private function hashPassword($pwClear)
	{
		$this->debug->groupCollapsed(__METHOD__);
		$this->debug->time('hash');
		$hash = password_hash($pwClear, $this->cfg['passwordHashAlgo'], $this->cfg['passwordHashOptions']);
		$this->debug->log('hash', strlen($hash), $hash);
		$this->debug->timeEnd('hash');
		$this->debug->groupEnd();
		return $hash;
	}