Funcction of shifring file

#pragma once
#include <fstream>
#include <string>

void CreateFile(const std::string& path) noexcept {
    std::ofstream file(path, std::ios_base::app);
    file.close();
}

bool ShifrFile(const std::string& path,
    uint8_t(*const ShifrFunc)(const uint8_t)) noexcept {
    std::fstream file(path, std::ios_base::binary
        | std::ios_base::in | std::ios_base::out);

    if (!file.is_open()) return false;

    for (size_t i = 0; file; ++i)
    {
        uint8_t v = ShifrFunc(file.seekg(i).get());
        file.seekp(i).put(v);
    }

    file.close();
    return true;
}