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Academic literature on the topic 'Sécurité systèmes embarqués'
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Journal articles on the topic "Sécurité systèmes embarqués"
INGRAND, S., and B. DEDIEU. "Numéro spécial : Quelles innovations pour quels systèmes d'élevage ?" INRAE Productions Animales 27, no. 2 (June 1, 2014): 75–76. http://dx.doi.org/10.20870/productions-animales.2014.27.2.3055.
Full textBOSSUET, Lilian. "Sécurité des systèmes embarqués." Sécurité des systèmes d'information, June 2018. http://dx.doi.org/10.51257/a-v1-h8280.
Full textLindberg, Gunnar, Lars Hultkrantz, Jan-Eric Nilsson, and Fridtjof Thomas. "Pay-as-you-speed. Two field experiments on controlling adverse selection and moral hazard in traffic insurance." Les Cahiers Scientifiques du Transport - Scientific Papers in Transportation 57 | 2010 (March 31, 2010). http://dx.doi.org/10.46298/cst.12096.
Full textMuller, Aurelia Marine, Claudia Thurnherr, and Daniel Algernon. "Intégration d’un système CND Impact Echo sur un drone." e-journal of nondestructive testing 28, no. 9 (September 2023). http://dx.doi.org/10.58286/28518.
Full textDissertations / Theses on the topic "Sécurité systèmes embarqués"
Buret, Pierrick. "Sécurité temps réel dans les systèmes embarqués critiques." Thesis, Limoges, 2015. http://www.theses.fr/2015LIMO0140/document.
Full textSatellites are real-time embedded systems and will be used more and more in the world. Become essential for the geo-location, meteorology or communications across the planet, these systems are increasingly in demand. Due to the influx of requests, the designers of these products are designing a more and more complex hardware and software part. Thanks to the evolution of terrestrial equipment, the aero-space field is turning to new technologies such as caches, multi-core, and hypervisor. The integration of these new technologies bring new technical challenges. In effect, it is necessary to improve the performance of these systems by reducing the cost of manufacturing and the production time. One of the major advantages of these technologies is the possibility of reducing the overall number of satellites in space while increasing the number of operators. Multiple clients softwares may be together today in a same satellite. The ability to integrate multiple customers on the same satellite, with the increasing complexity of the system, makes a number of malicious acts possible. These acts were once considered as hypothetical. Become a priority today, the study of the vulnerability of such systems become major. In this paper, we present first work a quick exploration of the field of malicious acts on onboard system and more specifically those carried out on satellite system. Once the risk presentation we will develop some particular points, such as the problematic real-time. In this thesis we are particularly interested in the security of space hypervisors. We will develop precisely 2 lines of research. The first axis is focused on the development of production technics and implementing a control system of a satellite temporal characteristics. The objective is to adapt an existing system to the constraints of the new highly complex systems. We confront the difficulty of measuring the temporal characteristics running on a satellite system. For this we use an optimization method called dynamic analysis and genetic algorithm. Based on trends, it can automatically search for the worst execution time of a given function. The second axis improves the technical knowledge on a satellite in operation and enables decision making in case of malicious act. We propose specifically a physical solution to detect anomalies in the management of internal memory to the satellite. Indeed, memory is an essential component of system operation, and these common properties between all clients makes them particularly vulnerable to malicious acts. Also, know the number of memory access enables better scheduling and better predictability of a real time system. Our component allows the detection and interpretation of a potential attack or dependability problem. The work put in evidence the complementarity of the two proposed work. Indeed, the measure of the number of memory access that can be measured via a genetic algorithm whose shape is similar to the program seeking the worst execution time. So we can expand our work of the first part with the second
Clavier, Christophe. "De la sécurité physique des crypto-systèmes embarqués." Versailles-St Quentin en Yvelines, 2007. http://www.theses.fr/2007VERS0028.
Full textIn a world full of threats, the development of widespread digital applications has led to the need for a practical device containing cryptographic functions that provide the everyday needs for secure transactions, confidentiality of communications, identification of the subject or authentication for access to a particular service. Among the cryptographic embedded devices ensuring these functionalities, smart cards are certainly the most widely used. Their portability (a wallet may easily contain a dozen) and their ability to protect its data and programs against intruders, make it as the ideal ``bunker'' for key storage and the execution of cryptographic functions during mobile usage requiring a high level of security. Whilst the design of mathematically robust (or even proven secure in some models) cryptographic schemes is an obvious requirement, it is apparently insufficient in the light of the first physical attacks that were published in 1996. Taking advantage of weaknesses related to the basic implementation of security routines, these threats include side-channel analysis which obtains information about the internal state of the process, and the exploitation of induced faults allowing certain cryptanalysis to be performed which otherwise would not have been possible. This thesis presents a series of research works covering the physical security of embedded cryptosystems. Two parts of this document are dedicated to the description of some attacks and to a study of the efficiency of conceivable countermeasures. A third part deals with that particular and still mainly unexplored area which considers the applicability of physical attacks when the cryptographic function is, partly or totally, unknown by the adversary
Davidson, Tremblay Patrick. "Protection et intégrité des systèmes embarqués réseautés." Mémoire, Université de Sherbrooke, 2014. http://hdl.handle.net/11143/5896.
Full textPerito, Daniele. "Exécution sécurisée de code sur systèmes embarqués." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00639053.
Full textSchweppe, Hendrik. "Sécurité et protection de la vie privée dans les systèmes embarqués automobiles." Thesis, Paris, ENST, 2012. http://www.theses.fr/2012ENST0062/document.
Full textElectronic equipment has become an integral part of a vehicle's network architecture, which consists of multiple buses and microcontrollers called Electronic Control Units (ECUs). These ECUs recently also connect to the outside world. Navigation and entertainment system, consumer devices, and Car2X functions are examples for this. Recent security analyses have shown severe vulnerabilities of exposed ECUs and protocols, which may make it possible for attackers to gain control over a vehicle. Given that car safety-critical systems can no longer be fully isolated from such third party devices and infotainment services, we propose a new approach to securing vehicular on-board systems that combines mechanisms at different layers of the communication stack and of the execution platforms. We describe our secure communication protocols, which are designed to provide strong cryptographic assurances together with an efficient implementation fitting the prevalent vehicular communication paradigms. They rely on hardware security modules providing secure storage and acting as root of trust. A distributed data flow tracking based approach is employed for checking code execution against a security policy describing authorized communication patterns. Binary instrumentation is used to track data flows throughout execution (taint engine) and also between control units (middleware), thus making it applicable to industrial applications. We evaluate the feasibility of our mechanisms to secure communication on the CAN bus, which is ubiquitously implemented in cars today. A proof of concept demonstrator also shows the feasibility of integrating security features into real vehicles
Crenne, Jérémie. "Sécurité Haut-débit pour les Systèmes Embarqués à base de FPGAs." Phd thesis, Université de Bretagne Sud, 2011. http://tel.archives-ouvertes.fr/tel-00655959.
Full textFeix, Benoît. "Implémentations Efficaces de Crypto-systèmes Embarqués et Analyse de leur Sécurité." Limoges, 2013. https://aurore.unilim.fr/theses/nxfile/default/19ba2f73-2b7f-42ed-8afc-794a4b0c7604/blobholder:0/2013LIMO4062.pdf.
Full textCryptography has become a very common term in our daily life even for those that are not practising this science. It can represent today an efficient shield that prevent us from hackers' or other non-respectable entities' intrusions in our privacy. Cryptography can protect the personal data we store on many physical numerical supports or even cloudy ones for the most intrepid people. However a secure usage cryptography is also necessary. Cryptographic algorithms must be implemented such that they contain the right protections to defeat the category of physical attacks. Since the first article has been presented on this subject in 1996, different attack improvements, new attack paths and countermeasures have been published and patented. We present the results we have obtained during the PhD. New physical attacks are presented with practical results. We are detailing innovative side-channel attacks that take advantage of all the leakage information present in a single execution trace of the cryptographic algorithm. We also present two new CoCo (Collision Correlation) attacks that target first order protected implementations of AES and RSA algorithms. We are in the next sections using fault-injection techniques to design new combined attacks on different state of the art secure implementation of AES and RSA. Later we present new probable prime number generation method well suited to embedded products. We show these new methods can lead to faster implementations than the probabilistic ones commonly used in standard products. Finally we conclude this report with the secure exponentiation method we named Square Always
Schweppe, Hendrik. "Sécurité et protection de la vie privée dans les systèmes embarqués automobiles." Electronic Thesis or Diss., Paris, ENST, 2012. http://www.theses.fr/2012ENST0062.
Full textElectronic equipment has become an integral part of a vehicle's network architecture, which consists of multiple buses and microcontrollers called Electronic Control Units (ECUs). These ECUs recently also connect to the outside world. Navigation and entertainment system, consumer devices, and Car2X functions are examples for this. Recent security analyses have shown severe vulnerabilities of exposed ECUs and protocols, which may make it possible for attackers to gain control over a vehicle. Given that car safety-critical systems can no longer be fully isolated from such third party devices and infotainment services, we propose a new approach to securing vehicular on-board systems that combines mechanisms at different layers of the communication stack and of the execution platforms. We describe our secure communication protocols, which are designed to provide strong cryptographic assurances together with an efficient implementation fitting the prevalent vehicular communication paradigms. They rely on hardware security modules providing secure storage and acting as root of trust. A distributed data flow tracking based approach is employed for checking code execution against a security policy describing authorized communication patterns. Binary instrumentation is used to track data flows throughout execution (taint engine) and also between control units (middleware), thus making it applicable to industrial applications. We evaluate the feasibility of our mechanisms to secure communication on the CAN bus, which is ubiquitously implemented in cars today. A proof of concept demonstrator also shows the feasibility of integrating security features into real vehicles
Li, Letitia. "Approche orientée modèles pour la sûreté et la sécurité des systèmes embarqués." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLT002/document.
Full textThe presence of communicating embedded systems/IoTs in our daily lives have brought a myriad of benefits, from adding conveniences and entertainment, to improving the safety of our commutes and health care. However, the flaws and vulnerabilities in these devices expose their users to risks of property damage, monetary losses, and personal injury. For example, consumer vehicles, both connected and conventional, have succumbed to a variety of design flaws resulting in injuries and death. At the same time, as vehicles are increasingly connected (and in the near future, autonomous), researchers have demonstrated possible hacks on their sensors or internal control systems, including direct injection of messages on the CAN bus.Ensuring the safety of users or bystanders involves considering multiple factors. Conventional safety suggests that a system should not contain software and hardware flaws which can prevent it from correct function. `Safety of the Intended Function' involves avoiding the situations which the system or its components cannot handle, such as adverse extreme environmental conditions. Timing can be critical for certain real-time systems, as the system will need to respond to certain events, such as obstacle avoidance, within a set period to avoid dangerous situations. Finally, the safety of a system depends on its security. An attacker who can send custom commands or modify the software of the system may change its behavior and send it into various unsafe situations. Various safety and security countermeasures for embedded systems, especially connected vehicles, have been proposed. To place these countermeasures correctly requires methods of analyzing and verifying that the system meets all safety, security, and performance requirements, preferably at the early design phases to minimize costly re-work after production. This thesis discusses the safety and security considerations for embedded systems, in the context of Institut Vedecom's autonomous vehicle. Among the proposed approaches to ensure safety and security in embedded systems, Model-Driven Engineering is one such approach that covers the full design process, from elicitation of requirements, design of hardware and software, simulation/formal verification, and final code generation. This thesis proposes a modeling-based methodology for safe and secure design, based on the SysML-Sec Methodology, which involve new modeling and verification methods. Security modeling is generally performed in the last phases of design. However, security impacts the early architecture/mapping and HW/SW partitioning decisions should be made based on the ability of the architecture to satisfy security requirements. This thesis proposes how to model the security mechanisms and the impact of an attacker as relevant to the HW/SW Partitioning phase. As security protocols negatively impact performance, it becomes important to measure both the usage of hardware components and response times of the system. Overcharged components can result in unpredictable performance and undesired delays. This thesis also discusses latency measurements of safety-critical events, focusing on one critical to autonomous vehicles: braking as after obstacle detection. Together, these additions support the safe and secure design of embedded systems
Idrees, Muhammad Sabir. "Ingénierie des exigences pour la conception d'architectures de sécurité de systèmes embarqués distribués." Thesis, Paris, ENST, 2012. http://www.theses.fr/2012ENST0045/document.
Full textDuring the last ten years, the impact of security concerns on the development and exploration of distributed embedded systems never ceased to grow. This is mainly related to the fact that these systems are increasingly interconnected and thus vulnerable to attacks, and that the economic interest in attacking them has simultane- ously increased. In such a context, requirement engineering methodologies and tools have become necessary to take appropriate decisions regarding security early on. Security requirements engineering should thus strongly support the elicitation and specifica- tion of software security issues and solutions well before designers and developers are committed to a particular implementation. However, and that is especially true in embedded systems, security requirements should not be considered only as the abstract expression of a set of properties independently from the system architecture or from the threats and attacks that may occur. We believe this consideration is of utmost importance for security requirements engineering to be the driving force behind the design and implementation of a secure system. We thus describe in this thesis a security engineering requirement methodology depending upon a constant dialog between the design of system functions, the requirements that are attached to them, the design and development of the system architecture, and the assessment of the threats to system assets. Our approach in particular relies on a knowledge-centric approach to security requirement engineering, applicable from the early phases of system conceptualization to the enforcement of security requirements