ntlm.py 文件源码

def SEALKEY(flags, randomSessionKey, mode = 'Client'):
   if flags & NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
       if flags & NTLMSSP_NEGOTIATE_128:
           sealKey = randomSessionKey
       elif flags & NTLMSSP_NEGOTIATE_56:
           sealKey = randomSessionKey[:7]
       else:
           sealKey = randomSessionKey[:5]

       if mode == 'Client':
               md5 = hashlib.new('md5')
               md5.update(sealKey + 'session key to client-to-server sealing key magic constant\x00')
               sealKey = md5.digest()
       else:
               md5 = hashlib.new('md5')
               md5.update(sealKey + 'session key to server-to-client sealing key magic constant\x00')
               sealKey = md5.digest()

   elif flags & NTLMSSP_NEGOTIATE_56:
       sealKey = randomSessionKey[:7] + '\xa0'
   else:
       sealKey = randomSessionKey[:5] + '\xe5\x38\xb0'

   return sealKey