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The problem of detection of control flow errors in software has been studied extensively in literature and many detection techniques have been proposed. These techniques typically have high memory and performance overheads and hence are unusable for real-time embedded systems which have tight memory and performance budgets. This paper presents two algorithms by which the overheads associated with...
Cryptographic devices are recently implemented with different countermeasures against side channel attacks and fault analysis. Moreover, some usual testing techniques, such as scan chains, are not allowed or restricted for security requirements. In this paper, we analyze the impact that error detecting schemes have on the testability of an implementation of the advanced encryption standard, in particular...
We present a practical, systematical method for the evaluation of the soft error rate (SER) of microelectronic devices. Existing methodologies, practices and tools are integrated in a common approach while highlighting the need for specific data or tools. The showcased method is particularly adapted for evaluating the SER of very complex microelectronic devices by engineers confronted to increasingly...
Field programmable gate arrays (FPGAs) are getting more and more attractive for military and aerospace applications, among others devices. The usage of non volatile FPGAs, like Flash-based ones, reduces permanent radiation effects but transient faults are still a concern. In this paper we propose a new methodology for effectively measuring the width of radiation-induced transient faults thus allowing...
Software-based self-test (SBST) is increasingly used for testing processor cores embedded in SoCs, mainly because it allows at-speed, low-cost testing, while requiring limited (if any) hardware modifications to the original design. However, the method requires effective techniques for generating suitable test programs and for monitoring the results. In the case of processor core testing, a particularly...
The paper addresses the problem of creating a comprehensive fault injection environment, which integrates and improves various simulation and supplementary functions. This is illustrated with experimental results.
The purpose of TAFT fault tolerance studies conducted at CNES is to prepare the space community for the significant evolution linked to the usage of COTS components for developing spacecraft supercomputers. CNES has patented the DMT and DT2 fault-tolerant architectures with 'light' features. The development of a DMT/DT2 testbench based on a PowerPC7448 microprocessor from e2v is presented in this...
Software-based self-test (SBST) has emerged as an effective strategy for non-concurrent on-line testing of processors integrated in embedded system applications. It offers the potential for on-line testing without any hardware overhead. However, test generation is usually based in a semi-automated approach and gate-level information is required for effective test program generation.In this paper we...
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