2014-12-24 13:37:31 +00:00
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'''
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This module generates credit card data
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'''
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import copy
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import random
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class Datatype:
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def __init__(self, cli_object):
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self.cli = "cc"
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self.description = "Credit Card Numbers"
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self.filetype = "text"
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self.datasize = int(cli_object.data_size)
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def completed_number(self, prefix, length, the_generator):
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"""
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'prefix' is the start of the CC number as a string, any number of digits.
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'length' is the length of the CC number to generate. Typically 13 or 16
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"""
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ccnumber = prefix
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# generate digits
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while len(ccnumber) < (length - 1):
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digit = str(the_generator.choice(range(0, 10)))
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ccnumber.append(digit)
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# Calculate sum
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sum = 0
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pos = 0
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reversedCCnumber = []
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reversedCCnumber.extend(ccnumber)
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reversedCCnumber.reverse()
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while pos < length - 1:
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odd = int(reversedCCnumber[pos]) * 2
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if odd > 9:
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odd -= 9
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sum += odd
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if pos != (length - 2):
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sum += int(reversedCCnumber[pos + 1])
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pos += 2
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# Calculate check digit
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checkdigit = ((sum / 10 + 1) * 10 - sum) % 10
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ccnumber.append(str(checkdigit))
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return ''.join(ccnumber)
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def credit_card_number(self, prefixList, length, howMany):
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generator = random.Random()
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generator.seed()
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result = []
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while len(result) < howMany:
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ccnumber = copy.copy(generator.choice(prefixList))
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result.append(self.completed_number(ccnumber, length, generator))
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return result
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def generate_data(self):
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2015-01-15 14:42:00 +00:00
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print "[*] Generating data..."
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2014-12-24 13:37:31 +00:00
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# credit card constants
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visaPrefixList = [
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['4', '5', '3', '9'],
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['4', '5', '5', '6'],
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['4', '9', '1', '6'],
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['4', '5', '3', '2'],
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['4', '9', '2', '9'],
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['4', '0', '2', '4', '0', '0', '7', '1'],
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['4', '4', '8', '6'],
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['4', '7', '1', '6'],
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['4']]
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mastercardPrefixList = [
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['5', '1'], ['5', '2'], ['5', '3'], ['5', '4'], ['5', '5']]
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amexPrefixList = [['3', '4'], ['3', '7']]
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mastercards = self.credit_card_number(
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mastercardPrefixList, 16, 19800 * self.datasize)
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visas = self.credit_card_number(
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visaPrefixList, 16, 19800 * self.datasize)
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amexes = self.credit_card_number(
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amexPrefixList, 15, 19800 * self.datasize)
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all_cards = mastercards + visas + amexes
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final_cards = ''
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for card in all_cards:
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final_cards += card + ', '
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return final_cards
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