Apparatus and method for sending encrypted data to conditional access module over common interface, conditional access module and system thereof

An apparatus and method for sending encrypted data to a conditional access module (CAM) over a common interface (CI). A plurality of data packets are formed, and one data packet of the plurality of data packets includes a header and a payload for storing the encrypted data. The data packets are sent...

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Bibliographische Detailangaben
1. Verfasser:	WALLER ARTHUR SIMON
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY JAMMING OF COMMUNICATION PICTORIAL COMMUNICATION, e.g. TELEVISION SECRET COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An apparatus and method for sending encrypted data to a conditional access module (CAM) over a common interface (CI). A plurality of data packets are formed, and one data packet of the plurality of data packets includes a header and a payload for storing the encrypted data. The data packets are sent to the CAM over a transport stream (TS) interface of the CI. Encrypted data in different file formats can be sent over the TS interface. An initialization message including information about a selected format can be sent to the CAM over a control interface of the CI, and the CAM can send data request messages over the control interface to request specific data.