Class CryptConfig

libcppcryptfs/config/cryptconfig.h:44–122

class CryptContext;

class CryptConfig
{
public:
	int m_N;
	int m_R;
	int m_P;

	bool m_PlaintextNames;
	KeybufManager m_keybuf_manager;
private:
	LockZeroBuffer<unsigned char> *m_pKeyBuf;
	LockZeroBuffer<BYTE> *m_pGcmContentKey;
	bool m_DirIV;	
	unsigned long long scrypt_mem();
public:
	wstring m_configPath;
	bool DirIV() { return m_DirIV; };
	bool m_EMENames;
	bool m_GCMIV128;
	bool m_LongNames;
	bool m_AESSIV;
	bool m_Raw64;
	bool m_HKDF;
	bool m_DenyAccessToOthers;

	bool m_reverse;

	int m_LongNameMax;

	int m_Version;
	wstring m_VolumeName;

	vector<unsigned char> m_encrypted_key_salt;
	vector<unsigned char> m_encrypted_key;


	wstring m_basedir;  // the real root of the fs

	DWORD m_serial; // windows volume serial number - derived from root diriv or from hash of root dir

	wstring m_mountpoint;

	const unsigned char *GetMasterKey() { return m_pKeyBuf ? m_pKeyBuf->m_buf : NULL; }
	DWORD GetMasterKeyLength() { return m_pKeyBuf ? m_pKeyBuf->m_len : 0; }
	const WCHAR *GetMountPoint() { return m_mountpoint.c_str(); }
	const WCHAR *GetBaseDir() { return m_basedir.c_str(); }
	bool InitGCMContentKey(const BYTE *key);

	const BYTE *GetGcmContentKey() { return m_HKDF ? m_pGcmContentKey->m_buf : GetMasterKey(); };

	CryptConfig();
	bool read(wstring& mes, const WCHAR *config_file_path = NULL, bool reverse = false);
	bool encrypt_key(const wchar_t* password, const BYTE *masterkey, string& base64encryptedmastekey, string& scryptSalt, wstring& error_mes);	
	bool decrypt_key(LPCTSTR password);

	bool create(const WCHAR* path, const WCHAR* specified_config_path, const WCHAR* password, bool eme, bool plaintext, bool longfilenames,
		bool siv, bool reverse, int scryptN, const WCHAR* volume_name, bool disablestreams, int longnamemax, bool deterministicnames, wstring& error_mes		
	);