Attemps to find wireless config file / extracts wep key / decodes it.

#!/usr/bin/python
#Trys to find your wireless config file and extracts 
#the wep key and then decodes it.
#Tested on Suse 10.2, if your distro's wireless config file isn't
#called "wireless". Email me a sample file and type of 
#distro so I can make this more versitile.
#d3hydr8[at]gmail[dot]com
#http://darkcode.ath.cx

import sys, os, re, binascii
 
print "\nSearching for wireless config file...\n"

try:
 file = os.popen("find / -name wireless").readlines()
except(OSError):
 pass
for line in file:
 try:
  text = open(line[:-1], "r").readlines()
  for line in text:
   if re.search("WIRELESS_KEY=", line):
    key = line.lstrip("WIRELESS_KEY=").replace("\"","").replace("-","")
    if key != "\n":
     print "\n\n",key
     print "WEP key:",binascii.a2b_hex(key[:-1]),"\n"
    
 except(IOError):
  pass

#You must be root to use iwconfig
 
file = os.popen("iwconfig").readlines()
for line in file:
 if re.search("Encryption key:", line):
  key = line.lstrip("Encryption key:").replace("-","").split(" ",1)
  if len(key) == 2:
   key = key[0]
  print key
  print "WEP key:",binascii.a2b_hex(key),"\n"

http://darkc0de.com/encryption/wepcrack.py