{"id":80703,"date":"2020-05-08T07:41:58","date_gmt":"2020-05-08T05:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/matrix-riot-s-shifrovaniem-lichnyh-soobshhenij-po-umolchaniyu"},"modified":"2020-05-08T07:41:58","modified_gmt":"2020-05-08T05:41:58","slug":"matrix-riot-s-shifrovaniem-lichnyh-soobshhenij-po-umolchaniyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/matrix-riot-s-shifrovaniem-lichnyh-soobshhenij-po-umolchaniyu","title":{"rendered":"Matrix\/Riot con crittografia dei messaggi personali abilitata di default","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Azienda <a rel=\"nofollow\" href=\"https:\/\/vector.im\">New Vector<\/a>, i cui dipendenti guidano anche un'organizzazione senza scopo di lucro per il protocollo <a rel=\"nofollow\" href=\"https:\/\/matrix.org\">Matrix<\/a>, ha annunciato il rilascio di vari client Matrix della famiglia <a rel=\"nofollow\" href=\"https:\/\/about.riot.im\">Riot<\/a>.<\/p>\n<p><\/noindex><\/noindex><\/p>\n<p>Matrix \u00e8 un protocollo aperto per realizzare una rete federata basata su una storia lineare di eventi (events) all'interno di un grafo aciclico (DAG). L'implementazione principale di questo protocollo \u00e8 un messaggero con supporto per la segnalazione VoIP, ma sono possibili anche altre applicazioni, poich\u00e9 \u00e8 un protocollo di uso generale.<\/p>\n<p><noindex><\/p>\n<p>Il principale cambiamento dei client rilasciati per <a rel=\"nofollow\" href=\"https:\/\/github.com\/vector-im\/riot-web\/releases\/tag\/v1.6.0\">il browser e il wrapper Electron (1.6.0)<\/a>, <a rel=\"nofollow\" href=\"https:\/\/github.com\/vector-im\/riotX-android\/releases\/tag\/v0.19.0\">Android (0.19.0)<\/a> e <a rel=\"nofollow\" href=\"https:\/\/github.com\/vector-im\/riot-ios\/releases\/tag\/v0.11.2\">iOS (0.11.1-0.11.2)<\/a> \u00e8 stato l'inclusione della crittografia end-to-end per le chat personali per default. La crittografia \u00e8 possibile grazie al protocollo <a rel=\"nofollow\" href=\"https:\/\/gitlab.matrix.org\/matrix-org\/olm\/blob\/master\/docs\/olm.md\">Olm<\/a>, basato sul protocollo del messaggero Signal. La crittografia delle chat di gruppo utilizza un'estensione del protocollo chiamata <a rel=\"nofollow\" href=\"https:\/\/gitlab.matrix.org\/matrix-org\/olm\/-\/blob\/master\/docs\/megolm.md\">Megolm<\/a>, che consente di decriptare il messaggio pi\u00f9 volte.<\/p>\n<p><\/noindex><br \/>\n<noindex><\/p>\n<p>Per la prima volta, la crittografia opzionale \u00e8 stata <a rel=\"nofollow\" href=\"https:\/\/matrix.org\/blog\/2016\/11\/21\/matrixs-olm-end-to-end-encryption-security-assessment-released-and-implemented-cross-platform-on-riot-at-last\">introdotta nel 2016<\/a>. L'attivazione per default nelle versioni sperimentali \u00e8 avvenuta durante FOSDEM 2020.<\/p>\n<p><\/noindex><\/p>\n<p>Dall'uscita iniziale dell'implementazione della crittografia sono emerse le seguenti funzionalit\u00e0:<\/p>\n<ul>\n<li>il client pu\u00f2 richiedere le chiavi per decriptare i messaggi ad altri client dell'utente o ai client dei contatti;<\/li>\n<li>\u00e8 stata introdotta una memorizzazione delle chiavi di crittografia client su server, protetta da una passphrase segreta;<\/li>\n<li>oltre alla verifica dei dispositivi tramite impronta (fingerprint), \u00e8 stata introdotta anche la verifica tramite emoji.<\/li>\n<\/ul>\n<p>In futuro, si prevede di includere la crittografia per default non solo per le chat personali, ma anche per stanze private in generale, comprese le chat di gruppo.<\/p>\n<p>Si menziona anche:<\/p>\n<ul>\n<li>l'introduzione di una nuova interfaccia per la crittografia;<\/li>\n<li>la verifica dei dispositivi tramite codici QR;<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/github.com\/matrix-org\/seshat\">la ricerca nella cronologia dei messaggi crittografati<\/a>;<\/li>\n<li>la stabilizzazione finale del servizio.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>La ricerca nelle stanze crittografate \u00e8 gi\u00e0 disponibile tramite <a rel=\"nofollow\" href=\"https:\/\/github.com\/stoically\/radical\">l'estensione di Firefox Radical<\/a>.<\/p>\n<p><\/noindex><br \/>\n<noindex><\/p>\n<p>Per facilitare il lavoro con le chiavi di crittografia, gli sviluppatori del protocollo Matrix hanno presentato un meccanismo chiamato \u00abcross-signing\u00bb. Questo consente, utilizzando un dispositivo gi\u00e0 verificato, di automaticamente verificare altri dispositivi dell'utente. Quando questo meccanismo \u00e8 in funzione, due interlocutori devono verificare i propri dispositivi solo una volta, invece di farlo per ogni dispositivo singolarmente. La specifica del meccanismo pu\u00f2 <a rel=\"nofollow\" href=\"https:\/\/github.com\/matrix-org\/matrix-doc\/blob\/master\/proposals\/1756-cross-signing.md\">essere letta su GitHub<\/a>.<\/p>\n<p><\/noindex><br \/>\n<noindex><\/p>\n<p>Oltre a Riot, la crittografia \u00e8 supportata anche da altri client: <a rel=\"nofollow\" href=\"https:\/\/christianpauly.gitlab.io\/fluffychat-website\/en\">FluffyChat<\/a>, <a rel=\"nofollow\" href=\"https:\/\/github.com\/Nheko-Reborn\/nheko\">nheko Reborn<\/a>, client su <a rel=\"nofollow\" href=\"https:\/\/github.com\/quotient-im\/libQuotient\">libQuotient<\/a> (WIP), client su <a rel=\"nofollow\" href=\"https:\/\/github.com\/tulir\/mautrix-go\">mautrix-go<\/a> (<a rel=\"nofollow\" href=\"https:\/\/github.com\/tulir\/gomuks\">gomuks<\/a>), client su <a rel=\"nofollow\" href=\"https:\/\/github.com\/poljar\/matrix-nio\">matrix-nio<\/a> (<a rel=\"nofollow\" href=\"https:\/\/github.com\/mirukana\/mirage\/\">Mirage<\/a> e <a rel=\"nofollow\" href=\"https:\/\/github.com\/poljar\/weechat-matrix\">WeeChat<\/a>), <a rel=\"nofollow\" href=\"https:\/\/github.com\/neilalexander\/seaglass\">Seaglass<\/a> (abbandonato). Sono in fase di sviluppo altre implementazioni. Per i client senza supporto per la crittografia, \u00e8 disponibile un demone per l'e2ee proxy \u2014 <a rel=\"nofollow\" href=\"https:\/\/github.com\/matrix-org\/pantalaimon\">pantalaimon<\/a>.<\/p>\n<p><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/opensource\/15689714\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f New Vector, \u0441\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0442\u0430\u043a\u0436\u0435 \u0432\u043e\u0437\u0433\u043b\u0430\u0432\u043b\u044f\u044e\u0442 \u043d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0443\u044e \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Matrix, \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u0440\u044f\u0434\u0430 Matrix-\u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 Riot. Matrix \u2014 \u044d\u0442\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0435\u0434\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u0441\u0435\u0442\u0438, \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043b\u0438\u043d\u0435\u0439\u043d\u043e\u0439 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 (events) \u0432\u043d\u0443\u0442\u0440\u0438 \u0430\u0446\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0433\u0440\u0430\u0444\u0430 (DAG). \u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043c\u0435\u0441\u0441\u0435\u043d\u0434\u0436\u0435\u0440 \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0438\u0433\u043d\u0430\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f VoIP, \u043d\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 \u0432\u0435\u0449\u0438, \u0442\u0430\u043a \u043a\u0430\u043a [&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-80703","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f New Vector, 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