How to randomly generate a credit card number using Python

How to randomly generate a credit card number using Python

This example describes how to randomly generate a credit card number using Python. Share it with you for your reference. The specific analysis is as follows:

This Python code generates a random credit card number based on the rules generated by the credit card number. It can be verified. It is for your reference only. Do not use it for illegal purposes. Otherwise, you are solely responsible for the consequences.

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#! /Usr/bin/python """ Gencc: A simple program to generate credit card numbers that pass MOD 10 check (Luhn formula ). Usefull for testing e-commerce sites during development. Copyright 2003-2012 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 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 MERCHANTABILITY or fitness for a particle PURPOSE. See GNU General Public License for more details. You shoshould have your ed 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 """ # Different naming convention, because translated from PHP # Pylint: disable = C0103 From random import Random 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'] JcbPrefixList = [['3', '5'] VoyagerPrefixList = [['8', '6', '9', '9'] Def completed_number (prefix, length ): """ '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 """ Ccnumber = prefix # Generate digits While len (ccnumber) <(length-1 ): Digit = str (generator. choice (range (0, 10 ))) 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 (rnd, prefixList, length, howlist ): Result = [] While len (result) Ccnumber = copy. copy (rnd. 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 \ n ") 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 )) Jcb = credit_card_number (generator, jcbPrefixList, 16, 3) Print (output ("JCB", jcb )) Voyager = credit_card_number (generator, voyagerPrefixList, 15, 3) Print (output ("Voyager", voyager ))

The running result is as follows:

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Darkcoding credit card generator   Mastercard ---------- 5249241445603178 5474662131739768 5581517450441661 5588253309068355 5514774944030079 5122826749528287 5152966434002124 5268127987312292 5385676074198087 5330181839518097   VISA 16 digit ------------- 4539503803848378 4716973052847436 4556149936260376 4486565514724761 4556309354978160 4486560485591158 4916213564870669 4486704671699934 4532839100193192 4486613519985266   VISA 13 digit ------------- 4929905559973 4556870828321 4916868200216 4556189916056 4024007171180   American Express ---------------- 376197656730660 342421777432696 342896016604918 343458311286898 374543958196088   Discover -------- 6011676180456692 6011298953567876 6011699666196053   Diners Club/Carte Blanche --------------------------- 30066643308583 38302315481859 38251784096120   EnRoute ------- 214935400146170 201435309964331 201450317314858   JCB --- 3506641780149880 3561856856065701 3508395818816022   Voyager ------- 869984254736122 869938197246102 869921075232782

I hope this article will help you with Python programming.