Code-based technique to mitigate power telemetry side-channel leakage from system buses

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United States of America Patent

PATENT NO 11860703
SERIAL NO

17881110

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Abstract

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The technology disclosed herein determining one or more vulnerable instructions in workload code and determining one or more additional instructions to be inserted in the workload code based at least in part on a power model of a system bus of a processor, when a power model of a processor is dependent on an order of instructions of workload code, inserting the one or more additional instructions with dependency to the workload code to produce complementary power consumption of the system bus to power consumption of the system bus from executing the one or more vulnerable instructions; and when the power model is not dependent on the order of instructions of workload code, inserting the one or more additional instructions without dependency to the workload code to produce complementary power consumption of the system bus to power consumption of the system bus from executing the one or more vulnerable instructions.

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INTEL CORPORATION2200 MISSION COLLEGE BOULEVARD SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chakraborty, Abhishek Hillsboro, US 12 33
Fung, Jason Portland, US 5 64
Liu, Chen Hillsboro, US 206 1290
Roggel, Neer Albuquerque, US 2 0

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