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Evaluating the potential functional effects of soft errors (single or multiple bit-flips) in digital circuits becomes a critical design constraint. The usual approaches, based on fault injection techniques, suffer several limitations. New approaches, better suited to large circuits with complex workloads, are therefore suitable. An innovative approach was recently proposed, based on probabilistic...
Cryptographic devices have to be fully testable in order to ensure proper functionalities. On the other hand, security requirements restrict the use of some testing techniques, such as scan chains. Built-In Self Tests may be a solution, but they often require expensive additional components included into the circuitry. The possibility of using the ciphering circuit itself to perform the self test...
Fault-injection based dependability analysis has proved to be an efficient mean to predict the behavior of a circuit in presence of faults. Emulation-based approaches enable fast and flexible analyses of significant designs such as processors running significant application software. This paper presents the results obtained with an encryption application and questions the usefulness and the effectiveness...
When designing circuits for security-related applications, the robustness depends on its capability to globally resist to various types of attacks, based either on the observation of the device (e.g. differential power analysis) or its perturbation (e.g. injecting faults with a laser). To deal with perturbations, two strategies are developed: detecting the attack or maintaining the proper functioning...
Fault-injection based dependability analysis has proved to be an efficient mean to predict the behavior of a circuit in presence of faults. Instrumentation-based techniques are in general used to perform the injection during simulation or emulation. The weak point of these techniques remains the characteristics obtained after modification of either the high-level description or the circuit netlist,...
Prototyping-based fault injection environments are employed to perform dependability analysis and thus predict the behavior of circuits in presence of faults. A novel environment has been recently proposed to perform several types of dependability analyses in a common optimized framework. The approach takes advantage of hardware speed and of software flexibility to achieve optimized trade-offs between...
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