Created
February 17, 2014 01:39
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A slight modification of Graham King's darkcoding credit card generator.
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#!/usr/bin/env python | |
""" | |
gencc: A simple program to generate credit card numbers that pass the MOD 10 check | |
(Luhn formula). | |
Useful for testing e-commerce sites during development. | |
Copyright 2003 Graham King | |
This program is free software; you can redistribute it and/or modify | |
it under the terms of the GNU General Public License as published by | |
the Free Software Foundation; either version 2 of the License, or | |
(at your option) any later version. | |
This program is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
GNU General Public License for more details. | |
You should have received a copy of the GNU General Public License | |
along with this program; if not, write to the Free Software | |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
""" | |
from random import Random | |
from argparse import ArgumentParser, RawDescriptionHelpFormatter | |
import sys | |
import copy | |
generator = Random() | |
generator.seed() # Seed from current time | |
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) | |
# Major cards | |
def major(generator): | |
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 | |
def minor(generator): | |
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) | |
def main(): | |
parser = ArgumentParser(formatter_class=RawDescriptionHelpFormatter, description='''\ | |
A simple program to generate credit card numbers that | |
pass the MOD 10 check (Luhn formula). Useful for | |
testing e-commerce sites during development. Provides | |
numbers for both major and minor credit cards. | |
Major Minor | |
----- ----- | |
Visa Discover | |
Mastercard Diners | |
American Express enRoute | |
JCB | |
Voyager''') | |
parser.add_argument('cctype', nargs='?', type=str, default='all', help='''\ | |
Specify the credit card type: major, minor or all. | |
default: %(default)s''') | |
args = parser.parse_args() | |
cc_type = args.cctype | |
print "\ndarkcoding credit card generator: \n" | |
if cc_type == 'major': | |
major(generator) | |
elif cc_type == 'minor': | |
minor(generator) | |
else: | |
major(generator) | |
minor(generator) | |
if __name__ == "__main__": | |
main() |
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