Function DoesCertificateExist

cpp/testapps/cppWindowsRunnerGame/main.cpp:227–301

}

bool DoesCertificateExist(std::string expectedThumbprint)
{
    bool exist = false;
    HCERTSTORE hCertStore = CertOpenStore(
        CERT_STORE_PROV_SYSTEM,
        0,
        NULL,
        CERT_SYSTEM_STORE_LOCAL_MACHINE,
        L"MY"
    );

    if (!hCertStore)
    {
        return exist;
    }

    DWORD dwPropId = 0;
    char pszNameString[256];
    char pszStoreName[256];
    void*            pvData;
    DWORD            cbData;
    PCCERT_CONTEXT   pCertContext = NULL;
    while (pCertContext = CertEnumCertificatesInStore(
        hCertStore,
        pCertContext))
    {
        while (dwPropId = CertEnumCertificateContextProperties(
            pCertContext,
            dwPropId))
        {
            if (dwPropId != CERT_SHA1_HASH_PROP_ID)
            {
                continue;
            }

            if (!CertGetCertificateContextProperty(
                pCertContext,
                dwPropId,
                NULL,
                &cbData))
            {
                printf("Call #1 to GetCertContextProperty failed.");
                fflush(stdout);
                continue;
            }

            pvData = (void*)malloc(cbData);
            if (!CertGetCertificateContextProperty(
                pCertContext,
                dwPropId,
                pvData,
                &cbData))
            {
                free(pvData);
                continue;
            }

            std::string value = hex_encode((BYTE*)pvData, cbData);