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  1. import hashlib
  2.  
  3. def suPassword(chall):
  4.     #El challenge esta compuesto de 0123456789ABCDEFGHIJKLMNOPQRSTUYWXYZ
  5.     premd5 = bytearray(8)
  6.     for i in range(8):
  7.         if ord(chall[i]) <= 0x47:
  8.             premd5[i]=ord(chall[i])<<1
  9.         else:
  10.             premd5[i]=ord(chall[i])>>1
  11.     print('premd5:',premd5)
  12.  
  13.     md5hash = hashlib.md5()
  14.     md5hash.update(premd5)
  15.     print('md5: ',md5hash.hexdigest())
  16.     prepass = bytearray(md5hash.digest())
  17.  
  18.     challpass = bytearray(8)
  19.     for i in range(8):
  20.         temp2=(prepass[i]>>1)*0xB60B60B7
  21.         temp2=temp2>>(5+32)
  22.         temp1=temp2<<3
  23.         temp1=temp1-(temp2<<1)
  24.         temp3=(temp1<<4)
  25.         temp3=temp3-temp1
  26.         temp0=prepass[i]-temp3+0x21
  27.         temp0=temp0&0xFF
  28.         if temp0 == 0x3F:
  29.             challpass[i]=0x3E
  30.         else:
  31.             challpass[i]=temp0
  32.     print('PASSWORD!: ',challpass)
  33.  
  34.  
  35. if __name__=='__main__':
  36.     print('Huawei HG8245 su command challenge-password generator by adiaz_32')
  37.     print('Challenge: ')
  38.     challenge = 'B7Q3YS1E'
  39.     #if len(challenge)==8:
  40.     suPassword(challenge)
  41.     #else:
  42.     #    print 'ERROR: Challenge must have 8 chars'
  43.  
Success #stdin #stdout 0.02s 9404KB
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Huawei HG8245 su command challenge-password generator by adiaz_32
Challenge: 
('premd5:', bytearray(b'\x84n(f,)b\x8a'))
('md5: ', 'd3372a125fd12601f41b24f923b10d36')
('PASSWORD!: ', bytearray(b'@XK3&>G"'))
https://ideone.com/BHVZKP
language:
Python (cpython 2.7.16)
created:
119 days ago
visibility:
public

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