SNK-004 Calculator?

Have you made any progess on the SNK calculator for Palm that you mention on your web site?

http://www.cs.vu.nl/~leendert/pilot.html

I'm very interested in this project. There are some serious known issues with the X9.9 standard, so I'm hoping to find a framework into which I can plug a more secure challenge (alphanumeric) and crypto mechanism.

http://www.freeradius.org/radiusd/doc/rlm_x99_token