Features
User Manual for AZ110 Broadcast Satellite Modulator with ASI interface
version 3.2
91
SHAPING THE FUTURE SATELLITE OF COMMUNICATIONS
8.3.3.3
Adding a Receiver to the Network
Starting point:
The encryptor sends encrypted
data to several decryptors all using
the same content key.
Steps
:
1. Simply send the correct content key to that new receiver.
2. Turn on the decryptor of the new receiver.
8.3.3.4
Removing a Receiver from the Network
Starting point
: The encryptor sends encrypted data to the decryptors. The odd key
is active. All have their encryption mode set to “On”.
Steps
:
1. Define a new even content key.
2. The new content key is entered in all decryptors, except the one receiver to be
removed from the network.
3. The new content key is entered in the encryptor.
4. The encryptor is switched to the even key.
8.3.3.5
Sending Protected Content Keys
Starting point
: An encryptor and a set of decryptors are running in a secured
facility (or in secured facilities).
Steps
:
1. Define a group key.
2. Insert the group key in all units by a trusted person/system in expert mode.
3. Deploy the devices.
4. Set the key for a transmission, sending encrypted content keys rather than
content keys.
8.3.3.6
Creating Groups of Receivers
Groups of receivers, mutually exclusive, are created by inserting different group
keys in those receivers and in the related sender. This way, keys sent to a group of
receivers cannot be used by another group of receivers.
