Function start

Telegram/SourceFiles/core/utils.cpp:58–85

namespace ThirdParty {

	void start() {
		Platform::ThirdParty::start();

		if (!RAND_status()) { // should be always inited in all modern OS
			const auto FeedSeed = [](auto value) {
				RAND_seed(&value, sizeof(value));
			};
#ifdef Q_OS_WIN
			LARGE_INTEGER li;
			QueryPerformanceFrequency(&li);
			FeedSeed(li.QuadPart);
			QueryPerformanceCounter(&li);
			FeedSeed(li.QuadPart);
#elif defined Q_OS_MAC
			mach_timebase_info_data_t tb = { 0 };
			mach_timebase_info(&tb);
			FeedSeed(tb);
			FeedSeed(mach_absolute_time());
#else
			timespec ts = { 0 };
			clock_gettime(CLOCK_MONOTONIC, &ts);
			FeedSeed(ts);
#endif
			if (!RAND_status()) {
				LOG(("MTP Error: Could not init OpenSSL rand, RAND_status() is 0..."));
			}
		}
	}

	void finish() {
#if OPENSSL_VERSION_NUMBER >= 0x30000000L