{"id":111687,"date":"2023-11-22T03:10:24","date_gmt":"2023-11-22T01:10:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/czenzuroustojchivaya-sistema-domennyh-imyon-gns-poluchila-status-predlozhennogo-standarta"},"modified":"2023-11-22T03:10:24","modified_gmt":"2023-11-22T01:10:24","slug":"czenzuroustojchivaya-sistema-domennyh-imyon-gns-poluchila-status-predlozhennogo-standarta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/czenzuroustojchivaya-sistema-domennyh-imyon-gns-poluchila-status-predlozhennogo-standarta","title":{"rendered":"Le syst\u00e8me de noms de domaine r\u00e9sistant \u00e0 la censure GNS a obtenu le statut de norme propos\u00e9e","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le comit\u00e9 IETF (Internet Engineering Task Force), charg\u00e9 de l'\u00e9volution des protocoles et de l'architecture de l'internet, a termin\u00e9 la r\u00e9daction du RFC pour le syst\u00e8me de noms de domaine GNS (GNU Name System), d\u00e9velopp\u00e9 par le projet GNUnet en tant que remplacement totalement d\u00e9centralis\u00e9 et r\u00e9sistant \u00e0 la censure du DNS. La sp\u00e9cification, publi\u00e9e en tant que RFC-9498, a obtenu le statut de \u00ab Proposition de standard \u00bb. Une mise en \u0153uvre enti\u00e8rement conforme au RFC publi\u00e9 est incluse dans la plateforme GNUnet 0.20.0 et est \u00e9galement disponible dans la base de code du projet GNUnet-Go.           <\/p>\n<p>GNS peut \u00eatre utilis\u00e9 parall\u00e8lement \u00e0 DNS et dans des applications traditionnelles, telles que les navigateurs web. L'int\u00e9grit\u00e9 et l'immuabilit\u00e9 des enregistrements sont assur\u00e9es par des m\u00e9canismes cryptographiques. Contrairement \u00e0 DNS, GNS utilise un graphique dirig\u00e9 au lieu d'une hi\u00e9rarchie arborescente. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/\"   title=\"serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1648\">serveurs<\/a> un graphe orient\u00e9 est utilis\u00e9. La transformation des noms est similaire \u00e0 celle du DNS, mais les requ\u00eates et les r\u00e9ponses se font dans le respect de la confidentialit\u00e9 \u2014 le n\u0153ud qui traite la requ\u00eate ne sait pas \u00e0 qui la r\u00e9ponse est donn\u00e9e, et les n\u0153uds de transit ainsi que les observateurs tiers ne peuvent pas d\u00e9chiffrer les requ\u00eates et les r\u00e9ponses.    <\/p>\n<p>La zone DNS dans GNS est d\u00e9finie \u00e0 l'aide d'une paire de cl\u00e9s publiques et priv\u00e9es ECDSA bas\u00e9e sur la courbe elliptique Curve25519. L'utilisation de Curve25519 est per\u00e7ue par certains comme un choix assez \u00e9trange, car d'autres types de courbes elliptiques sont g\u00e9n\u00e9ralement utilis\u00e9s pour l'ECDSA, et avec Curve25519, l'algorithme de signature num\u00e9rique Ed25519 est souvent employ\u00e9, qui est plus moderne, plus s\u00e9curis\u00e9 et plus rapide que l'ECDSA. Du point de vue de la r\u00e9sistance cryptographique, le choix de la taille de la cl\u00e9 soul\u00e8ve \u00e9galement des questions \u2014 32 octets au lieu de 64 octets, qui sont g\u00e9n\u00e9ralement utilis\u00e9s pour Ed25519, ainsi que l'application d'un chiffrement sym\u00e9trique en cascade, utilisant les algorithmes AES et TwoFish en mode CFB.    <\/p>\n<p>Une telle approche s'explique par la n\u00e9cessit\u00e9 de mettre en \u0153uvre des cl\u00e9s hi\u00e9rarchiques, permettant d'utiliser la cl\u00e9 publique racine pour extraire la cl\u00e9 publique enfant, en profitant de la propri\u00e9t\u00e9 de lin\u00e9arit\u00e9 de la courbe Curve25519. Cette caract\u00e9ristique permet d'obtenir des cl\u00e9s publiques enfants sans conna\u00eetre les cl\u00e9s priv\u00e9es racines. Cette technique est \u00e9galement utilis\u00e9e dans Bitcoin. La taille de la cl\u00e9 de 32 octets a \u00e9t\u00e9 choisie afin qu'elle puisse tenir dans un seul enregistrement DNS.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60162\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430, \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 RFC \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043e\u043c\u0435\u043d\u043d\u044b\u0445 \u0438\u043c\u0451\u043d GNS (GNU Name System), \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c GNUnet \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0434\u0435\u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0438 \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0439 \u0434\u043b\u044f \u0446\u0435\u043d\u0437\u0443\u0440\u044b \u0437\u0430\u043c\u0435\u043d\u044b DNS. \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u043a\u0430\u043a RFC-9498, \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0430 \u0441\u0442\u0430\u0442\u0443\u0441 &#171;\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430&#187;. \u041f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 RFC \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f GNS \u0432\u0445\u043e\u0434\u0438\u0442 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b GNUnet [&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-111687","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta 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