PROTECTIVE METHOD OF AN ELECRONIC DEVICE AGAINST ATTACKS BY FAULT INJECTION
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United States of America Patent
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Issued Date -
Feb 14, 2019
app pub date -
Aug 8, 2018
filing date -
Aug 9, 2017
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Abstract
The present invention relates to a method for protection of an electronic device (1) against attacks by fault injection, the method comprising steps of
- detection of anomalies likely to inject a fault in the electronic device (1) or be caused by a fault injection in the electronic device (1),incrementation (206) by an anomaly counter (cpt_velo, cpt_tearing) as a function of the detected anomalies,comparison (208) between the anomaly counter (cpt_velo, cpt_tearing) and a first threshold (seuil_cpt_velo, seuil_cpt_tearing),performing a protective measure (210) of the electronic device (1) when the number of counted anomalies reaches the predetermined threshold,
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