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Academic literature on the topic 'Environnement d’exécution de confiance'
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Journal articles on the topic "Environnement d’exécution de confiance"
Jean, Marc, and Jacqueline Dionne-Proulx. "Récits de pratiques en services de garde éducatifs à la petite enfance au Québec : une expérience de réflexion sur la confiance." Articles hors thème 42, no. 1-2 (January 15, 2014): 243–76. http://dx.doi.org/10.7202/1021306ar.
Full textPortes, Audrey, Gilles N’Goala, and Anne-Sophie Cases. "La transparence numérique : dimensions, antécédents et conséquences sur la qualité des relations clients." Recherche et Applications en Marketing (French Edition) 35, no. 4 (August 18, 2020): 73–102. http://dx.doi.org/10.1177/0767370120935734.
Full textDewolf, Linda. "Étude des nouveaux concepts, des sigles et des emprunts dans la terminologie de la circulation routière et de leur ancrage dans la réglementation routière belge." Meta 60, no. 1 (July 22, 2015): 173–92. http://dx.doi.org/10.7202/1032405ar.
Full textMercier, Sylvie, and Annie Vallières. "Le leadership conscient au profit d’un engagement individuel et collectif bienveillant." Nutrition Science en évolution 18, no. 1 (July 8, 2020): 24–27. http://dx.doi.org/10.7202/1070394ar.
Full textResche, Catherine. "Approche « terminométrique1 » du cycle économique : implications et prolongements." Meta 49, no. 2 (October 28, 2004): 343–59. http://dx.doi.org/10.7202/009356ar.
Full textBueno Merino, Pascale, and Marie-Hélène Duchemin. "Enjeux de la différenciation selon le genre dans l’accompagnement collectif de la femme potentiellement créatrice." Management international 20, no. 4 (September 24, 2018): 90–112. http://dx.doi.org/10.7202/1051677ar.
Full textFelix Hilaire. "La perspective de l'akhisme sur la vie économique et sa comparaison avec le système capitaliste." International Journal of Science and Society 4, no. 1 (March 17, 2022): 336–46. http://dx.doi.org/10.54783/ijsoc.v4i1.440.
Full textTilman, Francis. "L’école contre le travail ?" Quel avenir pour les jeunes ?, no. 8 (January 26, 2016): 61–68. http://dx.doi.org/10.7202/1034796ar.
Full textBruce, SG, ND Riediger, and LM Lix. "Maladies chroniques et facteurs de risque chez les membres des Premières Nations, les Inuits et les Métis du Nord canadien." Maladies chroniques et blessures au Canada 34, no. 4 (November 2014): 229–37. http://dx.doi.org/10.24095/hpcdp.34.4.04f.
Full textLee, Kent K., Marilyn Abbott, and Ning Chen. "Increasing Students’ Willingness to Communicate: Drama-Based Approaches to Language Instruction in English for Academic Purposes Classes." TESL Canada Journal 37, no. 3 (December 31, 2020): 75–87. http://dx.doi.org/10.18806/tesl.v37i3.1346.
Full textDissertations / Theses on the topic "Environnement d’exécution de confiance"
Sabt, Mohamed. "Outsmarting smartphones : trust based on provable security and hardware primitives in smartphones architectures." Thesis, Compiègne, 2016. http://www.theses.fr/2016COMP2320.
Full textThe landscape of mobile devices has been changed with the introduction of smartphones. Sincetheir advent, smartphones have become almost vital in the modern world. This has spurred many service providers to propose access to their services via mobile applications. Despite such big success, the use of smartphones for sensitive applications has not become widely popular. The reason behind this is that users, being increasingly aware about security, do not trust their smartphones to protect sensitive applications from attackers. The goal of this thesis is to strengthen users trust in their devices. We cover this trust problem with two complementary approaches: provable security and hardware primitives. In the first part, our goal is to demonstrate the limits of the existing technologies in smartphones architectures. To this end, we analyze two widely deployed systems in which careful design was applied in order to enforce their security guarantee: the Android KeyStore, which is the component shielding users cryptographic keys in Android smartphones, and the family of Secure Channel Protocols (SCPs) defined by the GlobalPlatform consortium. Our study relies on the paradigm of provable security. Despite being perceived as rather theoretical and abstract, we show that this tool can be handily used for real-world systems to find security vulnerabilities. This shows the important role that can play provable security for trust by being able to formally prove the absence of security flaws or to identify them if they exist. The second part focuses on complex systems that cannot cost-effectively be formally verified. We begin by investigating the dual-execution-environment approach. Then, we consider the case when this approach is built upon some particular hardware primitives, namely the ARM TrustZone, to construct the so-called Trusted Execution Environment (TEE). Finally, we explore two solutions addressing some of the TEE limitations. First, we propose a new TEE architecture that protects its sensitive data even when the secure kernel gets compromised. This relieves service providers of fully trusting the TEE issuer. Second, we provide a solution in which TEE is used not only for execution protection, but also to guarantee more elaborated security properties (i.e. self-protection and self-healing) to a complex software system like an OS kernel
Tan, Heng Chuan. "Vers des communications de confiance et sécurisées dans un environnement véhiculaire." Thesis, Paris, ENST, 2017. http://www.theses.fr/2017ENST0063/document.
Full textRouting and key management are the biggest challenges in vehicular networks. Inappropriate routing behaviour may affect the effectiveness of communications and affect the delivery of safety-related applications. On the other hand, key management, especially due to the use of PKI certificate management, can lead to high latency, which may not be suitable for many time-critical applications. For this reason, we propose two trust models to assist the routing protocol in selecting a secure end-to-end path for forwarding. The first model focusses on detecting selfish nodes, including reputation-based attacks, designed to compromise the “true” reputation of a node. The second model is intended to detect forwarders that modify the contents of a packet before retransmission. In key management, we have developed a Secure and Authentication Key Management Protocol (SA-KMP) scheme that uses symmetric cryptography to protect communication, including eliminating certificates during communication to reduce PKI-related delays
Alouache, Lylia. "Protocoles de Routage SDN, Multi-critères et Sécurisés Dans un Environnement IoV Collaboratif." Thesis, Cergy-Pontoise, 2019. http://www.theses.fr/2019CERG1041.
Full textNowadays, Big Data, Cloud Computing, and Internet of Things (IoT) have encouraged the generalization of the Vehicular Ad Hoc Networks (VANET) to the Internet of Vehicles (IoV), where vehicles evolve from passive actors of transportation to smart entities with new perception and communication capabilities. Vehicles become active members of a smart city, they provide an omnipresent connectivity, a wide range of applications and services relating to road safety, intelligent transport and the comfort of users. In addition, the large amount of data generated by IoV applications is a major challenge in their management, storage, and manipulation. These services depend greatly on the vehicles in question, which act as transmitters, relays, and receivers. Vehicles carry out their own communications but serve simultaneously as information relays for communication between other vehicles as well. Consequently, reliable dissemination process and connectivity are required. However, the dynamic nature of the IoV entities, the disturbances related to the mobile network as well as the security challenges lead to frequent link failure. In fact, some vehicles
Bernier, Sandrine. "Perceptions des risques industriels et nucléaires. Enjeux, négociations et construction sociale des seuils d'acceptation des risques." Phd thesis, Université François Rabelais - Tours, 2007. http://tel.archives-ouvertes.fr/tel-00307754.
Full textL'originalité de cette recherche tient à la dimension importante de terrain local que nous apportons, qui se compose de sites classés Seveso et nucléaires implantés en Indre et Loire. Nous avons interrogé cinq catégories d'acteurs par entretien ou par questionnaire dans le but de comprendre leur position vis-à-vis des situations de risques technologiques. Leurs discours permettent de comprendre et d'affiner les seuils d'acceptation qu'ils définissent autour des risques industriels et de faire ressortir la complexité d'une situation mêlant enjeux politiques, pressions environnementales, logiques économiques et contraintes sécuritaires, vers un positionnement flou et complexe. Ce terrain éclaire une réalité faite de contrastes sur les perceptions de risques d'aujourd'hui.
Rabut, Gaëlle. "Le préjudice en droit pénal." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0173/document.
Full textThe notion of prejudice habitually falls within the boundaries of civil law. As a traditionaland inescapable feature of this discipline, prejudice is today sparking off heated debates amongspecialists. Confronted with this new trend, criminal law experts can rightfully wonder about the placeof prejudice in criminal law. If the concept is little used in this law area, it is nonetheless not totallyunknown. However, the study of prejudice in criminal law will have to prove the irrelevance of thisnotion in that regard. This difference between civil and criminal law can be accounted for by thedistinct purposes of these two areas of the law. Whereas civil law aims at seeking redress for harminflicted on individuals, criminal law is guided by the imperative need to protect general interestthrough the maintenance of law and order.Thus, prejudice does not fall within the scope of the criminal offence theory. It is neither taken intoaccount in the process of defining offences by the lawmaker nor in the classification of the offence bythe trial court. Prejudice is not a constituent part of the infringement and thus is not tantamount to itsoutcome. Furthermore, the notion of prejudice plays a limited role in the theory of criminal lawprocedure. If prejudice appears as a condition governing the admissibility of a civil action brought incourt it is because it is perceived as a legal action for damages, for the sole purpose of monetarycompensation. On the other hand, prejudice is not a condition for criminal proceedings with thepurpose of punishing the offence
Soares, Bruno Filipe Carvalho. "Cultura organizacional, modelos de gestão e inovação em hospitais de ensino: estudo de caso – Hospital-Escola da Universidade Fernando Pessoa." Doctoral thesis, 2022. http://hdl.handle.net/10284/10914.
Full textIn the 20th century, we witnessed the development of the information society based on the technological revolution, which would later give rise to the so-called knowledge society. Faced with permanent competitive challenges, characterized by turbulence and unpredictability, organizations are called to innovate, seeking a balance of valorization between human capital and its technological, material and financial resources, premises that will allow them to survive or develop. The organizational culture and the management model emerge as crucial elements for the organization to develop, assuming a decisive and competitive role in innovation and subsequently in the market. The theme of this research is “Organizational culture, management models and innovation in teaching hospitals. Case study –School-Hospital of the University Fernando Pessoa” and aims to analyze the importance of organizational culture and the management model for innovation at the School-Hospital. The research problem was expressed through the following questions: Which factors underlie the organizational culture implemented in the organization? With this work environment, is it possible to develop innovation in HE? What actions can be taken to improve the organizational culture and the management model conducive to differentiation and innovation? To respond to the research problem and the research objectives, a mixed study was developed with the integration of a qualitative and quantitative methodology. In the quantitative study, an interview was applied to the Management Council and the Coordinators of the HE, with the aim of evaluating the following categories: (1) Difficulties in the course of management; (2) Labor relationship with employees; (3) HE-UFP organizational culture; (4) Motivation of employees; (5) Management Model; (6) Innovation. In the qualitative study, a vertical and horizontal content analysis of the data was carried out, where comparisons were made between the various categories. The results show that those responsible for HE are aware of the importance of human capital and its valorization as determining factors for innovation and competitiveness. In the quantitative study, a questionnaire was administered to 291 employees, seeking to assess their perception in the following dimensions: (1) Innovation management model; (2) Innovation in value creation; (3) Organizational Model; (4) Innovation in the value proposition; (5) Innovation in value collection; (6) Organizational Culture; (7) Satisfaction; (8) Commitment to HE; (9) Talent Retention; (10) Recommendation and (11) Intention to Turnover. Quantitative data obtained through a questionnaire were analyzed in SPSS (univariate, bivariate and multivariate analysis), using statistical techniques such as frequencies, means, standard deviation, t test, chi-square, correlations and linear regression. Obtained very satisfactory Cronbach's alpha values. From the results, it was found that employees in average terms (M=3.69; SD=0.886) consider there to be innovation in value creation and innovation in the value proposition (M=3.73; SD=0.886). They also consider that the HE regularly uses new communication channels for products and services (M=3.91; SD=0.857) and that it regularly seeks to respond to the needs of its customers (M=4.05; SD=0.874). In the evaluation of the innovation of HE's products and services in relation to competitors, the values presented were lower (M=3.47; SD=0.959). Regarding innovation in value collection, respondents recognize that in the HE there is innovation in value collection (M=3.66; SD=0.859. In the evaluation of the organizational model, very expressive levels of agreement were obtained (M= 4.01; SD= 0.891). Employees widely recognize the organizational culture (M= 3.81; SD= 0.941) and feel proud to work in their department/service (M=4.47; SD= 0.686) and that the focus of management is the service and quality (M=4.18; SD=0.902). It is noteworthy that employees claim that their work is recognized and rewarded (M=4.18; SD=0.826) and that the HE-UFP bets on training to enhance innovation (M=4.15; SD=0.860) . They revealed a high level of satisfaction with their work, with very high levels of agreement being registered in all the propositions presented (M=4.17; SD=0.821). The collaborators consider and recommend the HE as a reference place to work (M=4.13; SD=0.871).
Au 20ème siècle, nous avons assisté au développement de la société de l'information basée sur la révolution technologique, qui allait plus tard donner naissance à la société dite de la connaissance. Face à des défis concurrentiels permanents, caractérisés par la turbulence et l'imprévisibilité, les organisations sont appelées à innover, à la recherche d'un équilibre de valorisation entre le capital humain et ses ressources technologiques, matérielles et financières, prémisses qui leur permettront de survivre ou de se développer. La culture organisationnelle et le modèle de gestion apparaissent comme des éléments cruciaux pour le développement de l'organisation, assumant un rôle décisif et competitive dans l'innovation et par la suite sur le marché. Le thème de cette recherche est « Culture organisationnelle, modèles de gestion et innovation dans les hôpitaux universitaires. Étude de cas – Hôpital-École de l'Université Fernando Pessoa” et vise à analyser l'importance de la culture organisationnelle et du modèle de gestion pour l'innovation dans l'Hôpital-École. La problématique de recherche a été exprimée à travers les questions suivantes: Quels facteurs sous-tendent la culture organisationnelle mise en oeuvre dans l'organisation? Avec cet environnement de travail, est-il possible de développer l'innovation dans l'ES? Quelles actions peuvent être menées pour améliorer la culture organisationnelle et le modèle de management propices à la différenciation et à l'innovation ? Pour répondre à la problématique de recherche et aux objectifs de recherche, une étude mixte a été développée avec l'intégration d'une méthodologie qualitative et quantitative. Dans l'étude quantitative, un entretien a été appliqué au Conseil de Direction et aux Coordinateurs de l'ES, dans le but d'évaluer les catégories suivantes : (1) Difficultés en cours de gestion; (2) Relations de travail avec les employés; (3) la culture organisationnelle de la HE-UFP; (4) Motivation des employés; (5) modèle de gestion; (6) Innovation. Dans l'étude qualitative, une analyse de contenu verticale et horizontale des données a été effectuée, où des comparaisons ont été faites entre les différentes catégories. Les résultats montrent que les responsables de l'ES sont conscients de l'importance du capital humain et de sa valorisation comme facteurs déterminants pour l'innovation et la compétitivité. Dans l'étude quantitative, un questionnaire a été administré à 291 salariés, cherchant à évaluer leur perception dans les dimensions suivantes : (1) Modèle de gestion de l'innovation; (2) Innovation dans la création de valeur ; (3) modèle organisationnel; (4) Innovation dans la proposition de valeur; (5) Innovation dans la collecte de valeurs; (6) Culture organisationnelle; (7) Satisfaction; (8) Engagement envers l'ES; (9) Maintien des talents; (10) Recommandation et (11) Intention de rotation. Les données quantitatives obtenues grâce à un questionnaire ont été analysées dans SPSS (analyse univariée, bivariée et multivariée), en utilisant des techniques statistiques telles que fréquences, moyennes, écart-type, test t, chi carré, corrélations et régression linéaire. ont obtenu des valeurs alpha de Cronbach très satisfaisantes. À partir des résultats, il a été constaté que les employés en termes moyens (M = 3,69 ; SD = 0,886) considèrent qu'il y a innovation dans la création de valeur et innovation dans la proposition de valeur (M =3,73 ; SD = 0,886). Ils considèrent également que l'ES utilise régulièrement de nouveaux canaux de communication pour les produits et services (M=3,91 ; ET=0,857) et qu'il cherche régulièrement à répondre aux besoins de ses clients (M=4,05 ; ET=0,874). Dans l'évaluation de l'innovation des produits et services de HE par rapport aux concurrents, les valeurs présentées étaient plus faibles (M=3,47 ; SD=0,959). En ce qui concerne l'innovation dans la collecte de valeurs, les répondants reconnaissent que dans l'ES, il y a une innovation dans la collecte de valeurs (M=3,66 ; SD=0,859. Dans l'évaluation du modèle organisationnel, des niveaux d'accord très expressifs ont été obtenus (M= 4,01 ; SD= 0,891). Les employés reconnaissent largement la culture organisationnelle (M= 3,81; ÉT = 0,941) et se sentent fiers de travailler dans leur département/service (M = 4,47 ; ÉT = 0,686) et que la direction se concentre sur le service et la qualité (M = 4,18 ; ET=0.902). Il est à noter que les salariés affirment que leur travail est reconnu et récompensé (M=4,18 ; ÉT=0,826) et que la HE-UFP mise sur la formation pour favoriser l'innovation (M=4,15 ; ÉT=0,860) . Ils ont révélé un haut niveau de satisfaction vis-à-vis de leur travail, avec des niveaux d'accord très élevés enregistrés dans toutes les propositions présentées (M=4,17 ; SD=0,821). Les collaborateurs considèrent et recommandent l'ES comme lieu de travail de référence (M=4.13; SD=0.871).