{"id":183094,"date":"2026-08-25T04:53:36","date_gmt":"2026-08-25T02:53:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypolnena-formalnaya-verifikacziya-bezopasnosti-mikroyadra-sel4-dlya-arhitektury-aarch64"},"modified":"2026-08-25T04:53:42","modified_gmt":"2026-08-25T02:53:42","slug":"formal-security-verification-completed-for-the-sel4-microkernel-on-aarch64","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/formal-security-verification-completed-for-the-sel4-microkernel-on-aarch64","title":{"rendered":"La v\u00e9rification formelle de la s\u00e9curit\u00e9 du micro-noyau seL4 pour l'architecture AArch64 a \u00e9t\u00e9 r\u00e9alis\u00e9e.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le travail sur la v\u00e9rification formelle math\u00e9matique de la fiabilit\u00e9 et de la s\u00e9curit\u00e9 du fonctionnement du micro-noyau seL4 sur les syst\u00e8mes avec une architecture de jeu d'instructions AArch64 est termin\u00e9. La v\u00e9rification se r\u00e9sume \u00e0 une preuve math\u00e9matique de la correction du fonctionnement de seL4, qui t\u00e9moigne de la conformit\u00e9 compl\u00e8te aux sp\u00e9cifications d\u00e9finies dans un langage formel. La preuve de fiabilit\u00e9 permet d'utiliser seL4 dans des syst\u00e8mes critiques bas\u00e9s sur des processeurs ARM64, n\u00e9cessitant un niveau de s\u00e9curit\u00e9 \u00e9lev\u00e9 et garantissant l'absence de pannes.     <\/p>\n<p>\u00c0 l'origine, le micro-noyau seL4 a \u00e9t\u00e9 v\u00e9rifi\u00e9 pour les processeurs ARM 32 bits, puis pour les processeurs 64 bits x86 et RISC-V. La v\u00e9rification garantit que, en cas de d\u00e9faillance dans une partie du syst\u00e8me, cette d\u00e9faillance ne se propagera pas au reste du syst\u00e8me et \u00e0 ses parties critiques. Dans le cadre de la s\u00e9curit\u00e9, la v\u00e9rification confirme que le noyau assure un niveau d'isolation ad\u00e9quat des applications, ne leur permet pas d'acc\u00e9der \u00e0 des informations sans autorisation et garantit qu'en cas de compromission d'applications secondaires, l'attaque ne se propagera pas aux applications critiques.    <\/p>\n<p>L'architecture du micro-noyau seL4 se distingue par le d\u00e9placement des parties de gestion des ressources du noyau dans l'espace utilisateur et l'application pour ces ressources des m\u00eames moyens de s\u00e9paration d'acc\u00e8s que pour les ressources utilisateur. Le micro-noyau ne fournit pas d'abstractions haut niveau pr\u00eates \u00e0 l'emploi pour la gestion des fichiers, des processus, des connexions r\u00e9seau, etc., mais il fournit uniquement des m\u00e9canismes minimaux pour g\u00e9rer l'acc\u00e8s \u00e0 l'espace d'adressage physique, aux interruptions et aux ressources du processeur. Les abstractions haut niveau et les pilotes pour interagir avec le mat\u00e9riel sont mis en \u0153uvre s\u00e9par\u00e9ment au-dessus du micro-noyau sous forme de t\u00e2ches ex\u00e9cut\u00e9es au niveau utilisateur. L'acc\u00e8s de ces t\u00e2ches aux ressources du micro-noyau est organis\u00e9 par la d\u00e9finition de r\u00e8gles.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66127\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0417\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0444\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0440\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438 \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u043c\u0438\u043a\u0440\u043e\u044f\u0434\u0440\u0430 seL4 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043e\u0439 \u043d\u0430\u0431\u043e\u0440\u0430 \u043a\u043e\u043c\u0430\u043d\u0434 AArch64. \u0412\u0435\u0440\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u043c\u0443 \u0434\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0443 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0441\u0442\u0438 \u0440\u0430\u0431\u043e\u0442\u044b seL4, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0441\u0432\u0438\u0434\u0435\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0443\u0435\u0442 \u043e \u043f\u043e\u043b\u043d\u043e\u043c \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0437\u0430\u0434\u0430\u043d\u043d\u044b\u043c \u043d\u0430 \u0444\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u043c \u044f\u0437\u044b\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f\u043c. \u0414\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u043e \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c seL4 \u0432 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u0430\u0436\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 ARM64, \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183094","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0417\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0444\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0440\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438 \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 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