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+/* Snippets extracted from https://github.com/Microsoft/openssl/blob/ec7e430e06e4e3ac87c183dee33cb216814cf980/ms/winrt.cpp
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+ * Adapted for Godot definitions
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+ */
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+/* winrt.cpp
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+ * Copyright 2014 Microsoft Corporation
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+ * C++/CX Entropy/shims for Windows Phone/Windows Store platform
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+ * written by Alejandro Jimenez Martinez
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+ * ([email protected]) for the OpenSSL project 2014.
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+ */
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+
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+#include <windows.h>
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+#if defined(WINAPI_FAMILY)
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+extern "C" {
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+unsigned entropyRT(BYTE *buffer, unsigned len);
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+void RAND_add(const void *buf, int num, double entropy);
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+int RAND_poll(void);
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+}
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+#endif
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+
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+unsigned entropyRT(BYTE *buffer, unsigned len) {
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+ using namespace Platform;
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+ using namespace Windows::Foundation;
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+ using namespace Windows::Foundation::Collections;
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+ using namespace Windows::Security::Cryptography;
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+ using namespace Windows::Storage::Streams;
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+ IBuffer ^ buf = CryptographicBuffer::GenerateRandom(len);
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+ Array<unsigned char> ^ arr;
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+ CryptographicBuffer::CopyToByteArray(buf, &arr);
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+ unsigned arrayLen = arr->Length;
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+
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+ // Make sure not to overflow the copy
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+ arrayLen = (arrayLen > len) ? len : arrayLen;
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+ memcpy(buffer, arr->Data, arrayLen);
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+ return arrayLen;
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+}
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+
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+int RAND_poll(void) {
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+ BYTE buf[60];
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+ unsigned collected = entropyRT(buf, sizeof(buf));
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+ RAND_add(buf, collected, collected);
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+ return 1;
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+}
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+
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+#if defined(WINRT_ENABLED)
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+extern "C" {
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+
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+void *GetModuleHandle(
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+ _In_opt_ LPCTSTR lpModuleName) {
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+ return NULL;
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+}
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+//no log for phone
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+int RegisterEventSource(
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+ _In_ LPCTSTR lpUNCServerName,
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+ _In_ LPCTSTR lpSourceName) {
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+ return NULL;
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+}
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+
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+int ReportEvent(
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+ _In_ HANDLE hEventLog,
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+ _In_ WORD wType,
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+ _In_ WORD wCategory,
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+ _In_ DWORD dwEventID,
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+ _In_ PSID lpUserSid,
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+ _In_ WORD wNumStrings,
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+ _In_ DWORD dwDataSize,
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+ _In_ LPCTSTR *lpStrings,
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+ _In_ LPVOID lpRawData) {
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+ return 0;
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+}
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+int MessageBox(
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+ _In_opt_ HWND hWnd,
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+ _In_opt_ LPCTSTR lpText,
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+ _In_opt_ LPCTSTR lpCaption,
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+ _In_ UINT uType) {
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+ return 0;
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+}
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+int __cdecl GetProcessWindowStation(void) {
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+ return NULL;
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+}
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+BOOL __cdecl GetUserObjectInformationW(
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+ _In_ HANDLE hObj,
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+ _In_ int nIndex,
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+ _Out_opt_ PVOID pvInfo,
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+ _In_ DWORD nLength,
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+ _Out_opt_ LPDWORD lpnLengthNeeded) {
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+ return 0;
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+}
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+int __cdecl GetStdHandle(
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+ _In_ DWORD nStdHandle) {
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+ return 0;
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+}
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+BOOL DeregisterEventSource(
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+ _Inout_ HANDLE hEventLog) {
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+ return 0;
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+}
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+char *getenv(
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+ const char *varname) {
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+ //hardcoded environmental variables used for the appx testing application for store/phone
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+ if (!strcmp(varname, "OPENSSL_CONF")) {
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+ return "./openssl.cnf";
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+ }
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+ return 0;
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+}
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+int setenv(const char *envname, const char *envval, int overwrite) {
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+ return -1;
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+}
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+int _getch(void) {
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+ return 0;
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+}
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+int _kbhit() {
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+ return 0;
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+}
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+BOOL __cdecl FlushConsoleInputBuffer(
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+ _In_ HANDLE hConsoleInput) {
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+ return 0;
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+}
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+int winrt_GetTickCount(void) {
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+ LARGE_INTEGER t;
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+ return (int)(QueryPerformanceCounter(&t) ? t.QuadPart : 0);
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+}
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+void *OPENSSL_UplinkTable[26] = { 0 };
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+} //extern C
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+
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+#endif /*defined(WINRT_ENABLED)*/
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George Marques