Literatura académica sobre el tema "Authentification biométrique"
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Artículos de revistas sobre el tema "Authentification biométrique"
Paté, Noémie. "Les effets de l’injonction narrative sur les mineurs non accompagnés, entre résistances et dépendances". psychologie clinique, n.º 53 (2022): 124–35. http://dx.doi.org/10.1051/psyc/202253124.
Texto completoPaté, Noémie. "Les effets de l’injonction narrative sur les mineurs non accompagnés, entre résistances et dépendances". psychologie clinique, n.º 53 (2022): 124–35. http://dx.doi.org/10.1051/psyc/202253124.
Texto completoEstelle Cherrier-Pawlowski. "Authentification biométrique et respect de la vie privée : points de vue et limitations". Bulletin 1024, n.º 20 (noviembre de 2022): 145–60. http://dx.doi.org/10.48556/sif.1024.20.145.
Texto completoAllano, Norène. "Authentification des personnes par des données physiques et comportementales : la biométrie". Diplômées 212, n.º 1 (2005): 331–33. http://dx.doi.org/10.3406/femdi.2005.10368.
Texto completoTesis sobre el tema "Authentification biométrique"
Keuffer, Julien. "Calcul vérifiable et vérification biométrique". Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS156.
Texto completoThis thesis deals with the notion of verifiable computation, which aims at adding a proof of correctness to the result of a computation. Besides, verifying the proof should be more efficient than executing it. Verifiable computation protocols pave the way for delegation of computations to an untrusted party. The first part of this thesis introduces the background required to understand the most important verifiable computation protocols and describes their construction. Many protocols have been proposed since 2012 and some are nearly practical, but the prover often lacks efficiency. Even though several specialized protocols are very efficient, it seems more appropriate to consider protocols that can verify a large class of computations, in order to avoid the multiplications of proofs for each sub-computation. In the second part of this thesis, we leverage proof composition to obtain a non-interactive verifiable computation protocol with a more efficient prover while keeping the expressiveness of the scheme. Some of the existing verifiable computation systems reach additional properties and provide zero-knowledge for the proof with little overhead for the prover. We propose two applications that leverage this property to design new primitives. This first one enables to modify a signed document while keeping a form of authenticity. The second one allows for a privacy-preserving biometric authentication
Karam, Walid. "Imposture audiovisuelle et robustesse de la vérification de l'identité". Paris, Télécom ParisTech, 2010. http://www.theses.fr/2010ENST0061.
Texto completoWith the emergence of smart phones and third and fourth generation mobile and communication devices, and the appearance of a "first generation" type of mobile PC/PDA/phones with biometric identity verification, there has been recently a greater attention to secure communication and to guaranteeing the robustness of embedded multi-modal biometric systems. The robustness of such systems promises the viability of newer technologies that involve e-voice signatures, e-contracts that have legal values, and secure and trusted data transfer regardless of the underlying communication protocol. Realizing such technologies require reliable and error-free biometric identity verification systems. The robustness of a biometric identity verification (IV) system is best evaluated by monitoring its behavior under impostor attacks. The purpose of this work is threefold :1. It evaluates the performance of IV systems by monitoring their behavior under impostor attacks. Such attacks may include the transformation of one, many, or all of the biometric modalities, such as face or voice. This thesis provides a brief review of IV techniques and corresponding evaluations, and focuses on a statistical approach (GMM). 2. It introduces MixTrans, a novel mixture-structure bias voice transformation technique in the cepstral domain, which allows a transformed audio signal to be estimated and reconstructed in the temporal domain. The reconstructed "forged" speech signal is audibly perceived, and its effect on the verification system is evaluated. It has been proved that voice transformation that attempts to mimic a target speaker affects the performance of the biometric verification system. 3. It proposes a face transformation technique that allows a 2-D face image of the client to be animated. This technique employs principal warps to deform defined MPEG-4 facial feature points based on determined facial animation parameters (FAP). The BANCA database is used to test the effects of voice and face transformation on the IV system. The proposed audiovisual forgery is completely independent from the baseline audiovisual IV system, and can be used to attack any other audiovisual IV system. The results drawn from the experiments show that the state-of-the-art IV systems are vulnerable to forgery attacks, which indicate more impostor acceptance, and, for the same threshold, more genuine client denial
Wirotius, Matthieu. "Authentification par signature manuscrite sur support nomade". Tours, 2005. http://www.theses.fr/2005TOUR4031.
Texto completoWork presented in this thesis concerns authentification using on line handwritten signatures. First we studied the caracterisation of signatures by extraction and selection of global features. The new characteristics proposed are based on the study of fractality and multi-resolution of on line handwritten signatures. Then, in order to improve the results obtained by using a method called Dynamic Time Warping, we present some modifications for matching the points of the signature and proposed new methods to compute the distance between signatures using the whole information available. Finally, we construct an architecture that takes into account the constraints of storing the pattern of the signature in a smart card. The tests realised on databases of signatures show the pertinence of our choices
Hocquet, Sylvain. "Authentification biométrique adaptative : application à la dynamique de frappe et à la signature manuscrite". Tours, 2007. http://www.theses.fr/2007TOUR4028.
Texto completoThe objective of our work is to propose a behavioral biometry system. The first part of this manuscript proposes a state of the art about biometric authentification using behavioral biometrics and one-class problem in order to identify the problems, which remains. The second part presents our propositions. We propose the use of a world model database to allow the adaptation of the system to each user by the determination of personalized parameters. We also study the profile upgrades to keep track of the evolution of the user biometry. The last part of this manuscript presents two applications of our work on biometry authentication system : using keystroke dynamics and on-line handwritten signature. Our experiments show the interest of our recommandations and validate their generality : in both cases, the performances of the behavioral biometric systems increase significantly with our proposition
Chang, Chuan. "Authentification biométrique par dynamique de frappe pour évaluation à distance utilisant SVM à une classe". Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27194.
Texto completoOne-Class Support Vector Machine is an unsupervised algorithm that learns a decision function from only one class for novelty detection. By training the data with only one class, this method is able to classify new data as similar (inlier) or different (outlier) from the training set. In this thesis, we have applied the One-Class Support Vector Machine to Keystroke Dynamics pattern recognition for user authentication in a remote evaluation system at Laval University. Since all of their students have a short and unique identifier at Laval University, this particular static text is used as the Keystroke Dynamics input for a user to build our own dataset. After training a model for each student with his or her keystroke data, we then use this model to detect imposters in the later phase. Three methods were tried and discussed for the classification. Then, we were able to identify weaknesses of each method in such a system by evaluating the recognition accuracy depending on the number of signatures and as a function of their number of characters. Finally, we were able to show some correlations between the dispersion and mode of distributions of features characterizing the keystroke signatures and the recognition rate.
Abid, Mohamed. "Des mécanismes d’authentification basés sur l’identité de l’utilisateur pour renforcer la sécurité des réseaux". Thesis, Evry, Institut national des télécommunications, 2011. http://www.theses.fr/2011TELE0005/document.
Texto completoIn this thesis, we design three new authentication mechanisms based on user identity. Therefore, we bring improvements in access control for different classes of networks such as Home Network, Governmental Network and Cellular Network. The identity can be biometric public features, simple strings (email addresses, login...), etc. The first solution concerns the use of biometric in Home Network' authentication mechanisms. In the Home Network (HN) case study, we aim at personalizing the access of each user in the HN and preventing illegitimate users (passing by the Home Gateway (HG)) to have any access. We propose a new biometric authentication method which respects the constraint of the non storage of the users' Biometric Template (BT) in the HG. To satisfy this constraint, we propose using the fuzzy vault method to hide a secret that should be used for authentication. A software generates a revocable biometric identity (BioID) using a functional transformation. This BioID is used in the fuzzy vault mechanisms to hide a secret session key. The second solution proposes e-Passport authentication mechanisms. The cryptographic parameters are generated using the biometric templates and hence, personalized for the user. In travel document case study, we present our proposal which introduces a new e-Passport authentication mechanisms based on the Elliptic Curve Diffie-Hellman (ECDH) Key Agreement protocol. This protocol is needed to generate a session key used to authenticate the traveler and the Inspection System (IS) to exchange secure data. Our protocol is defined using minutiae data (fingerprint) and iris code of the e-Passport holder. In the third solution, we worked on the Cellular Network and we used a simple string, like email addresses, as identifier to access to services. We choose the IP Multimedia Subsystem (IMS) which is an overlay architecture for the provision of multimedia services. We design a new service authentication mechanism relying on Identity Based Cryptography (IBC) for the IMS architecture. The goal was to authenticate the users using their public and private identifiers to overcome known weaknesses in the Authentication and Key Agreement (AKA) protocol. We focused on the eavesdropping and impersonation attacks that can take place in classical IMS scenario and we showed how our proposed solution can prevent against these attacks. We, then, proposed to add a Batch Verification on the Bootstrapping Server Function (BSF) to decrease signature verification delay and the authentication response time
Abid, Mohamed. "Des mécanismes d'authentification basés sur l'identité de l'utilisateur pour renforcer la sécurité des réseaux". Phd thesis, Institut National des Télécommunications, 2011. http://tel.archives-ouvertes.fr/tel-00629931.
Texto completoBardou, Sophie. "Les traitements de données biométriques en entreprise". Thesis, Montpellier 1, 2010. http://www.theses.fr/2010MON10031/document.
Texto completoBiometry brings together computing techniques that enable the identification of individuals on the basis of their biological, physical appearance and/or behavioral characteristics. Although firstly reserved for the legal system/judiciary domain, biometry tends to be generalized in all spheres of people life. Recently, biometry has also been used in companies who are always receptive to new technologies. Thus, the introduction of identifying devices such as these into a company life has to be the subject of corporate discussions between the managing teams and staff representatives. Indeed, such technologies are often compared to video surveillance, RFID chips, GPS data … and they can lead to the spying of employees if their uses are not well supervised. In the absence of specific laws, the legislator has given the CNIL the abilities to establish the requirements of eligibility of this technology usage within the companies. The "liberty and computing" legislation is then combined with the labor laws in order to apply common principles such as the finality, the proportionality, the loyalty, the transparency of information and employee consents
Abid, Mohamed. "Des mécanismes d’authentification basés sur l’identité de l’utilisateur pour renforcer la sécurité des réseaux". Electronic Thesis or Diss., Evry, Institut national des télécommunications, 2011. http://www.theses.fr/2011TELE0005.
Texto completoIn this thesis, we design three new authentication mechanisms based on user identity. Therefore, we bring improvements in access control for different classes of networks such as Home Network, Governmental Network and Cellular Network. The identity can be biometric public features, simple strings (email addresses, login...), etc. The first solution concerns the use of biometric in Home Network' authentication mechanisms. In the Home Network (HN) case study, we aim at personalizing the access of each user in the HN and preventing illegitimate users (passing by the Home Gateway (HG)) to have any access. We propose a new biometric authentication method which respects the constraint of the non storage of the users' Biometric Template (BT) in the HG. To satisfy this constraint, we propose using the fuzzy vault method to hide a secret that should be used for authentication. A software generates a revocable biometric identity (BioID) using a functional transformation. This BioID is used in the fuzzy vault mechanisms to hide a secret session key. The second solution proposes e-Passport authentication mechanisms. The cryptographic parameters are generated using the biometric templates and hence, personalized for the user. In travel document case study, we present our proposal which introduces a new e-Passport authentication mechanisms based on the Elliptic Curve Diffie-Hellman (ECDH) Key Agreement protocol. This protocol is needed to generate a session key used to authenticate the traveler and the Inspection System (IS) to exchange secure data. Our protocol is defined using minutiae data (fingerprint) and iris code of the e-Passport holder. In the third solution, we worked on the Cellular Network and we used a simple string, like email addresses, as identifier to access to services. We choose the IP Multimedia Subsystem (IMS) which is an overlay architecture for the provision of multimedia services. We design a new service authentication mechanism relying on Identity Based Cryptography (IBC) for the IMS architecture. The goal was to authenticate the users using their public and private identifiers to overcome known weaknesses in the Authentication and Key Agreement (AKA) protocol. We focused on the eavesdropping and impersonation attacks that can take place in classical IMS scenario and we showed how our proposed solution can prevent against these attacks. We, then, proposed to add a Batch Verification on the Bootstrapping Server Function (BSF) to decrease signature verification delay and the authentication response time
Guerfi, Souhila. "Authentification d'individus par reconnaissance de caractéristiques biométriques liées aux visages 2D/3D". Phd thesis, Université d'Evry-Val d'Essonne, 2008. http://tel.archives-ouvertes.fr/tel-00623243.
Texto completoCapítulos de libros sobre el tema "Authentification biométrique"
HAMDI, Omessaad, Mohamed AYMEN CHALOUF y Amal SAMMOUD. "Utilisation de la biométrie pour l’authentification dans les systèmes e-santé". En Gestion de la sécurité en e-santé, 161–81. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9179.ch7.
Texto completo