![]() Enterprise version of BISS also exists where the broadcaster will encrypt the stream and the system will send the content key by secret means to the decoders that are pre-registered with the BISS headend. This session key is then mathematically combined by receiver to calculate a BISS-1 key that can decrypt the signal.īroadcaster encrypts it with the encoder and the viewer receives it and decrypts it with the decoder. ![]() This key is unknown to the user of the decoder. This key forms part of encryption of digital TV when the key is entered into both the encoder and decoder. Only the transmitting and receiving parties know the key prior to transmission. But now new and more advanced encryption have been introduced. There were times when most of the channels were encrypted by Biss Key. Biss key is basically used to encrypt the satellite signals so only those people can get it who knows the Biss key. ![]()
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