Class KeyDecryptor

libcppcryptfs/util/KeybufManager.h:87–122

};

class KeyDecryptor {
	KeybufManager* m_mgr;
	bool m_bEntered;
public:
	KeyDecryptor() = delete;
	KeyDecryptor(KeybufManager* mgr, bool manual_enter = false)
	{
		m_bEntered = false;

		m_mgr = mgr;

		if (!m_mgr)
			return;

		if (!manual_enter)
			Enter();
	}
	void Enter()
	{
		if (m_bEntered || !m_mgr)
			return;

		if (!m_mgr->Enter())
			throw std::exception("KeyDecryptor enter failed");

		m_bEntered = true;
	}
	virtual ~KeyDecryptor()
	{
		if (m_bEntered)
			m_mgr->Leave();
	}
	// disallow copying
	KeyDecryptor(KeyDecryptor const&) = delete;
	void operator=(KeyDecryptor const&) = delete;
};