{"id":101436,"date":"2021-09-27T16:22:56","date_gmt":"2021-09-27T14:22:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/ustarevanie-kornevogo-sertifikata-identrust-privedyot-k-potere-doveriya-k-lets-encrypt-na-staryh-ustrojstvah"},"modified":"2021-09-27T16:22:56","modified_gmt":"2021-09-27T14:22:56","slug":"ustarevanie-kornevogo-sertifikata-identrust-privedyot-k-potere-doveriya-k-lets-encrypt-na-staryh-ustrojstvah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/ustarevanie-kornevogo-sertifikata-identrust-privedyot-k-potere-doveriya-k-lets-encrypt-na-staryh-ustrojstvah","title":{"rendered":"La scadenza del certificato root IdenTrust porter\u00e0 a una perdita di fiducia in Let\u2019s Encrypt sui dispositivi pi\u00f9 vecchi.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Il 30 settembre alle 17:01 ora di Mosca scadr\u00e0 la validit\u00e0 del certificato radice della societ\u00e0 IdenTrust (DST Root CA X3), che \u00e8 stato utilizzato per la firma incrociata del certificato radice dell'autorit\u00e0 di certificazione Let's Encrypt (ISRG Root X1), gestita dalla comunit\u00e0 e che fornisce certificati gratuitamente a chiunque lo desideri. La firma incrociata ha garantito la fiducia nei certificati Let's Encrypt su un ampio spettro di dispositivi, sistemi operativi e browser durante l'integrazione del proprio certificato radice Let's Encrypt nei repository dei certificati radice.     <\/p>\n<p>Inizialmente si prevedeva che dopo la scadenza di DST Root CA X3, il progetto Let's Encrypt passasse a generare firme utilizzando solo il proprio certificato radice, ma tale passo comporterebbe la perdita della compatibilit\u00e0 con un gran numero di vecchi sistemi che non hanno aggiunto il certificato radice di Let's Encrypt nei propri repository. In particolare, circa il 30% dei dispositivi Android in uso non contiene informazioni sul certificato radice di Let's Encrypt, il cui supporto \u00e8 stato introdotto solo a partire dalla piattaforma Android 7.1.1, rilasciata alla fine del 2016.      <\/p>\n<p>Let&#8217;s Encrypt non prevedeva di stipulare un nuovo accordo di cross-signing, poich\u00e9 ci\u00f2 comporta una maggiore responsabilit\u00e0 per le parti coinvolte, limita l'autonomia e vincola le mani rispetto al rispetto di tutte le procedure e le norme di un altro certificatore. Tuttavia, a causa della potenziale insorgenza di problemi su un gran numero di dispositivi Android, il piano \u00e8 stato riesaminato. \u00c8 stato stipulato un nuovo accordo con il certificatore IdenTrust, che ha portato alla creazione di un certificato intermedio cross-signato alternativo di Let&#8217;s Encrypt. La cross-signatura sar\u00e0 valida per tre anni e garantir\u00e0 il supporto per i dispositivi Android a partire dalla versione 2.3.6.      <\/p>\n<p>Tuttavia, il nuovo certificato intermedio non copre molti altri sistemi obsoleti. Ad esempio, dopo la scadenza del certificato DST Root CA X3 il 30 settembre, i certificati Let&#8217;s Encrypt smetteranno di essere riconosciuti nelle versioni obsolete del firmware e dei sistemi operativi, nei quali sar\u00e0 necessario aggiungere manualmente il certificato ISRG Root X1 al proprio archivio di certificati radice per garantire la fiducia nei certificati Let&#8217;s Encrypt. I problemi si manifesteranno in:  <\/p>\n<ul>\n<li class=\"l\"> OpenSSL fino alla versione 1.0.2 inclusa (il supporto della versione 1.0.2 \u00e8 terminato a dicembre 2019);\n<li class=\"l\"> NSS &lt; 3.26;\n<li class=\"l\"> Java 8 &lt; 8u141, Java 7 &lt; 7u151;\n<li class=\"l\"> Windows &lt; XP SP3;\n<li class=\"l\"> macOS &lt; 10.12.1;\n<li class=\"l\"> iOS &lt; 10 (iPhone &lt; 5);\n<li class=\"l\"> Android &lt; 2.3.6;\n<li class=\"l\"> Mozilla Firefox &lt; 50;\n<li class=\"l\"> Ubuntu &lt; 16.04;\n<li class=\"l\"> Debian &lt; 8.      <\/ul>\n<p>Nel caso di OpenSSL 1.0.2, il problema \u00e8 causato da un bug che impedisce il corretto trattamento dei certificati cross-signed, nel caso in cui uno dei certificati radice coinvolti nella firma diventi obsoleto, anche se altre catene di fiducia valide rimangono. Il problema \u00e8 emerso per la prima volta lo scorso anno dopo l'obsolescenza del certificato AddTrust, utilizzato per la cross-signature nei certificati dell'autorit\u00e0 di certificazione Sectigo (Comodo). La questione \u00e8 che OpenSSL interpretava il certificato come una catena lineare, mentre secondo l'RFC 4158 il certificato pu\u00f2 rappresentare un grafo ciclico distribuito orientato con pi\u00f9 ancore di fiducia che devono essere considerate.     <\/p>\n<p>Agli utenti delle vecchie distribuzioni legate a OpenSSL 1.0.2 vengono proposti tre workaround per risolvere il problema:  <\/p>\n<ul>\n<li class=\"l\"> Disinstallare manualmente il certificato radice IdenTrust DST Root CA X3 e installare il certificato radice ISRG Root X1 isolato (non cross-signed).\n<li class=\"l\"> Quando si avviano i comandi openssl verify e s_client, \u00e8 possibile specificare l'opzione \u00ab--trusted_first\u00bb.\n<li class=\"l\"> Utilizzare su <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-newyork\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2676\">server<\/a> un certificato firmato dal certificato radice SRG Root X1 isolato, che non ha una cross-signature. Questo metodo comporter\u00e0 la perdita di compatibilit\u00e0 con i vecchi client Android.  <\/ul>\n<p>Inoltre, si pu\u00f2 segnare il superamento da parte del progetto Let's Encrypt del traguardo di due miliardi di certificati generati. Il traguardo di un miliardo era stato raggiunto nel febbraio dello scorso anno. Ogni giorno vengono generati da 2,2 a 2,4 milioni di nuovi certificati. Il numero di certificati attivi \u00e8 di 192 milioni (il certificato \u00e8 valido per tre mesi) e copre circa 260 milioni. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/domain\/\"   title=\"domini\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3167\">domini<\/a> (un anno fa copriva 195 milioni di domini, due anni fa - 150 milioni, tre anni fa - 60 milioni). Secondo le statistiche del servizio Firefox Telemetry, la quota globale di richieste di pagine tramite HTTPS \u00e8 dell'82% (un anno fa - 81%, due anni fa - 77%, tre anni fa - 69%, quattro anni fa - 58%).<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55875\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>30 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u0432 17:01 \u043f\u043e \u043c\u043e\u0441\u043a\u043e\u0432\u0441\u043a\u043e\u043c\u0443 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438\u0441\u0442\u0435\u043a\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0436\u0438\u0437\u043d\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 IdenTrust (DST Root CA X3), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f \u0434\u043b\u044f \u043a\u0440\u043e\u0441\u0441-\u043f\u043e\u0434\u043f\u0438\u0441\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0435\u0433\u043e \u0446\u0435\u043d\u0442\u0440\u0430 Let&#8217;s Encrypt (ISRG Root X1), \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c. \u041f\u0435\u0440\u0435\u043a\u0440\u0451\u0441\u0442\u043d\u0430\u044f \u043f\u043e\u0434\u043f\u0438\u0441\u044c \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u043b\u0430 \u0434\u043e\u0432\u0435\u0440\u0438\u0435 \u043a \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430\u043c Let&#8217;s Encrypt \u043d\u0430 \u0448\u0438\u0440\u043e\u043a\u043e\u043c \u0441\u043f\u0435\u043a\u0442\u0440\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0438 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043e\u0432 [&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-101436","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"30 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u0432 17:01 \u043f\u043e \u043c\u043e\u0441\u043a\u043e\u0432\u0441\u043a\u043e\u043c\u0443 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438\u0441\u0442\u0435\u043a\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0436\u0438\u0437\u043d\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 IdenTrust 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\u041f\u0435\u0440\u0435\u043a\u0440\u0451\u0441\u0442\u043d\u0430\u044f \u043f\u043e\u0434\u043f\u0438\u0441\u044c \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u043b\u0430 \u0434\u043e\u0432\u0435\u0440\u0438\u0435 \u043a \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430\u043c Let&#039;s Encrypt \u043d\u0430 \u0448\u0438\u0440\u043e\u043a\u043e\u043c \u0441\u043f\u0435\u043a\u0442\u0440\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0438 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043e\u0432\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/ustarevanie-kornevogo-sertifikata-identrust-privedyot-k-potere-doveriya-k-lets-encrypt-na-staryh-ustrojstvah\" \/>\n\t<meta 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\u0441\u0442\u0430\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"30 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u0432 17:01 \u043f\u043e \u043c\u043e\u0441\u043a\u043e\u0432\u0441\u043a\u043e\u043c\u0443 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438\u0441\u0442\u0435\u043a\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0436\u0438\u0437\u043d\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 IdenTrust (DST Root CA X3), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f \u0434\u043b\u044f \u043a\u0440\u043e\u0441\u0441-\u043f\u043e\u0434\u043f\u0438\u0441\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e 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\/>\n\t\t<meta property=\"article:published_time\" content=\"2021-09-27T14:22:56+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-09-27T14:22:56+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47La scadenza del certificato radice IdenTrust porter\u00e0 a una perdita di fiducia in Let's Encrypt su dispositivi obsoleti | ProHoster","description":"Il 30 settembre alle 17:01, ora di Mosca, scade la validit\u00e0 del certificato radice dell'azienda IdenTrust (DST Root CA X3), utilizzato per la firma incrociata del certificato radice dell'autorit\u00e0 di certificazione Let's Encrypt (ISRG Root X1), gestita dalla comunit\u00e0 e che fornisce certificati gratuitamente a chiunque lo richieda. 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