ADAPTIVE SYSTEMS AND PROCEDURES FOR DEFENDING A PROCESSOR AGAINST TRANSIENT FAULT ATTACKS

Various features pertain to defending a smartphone processor or other device from a transient fault attack. In one example, the processor is equipped to detect transient faults using a fault detection system and to adaptively adjust a control parameter in response to the transient faults, where the...

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Hauptverfasser: Tamagno David, Benoit Olivier Jean
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creator Tamagno David
Benoit Olivier Jean
description Various features pertain to defending a smartphone processor or other device from a transient fault attack. In one example, the processor is equipped to detect transient faults using a fault detection system and to adaptively adjust a control parameter in response to the transient faults, where the control parameter controls a physical operation of the processor (such as by gating its clock signal) or a functional operation of the fault detection system (such as a particular Software Fault Sensor (SFS) employed to detect transient faults). In some examples, in response to each newly detected fault, the detection system is controlled to consume more processor time to become more aggressive in detecting additional faults. This serves to quickly escalate fault detection in response to an on-going attack to promptly detect the attack so that the device can be disabled to prevent loss of sensitive information, such as security keys or passcodes.
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recordid cdi_epo_espacenet_US2017286680A1
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subjects ADVERTISING
CALCULATING
CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY
COMPUTING
COUNTING
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
SEALS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title ADAPTIVE SYSTEMS AND PROCEDURES FOR DEFENDING A PROCESSOR AGAINST TRANSIENT FAULT ATTACKS
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