/*
* GetSystemPowerStatus function.
*/
-typedef BOOL (WINAPI *gsps_t)(LPSYSTEM_POWER_STATUS);
+typedef BOOL(WINAPI * gsps_t) (LPSYSTEM_POWER_STATUS);
static gsps_t gsps;
/*
* free space and a process snapshot.
*/
-void noise_get_heavy(void (*func) (void *, int)) {
+void noise_get_heavy(void (*func) (void *, int))
+{
HANDLE srch;
WIN32_FIND_DATA finddata;
- char winpath[MAX_PATH+3];
+ char winpath[MAX_PATH + 3];
HMODULE mod;
GetWindowsDirectory(winpath, sizeof(winpath));
gsps = NULL;
mod = GetModuleHandle("KERNEL32");
if (mod) {
- gsps = (gsps_t)GetProcAddress(mod, "GetSystemPowerStatus");
+ gsps = (gsps_t) GetProcAddress(mod, "GetSystemPowerStatus");
}
}
-void random_save_seed(void) {
+void random_save_seed(void)
+{
int len;
void *data;
- random_get_savedata(&data, &len);
- write_random_seed(data, len);
+ if (random_active) {
+ random_get_savedata(&data, &len);
+ write_random_seed(data, len);
+ }
}
/*
* stirring, and will acquire the system time in all available
* forms and the battery status.
*/
-void noise_get_light(void (*func) (void *, int)) {
+void noise_get_light(void (*func) (void *, int))
+{
SYSTEMTIME systime;
DWORD adjust[2];
BOOL rubbish;
* Call GetSystemPowerStatus if present.
*/
if (gsps) {
- if (gsps(&pwrstat))
- func(&pwrstat, sizeof(pwrstat));
+ if (gsps(&pwrstat))
+ func(&pwrstat, sizeof(pwrstat));
}
}
/*
+ * This function is called on a timer, and it will monitor
+ * frequently changing quantities such as the state of physical and
+ * virtual memory, the state of the process's message queue, which
+ * window is in the foreground, which owns the clipboard, etc.
+ */
+void noise_regular(void)
+{
+ HWND w;
+ DWORD z;
+ POINT pt;
+ MEMORYSTATUS memstat;
+ FILETIME times[4];
+
+ w = GetForegroundWindow();
+ random_add_noise(&w, sizeof(w));
+ w = GetCapture();
+ random_add_noise(&w, sizeof(w));
+ w = GetClipboardOwner();
+ random_add_noise(&w, sizeof(w));
+ z = GetQueueStatus(QS_ALLEVENTS);
+ random_add_noise(&z, sizeof(z));
+
+ GetCursorPos(&pt);
+ random_add_noise(&pt, sizeof(pt));
+
+ GlobalMemoryStatus(&memstat);
+ random_add_noise(&memstat, sizeof(memstat));
+
+ GetThreadTimes(GetCurrentThread(), times, times + 1, times + 2,
+ times + 3);
+ random_add_noise(×, sizeof(times));
+ GetProcessTimes(GetCurrentProcess(), times, times + 1, times + 2,
+ times + 3);
+ random_add_noise(×, sizeof(times));
+}
+
+/*
* This function is called on every keypress or mouse move, and
* will add the current Windows time and performance monitor
* counter to the noise pool. It gets the scan code or mouse
* position passed in.
*/
-void noise_ultralight(DWORD data) {
+void noise_ultralight(unsigned long data)
+{
DWORD wintime;
LARGE_INTEGER perftime;