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Whilst clock fault attacks are known to be a serious security threat, an in-depth explanation of such faults still seems to be put in order. This work provides a theoretical analysis, backed by practical experiments , explaining when and how clock faults occur. Understanding and modeling the chain of events following a transient clock alteration allows to(More)
This paper presents measurements of pulsed photoelectrical laser stimulation of a PMOS transistor in 90 nm technology. The laser power was able to trig three PNP parasitic bipolar transistors Drain/Nwell/Source, Drain/Nwell/Psubstrate and Source/Nwell/Psubstrate. An electrical model is proposed in order to simulate effects induced by the laser. Results(More)
improvement of an SRAM cell against laser-induced fault injection. HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive(More)