void MainWindow::draw_ellipse(QPainterPath &path, double p)
{
double width = boundingRect.right() - boundingRect.left();
width /= 100.0;
double left = boundingRect.left();
bool first = true;
for (int i = 0; i <= 100; ++i)
{
double currentX = left + static_cast<double>(i)*width;
double currentY = calculate_y1(currentX, p);
if (first)
{
if (!(isnan(currentY) || isinf(currentY)))
{
path.moveTo(plot_x(currentX), plot_y(currentY));
first = false;
}
}
else
if (!(isnan(currentY) || isinf(currentY)))
path.lineTo(plot_x(currentX), plot_y(currentY));
}
for (int i = 100; i >= 0; --i)
{
double currentX = left + static_cast<double>(i)*width;
double currentY = calculate_y2(currentX, p);
if (!(isnan(currentY) || isinf(currentY)))
path.lineTo(plot_x(currentX), plot_y(currentY));
}
path.connectPath(path);
}
void key_generation(uint8_t *ims) {
communication_area *pcomm = (communication_area *)&_communication_area;
secret_keys_comm_area *key_comm = &(pcomm->second_stage.keys);
uint8_t y2[SHA256_HASH_DIGEST_SIZE];
uint8_t epck[SHA256_HASH_DIGEST_SIZE];
calculate_y2(ims, y2);
calculate_epsk(y2, key_comm->epsk);
calculate_ergs(y2, key_comm->ergs);
calculate_essk(y2, key_comm->essk);
#if DBG_SECRET_KEY_MSG
dbgprinthexbuf(key_comm->epsk, sizeof(key_comm->epsk), "epsk ");
dbgprinthexbuf(key_comm->essk, sizeof(key_comm->essk), "essk ");
dbgprinthexbuf(key_comm->ergs, sizeof(key_comm->ergs), "ergs ");
#endif
calculate_epck(y2, epck);
/**
* To re-create the public key from the communication area, use
* bytes_to MCL_FF(key_comm->errk_n,
* RSA2048_PUBLIC_KEY_SIZE,
* pub.n,
* MCL_FFLEN1);
* pub.e = 65537;
*/
calculate_errk(y2, ims, key_comm->errk_n);
dbgprint("secret keys generated\n");
}
