Electronic device
By introducing a random current source controlled by a random signal, the device masks operational patterns, thwarting attacks that rely on recognizing ground current variations, thus improving security against side-channel and fault injection attacks.
FR3169236A1Pending Publication Date: 2026-06-05STMICROELECTRONICS INT NV
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- STMICROELECTRONICS INT NV
- Filing Date
- 2024-12-02
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
Electronic devices are vulnerable to attacks such as side-channel and fault injection attacks, which exploit recognizable patterns in ground current variations to obtain sensitive information.
Method used
Implementing a random current source between the power supply and ground, controlled by a random signal generated from a random number generator, to introduce unpredictable noise into the ground current, masking the patterns that attackers seek to exploit.
Benefits of technology
The random current effectively obscures the device's operational patterns, making it difficult for attackers to determine the optimal time for launching attacks, thereby enhancing security.
✦ Generated by Eureka AI based on patent content.
Smart Images
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Abstract
Electronic Device This description relates to an electronic device (14) comprising a first source (22) of a random current (AI) connected between the power supply (16) and the ground (18) of the device. Figure for the abbreviation: Fig. 2
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