Nice article on ECC
Nice article by Whitfield Diffie of Sun on eliptic-curve crypto, standards and such. I liked the drawing enough to swipe a copy.
Best one-liner explanation I’ve heard of modular arithmetic:
They use what’s called modular arithmetic: what a clock does; you get to 12 and start over again at one.
Lots of info about how Solaris uses all this, too. Cool.