Credit card validation steps ? 
March 18th, 2009, 08:40 AM
| | Needs Regular Fix | | Join Date: Dec 2006
Posts: 287
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What are the credit card validation steps ?
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March 18th, 2009, 08:58 AM
|  | Expert | | Join Date: Mar 2007
Posts: 10,634
Provided Answers: 2 | | | re: Credit card validation steps ?
Google for "credit card validation steps" and you know all.
kind regards,
Jos
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March 19th, 2009, 09:26 PM
|  | Site Moderator | | Join Date: Jan 2007 Location: America
Posts: 3,362
| | | re: Credit card validation steps ?
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March 20th, 2009, 06:25 AM
| | Needs Regular Fix | | Join Date: Dec 2006
Posts: 287
| | | re: Credit card validation steps ?
Quote:
Originally Posted by RedSon  |
I know that.
I thought there might be some extra validation steps.
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March 20th, 2009, 11:15 AM
| | Expert | | Join Date: Mar 2007
Posts: 10,634
Provided Answers: 2 | | | re: Credit card validation steps ?
Quote:
Originally Posted by pankajit09 I know that.
I thought there might be some extra validation steps. | I find that strange: you don't know what the steps are but you suspect additional steps. My suggestion is that you do some research first and then ask again.
kind regards,
Jos
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March 20th, 2009, 11:25 AM
| | Needs Regular Fix | | Join Date: Dec 2006
Posts: 287
| | | re: Credit card validation steps ?
Quote:
Originally Posted by JosAH I find that strange: you don't know what the steps are but you suspect additional steps. My suggestion is that you do some research first and then ask again.
kind regards,
Jos |
I know the steps and I suspect additional steps. :-)
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March 20th, 2009, 05:22 PM
| | Moderator | | Join Date: Mar 2006
Posts: 1,103
| | | re: Credit card validation steps ?
Confused. You are talking about purely mathematical steps, and not any steps dependent on look up tables? So you are looking for the steps besides, call up the server and ask if the credit card number is valid, correct?
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March 21st, 2009, 12:59 AM
| | Site Moderator | | Join Date: Jan 2007 Location: America
Posts: 3,362
| | | re: Credit card validation steps ?
Quote:
Originally Posted by pankajit09 I know the steps and I suspect additional steps. :-) | What are the steps that you know and what additional steps do you suspect?
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March 21st, 2009, 06:45 PM
| | Needs Regular Fix | | Join Date: Dec 2006
Posts: 287
| | | re: Credit card validation steps ?
Quote:
Originally Posted by RedSon What are the steps that you know and what additional steps do you suspect? |
The validation steps I know is Luhn's algorithm and the format of brands of each credit card.
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