| /* apps/winrand.c */ |
| /* ==================================================================== |
| * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| |
| /* 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); |
| } |