Implement service-generated authorization capability

server/2015Remote/2015RemoteDlg.cpp

@@ -21,6 +21,8 @@
 #include <vector>
 #include "KeyBoardDlg.h"
 #include "InputDlg.h"
+#include "CPasswordDlg.h"
+#include "pwd_gen.h"
 
 #ifdef _DEBUG
 #define new DEBUG_NEW
@@ -899,15 +901,177 @@ VOID CMy2015RemoteDlg::OnOnlineKeyboardManager()
 	SendSelectedCommand(&bToken, sizeof(BYTE));
 }
 
+std::vector<std::string> splitString(const std::string& str, char delimiter) {
+	std::vector<std::string> result;
+	std::stringstream ss(str);
+	std::string item;
+
+	while (std::getline(ss, item, delimiter)) {
+		result.push_back(item);
+	}
+	return result;
+}
+
+std::string joinString(const std::vector<std::string>& tokens, char delimiter) {
+	std::ostringstream oss;
+
+	for (size_t i = 0; i < tokens.size(); ++i) {
+		oss << tokens[i];
+		if (i != tokens.size() - 1) {  // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>Ԫ<EFBFBD>غ<EFBFBD><D8BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӷָ<D3B7><D6B8><EFBFBD>
+			oss << delimiter;
+		}
+	}
+
+	return oss.str();
+}
+
+#define REG_SETTINGS "Software\\YAMA\\Settings"
+
+// д<><D0B4><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD>ֽڰ棩
+bool WriteAppSettingA(const std::string& keyName, const std::string& value) {
+	HKEY hKey;
+
+	LONG result = RegCreateKeyExA(
+		HKEY_CURRENT_USER,
+		REG_SETTINGS,
+		0,
+		NULL,
+		0,
+		KEY_WRITE,
+		NULL,
+		&hKey,
+		NULL
+	);
+
+	if (result != ERROR_SUCCESS) {
+		Mprintf("<EFBFBD>޷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: %d\n", result);
+		return false;
+	}
+
+	result = RegSetValueExA(
+		hKey,
+		keyName.c_str(),
+		0,
+		REG_SZ,
+		reinterpret_cast<const BYTE*>(value.c_str()),
+		static_cast<DWORD>(value.length() + 1)
+	);
+
+	RegCloseKey(hKey);
+	return result == ERROR_SUCCESS;
+}
+
+// <20><>ȡ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD>ֽڰ棩
+bool ReadAppSettingA(const std::string& keyName, std::string& outValue) {
+	HKEY hKey;
+
+	LONG result = RegOpenKeyExA(
+		HKEY_CURRENT_USER,
+		REG_SETTINGS,
+		0,
+		KEY_READ,
+		&hKey
+	);
+
+	if (result != ERROR_SUCCESS) {
+		return false;
+	}
+
+	char buffer[256];
+	DWORD bufferSize = sizeof(buffer);
+	DWORD type = 0;
+
+	result = RegQueryValueExA(
+		hKey,
+		keyName.c_str(),
+		nullptr,
+		&type,
+		reinterpret_cast<LPBYTE>(buffer),
+		&bufferSize
+	);
+
+	RegCloseKey(hKey);
+
+	if (result == ERROR_SUCCESS && type == REG_SZ) {
+		outValue = buffer;
+		return true;
+	}
+
+	return false;
+}
+
+// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õĴ<C3B5><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻ<EFBFBD><CFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>룬<EFBFBD><EBA3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>
+int CanBuildClient() {
+	std::string freeTrail;
+	auto b = ReadAppSettingA("free_trial", freeTrail);
+	if (!b || freeTrail.empty())
+		freeTrail = "10";
+	return atoi(freeTrail.c_str());
+}
+
+bool UpdateFreeTrial(int n) {
+	return WriteAppSettingA("free_trial", std::to_string(n));
+}
+
 void CMy2015RemoteDlg::OnOnlineBuildClient()
 {
+	auto n = CanBuildClient();
+	if (n<=0) {
+		auto THIS_APP = (CMy2015RemoteApp*)AfxGetApp();
+		auto settings = "settings", pwdKey = "Password";
+		// <20><>֤<EFBFBD><D6A4><EFBFBD><EFBFBD>
+		CPasswordDlg dlg;
+		std::string hardwareID = getHardwareID();
+		std::string hashedID = hashSHA256(hardwareID);
+		std::string deviceID = getFixedLengthID(hashedID);
+		CString pwd = THIS_APP->m_iniFile.GetStr(settings, pwdKey, "");
+
+		dlg.m_sDeviceID = deviceID.c_str();
+		dlg.m_sPassword = pwd;
+		if (pwd.IsEmpty() && IDOK != dlg.DoModal() || dlg.m_sPassword.IsEmpty())
+			return;
+
+		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>20250209 - 20350209: SHA256
+		auto v = splitString(dlg.m_sPassword.GetBuffer(), '-');
+		if (v.size() != 6)
+		{
+			THIS_APP->m_iniFile.SetStr(settings, pwdKey, "");
+			MessageBox("<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!", "<EFBFBD><EFBFBD>ʾ", MB_ICONINFORMATION);
+			return;
+		}
+		std::vector<std::string> subvector(v.begin() + 2, v.end());
+		std::string password = v[0] + " - " + v[1] + ": " + PWD_HASH256;
+		std::string finalKey = deriveKey(password, deviceID);
+		std::string hash256 = joinString(subvector, '-');
+		std::string fixedKey = getFixedLengthID(finalKey);
+		if (hash256 != fixedKey) {
+			THIS_APP->m_iniFile.SetStr(settings, pwdKey, "");
+			if (pwd.IsEmpty() || (IDOK != dlg.DoModal() || hash256 != fixedKey)) {
+				if (!dlg.m_sPassword.IsEmpty())
+					MessageBox("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20>޷<EFBFBD><DEB7><EFBFBD><EFBFBD>ɷ<EFBFBD><C9B7><EFBFBD><EFBFBD><EFBFBD>!", "<EFBFBD><EFBFBD>ʾ", MB_ICONWARNING);
+				return;
+			}
+		}
+		// <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
+		auto pekingTime = ToPekingTime(nullptr);
+		char curDate[9];
+		std::strftime(curDate, sizeof(curDate), "%Y%m%d", &pekingTime);
+		if (curDate < v[0] || curDate > v[1]) {
+			THIS_APP->m_iniFile.SetStr(settings, pwdKey, "");
+			MessageBox("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!", "<EFBFBD><EFBFBD>ʾ", MB_ICONINFORMATION);
+			return;
+		}
+		if (dlg.m_sPassword != pwd)
+			THIS_APP->m_iniFile.SetStr(settings, pwdKey, dlg.m_sPassword);
+	}
 	// TODO: <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EEB4A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 	CBuildDlg Dlg;
 	Dlg.m_strIP = ((CMy2015RemoteApp*)AfxGetApp())->m_iniFile.GetStr("settings", "localIp", "");
-	CString Port;
-	Port.Format("%d", ((CMy2015RemoteApp*)AfxGetApp())->m_iniFile.GetInt("settings", "ghost"));
-	Dlg.m_strPort = Port;
-	Dlg.DoModal();
+	int Port = ((CMy2015RemoteApp*)AfxGetApp())->m_iniFile.GetInt("settings", "ghost");
+	Dlg.m_strPort = Port <= 0 ? "6543" : std::to_string(Port).c_str();
+	if (IDOK == Dlg.DoModal() && n > 0) {
+		UpdateFreeTrial(n - 1);
+	}
 }
 
 

server/2015Remote/2015Remote_vs2015.vcxproj

@@ -240,6 +240,7 @@
     <ClInclude Include="AudioDlg.h" />
     <ClInclude Include="Buffer.h" />
     <ClInclude Include="BuildDlg.h" />
+    <ClInclude Include="CPasswordDlg.h" />
     <ClInclude Include="CpuUseage.h" />
     <ClInclude Include="EditDialog.h" />
     <ClInclude Include="FileManagerDlg.h" />
@@ -248,6 +249,7 @@
     <ClInclude Include="InputDlg.h" />
     <ClInclude Include="IOCPServer.h" />
     <ClInclude Include="KeyBoardDlg.h" />
+    <ClInclude Include="pwd_gen.h" />
     <ClInclude Include="RegisterDlg.h" />
     <ClInclude Include="Resource.h" />
     <ClInclude Include="ScreenSpyDlg.h" />
@@ -270,6 +272,7 @@
     <ClCompile Include="AudioDlg.cpp" />
     <ClCompile Include="Buffer.cpp" />
     <ClCompile Include="BuildDlg.cpp" />
+    <ClCompile Include="CPasswordDlg.cpp" />
     <ClCompile Include="CpuUseage.cpp" />
     <ClCompile Include="EditDialog.cpp" />
     <ClCompile Include="FileManagerDlg.cpp" />
@@ -278,6 +281,7 @@
     <ClCompile Include="InputDlg.cpp" />
     <ClCompile Include="IOCPServer.cpp" />
     <ClCompile Include="KeyBoardDlg.cpp" />
+    <ClCompile Include="pwd_gen.cpp" />
     <ClCompile Include="RegisterDlg.cpp" />
     <ClCompile Include="ScreenSpyDlg.cpp" />
     <ClCompile Include="ServicesDlg.cpp" />
@@ -306,6 +310,7 @@
     <Image Include="res\Bitmap_5.bmp" />
     <Image Include="res\delete.bmp" />
     <Image Include="res\keyboard.ico" />
+    <Image Include="res\password.ico" />
     <Image Include="res\toolbar1.bmp" />
     <Image Include="res\toolbar2.bmp" />
     <Image Include="res\update.bmp" />

server/2015Remote/CPasswordDlg.cpp

@@ -0,0 +1,52 @@
+// CPasswordDlg.cpp: 实现文件
+//
+
+#include "stdafx.h"
+#include "CPasswordDlg.h"
+#include "afxdialogex.h"
+#include "pwd_gen.h"
+#include "2015Remote.h"
+
+// CPasswordDlg 对话框
+
+IMPLEMENT_DYNAMIC(CPasswordDlg, CDialogEx)
+
+CPasswordDlg::CPasswordDlg(CWnd* pParent /*=nullptr*/)
+	: CDialogEx(IDD_DIALOG_PASSWORD, pParent)
+	, m_sDeviceID(_T(""))
+	, m_sPassword(_T(""))
+{
+
+}
+
+CPasswordDlg::~CPasswordDlg()
+{
+}
+
+void CPasswordDlg::DoDataExchange(CDataExchange* pDX)
+{
+	CDialogEx::DoDataExchange(pDX);
+	DDX_Control(pDX, IDC_EDIT_DEVICEID, m_EditDeviceID);
+	DDX_Control(pDX, IDC_EDIT_DEVICEPWD, m_EditPassword);
+	DDX_Text(pDX, IDC_EDIT_DEVICEID, m_sDeviceID);
+	DDV_MaxChars(pDX, m_sDeviceID, 19);
+	DDX_Text(pDX, IDC_EDIT_DEVICEPWD, m_sPassword);
+	DDV_MaxChars(pDX, m_sPassword, 37);
+}
+
+
+BEGIN_MESSAGE_MAP(CPasswordDlg, CDialogEx)
+END_MESSAGE_MAP()
+
+
+BOOL CPasswordDlg::OnInitDialog()
+{
+	CDialogEx::OnInitDialog();
+
+	// TODO:  在此添加额外的初始化
+	m_hIcon = LoadIcon(AfxGetInstanceHandle(), MAKEINTRESOURCE(IDI_ICON_PASSWORD));
+	SetIcon(m_hIcon, FALSE);
+
+	return TRUE;  // return TRUE unless you set the focus to a control
+				  // 异常: OCX 属性页应返回 FALSE
+}

server/2015Remote/CPasswordDlg.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <afx.h>
+#include <afxwin.h>
+#include "Resource.h"
+
+// 密码的哈希值
+#define PWD_HASH256 "61f04dd637a74ee34493fc1025de2c131022536da751c29e3ff4e9024d8eec43"
+
+// CPasswordDlg 对话框
+
+class CPasswordDlg : public CDialogEx
+{
+	DECLARE_DYNAMIC(CPasswordDlg)
+
+public:
+	CPasswordDlg(CWnd* pParent = nullptr);   // 标准构造函数
+	virtual ~CPasswordDlg();
+
+	enum { IDD = IDD_DIALOG_PASSWORD };
+
+protected:
+	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持
+
+	DECLARE_MESSAGE_MAP()
+public:
+	HICON m_hIcon;
+	CEdit m_EditDeviceID;
+	CEdit m_EditPassword;
+	CString m_sDeviceID;
+	CString m_sPassword;
+	virtual BOOL OnInitDialog();
+};

server/2015Remote/pwd_gen.cpp

@@ -0,0 +1,117 @@
+#include "stdafx.h"
+#include "pwd_gen.h"
+
+#pragma comment(lib, "Advapi32.lib")
+
+// ִ<><D6B4>ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD><EEA3AC>ȡӲ<C8A1><D3B2><EFBFBD><EFBFBD>Ϣ
+std::string execCommand(const char* cmd) {
+	// <20><><EFBFBD>ùܵ<C3B9><DCB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	SECURITY_ATTRIBUTES saAttr;
+	saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
+	saAttr.bInheritHandle = TRUE;
+	saAttr.lpSecurityDescriptor = NULL;
+
+	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺܵ<C4B9>
+	HANDLE hStdOutRead, hStdOutWrite;
+	if (!CreatePipe(&hStdOutRead, &hStdOutWrite, &saAttr, 0)) {
+		Mprintf("CreatePipe failed with error: %d\n", GetLastError());
+		return "ERROR";
+	}
+
+	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
+	STARTUPINFO si = { sizeof(si) };
+	PROCESS_INFORMATION pi;
+
+	// <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
+	si.wShowWindow = SW_HIDE;
+	si.hStdOutput = hStdOutWrite;  // <20><><EFBFBD><EFBFBD>׼<EFBFBD><D7BC><EFBFBD><EFBFBD><EFBFBD>ض<EFBFBD><D8B6>򵽹ܵ<F2B5BDB9>
+
+	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	if (!CreateProcess(
+		NULL,          // Ӧ<>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		(LPSTR)cmd,    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		NULL,          // <20><><EFBFBD>̰<EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD>
+		NULL,          // <20>̰߳<DFB3>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD>
+		TRUE,          // <20>Ƿ<EFBFBD><C7B7>̳о<CCB3><D0BE><EFBFBD>
+		0,             // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
+		NULL,          // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		NULL,          // <20><>ǰĿ¼
+		&si,           // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
+		&pi            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
+	)) {
+		Mprintf("CreateProcess failed with error: %d\n", GetLastError());
+		return "ERROR";
+	}
+
+	// <20>ر<EFBFBD>д<EFBFBD><D0B4><EFBFBD>˾<EFBFBD><CBBE><EFBFBD>
+	CloseHandle(hStdOutWrite);
+
+	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	char buffer[128];
+	std::string result = "";
+	DWORD bytesRead;
+	while (ReadFile(hStdOutRead, buffer, sizeof(buffer), &bytesRead, NULL) && bytesRead > 0) {
+		result.append(buffer, bytesRead);
+	}
+
+	// <20>رն<D8B1>ȡ<EFBFBD>˾<EFBFBD><CBBE><EFBFBD>
+	CloseHandle(hStdOutRead);
+
+	// <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	WaitForSingleObject(pi.hProcess, INFINITE);
+
+	// <20>رս<D8B1><D5BD>̺<EFBFBD><CCBA>߳̾<DFB3><CCBE><EFBFBD>
+	CloseHandle(pi.hProcess);
+	CloseHandle(pi.hThread);
+
+	// ȥ<><C8A5><EFBFBD><EFBFBD><EFBFBD>з<EFBFBD><D0B7>Ϳո<CDBF>
+	result.erase(remove(result.begin(), result.end(), '\n'), result.end());
+	result.erase(remove(result.begin(), result.end(), '\r'), result.end());
+
+	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	return result;
+}
+
+// <20><>ȡӲ<C8A1><D3B2> ID<49><44>CPU + <20><><EFBFBD><EFBFBD> + Ӳ<>̣<EFBFBD>
+std::string getHardwareID() {
+	std::string cpuID = execCommand("wmic cpu get processorid");
+	std::string boardID = execCommand("wmic baseboard get serialnumber");
+	std::string diskID = execCommand("wmic diskdrive get serialnumber");
+
+	std::string combinedID = cpuID + "|" + boardID + "|" + diskID;
+	return combinedID;
+}
+
+// ʹ<><CAB9> SHA-256 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ
+std::string hashSHA256(const std::string& data) {
+	HCRYPTPROV hProv;
+	HCRYPTHASH hHash;
+	BYTE hash[32];
+	DWORD hashLen = 32;
+	std::ostringstream result;
+
+	if (CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_AES, CRYPT_VERIFYCONTEXT) &&
+		CryptCreateHash(hProv, CALG_SHA_256, 0, 0, &hHash)) {
+
+		CryptHashData(hHash, (BYTE*)data.c_str(), data.length(), 0);
+		CryptGetHashParam(hHash, HP_HASHVAL, hash, &hashLen, 0);
+
+		for (DWORD i = 0; i < hashLen; i++) {
+			result << std::hex << std::setw(2) << std::setfill('0') << (int)hash[i];
+		}
+
+		CryptDestroyHash(hHash);
+		CryptReleaseContext(hProv, 0);
+	}
+	return result.str();
+}
+
+// <20><><EFBFBD><EFBFBD> 16 <20>ַ<EFBFBD><D6B7><EFBFBD>Ψһ<CEA8>豸 ID
+std::string getFixedLengthID(const std::string& hash) {
+	return hash.substr(0, 4) + "-" + hash.substr(4, 4) + "-" + hash.substr(8, 4) + "-" + hash.substr(12, 4);
+}
+
+std::string deriveKey(const std::string& password, const std::string& hardwareID) {
+	return hashSHA256(password + " + " + hardwareID);
+}

server/2015Remote/pwd_gen.h

@@ -0,0 +1,20 @@
+#pragma once
+#include "stdafx.h"
+#include <iostream>
+#include <string>
+#include <vector>
+#include <sstream>
+#include <iomanip>
+#include <wincrypt.h>
+
+
+// <20><><EFBFBD><EFBFBD><EFBFBD>ɷ<EFBFBD><C9B7><EFBFBD><EFBFBD>˹<EFBFBD><CBB9>ܽ<EFBFBD><DCBD>м<EFBFBD><D0BC><EFBFBD>
+
+std::string getHardwareID();
+
+std::string hashSHA256(const std::string& data);
+
+std::string getFixedLengthID(const std::string& hash);
+
+std::string deriveKey(const std::string& password, const std::string& hardwareID);
+