846e33c729
Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Kurt Roeckx <kurt@openssl.org>
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/*
|
|
* Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
/*-
|
|
* Usage: winrand [filename]
|
|
*
|
|
* Collects entropy from mouse movements and other events and writes
|
|
* random data to filename or .rnd
|
|
*/
|
|
|
|
#include <windows.h>
|
|
#include <openssl/opensslv.h>
|
|
#include <openssl/rand.h>
|
|
|
|
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
|
|
const char *filename;
|
|
|
|
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
|
|
PSTR cmdline, int iCmdShow)
|
|
{
|
|
static char appname[] = "OpenSSL";
|
|
HWND hwnd;
|
|
MSG msg;
|
|
WNDCLASSEX wndclass;
|
|
char buffer[200];
|
|
|
|
if (cmdline[0] == '\0')
|
|
filename = RAND_file_name(buffer, sizeof buffer);
|
|
else
|
|
filename = cmdline;
|
|
|
|
RAND_load_file(filename, -1);
|
|
|
|
wndclass.cbSize = sizeof(wndclass);
|
|
wndclass.style = CS_HREDRAW | CS_VREDRAW;
|
|
wndclass.lpfnWndProc = WndProc;
|
|
wndclass.cbClsExtra = 0;
|
|
wndclass.cbWndExtra = 0;
|
|
wndclass.hInstance = hInstance;
|
|
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
|
|
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
|
|
wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
|
|
wndclass.lpszMenuName = NULL;
|
|
wndclass.lpszClassName = appname;
|
|
wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
|
|
RegisterClassEx(&wndclass);
|
|
|
|
hwnd = CreateWindow(appname, OPENSSL_VERSION_TEXT,
|
|
WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
|
|
CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance,
|
|
NULL);
|
|
|
|
ShowWindow(hwnd, iCmdShow);
|
|
UpdateWindow(hwnd);
|
|
|
|
while (GetMessage(&msg, NULL, 0, 0)) {
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
}
|
|
|
|
return msg.wParam;
|
|
}
|
|
|
|
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
HDC hdc;
|
|
PAINTSTRUCT ps;
|
|
RECT rect;
|
|
static int seeded = 0;
|
|
|
|
switch (iMsg) {
|
|
case WM_PAINT:
|
|
hdc = BeginPaint(hwnd, &ps);
|
|
GetClientRect(hwnd, &rect);
|
|
DrawText(hdc, "Seeding the PRNG. Please move the mouse!", -1,
|
|
&rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
|
|
EndPaint(hwnd, &ps);
|
|
return 0;
|
|
|
|
case WM_DESTROY:
|
|
PostQuitMessage(0);
|
|
return 0;
|
|
}
|
|
|
|
if (RAND_event(iMsg, wParam, lParam) == 1 && seeded == 0) {
|
|
seeded = 1;
|
|
if (RAND_write_file(filename) <= 0)
|
|
MessageBox(hwnd, "Couldn't write random file!",
|
|
"OpenSSL", MB_OK | MB_ICONERROR);
|
|
PostQuitMessage(0);
|
|
}
|
|
|
|
return DefWindowProc(hwnd, iMsg, wParam, lParam);
|
|
}
|