CalDavSynchronizer.OutlookAccountPasswordProvider.GetPassword C# (CSharp) Метод

    public SecureString GetPassword (string accountNameOrNull)
    {
      try
      {
        using (RegistryKey profileKey = Registry.CurrentUser.OpenSubKey (_profileRegistryKeyName))
        {
          foreach (string subKeyName in profileKey.GetSubKeyNames())
          {
            using (RegistryKey subKey = profileKey.OpenSubKey (subKeyName))
            {
              if (accountNameOrNull != null)
              {
                var registryAccountName = ConvertRegistryValueToString (subKey.GetValue ("Account Name"));
                if (registryAccountName != accountNameOrNull)
                  continue;
              }

              var passwordValue = (byte[]) subKey.GetValue ("IMAP Password") ?? (byte[]) subKey.GetValue ("POP3 Password");

              if (passwordValue == null)
                continue;
              var encPassword = passwordValue.Skip (1).ToArray();
              try
              {
                var clearPassword = ProtectedData.Unprotect (encPassword, null, DataProtectionScope.CurrentUser);
                return SecureStringUtility.ToSecureString(Encoding.Unicode.GetString (clearPassword).TrimEnd ('\0'));
              }
              catch (CryptographicException x)
              {
                s_logger.Error ("Error while decrypting account password. Using empty password", x);
                return new SecureString ();
              }
            }
          }
          return new SecureString();
        }
      }
      catch (Exception ex)
      {
        s_logger.Error ("Error while fetching account password from registry. Using empty password", ex);
        return new SecureString ();
      }
    }
  }