on 7/8/02 6:46 AM, Prasad Ramalingam at [EMAIL PROTECTED] wrote: > The credit card validation works on the Mod 10 algorithm.This algorithm can > be either written in Javascript or TAF file.It is always safer to write it > in TAF or TCF file. > A gist of the Mod 10 algorithm can be had from the following website. > > http://www.beachnet.com/~hstiles/cardtype.html more can be searched from > google. > > But This validation is valid only for whether it is valid credit card.If you > want to make sure that the credit card holder is a valid person then you > have to have an account with verisign and things like that if I am right. Yes verisign or authorize net will do validation on card holder and their address.
> > hope this helps . > > Thanx > Prasad R > Tango Lead > OfficeTiger Database Systems India Pvt. Ltd. > http://www.officetiger.com > mailto:[EMAIL PROTECTED] > > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Stefan Gonick > Sent: Saturday, July 06, 2002 7:51 PM > To: Multiple recipients of list witango-talk > Subject: Re: Witango-Talk: Credit Card Validation > > > Here's a credit card checksum tester to make sure that > the CC number is valid. > > Stefan > > At 09:42 AM 7/3/2002 -0400, you wrote: >> Right forgot that the Authorize net will do the final validation. But we >> want to catch as many mistakes as we can before that so If JS can be >> fudged guess I ll use server side Witango. >> >> Dan >> >> on 7/3/02 9:02 AM, Henning Sittler at [EMAIL PROTECTED] wrote: >> For any kind of reliable validation, I always check things on the server >> with Witango. Javascript can work too, but it can't be trusted, because >> it can be fudged. >> Of course if you're using live payment validation and processing, that >> service will respond 'invalid account' or some such thing if the number is >> badly formed. >> >> Henning Sittler >> www.inscriber.com >> >> >> >> >> >> -----Original Message----- >> From: Dan Stein [mailto:[EMAIL PROTECTED]] >> Sent: Wednesday, July 03, 2002 8:56 AM >> To: Multiple recipients of list witango-talk >> Subject: Witango-Talk: Credit Card Validation >> >> >> >> What do people use. I have a few JavaScript's I've grabbed from Java sites >> and a snippet from the component zone that has validation of all sorts all >> JavaScript based. >> >> I'm looking to just make sure it is well formed and matches the card type. > I >> was thinking of using Witango to check that the expiration date has not >> passed. >> >> Dan >> >> >> >> -- >> Dan Stein >> Digital Software Solutions >> 799 Evergreen Circle >> Telford PA 18969 >> Land: 215-799-0192 >> Mobile: 610-256-2843 >> Fax 413-410-9682 >> FMP, WiTango, EDI,SQL 2000 >> [EMAIL PROTECTED] >> www.dss-db.com > > ======================================================== > Database WebWorks: Dynamic web sites through database integration > http://www.DatabaseWebWorks.com > > > ________________________________________________________________________ > TO UNSUBSCRIBE: send a plain text/US ASCII email to [EMAIL PROTECTED] > with unsubscribe witango-talk in the message body > -- Dan Stein Digital Software Solutions 799 Evergreen Circle Telford PA 18969 Land: 215-799-0192 Mobile: 610-256-2843 Fax 413-410-9682 FMP, WiTango, EDI,SQL 2000 [EMAIL PROTECTED] www.dss-db.com ________________________________________________________________________ TO UNSUBSCRIBE: send a plain text/US ASCII email to [EMAIL PROTECTED] with unsubscribe witango-talk in the message body
