checkIfdiskIsEncrypted.cpp

#include <shlobj.h>
#pragma comment(lib, "shell32.lib")
#pragma comment(lib, "propsys.lib")
#include <iostream>
#include <stdlib.h>
#include <stdio.h>
#include <string>
#include <vector>
#include <windows.h>
using namespace std;

wchar_t* convertCharArrayToLPCWSTR(const char* charArray)
{
    wchar_t* wString = new wchar_t[4096];
    MultiByteToWideChar(CP_ACP, 0, charArray, -1, wString, 4096);
    return wString;
}

bool getDriveEncryptionStatus(LPCWSTR parsingName)
{
    IShellItem2* drive = NULL;
    HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
    hr = SHCreateItemFromParsingName(parsingName, NULL, IID_PPV_ARGS(&drive));
    if (SUCCEEDED(hr))
    {
        PROPERTYKEY pKey;
        hr = PSGetPropertyKeyFromName(L"System.Volume.BitLockerProtection", &pKey);
        if (SUCCEEDED(hr))
        {
            PROPVARIANT prop;
            PropVariantInit(&prop);
            hr = drive->GetProperty(pKey, &prop);
            if (SUCCEEDED(hr))
            {
                int status = prop.intVal;
                drive->Release();
                if (status == 1 || status == 3 || status == 5)
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }
    }
    if (drive)
    {
        drive->Release();
    }
    return false;
}

int main(void)
{
    cout << "Is disk C: encrypted : " << getDriveEncryptionStatus(convertCharArrayToLPCWSTR("C:")) << endl;
    cout << "Is disk D: encrypted : " << getDriveEncryptionStatus(convertCharArrayToLPCWSTR("D:")) << endl;
    cout << "Is disk G: encrypted : " << getDriveEncryptionStatus(convertCharArrayToLPCWSTR("G:")) << endl;
    system("pause");
}