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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)
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)
—The use of electromagnetic glitches has recently emerged as an effective fault injection technique for the purpose of conducting physical attacks against integrated circuits. First research works have shown that electromagnetic faults are induced by timing constraint violations and that they are also located in the vicinity of the injection probe. This(More)
Differential Fault Analysis (DFA) is a real threat for el-liptic curve cryptosystems. This paper describes an elliptic curve cryptoprocessor unit resistant against fault injection. This resistance is provided by the use of parity preserving logic gates in the operating structure of the ECC unit, which is based on borrow-save adders. The proposed(More)