Method MbedTlsSharedState

src/SFML/Network/TcpSocket.cpp:347–378

struct MbedTlsSharedState
{
    MbedTlsSharedState()
    {
#if (MBEDTLS_VERSION_MAJOR < 4)
        // Initialize crypto library in Mbed TLS 3.x.x and earlier
        mbedtls_entropy_init(&entropyContext);
        mbedtls_ctr_drbg_init(&ctrDrbgContext);

        // We use a personalization string as a cheap way to minimally seed the RNG in case entropy is low
        static const auto personalizationString = "sfml-network-" + std::string(sf::version().string) +
                                                  "-mbedtls-" MBEDTLS_VERSION_STRING_FULL;

        if (auto result = mbedtls_ctr_drbg_seed(&ctrDrbgContext,
                                                mbedtls_entropy_func,
                                                &entropyContext,
                                                reinterpret_cast<const unsigned char*>(personalizationString.data()),
                                                personalizationString.size());
            result != 0)
        {
            sf::err() << "Failed to seed DRBG: " << tlsErrorString(result) << std::endl;
            assert(false && "Failed to seed DRBG");
            throw std::runtime_error("Failed to seed DRBG");
        }
#else
        // Initialize crypto library in Mbed TLS 4.x.x and later
        if (auto result = psa_crypto_init(); result != PSA_SUCCESS)
        {
            sf::err() << "Failed to initialize crypto library" << std::endl;
            assert(false && "Failed to initialize crypto library");
            throw std::runtime_error("Failed to initialize crypto library");
        }
#endif
    }

#if (MBEDTLS_VERSION_MAJOR < 4)
    ~MbedTlsSharedState()