Production line boot sector lock

Hacking of a class of Set-Top Boxes known as Integrated Receiver-Decoders (IRDs) used to receive satellite broadcasts for display on television sets is prevented by use of connections to the reprogramming enable pin of a flash memory. If a user attempts to reprogram the boot sector of the flash memo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CURTIS, III JOHN JOSEPH, PITSCH ROBERT ALAN
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION STATIC STORES
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Beschreibung
Zusammenfassung:	Hacking of a class of Set-Top Boxes known as Integrated Receiver-Decoders (IRDs) used to receive satellite broadcasts for display on television sets is prevented by use of connections to the reprogramming enable pin of a flash memory. If a user attempts to reprogram the boot sector of the flash memory in order to obtain free service via privacy, the set-top box is destroyed. The invention relates to the design and manufacture of IRDs that are resistant to hacking via unauthorized reprogramming.