Method and apparatus for remotely installing and updating different security clients for broadcasting or communication channels

A method for installing different security clients for channels in a terminal in a conditional access system, the method comprising:

• receiving security clients necessary for receiving pay programs to be transmitted through one or more channels, which are repeatedly broadcasted through respective broadcasting stations which respectively take charge of the respective channels;
• and
• respectively installing the security clients received from the respective broadcasting stations,
• wherein a first security client is remotely downloaded and installed for a first channel from a first broadcasting station of the first channel in the terminal, and a first program corresponding to the first channel is received from the first broadcasting station in the terminal,
• wherein a second security client is remotely downloaded and installed for a second channel from a second broadcasting station of the second channel in the terminal, and a second program corresponding to the second channel is received from the second broadcasting station in the terminal,
• wherein the terminal is configurable, upon a user's selection, to download and install the security clients in advance when the respective channels are searched in the terminal.

A terminal for installing different security clients for channels in a conditional access system, the terminal comprising:

• a control unit configured to search one or more channels searchable in the terminal;
• a reception unit configured to request, for respective searched channels, security clients necessary for receiving pay programs to be transmitted through the respective searched channels, to respective broadcasting stations which respectively take charge of the respective searched channels;
• and
• a transmission unit configured to respectively download and install, for the respective searched channels, the requested security clients from the respective broadcasting stations,
• wherein the control unit installs the downloaded security clients,
• wherein a first security client is remotely downloaded and installed for a first channel from a first broadcasting station of the first channel in the terminal, and a first program corresponding to the first channel is received from the first broadcasting station in the terminal,
• wherein a second security client is remotely downloaded and installed for a second channel from a second broadcasting station of the second channel in the terminal, and a second program corresponding to the second channel is received from the second broadcasting station in the terminal,
• wherein the terminal is configurable, upon a user's selection, to download and install the security clients in advance when the respective channels are searched in the terminal.

A terminal for installing different security clients for channels in a conditional access system, the terminal comprising:

• a reception unit configured to receive security clients necessary for receiving pay programs to be transmitted through one or more channels, which are repeatedly broadcasted through respective broadcasting stations which respectively take charge of the respective channels;
• and
• a control unit configured to respectively install the security clients received from the respective broadcasting stations,
• wherein a first security client is remotely downloaded and installed for a first channel from a first broadcasting station of the first channel in the terminal, and a first program corresponding to the first channel is received from the first broadcasting station in the terminal,
• wherein a second security client is remotely downloaded and installed for a second channel from a second broadcasting station of the second channel in the terminal, and a second program corresponding to the second channel is received from the second broadcasting station in the terminal.