Electronic circuit protected against analysis
FR3170057A1Pending Publication Date: 2026-06-19IDEMIA FRANCE SAS
Patent Information
- Application Number
- FR2024014216
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-06-19
Abstract
The present invention relates to an electronic circuit composed of a plurality of logic gates characterized in that: - at least a part of the plurality of logic gates is divided into a plurality of groups of logic gates; - each group of logic gates is powered by a voltage randomly selected from a set of at least two available voltages; and - a new random selection of the voltages powering the groups of logic gates is performed between two uses of the circuit. [Fig. 1]
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Citation Information
Patent Citations
Countermeasures against an attack by analysis of electrical consumption for a cryptographic device
US20170195114A1
Voltage regulator mechanism, electronic device, method and computer program
WO2016087002A1