Zcalanie ręczne. Jak git nie chce po dobroci to będzie siłą

EncryptionManager.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <sodium.h>
+#include <vector>
+#include <array>
+#include <stdexcept>
+#include <fstream>
+#include <ctime>
+#include <iostream>
+#include <xxhash.h>
+#include <sstream>
+#include <iomanip>
+#include <algorithm>
+
+#include "DataStruct.h"
+
+class EncryptionManager
+{
+public:
+	EncryptionManager();
+	~EncryptionManager() = default;
+
+	std::vector<char> encrypt(const std::vector<char>&);
+	std::vector<char> decrypt(const std::vector<char>&);
+
+	void saveKey(const std::string&, bool);
+	void loadKey(const std::string&);
+
+private:
+	std::array<unsigned char, crypto_stream_chacha20_ietf_KEYBYTES> key{};
+	bool keyReady;
+
+	void generateKeys();
+	std::string toHex(const unsigned char*, size_t);
+	void saveCppHeadFile(const std::string&);
+
+	template <size_t N>
+	std::array<unsigned char, N> toArray(const std::vector<char>& vec) {
+		if (vec.size() < N) {
+			throw std::runtime_error("Too small vector to convert to array");
+		}
+
+		std::array<unsigned char, N> arr{};
+		std::memcpy(arr.data(), vec.data(), N);
+		return arr;
+	}
+};