diff options
Diffstat (limited to 'tools/plink/winnoise.c')
-rw-r--r-- | tools/plink/winnoise.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/tools/plink/winnoise.c b/tools/plink/winnoise.c deleted file mode 100644 index bdf869719..000000000 --- a/tools/plink/winnoise.c +++ /dev/null @@ -1,128 +0,0 @@ -/*
- * Noise generation for PuTTY's cryptographic random number
- * generator.
- */
-
-#include <stdio.h>
-
-#include "putty.h"
-#include "ssh.h"
-#include "storage.h"
-
-/*
- * This function is called once, at PuTTY startup, and will do some
- * seriously silly things like listing directories and getting disk
- * free space and a process snapshot.
- */
-
-void noise_get_heavy(void (*func) (void *, int))
-{
- HANDLE srch;
- WIN32_FIND_DATA finddata;
- DWORD pid;
- char winpath[MAX_PATH + 3];
-
- GetWindowsDirectory(winpath, sizeof(winpath));
- strcat(winpath, "\\*");
- srch = FindFirstFile(winpath, &finddata);
- if (srch != INVALID_HANDLE_VALUE) {
- do {
- func(&finddata, sizeof(finddata));
- } while (FindNextFile(srch, &finddata));
- FindClose(srch);
- }
-
- pid = GetCurrentProcessId();
- func(&pid, sizeof(pid));
-
- read_random_seed(func);
- /* Update the seed immediately, in case another instance uses it. */
- random_save_seed();
-}
-
-void random_save_seed(void)
-{
- int len;
- void *data;
-
- if (random_active) {
- random_get_savedata(&data, &len);
- write_random_seed(data, len);
- sfree(data);
- }
-}
-
-/*
- * This function is called every time the random pool needs
- * stirring, and will acquire the system time in all available
- * forms.
- */
-void noise_get_light(void (*func) (void *, int))
-{
- SYSTEMTIME systime;
- DWORD adjust[2];
- BOOL rubbish;
-
- GetSystemTime(&systime);
- func(&systime, sizeof(systime));
-
- GetSystemTimeAdjustment(&adjust[0], &adjust[1], &rubbish);
- func(&adjust, sizeof(adjust));
-}
-
-/*
- * 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(unsigned long data)
-{
- DWORD wintime;
- LARGE_INTEGER perftime;
-
- random_add_noise(&data, sizeof(DWORD));
-
- wintime = GetTickCount();
- random_add_noise(&wintime, sizeof(DWORD));
-
- if (QueryPerformanceCounter(&perftime))
- random_add_noise(&perftime, sizeof(perftime));
-}
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