2 files changed, 9 insertions, 0 deletions
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index d844531071..59f55b5dd2 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -46,6 +46,7 @@
 #include "windows_terminal_logger.h"
 
 #include <avrt.h>
+#include <bcrypt.h>
 #include <direct.h>
 #include <knownfolders.h>
 #include <process.h>
@@ -192,6 +193,12 @@ void OS_Windows::finalize_core() {
 	NetSocketPosix::cleanup();
 }
 
+Error OS_Windows::get_entropy(uint8_t *r_buffer, int p_bytes) {
+	NTSTATUS status = BCryptGenRandom(nullptr, r_buffer, p_bytes, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
+	ERR_FAIL_COND_V(status, FAILED);
+	return OK;
+}
+
 Error OS_Windows::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
 	String path = p_path.replace("/", "\\");
 
diff --git a/platform/windows/os_windows.h b/platform/windows/os_windows.h
index 0a11416b1b..bde663a27b 100644
--- a/platform/windows/os_windows.h
+++ b/platform/windows/os_windows.h
@@ -106,6 +106,8 @@ protected:
 public:
 	virtual void alert(const String &p_alert, const String &p_title = "ALERT!") override;
 
+	virtual Error get_entropy(uint8_t *r_buffer, int p_bytes) override;
+
 	virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false) override;
 	virtual Error close_dynamic_library(void *p_library_handle) override;
 	virtual Error get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional = false) override;