{"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\/novosti-interneta\/razrabotchik-wireguard-serezno-uskoril-vyzov-getrandom-v-linux","title":{"rendered":"Wireguardi arendaja on olulisel m\u00e4\u00e4ral kiirendanud getrandom() kutsumist Linuxis.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Jason A. Donenfeld, WireGuard'i looja, tutvustas patareisid, mis kiirendavad juhuslike arvude saamiste protsessi s\u00fcsteemilt funktsiooni getrandom() kaudu, mis on ellu viidud vastava Linuxi s\u00fcstemikutsungi kaudu. Selle lahenduse eelis v\u00f5rreldes \/dev\/random v\u00f5i \/dev\/urandom'i kasutamisega on kaitse failikirjeldajate ammendumise r\u00fcnnakute eest, mis v\u00f5ivad viia mitte-initsialiseeritud ja mitte-juhuslike kr\u00fcptograafiliste v\u00f5tmete genereerimiseni. <\/p>\n

Pakutud optimeerimine p\u00f5hineb vDSO (virtuaalne d\u00fcnaamiline jagatud objekt) mehhanismi kasutamisel, mis v\u00f5imaldab viia s\u00fcsteemikutsungi t\u00f6\u00f6tleja kernelist kasutaja ruumi ning v\u00e4ltida kontekstit\u00f6\u00f6tlemisi. Getrandom() puhul on selle funktsiooniga seonduv s\u00fcsteemikutsung kujundatud vDSO kaudu, mille kood laaditakse ette protsessi aadressiruumi otse kernelist. See l\u00e4henemine v\u00f5imaldas juhuslike arvude saamise kiirusel suurendada m\u00f5nes olukorras 15 korda ja rohkem.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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-novosti-interneta"],"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\udd47 Wireguardi arendaja kiirus getrandom() Linuxis t\u00f5siselt kiirus | ProHoster","description":"Jason A. Donenfeld, WireGuardi looja, tutvustas pat\u0161e, mis kiirendavad oluliselt juhuslike numbrite saamist s\u00fcsteemist funktsiooni getrandom() kaudu, mille teostab vastav s\u00fcsteemik\u00f5ne Linuxis. Sellise lahenduse eelis v\u00f5rreldes \/dev\/random v\u00f5i \/dev\/urandom kasutamisega on see, et see ei ole vastuv\u00f5tlik failihalduse ammendamistele, mis v\u00f5ivad viia mitte initsialiseeritud ja mitte-juhuslike kr\u00fcptograafiliste v\u00f5tmete loomisele. Pakutud optimeerimine p\u00f5hineb","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/razrabotchik-wireguard-serezno-uskoril-vyzov-getrandom-v-linux","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Wireguard \u0441\u0435\u0440\u044c\u0435\u0437\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0438\u043b \u0432\u044b\u0437\u043e\u0432 getrandom() \u0432 Linux | ProHoster","og:description":"\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 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