On Thu, Aug 28, 2008 at 03:32:56PM -0700, Andrew Lentvorski spake thusly: > Is it possible to create an open source SecurID-like keyfob? Building > the hardware should be *painfully* cheap. I'm staring at a full 8051 > with flash from TI for under $10. It even does USB.
I have been thinking about this since around 2000. Yes, the hardware is dirt cheap. Wire a microcontroller to a USB connector and a LCD screen and sink the whole thing in epoxy and voila. Fast, cheap, easy. > 1) Unknown time-based algorithm for generating the factor This is the problem. Anyone know of a good algorithm? Good enough would even suffice. > Security-by-obscurity is always bad, but I'll presume that RSA has a > good algorithm somewhere. I presume that we could find some good > algorithm that's already vetted by the security community. And hope it isn't patented... > The question is: what algorithm? Indeed. -- Tracy Reed http://tracyreed.org -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
