> I'm looking for something to generate license codes for some software I'm > planning to sell. Do you think this would work for that purpose?
Take a look at Zygodact; it does exactly this plus it has a DropTool component to make it a snap to work with. http://www.runrev.com/store/product/zygodact-1-0-4/ Ken Ray Sons of Thunder Software, Inc. Email: k...@sonsothunder.com Web Site: http://www.sonsothunder.com/ > Pete > Molly's Revenge <http://www.mollysrevenge.com> > > > > > On Sat, Apr 2, 2011 at 9:51 AM, Peter Brigham MD <pmb...@gmail.com> wrote: > >> For anyone who might have the need, I have a handler I use to generate a >> security code, in my case for printed prescriptions. It takes the name of >> the patient, the date of the prescription, the medication and med strength >> and hashes all that to produce a ten-digit alphanumeric string (using 0-9, >> a-z, A-Z). If there is any question about the validity of the prescription I >> can retrieve the correct code from the rx entry in my database with a >> mouseclick (actually recalculating the code from the stored rx data) and >> confirm it with the pharmacy. This has proved useful on two occasions when a >> pt was playing fast and loose with his prescriptions. >> >> The algorithm is fast in LC, sufficiently obscure that I'm pretty sure it >> would be hard to hack -- though of course few things are bulletproof in >> encryption if someone wants to try hard enough -- and discontinuous in the >> sense that similar inputs do not generate similar outputs, eg, change one >> character in the input and the code number is completely different. The >> probability of coming up with the correct security number by chance alone is >> 1 in 10^15 (a million billion to 1). It could be adapted to any number of >> purposes. I am not posting the handler here, since it would be unwise to let >> it be archived and available, eg, with a Nabble search, but if anyone is >> interested, let me know and I'll share it. >> >> -- Peter >> >> Peter M. Brigham >> pmb...@gmail.com >> http://home.comcast.net/~**pmbrig <http://home.comcast.net/~pmbrig> >> >> >> ______________________________**_________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your >> subscription preferences: >> http://lists.runrev.com/**mailman/listinfo/use-livecode<http://lists.runrev.com/mailman/listinfo/use-livecode> >> >> > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode