title key dumping

    void TitleKeyWnd::dump()
    {
        DzWnd* dz = DzWnd::instance();
        if (!dz)
        {
            return;
        }

        dz->drawLoadingScreen(string(translate().get("Dumping prodinfo")), 0, 1);
        dumpProdInfo();
        RsaKeyPair kp = keys().getRsaKeypair();

        dz->drawLoadingScreen(string(translate().get("Dumping ticket databases")), 0, 1);

        items().resize(0);
        Fat32<::File> f;

        if (f.open("system:/", ::File::Mode::R))
        {
            u64 ticketsFound = 0;

            auto ticketScanner = [&ticketsFound, &kp, this](Buffer<u8>& buffer, u32 cluster)
            {
                for (u64 i = 0; i < buffer.size(); i += 0x100)
                {
                    if (buffer[i] == 0x04 && buffer[i + 1] == 0x00 && buffer[i + 2] == 0x01 && buffer[i + 3] == 0x00)
                    {

                        const TicketHeader* header = reinterpret_cast<const TicketHeader*>(buffer.buffer(i));
                        const TicketData* data = reinterpret_cast<const TicketData*>(buffer.buffer(i + sizeof(TicketHeader) - 0x200 + header->signatureSize() + header->padding()));

                        integer<128> key;

                        DzWnd::instance()->drawLoadingScreen(string(translate().get("Processing tickets")), ticketsFound % 100, 100);

                        if (data->titleKeyType == 1) // personal ticket
                        {
                            mbedtls_rsa_context ctx;
                            mbedtls_rsa_init(&ctx, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_SHA256);

                            mbedtls_mpi_read_binary(&ctx.E, (const u8*)&kp.D, sizeof(kp.D));
                            mbedtls_mpi_read_binary(&ctx.N, (const u8*)&kp.N, sizeof(kp.N));
                            mbedtls_mpi_read_binary(&ctx.D, (const u8*)&kp.D, sizeof(kp.D));

                            ctx.len = sizeof(kp.D);

                            size_t len;
                            Buffer<u8> result;
                            result.resize(0x200);
                            integer<256> label("E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855");
                            if (!mbedtls_rsa_rsaes_oaep_decrypt(&ctx, NULL, NULL, MBEDTLS_RSA_PUBLIC, (const u8*)&label, sizeof(label), &len, (const u8*)&data->titleKeyBlock, result.buffer(), 0x200))
                            {
                                key = *reinterpret_cast<integer<128>*>(result.buffer());
                            }
                            else
                            {
                                continue;
                            }
                        }
                        else
                        {
                            key = reinterpret_cast<const integer<128>&>(data->titleKeyBlock);
                        }

                        items().push(Row::TitleKey(data->rightsId, key));
                        ticketsFound++;
                    }
                }
                return true;
            };

            f.readChain("/save/80000000000000e1", ticketScanner);
            f.readChain("/save/80000000000000e2", ticketScanner);
            f.close();
            exportKeys();
        }
        else
        {
            error("Faile dto open system partition\n");
        }
    }