Small optimization

src/Main.cpp

@@ -8,7 +8,7 @@ namespace Main
 	{
 		Main::EntryPointHook.Uninstall();
 
-		Utils::Cryptography::Rand::Initialize();
+		Utils::Cryptography::Initialize();
 		Components::Loader::Initialize();
 
 #if defined(DEBUG) || defined(FORCE_UNIT_TESTS)

src/Utils/Cryptography.cpp

@@ -6,6 +6,11 @@ namespace Utils
 {
 	namespace Cryptography
 	{
+		void Initialize()
+		{
+			TDES::Initialize();
+			Rand::Initialize();
+		}
 
 #pragma region Rand
 
@@ -117,6 +122,69 @@ namespace Utils
 
 #pragma endregion
 
+#pragma region TDES
+
+		void TDES::Initialize()
+		{
+			register_cipher(&des3_desc);
+		}
+
+		std::string TDES::Encrypt(std::string text, std::string iv, std::string key)
+		{
+			std::string encData;
+			encData.resize(text.size());
+
+			symmetric_CBC cbc;
+			int des3 = find_cipher("3des");
+
+			cbc_start(des3, reinterpret_cast<const uint8_t*>(iv.data()), reinterpret_cast<const uint8_t*>(key.data()), key.size(), 0, &cbc);
+			cbc_encrypt(reinterpret_cast<const uint8_t*>(text.data()), reinterpret_cast<uint8_t*>(const_cast<char*>(encData.data())), text.size(), &cbc);
+			cbc_done(&cbc);
+
+			return encData;
+		}
+
+		std::string TDES::Decrpyt(std::string data, std::string iv, std::string key)
+		{
+			std::string decData;
+			decData.resize(data.size());
+
+			symmetric_CBC cbc;
+			int des3 = find_cipher("3des");
+
+			cbc_start(des3, reinterpret_cast<const uint8_t*>(iv.data()), reinterpret_cast<const uint8_t*>(key.data()), key.size(), 0, &cbc);
+			cbc_decrypt(reinterpret_cast<const uint8_t*>(data.data()), reinterpret_cast<uint8_t*>(const_cast<char*>(decData.data())), data.size(), &cbc);
+			cbc_done(&cbc);
+
+			return decData;
+		}
+
+#pragma endregion
+
+#pragma region Tiger
+
+		std::string Tiger::Compute(std::string data, bool hex)
+		{
+			return Tiger::Compute(reinterpret_cast<const uint8_t*>(data.data()), data.size(), hex);
+		}
+
+		std::string Tiger::Compute(const uint8_t* data, size_t length, bool hex)
+		{
+			uint8_t buffer[24] = { 0 };
+
+			hash_state state;
+			tiger_init(&state);
+			tiger_process(&state, data, length);
+			tiger_done(&state, buffer);
+
+			std::string hash(reinterpret_cast<char*>(buffer), sizeof(buffer));
+			if (!hex) return hash;
+
+			return Utils::DumpHex(hash, "");
+		}
+
+#pragma endregion
+
 #pragma region SHA256
 
 		std::string SHA256::Compute(std::string data, bool hex)

src/Utils/Cryptography.hpp

@@ -2,6 +2,8 @@ namespace Utils
 {
 	namespace Cryptography
 	{
+		void Initialize();
+
 		class Token
 		{
 		public:
@@ -283,6 +285,21 @@ namespace Utils
 			static bool VerifyMessage(Key key, std::string message, std::string signature);
 		};
 
+		class TDES
+		{
+		public:
+			static void Initialize();
+			static std::string Encrypt(std::string text, std::string iv, std::string key);
+			static std::string Decrpyt(std::string text, std::string iv, std::string key);
+		};
+
+		class Tiger
+		{
+		public:
+			static std::string Compute(std::string data, bool hex = false);
+			static std::string Compute(const uint8_t* data, size_t length, bool hex = false);
+		};
+
 		class SHA256
 		{
 		public:

src/Utils/Hooking.cpp

@@ -5,6 +5,45 @@ namespace Utils
 	std::map<void*, void*> Hook::Interceptor::IReturn;
 	std::map<void*, void(*)()> Hook::Interceptor::ICallbacks;
 
+	void Hook::Signature::Process()
+	{
+		if (Hook::Signature::Signatures.empty()) return;
+
+		char* start = reinterpret_cast<char*>(Hook::Signature::Start);
+
+		unsigned int sigCount = Hook::Signature::Signatures.size();
+		Hook::Signature::Container* containers = Hook::Signature::Signatures.data();
+
+		for (size_t i = 0; i < Hook::Signature::Length; ++i)
+		{
+			char* address = start + i;
+
+			for (unsigned int k = 0; k < sigCount; ++k)
+			{
+				Hook::Signature::Container* container = &containers[k];
+
+				unsigned int j = 0;
+				for (j = 0; j < strlen(container->Mask); ++j)
+				{
+					if (container->Mask[j] != '?' &&container->Signature[j] != address[j])
+					{
+						break;
+					}
+				}
+
+				if (j == strlen(container->Mask))
+				{
+					container->Callback(address);
+				}
+			}
+		}
+	}
+
+	void Hook::Signature::Add(Hook::Signature::Container& container)
+	{
+		Hook::Signature::Signatures.push_back(container);
+	}
+
 	void Hook::Interceptor::Install(void* place, void(*stub)())
 	{
 		return Hook::Interceptor::Install(reinterpret_cast<void**>(place), stub);

src/Utils/Hooking.hpp

@@ -8,6 +8,29 @@ namespace Utils
 	class Hook
 	{
 	public:
+		class Signature
+		{
+		public:
+			struct Container
+			{
+				const char* Signature;
+				const char* Mask;
+				std::function<void(char*)> Callback;
+			};
+
+			Signature(void* start, size_t length) : Start(start), Length(length) {}
+			Signature(DWORD start, size_t length) : Signature(reinterpret_cast<void*>(start), length) {}
+			Signature() : Signature(0x400000, 0x800000) {}
+
+			void Process();
+			void Add(Container& container);
+
+		private:
+			void* Start;
+			size_t Length;
+			std::vector<Container> Signatures;
+		};
+
 		class Interceptor
 		{
 		public: