Code:#!/usr/bin/python """ gencc: A simple program to generate credit card numbers that pass the MOD 10 check (Luhn formula). """ from random import Random import sys import copy visaPrefixList = [ ['4', '5', '3', '9'], ['4', '5', '5', '6'], ['4', '9', '1', '6'], ['4', '5', '3', '2'], ['4', '9', '2', '9'], ['4', '0', '2', '4', '0', '0', '7', '1'], ['4', '4', '8', '6'], ['4', '7', '1', '6'], ['4'] ] mastercardPrefixList = [ ['5', '1'], ['5', '2'], ['5', '3'], ['5', '4'], ['5', '5'] ] amexPrefixList = [ ['3', '4'], ['3', '7'] ] discoverPrefixList = [ ['6', '0', '1', '1'] ] dinersPrefixList = [ ['3', '0', '0'], ['3', '0', '1'], ['3', '0', '2'], ['3', '0', '3'], ['3', '6'], ['3', '8'] ] enRoutePrefixList = [ ['2', '0', '1', '4'], ['2', '1', '4', '9'] ] jcbPrefixList16 = [ ['3', '0', '8', '8'], ['3', '0', '9', '6'], ['3', '1', '1', '2'], ['3', '1', '5', '8'], ['3', '3', '3', '7'], ['3', '5', '2', '8'] ] jcbPrefixList15 = [ ['2', '1', '0', '0'], ['1', '8', '0', '0'] ] voyagerPrefixList = [ ['8', '6', '9', '9'] ] """ 'prefix' is the start of the CC number as a string, any number of digits. 'length' is the length of the CC number to generate. Typically 13 or 16 """ def completed_number(prefix, length): ccnumber = prefix # generate digits while len(ccnumber) < (length - 1): digit = generator.choice(['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']) ccnumber.append(digit) # Calculate sum sum = 0 pos = 0 reversedCCnumber = [] reversedCCnumber.extend(ccnumber) reversedCCnumber.reverse() while pos < length - 1: odd = int( reversedCCnumber[pos] ) * 2 if odd > 9: odd -= 9 sum += odd if pos != (length - 2): sum += int( reversedCCnumber[pos+1] ) pos += 2 # Calculate check digit checkdigit = ((sum / 10 + 1) * 10 - sum) % 10 ccnumber.append( str(checkdigit) ) return ''.join(ccnumber) def credit_card_number(generator, prefixList, length, howMany): result = [] for i in range(howMany): ccnumber = copy.copy( generator.choice(prefixList) ) result.append( completed_number(ccnumber, length) ) return result def output(title, numbers): result = [] result.append(title) result.append( '-' * len(title) ) result.append( '\n'.join(numbers) ) result.append( '' ) return '\n'.join(result) # # Main # generator = Random() generator.seed() # Seed from current time print "darkcoding credit card generator " print mastercard = credit_card_number(generator, mastercardPrefixList, 16, 10) print output("Mastercard", mastercard) visa16 = credit_card_number(generator, visaPrefixList, 16, 10) print output("VISA 16 digit", visa16) visa13 = credit_card_number(generator, visaPrefixList, 13, 5) print output("VISA 13 digit", visa13) amex = credit_card_number(generator, amexPrefixList, 15, 5) print output("American Express", amex) # Minor cards discover = credit_card_number(generator, discoverPrefixList, 16, 3) print output("Discover", discover) diners = credit_card_number(generator, dinersPrefixList, 14, 3) print output("Diners Club / Carte Blanche", diners) enRoute = credit_card_number(generator, enRoutePrefixList, 15, 3) print output("enRoute", enRoute) jcb15 = credit_card_number(generator, jcbPrefixList15, 15, 3) print output("JCB 15 digit", jcb15) jcb16 = credit_card_number(generator, jcbPrefixList16, 16, 3) print output("JCB 16 digit", jcb16) voyager = credit_card_number(generator, voyagerPrefixList, 15, 3) print output("Voyager", voyager)