Function hex_encode

cpp/testapps/cppWindowsRunnerGame/main.cpp:213–225

}

std::string hex_encode(unsigned char* data, size_t len)
{
    std::stringstream ss;
    ss << std::hex << std::setfill('0');
    for (size_t i = 0; i < len; i++)
    {
        // Cast data[i] to an int so that it uses the int-based overload of the << operator.
        // If it uses the char-based overload then it's going to treat data[i] as a printable character.
        // See: [https://arstechnica.com/civis/viewtopic.php?t=796634](https://arstechnica.com/civis/viewtopic.php?t=796634)
        ss << std::setw(2) << static_cast<unsigned int>(data[i]);
    }
    return ss.str();
}

bool DoesCertificateExist(std::string expectedThumbprint)
{