The card sharing, cardsharing also written and known as sharing
control words is to allow multiple users access to Pay TV from a single
pass up sharing.
The operation is made possible by sharing electronic decryption keys
issued by these smart cards, allowing all recipients simultaneous access
to encrypted stream of pay-TV.
In practice, a legitimate smart card administrator cardsharing
network is connected to a television or a computer equipped with
software dedicated to sharing “control words” 64-bit Internet. Once in
possession of this key, the client can decrypt the encrypted content as
if using its own subscription card.
Free Server Cccam 25-02-2014