{"id":77154,"date":"2020-04-08T07:41:59","date_gmt":"2020-04-08T05:41:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy"},"modified":"2020-04-08T07:41:59","modified_gmt":"2020-04-08T05:41:59","slug":"microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy","title":{"rendered":"Microsoft a propos\u00e9 un module du noyau Linux pour v\u00e9rifier l'int\u00e9grit\u00e9 du syst\u00e8me","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Les d\u00e9veloppeurs de la soci\u00e9t\u00e9 Microsoft a \u00e9t\u00e9 pr\u00e9sent\u00e9e<\/a><\/noindex> m\u00e9canisme de v\u00e9rification d'int\u00e9grit\u00e9 IPE<\/a><\/noindex> (Integrity Policy Enforcement), mis en \u0153uvre sous la forme d'un module LSM (Linux Security Module) pour le noyau Linux. Ce module permet de d\u00e9finir une politique g\u00e9n\u00e9rale de garantie d'int\u00e9grit\u00e9 pour l'ensemble du syst\u00e8me, sp\u00e9cifiant quelles op\u00e9rations sont autoris\u00e9es et comment v\u00e9rifier l'authenticit\u00e9 des composants. Gr\u00e2ce \u00e0 l'IPE, il est possible de sp\u00e9cifier quels fichiers ex\u00e9cutables peuvent \u00eatre lanc\u00e9s et de garantir que ces fichiers correspondent \u00e0 la version fournie par une source fiable. Le code est ouvert<\/a><\/noindex> sous licence MIT.<\/p>\n

IPE vise \u00e0 cr\u00e9er des syst\u00e8mes enti\u00e8rement v\u00e9rifiables, dont l'int\u00e9grit\u00e9 est confirm\u00e9e depuis le chargeur initial et le noyau jusqu'aux fichiers ex\u00e9cutables finaux, aux configurations et aux fichiers charg\u00e9s. En cas de modification ou de substitution d'un fichier, l'IPE peut bloquer l'op\u00e9ration ou enregistrer le fait de la violation de l'int\u00e9grit\u00e9. Le m\u00e9canisme propos\u00e9 peut \u00eatre utilis\u00e9 dans les firmwares pour les dispositifs int\u00e9gr\u00e9s, o\u00f9 tous les logiciels et param\u00e8tres sont sp\u00e9cifiquement assembl\u00e9s et fournis par le propri\u00e9taire, par exemple, dans les centres de donn\u00e9es Microsoft, l'IPE est utilis\u00e9 dans le mat\u00e9riel des pare-feux.<\/p>\n

Contrairement \u00e0 d'autres syst\u00e8mes de v\u00e9rification d'int\u00e9grit\u00e9, tels que IMA<\/a><\/noindex>, IPE se distingue par son ind\u00e9pendance des m\u00e9tadonn\u00e9es dans le syst\u00e8me de fichiers \u2014 toutes les propri\u00e9t\u00e9s d\u00e9finissant la validit\u00e9 des op\u00e9rations sont stock\u00e9es directement dans le noyau. Pour v\u00e9rifier l'int\u00e9grit\u00e9 du contenu des fichiers \u00e0 l'aide de hachages cryptographiques, des m\u00e9canismes d\u00e9j\u00e0 existants dans le noyau sont utilis\u00e9s.
\ndm-verity<\/a><\/noindex> ou fs-verity<\/a><\/noindex>.
\nDe la m\u00eame mani\u00e8re que SELinux, deux modes de fonctionnement sont pris en charge : \u00ab permissive \u00bb et \u00ab enforce \u00bb. En mode permissif, seul un journal des probl\u00e8mes lors des v\u00e9rifications est tenu, ce qui peut \u00eatre utilis\u00e9, par exemple, pour tester pr\u00e9alablement l'environnement.<\/p>\n

<\/a><\/noindex><\/p>\n

Source : opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Microsoft \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 IPE (Integrity Policy Enforcement), \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0432 \u0432\u0438\u0434\u0435 LSM-\u043c\u043e\u0434\u0443\u043b\u044f (Linux Security Module) \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux. \u041c\u043e\u0434\u0443\u043b\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043e\u0431\u0449\u0443\u044e \u043f\u043e\u043b\u0438\u0442\u0438\u043a\u0443 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f 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\u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0438 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c, […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-77154","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Microsoft a propos\u00e9 un module du noyau Linux pour la v\u00e9rification d'int\u00e9grit\u00e9 du syst\u00e8me | ProHoster","description":"Les d\u00e9veloppeurs de la soci\u00e9t\u00e9 Microsoft ont pr\u00e9sent\u00e9 un 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