Patent ID: 6131160
Filing Date: 2000-10-10
Classification: G06F,H04B,H04H,H04L,H04N

Abstract:
An apparatus comprising:a receiving unit configured to receive frames from a satellite antenna, wherein each frame corresponds to one of a plurality of different data streams, wherein each of the plurality of different data streams is encrypted with a different key, and wherein each frame comprises (a) identifying information uniquely identifying that one of the plurality of different data streams to which the frame corresponds and (b) encrypted data for decryption using a key obtained in accordance with the identifying information; andan output unit configured to determine in accordance with the identifying information of a frame received by said receiving unit whether or not a key is available to decrypt the encrypted data of the frame, and where available to output decrypted data, obtained from the encrypted data of the frame by using the key, through a bus interface to a computer for further processing by the computer.