Optimize rng (ddos protection)

src/Components/Loader.cpp

@@ -74,9 +74,7 @@ namespace Components
 			auto startTime = std::chrono::high_resolution_clock::now();
 			bool testRes = component->UnitTest();
 			auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - startTime).count();
-
+			Logger::Print("Test done (%llims): %s\n\n", duration, (testRes ? "Success" : "Error"));
-
-			Logger::Print("Test done (%llims): %s\n\n", duration, (testRes ? "Success" : "Error"));//
 			result &= testRes;
 		}
 

src/Components/Modules/Node.cpp

@@ -766,6 +766,20 @@ namespace Components
 		}
 
 		printf("Success\n");
+
+		uint32_t randIntCount = 4'000'000;
+		printf("Generating %d random integers...", randIntCount);
+
+		auto startTime = std::chrono::high_resolution_clock::now();
+
+		for (uint32_t i = 0; i < randIntCount; ++i)
+		{
+			Utils::Cryptography::Rand::GenerateInt();
+		}
+
+		auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - startTime).count();
+		Logger::Print("took %llims\n", duration);
+
 		return true;
 	}
 }

src/Utils/Cryptography.cpp

@@ -10,15 +10,40 @@ namespace Utils
 
 		uint32_t Rand::GenerateInt()
 		{
-			size_t length = 0;
+			static int length = 0;
-			uint8_t buffer[4] = { 0 };
+			static int time = 0;
+			static int access = 0;
+			static uint8_t randPool[2048] = { 0 };
 
-			while (length != 4)
+			int mseconds = Game::Com_Milliseconds();
+
+			if ((mseconds - time) > (1000 * 60 * 5) || (access > (sizeof(randPool) * 30)))
 			{
-				length = sprng_read(buffer, sizeof(buffer), NULL);
+				access = 0;
+				length = 0;
 			}
 
-			return *reinterpret_cast<uint32_t*>(buffer);
+			while (length != sizeof(randPool))
+			{
+				length += sprng_read(randPool, sizeof(randPool), NULL);
+			}
+
+			uint8_t numberBuf[4] = { 0 };
+
+			for (int i = 0; i < sizeof(numberBuf); ++i)
+			{
+				numberBuf[i] = randPool[(rand() + mseconds + i + numberBuf[(i > 0 ? (i - 1) : 0)]) % sizeof(randPool)];
+			}
+
+			uint32_t num = *reinterpret_cast<uint32_t*>(numberBuf);
+
+			if (!(access % 100))
+			{
+				srand(num);
+			}
+
+			access++;
+			return num;
 		}
 
 #pragma endregion