Method of protecting computer program code
AssigneeInside Secure
InventorsNeil William STEWART, Graeme Kerr HARKNESS, Douglas McPherson LITTLE
Life of this patent
Estimating the term…
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AssigneeInside Secure
InventorsNeil William STEWART, Graeme Kerr HARKNESS, Douglas McPherson LITTLE
Estimating the term…
In a general aspect, a computer implemented method can include identifying, in a program code stored in computer memory, a location of a dynamic repair target code section for an assignment to a program variable, a value of which is known only at runtime. The method can also include modifying the program code at the identified location of the dynamic repair target code section to assign an immediate value different from a correct runtime value to the program variable. The method can further include inserting, into the program code in the computer memory, a dynamic repair probe code section that is executed before the dynamic repair target code and, at runtime, modifies the immediate value in the code to contain the correct runtime value when an attack has not occurred.
A computer implemented method of protecting a computer program executable on a computer comprising a memory management unit configured to route data and code accesses/fetches to a same logical address either to different or to identical physical addresses in computer memory when executing a program, the method comprising:
A computer implemented system for protecting computer program code, comprising a computer configured to:
A non-transitory computer readable medium storing program code that, when executed, causes a machine to:
A non-transitory computer readable medium storing a computer program that comprises:
A computer comprising:
Dependencies are inferred from the claim text.