System for controlling online and offline and offline access to digital data using a software key server
First Claim
1. System for controlling online and offline access to digital data by means of a software key server, adapted to the transmission of encrypted digital data or programs broadcast by satellite, cable or a digital land-based network, characterized in that the access control to digital transmissions (3) originating from a broadcasting station (1) occurs by means of a server for decryption keys (8) to which each reception terminal (2) must be connected with a single identification through a secured channel independent of the channel for transmitting the data or programs, in order to use said transmitted data or programs.
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Abstract
The invention concerns a system for controlling online and offline access to digital data using a software key server. It consists in controlling access to encrypted digital data or programs broadcast by satellite, cable or digital land-based network, using a server of decryption keys (8) whereto each reception terminal (2) must be connected with a single identification through a secure channel independent of the transmission channel to be able to use the transmitted data or programs. Said system is generally applicable to all types of digital data transmission, and in particular digital television programs or encrypted data broadcasting services.
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15 Claims
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1. System for controlling online and offline access to digital data by means of a software key server, adapted to the transmission of encrypted digital data or programs broadcast by satellite, cable or a digital land-based network,
characterized in that the access control to digital transmissions (3) originating from a broadcasting station (1) occurs by means of a server for decryption keys (8) to which each reception terminal (2) must be connected with a single identification through a secured channel independent of the channel for transmitting the data or programs, in order to use said transmitted data or programs.
Specification