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              <p>Ce rapport traite de la sécurisation et de la confidentialité des données personnelles stockées dans dessystèmes répartis. Il explore les défis algorithmiques nécessaires pour restreindre l’accès aux données à unensemble de lecteurs autorisés tout en garantissant leur disponibilité. Pour résoudre ce défi, ce rapportpropose un algorithme de registre lire/écrire partagé linéarisable qui résiste à un maximum de t &lt; n7pannes byzantines, en exploitant l’algorithme d’Adi Shamir, permettant la division et la distribution desdonnées entre entités de confiance.</p>
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