Reproducible Single-Byte Laser Fault Injection

Jean-Max Dutertre (1) , Amir-Pasha Mirbaha (1) , David Naccache (2, 3) , Assia Tria (4)

1 SAS-ENSMSE - Département Systèmes et Architectures Sécurisés
2 LIENS - Laboratoire d'informatique de l'école normale supérieure
3 CASCADE - Construction and Analysis of Systems for Confidentiality and Authenticity of Data and Entities
4 Laboratoire Systèmes et Architectures Sécurisés (LSAS)

This note describes laser fault experiments on an 8-bit 0.35µm microcontroller with no countermeasures. We show that reproducible single-byte faults, often considered unfeasible, can be obtained by careful beam-size and shot-instant tuning.

Mots clés: Differential fault attack; Microcontroller; Laser fault injection; Hardware security

Domaines: Micro et nanotechnologies/Microélectronique

Jean-Max Dutertre, Amir-Pasha Mirbaha, David Naccache, Assia Tria. Reproducible Single-Byte Laser Fault Injection. 6th Conference on Ph.D. Research in Microelectronics & Electronics, PRIME 2010, Jul 2010, Berlin, Germany. ⟨emse-01130782⟩