1) Digital television 
Viaccess is a conditional access system developed by Orange S.A.. There are six versions in use today, Viaccess PC2.3, Viaccess PC2.4, Viaccess PC2.5, Viaccess PC2.6, Viaccess PC3.0, Viaccess PC4.0 and Viaccess PC5.0. Viaccess was developed as the digital version of the EuroCrypt system used with the hybrid MAC system, The first version is sometim...