes finding hash collisions much easier than you would intuitively expect.
See http://en.wikipedia.org/wiki/Birthday_attack on wikipaedo