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148 lines
5.0 KiB
148 lines
5.0 KiB
/* apps/winrand.c */
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/* ====================================================================
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* Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* Usage: winrand [filename]
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*
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* Collects entropy from mouse movements and other events and writes
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* random data to filename or .rnd
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*/
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#include <windows.h>
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#include <openssl/opensslv.h>
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#include <openssl/rand.h>
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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const char *filename;
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int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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PSTR cmdline, int iCmdShow)
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{
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static char appname[] = "OpenSSL";
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HWND hwnd;
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MSG msg;
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WNDCLASSEX wndclass;
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char buffer[200];
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if (cmdline[0] == '\0')
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filename = RAND_file_name(buffer, sizeof buffer);
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else
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filename = cmdline;
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RAND_load_file(filename, -1);
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wndclass.cbSize = sizeof(wndclass);
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wndclass.style = CS_HREDRAW | CS_VREDRAW;
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wndclass.lpfnWndProc = WndProc;
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wndclass.cbClsExtra = 0;
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wndclass.cbWndExtra = 0;
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wndclass.hInstance = hInstance;
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wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
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wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
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wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
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wndclass.lpszMenuName = NULL;
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wndclass.lpszClassName = appname;
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wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
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RegisterClassEx(&wndclass);
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hwnd = CreateWindow(appname, OPENSSL_VERSION_TEXT,
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WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);
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ShowWindow(hwnd, iCmdShow);
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UpdateWindow(hwnd);
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while (GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return msg.wParam;
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}
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LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
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{
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HDC hdc;
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PAINTSTRUCT ps;
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RECT rect;
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static int seeded = 0;
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switch (iMsg)
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{
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case WM_PAINT:
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hdc = BeginPaint(hwnd, &ps);
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GetClientRect(hwnd, &rect);
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DrawText(hdc, "Seeding the PRNG. Please move the mouse!", -1,
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&rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
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EndPaint(hwnd, &ps);
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return 0;
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case WM_DESTROY:
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PostQuitMessage(0);
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return 0;
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}
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if (RAND_event(iMsg, wParam, lParam) == 1 && seeded == 0)
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{
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seeded = 1;
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if (RAND_write_file(filename) <= 0)
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MessageBox(hwnd, "Couldn't write random file!",
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"OpenSSL", MB_OK | MB_ICONERROR);
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PostQuitMessage(0);
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}
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return DefWindowProc(hwnd, iMsg, wParam, lParam);
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}
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