{"id":37309,"date":"2019-10-31T22:16:54","date_gmt":"2019-10-31T19:16:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-novoj-stabilnoj-vetki-tor-0-4-1\/"},"modified":"2019-10-31T22:16:54","modified_gmt":"2019-10-31T19:16:54","slug":"vypusk-novoj-stabilnoj-vetki-tor-0-4-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-novoj-stabilnoj-vetki-tor-0-4-1","title":{"rendered":"Publication de la nouvelle branche stable Tor 0.4.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blog.torproject.org\/new-release-tor-0415\">Pr\u00e9sent\u00e9<\/a><\/noindex> a publi\u00e9 un ensemble d'outils <noindex><a rel=\"nofollow\" href=\"https:\/\/www.torproject.org\/\">Tor 0.4.1.5<\/a><\/noindex>, utilis\u00e9 pour organiser le fonctionnement du r\u00e9seau anonyme Tor. Tor 0.4.1.5 est consid\u00e9r\u00e9 comme le premier version stable de la branche 0.4.1, qui a \u00e9volu\u00e9 au cours des quatre derniers mois. La branche 0.4.1 sera maintenue dans le cadre du cycle de maintenance standard \u2014 les mises \u00e0 jour cesseront dans 9 mois ou 3 mois apr\u00e8s la sortie de la branche 0.4.2.x. Un cycle de support prolong\u00e9 (LTS) est assur\u00e9 pour la branche 0.3.5, dont les mises \u00e0 jour seront publi\u00e9es jusqu'au 1er f\u00e9vrier 2022.<\/p>\n<p>Les principales nouveaut\u00e9s :<\/p>\n<ul>\n<li class=\"l\"> Un support exp\u00e9rimental pour le remplissage suppl\u00e9mentaire au niveau des cha\u00eenes a \u00e9t\u00e9 mis en \u0153uvre, permettant de renforcer la protection contre les m\u00e9thodes de d\u00e9termination du trafic Tor. Le client ajoute d\u00e9sormais des cellules de remplissage suppl\u00e9mentaires (padding cells) au d\u00e9but des cha\u00eenes <noindex><a rel=\"nofollow\" href=\"https:\/\/2019.www.torproject.org\/docs\/onion-services.html.en\">INTRODUCE et RENDEZVOUS<\/a><\/noindex>, rendant le trafic de ces cha\u00eenes plus semblable au trafic sortant normal. Le co\u00fbt de ce renforcement de la protection est l'ajout de deux cellules suppl\u00e9mentaires dans chaque direction pour les cha\u00eenes RENDEZVOUS, ainsi qu'une cellule en amont et 10 cellules en aval pour les cha\u00eenes INTRODUCE. La m\u00e9thode est activ\u00e9e en sp\u00e9cifiant l'option MiddleNodes dans les param\u00e8tres et peut \u00eatre d\u00e9sactiv\u00e9e via l'option CircuitPadding;\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/2019.www.torproject.org\/images\/tor-onion-services-3.png\"><img decoding=\"async\" alt=\"Publication de la nouvelle branche stable Tor 0.4.1 \" src=\"\/wp-content\/uploads\/2019\/08\/bb9ba343cac523d93cd9127ba5be77e8.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.torproject.org\/26288\">Ajout\u00e9<\/a><\/noindex> support des cellules authentifi\u00e9es SENDME pour se prot\u00e9ger contre <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51309\">les attaques DoS<\/a><\/noindex>, bas\u00e9es sur la cr\u00e9ation d'une charge parasite, lorsque le client demande le t\u00e9l\u00e9chargement de gros fichiers et suspend les op\u00e9rations de lecture apr\u00e8s avoir envoy\u00e9 des requ\u00eates, mais continue d'envoyer des commandes de contr\u00f4le SENDME, instruisant les n\u0153uds d'entr\u00e9e \u00e0 poursuivre la transmission des donn\u00e9es. Chaque cellule<br \/>\nSENDME inclut d\u00e9sormais le hachage du trafic qu'elle confirme, et le n\u0153ud final, lors de la r\u00e9ception de la cellule SENDME, peut s'assurer que l'autre partie a d\u00e9j\u00e0 re\u00e7u le trafic envoy\u00e9 lors du traitement des cellules pr\u00e9c\u00e9dentes;<\/p>\n<li class=\"l\"> Un syst\u00e8me g\u00e9n\u00e9ralis\u00e9 de transmission de messages en mode \u00e9diteur-abonn\u00e9 a \u00e9t\u00e9 int\u00e9gr\u00e9, pouvant \u00eatre utilis\u00e9 pour organiser l'interaction intra-modulaire;\n<li class=\"l\"> Pour l'analyse des commandes de contr\u00f4le, un syst\u00e8me g\u00e9n\u00e9ralis\u00e9 de parsing a \u00e9t\u00e9 mobilis\u00e9 plut\u00f4t que l'analyse distincte des donn\u00e9es d'entr\u00e9e de chaque commande;\n<li class=\"l\"> L'optimisation des performances a \u00e9t\u00e9 r\u00e9alis\u00e9e, permettant de r\u00e9duire la charge sur le CPU. Tor utilise d\u00e9sormais un g\u00e9n\u00e9rateur rapide de nombres al\u00e9atoires pseudo-al\u00e9atoires (PRNG) distinct pour chaque flux, bas\u00e9 sur le mode de chiffrement AES-CTR et l'utilisation de constructions de mise en m\u00e9moire tampon, comme dans libottery et le nouveau code arc4random() d'OpenBSD. Pour de petites sorties, le g\u00e9n\u00e9rateur propos\u00e9 fonctionne presque 100 fois plus rapidement que le CSPRNG d'OpenSSL 1.1.1. Bien que le nouveau PRNG soit consid\u00e9r\u00e9 par les d\u00e9veloppeurs de Tor comme cryptographiquement fiable, il est pour l'instant utilis\u00e9 uniquement dans les endroits n\u00e9cessitant une haute performance, par exemple dans le code de planification de l'attachement de remplissage additionnel.\n<li class=\"l\"> Ajout de l'option \u00ab --list-modules \u00bb pour afficher la liste des modules activ\u00e9s ;\n<li class=\"l\"> Pour la troisi\u00e8me version du protocole des services cach\u00e9s, la commande HSFETCH a \u00e9t\u00e9 mise en \u0153uvre, qui \u00e9tait auparavant prise en charge uniquement par la deuxi\u00e8me version ;\n<li class=\"l\"> Des erreurs dans le code de d\u00e9marrage de Tor (bootstrap) et de fonctionnement de la troisi\u00e8me version du protocole des services cach\u00e9s ont \u00e9t\u00e9 corrig\u00e9es.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51320\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Tor 0.4.1.5, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 Tor. Tor 0.4.1.5 \u043f\u0440\u0438\u0437\u043d\u0430\u043d \u043f\u0435\u0440\u0432\u044b\u043c \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u043c \u0432\u0435\u0442\u043a\u0438 0.4.1, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0430\u0441\u044c \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0447\u0435\u0442\u044b\u0440\u0435 \u043c\u0435\u0441\u044f\u0446\u0430. \u0412\u0435\u0442\u043a\u0430 0.4.1 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u0442\u044c\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0448\u0442\u0430\u0442\u043d\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044f &#8212; \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0451\u043d \u0447\u0435\u0440\u0435\u0437 9 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0438\u043b\u0438 \u0447\u0435\u0440\u0435\u0437 3 \u043c\u0435\u0441\u044f\u0446\u0430 \u043f\u043e\u0441\u043b\u0435 \u0440\u0435\u043b\u0438\u0437\u0430 \u0432\u0435\u0442\u043a\u0438 0.4.2.x. \u0414\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0446\u0438\u043a\u043b \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 (LTS) \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27988,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-37309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 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