{"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\/no\/blog\/news\/formal-security-verification-completed-for-the-sel4-microkernel-on-aarch64","title":{"rendered":"Formell sikkerhetsverifikasjon av mikro-kjernen seL4 for AArch64-arkitekturen er fullf\u00f8rt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Arbeidet med matematisk formell verifikasjon av p\u00e5liteligheten og sikkerheten til mikro-kjernen seL4 p\u00e5 systemer med AArch64 instruksjonssettarkitektur er avsluttet. Verifikasjonen reduseres til et matematisk bevis p\u00e5 korrektheten av seL4, som bekrefter fullstendig overensstemmelse med spesifikasjonene fastsatt p\u00e5 et formelt spr\u00e5k. Beviset p\u00e5 p\u00e5litelighet tillater bruk av seL4 i kritiske systemer basert p\u00e5 ARM64-prosessorer som krever et h\u00f8yere sikkerhetsniv\u00e5 og garanterer frav\u00e6r av feil.     <\/p>\n<p>Mikro-kjernen seL4 ble opprinnelig verifisert for 32-bits ARM-prosessorer, og senere for 64-bits x86- og RISC-V-prosessorer. Verifikasjonen garanterer at dersom det oppst\u00e5r en feil i en del av systemet, vil ikke denne feilen spre seg til resten av systemet og dets kritiske deler. I konteksten av sikkerhet bekrefter verifikasjonen at kjernen gir tilstrekkelig niv\u00e5 av applikasjonsisolasjon, forhindrer dem i \u00e5 f\u00e5 tilgang til informasjon uten autorisasjon, og garanterer at i tilfelle av kompromittering av sekund\u00e6re applikasjoner, vil ikke angrepet spre seg til kritisk viktige applikasjoner.    <\/p>\n<p>Arkitekturen til mikrokjernen seL4 er bemerkelsesverdig for \u00e5 ha flyttet deler av kjernens ressursstyring til brukerens rom, og anvendte de samme tilgangskontrollmidlene for disse ressursene som for brukerrressurser. Mikrokjernen gir ingen klare h\u00f8yniv\u00e5-abstraksjoner for h\u00e5ndtering av filer, prosesser, nettverksforbindelser osv.; den gir kun minimale mekanismer for \u00e5 h\u00e5ndtere tilgang til fysisk adresseomr\u00e5de, avbrudd og prosessorressurser. H\u00f8yniv\u00e5-abstraksjoner og drivere for \u00e5 interagere med maskinvare implementeres separat over mikrokjernen i form av oppgaver som kj\u00f8rer p\u00e5 brukerniv\u00e5. Tilgangen til mikrokjernens ressurser for slike oppgaver er organisert gjennom definerte regler.<br \/>\n<br \/>Kilde: <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 5.0.5 - 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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