diff options
Diffstat (limited to 'openssl/apps/winrand.c')
| -rw-r--r-- | openssl/apps/winrand.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/openssl/apps/winrand.c b/openssl/apps/winrand.c new file mode 100644 index 000000000..59bede3d7 --- /dev/null +++ b/openssl/apps/winrand.c @@ -0,0 +1,148 @@ +/* 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); + } |