docs: def get_master_key(password_hash_hash, nt_response):
      """
     GetMasterKey(
     IN  16-octet  PasswordHashHash,
     IN  24-octet  NTResponse,
     OUT 16-octet  MasterKey )
     {
        20-octet Digest
  
        ZeroMemory(Digest, sizeof(Digest));
  
        /*
         * SHSInit(), SHSUpdate() and SHSFinal()
         * are an implementation of the Secure Hash Standard [7].
         */
  
        SHSInit(Context);
        SHSUpdate(Context, PasswordHashHash, 16);
        SHSUpdate(Context, NTResponse, 24);
        SHSUpdate(Context, Magic1, 27);
        SHSFinal(Context, Digest);
  
        MoveMemory(MasterKey, Digest, 16);
     }
  
      """
      sha_hash = hashlib.sha1()
      sha_hash.update(password_hash_hash)
      sha_hash.update(nt_response)
      sha_hash.update(Magic1)
      return sha_hash.digest()[:16]