Arrangements having security protection

Details Arrangements having security protection Arrangements having security protection

2007-02-13

2007-02-13

Peugh, Brian R. (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S206000

Reexamination Certificate

active

10801834

ABSTRACT:
Security threats are reduced by providing a TLB in a bus interface unit of a media processor whose contents can be updated only from inside the media processor. The TLB checks whether an address specified by an external access request falls within access-permitted areas registered in it. If it does, an access request from outside is passed on to an inside of the media processor; otherwise, it is rejected.

REFERENCES:
patent: 2002/0018384 (2002-02-01), Sumitani et al.

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