{"id":80705,"date":"2020-05-08T07:42:04","date_gmt":"2020-05-08T05:42:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-matrix-klienta-riot-1-6-s-vklyucheniem-skvoznogo-shifrovaniya"},"modified":"2020-05-08T07:42:04","modified_gmt":"2020-05-08T05:42:04","slug":"vypusk-matrix-klienta-riot-1-6-s-vklyucheniem-skvoznogo-shifrovaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-matrix-klienta-riot-1-6-s-vklyucheniem-skvoznogo-shifrovaniya","title":{"rendered":"Lansarea clientului Matrix Riot 1.6 cu criptare end-to-end","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dezvoltatorii sistemului de comunica\u021bii descentralizate Matrix au prezentat<\/a><\/noindex> noi versiuni ale aplica\u021biilor client cheie Riot Web 1.6, Riot Desktop 1.6, Riot iOS 0.11.1 \u0219i RiotX Android 0.19<\/a><\/noindex>. Riot este scris folosind tehnologii web \u0219i cadrul React (folosit ca un wrapper React Matrix SDK<\/a><\/noindex>). Versiunea pentru desktop planific\u0103<\/a><\/noindex> pe baza platformei Electron. Codul se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> sub licen\u021ba Apache 2.0.<\/p>\n

Cheie \u00eembun\u0103t\u0103\u021bire<\/a><\/noindex> \u00een noile versiuni include \u00een mod implicit criptarea end-to-end (E2EE) pentru toate chat-urile private noi, prin care accesul se face prin trimiterea de invita\u021bii. Criptarea end-to-end este implementat\u0103 pe baza unui protocol propriu, care utilizeaz\u0103 pentru schimbul ini\u021bial de chei \u0219i gestionarea cheilor de sesiune un algoritm cu dublu \u0219urub<\/a><\/noindex> (parte a protocolului Signal). <\/p>\n

Pentru negocierea cheilor \u00een chat-uri cu mai mul\u021bi participan\u021bi se aplic\u0103 o extensie Megolm<\/a><\/noindex>, optimizat\u0103 pentru criptarea mesajelor cu un num\u0103r mare de destinatari \u0219i care permite decriptarea aceluia\u0219i mesaj de mai multe ori. Textul criptat al mesajului poate fi salvat pe un server nesigur, dar nu poate fi decriptat f\u0103r\u0103 cheile de sesiune, care sunt stocate de c\u0103tre client (fiecare client are cheia sa de sesiune). La criptare, pentru fiecare mesaj, se genereaz\u0103 o cheie pe baza cheii de sesiune a clientului, care autentific\u0103 mesajul legat de autor. Capturarea cheii permite compromiterea doar a mesajelor deja trimise, dar nu a mesajelor care vor fi trimise \u00een viitor. Implementarea metodelor de criptare a fost revizuit\u0103 de organiza\u021bia NCC Group.<\/p>\n

A doua modificare important\u0103 este activarea suportului pentru confirmarea \u00eencruci\u0219at\u0103 (Cross-signing), care permite utilizatorului dintr-o sesiune deja confirmat\u0103 s\u0103 verifice o nou\u0103 sesiune. Anterior, atunci c\u00e2nd un utilizator se conecta la chat de pe un nou dispozitiv, ceilal\u021bi participan\u021bi primeau o avertizare pentru a evita suprafa\u021ba de ascultare \u00een cazul \u00een care un atacator avea acces la contul victimei. Confirmarea \u00eencruci\u0219at\u0103 permite utilizatorului s\u0103 verifice alte dispozitive ale sale \u0219i s\u0103 confirme \u00eencrederea \u00een noul login sau s\u0103 stabileasc\u0103 c\u0103 cineva a \u00eencercat s\u0103 se conecteze f\u0103r\u0103 \u0219tirea lor.<\/p>\n

Pentru a simplifica configurarea de noi conturi de utilizator, a fost oferit\u0103 op\u021biunea de a utiliza coduri QR. Cererile de verificare \u0219i rezultatele sunt acum salvate \u00een istoric sub form\u0103 de mesaje trimise direct. \u00cen locul unei feronierului modale pop-up, verificarea se efectueaz\u0103 acum \u00een bara lateral\u0103. De asemenea, a fost men\u021bionat\u0103 o strat, Pantalaimon<\/a><\/noindex>, care permite conectarea la chat-uri criptate din clien\u021bi care nu suport\u0103 E2EE, precum \u0219i func\u021bionarea pe partea clientului mecanism<\/a><\/noindex> de c\u0103utare \u0219i indexare a fi\u0219ierelor \u00een s\u0103lile de chat cu criptare.<\/p>\n

\"Lansarea<\/a><\/noindex><\/center><\/p>\n

Aducem aminte c\u0103 platforma pentru organizarea comunica\u021biilor descentralizate Matrix se dezvolt\u0103 ca un proiect care folose\u0219te standarde deschise \u0219i acord\u0103 o mare aten\u021bie asigur\u0103rii securit\u0103\u021bii \u0219i intimit\u0103\u021bii utilizatorilor. Ca transport, se utilizeaz\u0103 HTTPS+JSON cu posibilitatea de a folosi WebSockets sau un protocol bazat pe CoAP<\/a><\/noindex>+Noise<\/a><\/noindex>. Sistemul se formeaz\u0103 ca o asocia\u021bie de servere care pot interac\u021biona \u00eentre ele \u0219i sunt unite \u00eentr-o re\u021bea descentralizat\u0103 comun\u0103. Mesajele se replic\u0103 \u00eentre toate serverele la care sunt conecta\u021bi participan\u021bii la schimbul de mesaje. Mesajele sunt distribuite \u00eentre servere similar cu modul \u00een care commit-urile sunt distribuite \u00eentre repozitoarele Git. \u00cen cazul unei deconect\u0103ri temporare a serverului, mesajele nu se pierd, ci sunt transmise utilizatorilor dup\u0103 ce serverul \u00ee\u0219i reia activitatea. Se suport\u0103 diverse variante de identificatori de utilizator, inclusiv email, num\u0103r de telefon, cont Facebook etc. <\/p>\n

\"Lansarea<\/center><\/p>\n

\u00cen re\u021bea nu exist\u0103 un singur punct de e\u0219ec sau control al mesajelor. Toate serverele incluse \u00een discu\u021bie sunt egale \u00eentre ele.
\nOrice utilizator poate lansa propriul server \u0219i s\u0103 \u00eel conecteze la re\u021beaua comun\u0103. Este posibil\u0103 crearea gateway-urilor<\/a><\/noindex> pentru interac\u021biunea Matrix cu sisteme bazate pe alte protocoale, de exemplu, sunt preg\u0103tite<\/a><\/noindex> servicii pentru trimiterea bidirec\u021bional\u0103 a mesajelor \u00een IRC, Facebook, Telegram, Skype, Hangouts, Email, WhatsApp \u0219i Slack.<\/p>\n

Pe l\u00e2ng\u0103 schimbul instantaneu de mesaje text \u0219i organizarea de chat-uri, sistemul poate fi utilizat pentru transferul de fi\u0219iere, trimiterea de notific\u0103ri,
\norganizarea teleconferin\u021belor, realizarea de apeluri vocale \u0219i video.
\nMatrix permite utilizarea c\u0103ut\u0103rii \u0219i vizualizarea nelimitat\u0103 a istoricului conversa\u021biilor. Sunt, de asemenea, suportate func\u021bii avansate precum notificarea la tastare, evaluarea prezen\u021bei utilizatorului online, confirmarea citirii, notific\u0103ri push, c\u0103utare pe partea serverului, sincronizarea istoricului \u0219i starea clien\u021bilor. <\/p>\n

<\/a><\/noindex><\/p>\n

Sursa: opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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