Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2007-09-04
2007-09-04
Elmore, Stephen C. (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S147000, C711S152000, C711S154000, C711S170000, C711S173000, C713S164000, C713S165000, C713S166000, C713S189000, C713S193000, C709S200000
Reexamination Certificate
active
10242746
ABSTRACT:
A system, method, and computer program product are disclosed for prohibiting unauthorized access to a protected region of memory. A protected region of memory and a trusted region of memory are both specified. A call to access a location within the protected region of memory is received. An origination location of the call is then determined. In response to a determination that the origination location is within the trusted region, the call is permitted to access the protected region of memory. In response to a determination that the origination location is outside of the trusted region, the call is prohibited from accessing the protected region of memory.
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Harrington Bradley Ryan
Locke Kevin Brian
Elmore Stephen C.
Gerhardt Diana R.
International Business Machines - Corporation
Kim Daniel
Yee Duke W.
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