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Communication Dans Un Congrès Année : 2021

Breaking Analog Biasing Locking Techniques via Re-Synthesis

Résumé

We demonstrate an attack to break all analog circuit locking techniques that act upon the biasing of the circuit. The attack is based on re-synthesizing the biasing circuits and requires only the use of an optimization algorithm. It is generally applicable to any analog circuit class. For the attacker the method requires no in-depth understanding or analysis of the circuit. The attack is demonstrated on a bias-locked Low-Dropout (LDO) regulator. As the underlying optimization algorithm we employ a Genetic Algorithm (GA).
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Dates et versions

hal-02978491 , version 1 (26-10-2020)

Identifiants

Citer

Julian Leonhard, Mohamed Elshamy, Marie-Minerve Louërat, Haralampos-G. Stratigopoulos. Breaking Analog Biasing Locking Techniques via Re-Synthesis. 26th Asia and South Pacific Design Automation Conference (ASPDAC '21), Jan 2021, Tokyo, Japan. ⟨10.1145/3394885.3431603⟩. ⟨hal-02978491⟩
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