{"id":104971,"date":"2022-08-30T15:36:43","date_gmt":"2022-08-30T13:36:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-fedora-linux-39-planiruyut-po-umolchaniyu-otklyuchit-podderzhku-podpisej-na-osnove-sha-1"},"modified":"2022-08-30T15:36:43","modified_gmt":"2022-08-30T13:36:43","slug":"v-fedora-linux-39-planiruyut-po-umolchaniyu-otklyuchit-podderzhku-podpisej-na-osnove-sha-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/v-fedora-linux-39-planiruyut-po-umolchaniyu-otklyuchit-podderzhku-podpisej-na-osnove-sha-1","title":{"rendered":"I Fedora Linux 39 planerar man att som standard inaktivera st\u00f6d f\u00f6r SHA-1-signaturer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Fedora-projektets utvecklare har planerat att avsluta st\u00f6det f\u00f6r digitala signaturer baserade p\u00e5 SHA-1-algoritmen i Fedora Linux 39. Avst\u00e4ngningen inneb\u00e4r att f\u00f6rtroendet f\u00f6r signaturer som anv\u00e4nder SHA-1-hashar kommer att upph\u00f6ra (SHA-224 kommer att deklareras som det minimi-st\u00f6dda i digitala signaturer), men st\u00f6det f\u00f6r HMAC med SHA-1 kommer att bevaras och m\u00f6jligheten att aktivera LEGACY-profilen med SHA-1 kommer att erbjudas. Efter dessa \u00e4ndringar kommer OpenSSL-biblioteket som standard att b\u00f6rja blockera generering och verifiering av signaturer med SHA-1.     <\/p>\n<p>Avst\u00e4ngningen planeras att genomf\u00f6ras i flera steg: I Fedora Linux 36 kommer signaturer baserade p\u00e5 SHA-1 att uteslutas fr\u00e5n policyn &#171;FUTURE&#187;, en testpolicy TEST-FEDORA39 kommer att tillhandah\u00e5llas f\u00f6r att avaktivera SHA-1 p\u00e5 anv\u00e4ndarens beg\u00e4ran (update-crypto-policies &#8212;set TEST-FEDORA39), vid skapandet och verifiering av signaturer baserade p\u00e5 SHA-1 kommer varningar att visas i loggen. Under f\u00f6rberedelserna f\u00f6r Fedora Linux 38 till beta-versionen kommer en policy att till\u00e4mpas i rawhide-repoet som f\u00f6rbjuder anv\u00e4ndning av signaturer baserade p\u00e5 SHA-1, men i beta-utg\u00e5van och releasen av Fedora Linux 38 kommer denna \u00e4ndring inte att till\u00e4mpas. I Fedora Linux 39 kommer policyn som avbryter st\u00f6det f\u00f6r signaturer baserade p\u00e5 SHA-1 att till\u00e4mpas som standard.  <\/p>\n<p>Den f\u00f6reslagna planen har \u00e4nnu inte diskuterats av FESCo (Fedora Engineering Steering Committee), som ansvarar f\u00f6r den tekniska delen av utvecklingen av Fedora-distributionen. Avst\u00e4ngningen av st\u00f6d f\u00f6r signaturer baserade p\u00e5 SHA-1 beror p\u00e5 en \u00f6kning av effektiviteten i kollisionsattacker med fast prefix (kostnaden f\u00f6r att hitta en kollision uppskattas till flera tiotusentals dollar). I webbl\u00e4sare har certifikat som utf\u00e4rdats med SHA-1-algoritmen m\u00e4rkts som os\u00e4kra sedan mitten av 2016.<br \/>\n<br \/>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57697\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Fedora \u043d\u0430\u043c\u0435\u0442\u0438\u043b\u0438 \u043f\u043b\u0430\u043d \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 SHA-1 \u0432 Fedora Linux 39. \u041e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u0434\u043e\u0432\u0435\u0440\u0438\u044f \u043a \u043f\u043e\u0434\u043f\u0438\u0441\u044f\u043c, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0445\u044d\u0448\u0438 SHA-1 (\u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0432 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u044f\u0445 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u044f\u0432\u043b\u0435\u043d SHA-224), \u043d\u043e \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 HMAC \u0441 SHA-1 \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c LEGACY-\u043f\u0440\u043e\u0444\u0438\u043b\u044c \u0441 SHA-1. \u041f\u043e\u0441\u043b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 [&hellip;]<\/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-104971","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" 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