{"id":116956,"date":"2024-07-05T09:05:08","date_gmt":"2024-07-05T07:05:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/razrabotchik-wireguard-serezno-uskoril-vyzov-getrandom-v-linux"},"modified":"2024-07-05T09:05:08","modified_gmt":"2024-07-05T07:05:08","slug":"razrabotchik-wireguard-serezno-uskoril-vyzov-getrandom-v-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/razrabotchik-wireguard-serezno-uskoril-vyzov-getrandom-v-linux","title":{"rendered":"Wireguardi arendaja kiirendas t\u00f5siselt getrandom() kutsumist Linuxis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Jason A. Donenfeld, WireGuard VPN autor, tutvustas pat\u0161i, mis kiirendab oluliselt juhuslike arvude saamist s\u00fcsteemist getrandom() funktsiooni kaudu, mis on rakendatud vastava Linuxi s\u00fcsteemik\u00f5ne kaudu. Sellise lahenduse eelis v\u00f5rreldes \/dev\/random v\u00f5i \/dev\/urandom kasutamisega on see, et see ei ole haavatav failikirjeldajate t\u00fchjendamise r\u00fcnnakutele, mis v\u00f5ivad viia mittealgoritmitud ja mittejuhuslike kr\u00fcptograafiliste v\u00f5tmete saamiseni. <\/p>\n<p>Pakutud optimeerimine p\u00f5hineb vDSO (virtuaalne d\u00fcnaamiline jagatud objekt) mehhanismi kasutamisel, mis v\u00f5imaldab viia s\u00fcsteemik\u00f5ne t\u00f6\u00f6tleja tuumast kasutajara. getrandom() puhul on vDSOs vormistatud selle funktsiooniga seotud s\u00fcsteemik\u00f5ne, mille kood laaditakse eelnevalt protsessi aadressiruumi tuuma poolt. See l\u00e4henemine on v\u00f5imaldanud juhuslike arvude saamist teatud olukordades kiirendada 15 korda v\u00f5i rohkem.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61494\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u0436\u0435\u0439\u0441\u043e\u043d \u0414\u043e\u043d\u0435\u043d\u0444\u0438\u043b\u0434 (Jason A. Donenfeld), \u0430\u0432\u0442\u043e\u0440 VPN WireGuard, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u0430\u0442\u0447\u0438, \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b \u043e\u0442 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0447\u0435\u0440\u0435\u0437 \u0444\u0443\u043d\u043a\u0446\u0438\u044e getrandom(), \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u0447\u0435\u0440\u0435\u0437 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0439 \u0432\u044b\u0437\u043e\u0432 Linux. \u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0442\u0430\u043a\u043e\u0433\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \/dev\/random \u0438\u043b\u0438 \/dev\/urandom \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0435\u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0430\u0442\u0430\u043a\u0430\u043c \u043d\u0430 \u0438\u0441\u0447\u0435\u0440\u043f\u0430\u043d\u0438\u0435 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0434\u0435\u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0440\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0438 \u043d\u0435\u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u043c \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u043a\u043b\u044e\u0447\u0430\u043c. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u0430\u044f \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116956","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u0436\u0435\u0439\u0441\u043e\u043d \u0414\u043e\u043d\u0435\u043d\u0444\u0438\u043b\u0434 (Jason A.\" \/>\n\t<meta name=\"robots\" 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