fix: invalid null usage

CMakeLists.txt

@@ -82,6 +82,10 @@ if (TINYMITM_LOGS OR $CACHE{TINYMITM_LOGS})
     target_compile_definitions(tinymitm PUBLIC TINYMITM_LOGS)
 endif()
 
+if (WIN32)
+    target_link_libraries(tinymitm PRIVATE crypt32)
+endif()
+
 # ------------------------------
 # test
 # ------------------------------

src/proxy/tinymitm/ssl.cpp

@@ -13,13 +13,12 @@
 #ifdef _WIN32
     #include <windows.h>
     #include <wincrypt.h>
-    #pragma comment(lib, "crypt32.lib")
 #endif
 
 /*
     CertificateManager implementation
 */
-CertificateManager::CertificateManager() : _rng(new WC_RNG()), _caKey(nullptr), _sessionKey(nullptr) {}
+CertificateManager::CertificateManager() : _caKey(nullptr), _sessionKey(nullptr), _rng(new WC_RNG()) {}
 
 CertificateManager::~CertificateManager()
 {
@@ -148,7 +147,7 @@ bool CertificateManager::installCertificate()
                                                           (DWORD)_caCertDer.size());
 
     if (!certCtx) return false;
-    HCERTSTORE rootStore = CertOpenStore(CERT_STORE_PROV_SYSTEM, 0, NULL, CERT_SYSTEM_STORE_CURRENT_USER, L"Root");
+    HCERTSTORE rootStore = CertOpenStore(CERT_STORE_PROV_SYSTEM, 0, 0, CERT_SYSTEM_STORE_CURRENT_USER, L"Root");
     bool success = false;
     if (rootStore)
     {