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Updated: 03/06/2001

CCheck

CCheck is an ActiveX dll which utilizes the LUHN formula (Mod 10) to verify whether a user has entered valid credit card data. CCheck verifies the credit card number given against the credit card type and also verify the expiration date. CCheck works for Visa, Mastercard, American Express, Diners Club / Carte Blanche, Discover, enRoute and JCB. CCheck can be used in both ASP and VB applications.
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