System for controlling key storage unit

Details System for controlling key storage unit System for controlling key storage unit

G - Physics

06

F

354/243

G06F 12/14 (2006.01) G06F 13/00 (2006.01)

Patent

CA 1199124

SYSTEM FOR CONTROLLING KEY STORAGE UNIT ABSTRACT OF THE DISCLOSURE In a system for controlling a key storage unit in a data processing apparatus, a data processing apparatus comprising a main storage unit, a key storage unit for storing a main storage protection key corresponding to each unit block of the main storage unit, at least one processing unit, a main storage control unit, and a key storage control unit. The access request for the key storage unit is registered in the key queue of the key- -storage control unit. The same access request for the key storage unit is prevented from being repeated many times.

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