>> What might be the reasons for perfect initialisation but no >> actual decryption happening? > The software that you use to watch dvb has to support cams, > what software are you using? Hmm, there is probably a less typical thing here: I am streaming the TS streams extracted from the card installed in a server using IP multicast over LAN and use the VLC player to watch DVB. This works marvelously with unencrypted streams. So I think if I get decrypted TS packets from the card it should be the same? Is there any prinicpal problem here? irk