{"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\/hr\/blog\/news\/vypusk-matrix-klienta-riot-1-6-s-vklyucheniem-skvoznogo-shifrovaniya","title":{"rendered":"Izdanje Matrix klijenta Riot 1.6 s uklju\u010divanjem end-to-end enkripcije","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Razvija\u010di decentraliziranog komunikacijskog sustava Matrix predstavili<\/a><\/noindex> nove verzije klju\u010dnih klijent aplikacija Riot Web 1.6, Riot Desktop 1.6, Riot iOS 0.11.1 i RiotX Android 0.19<\/a><\/noindex>. Riot je napisan koriste\u0107i web tehnologije i React framework (primjenjuje se omotnica React Matrix SDK<\/a><\/noindex>). Verzija za radnu povr\u0161inu planira<\/a><\/noindex> bazirana na Electron platformi. Kod distribuira se<\/a><\/noindex> pod licencom Apache 2.0.<\/p>\n

Klju\u010dno pobolj\u0161anje<\/a><\/noindex> u novim verzijama postalo je uklju\u010divanje end-to-end \u0161ifriranja (E2EE, end-to-end encryption) prema zadanim postavkama za sve nove privatne chatove, u koje se ulazi slanjem pozivnica. End-to-end \u0161ifriranje realizirano je na temelju vlastitog protokola koji koristi za inicijalnu razmjenu klju\u010deva i odr\u017eavanje sesijskih klju\u010deva algoritam duple zvjezdice<\/a><\/noindex> (dio Signal protokola). <\/p>\n

Za uskla\u0111ivanje klju\u010deva u chatovima s vi\u0161e sudionika primjenjuje se pro\u0161irenje Megolm<\/a><\/noindex>, optimizirano za \u0161ifriranje poruka s velikim brojem primatelja i omogu\u0107ava de\u0161ifriranje jedne poruke nekoliko puta. \u0160ifrat poruke mo\u017ee se pohraniti na nepouzdanom poslu\u017eitelju, ali se ne mo\u017ee de\u0161ifrirati bez sesijskih klju\u010deva, koji se \u010duvaju na strani klijenta (svaki klijent ima svoj sesijski klju\u010d). Tijekom \u0161ifriranja, za svaku poruku generira se vlastiti klju\u010d na temelju klju\u010da sesije klijenta, koji autentificira poruku u vezi s autorom. Presretanje klju\u010da omogu\u0107ava kompromitiranje samo ve\u0107 poslanih poruka, ali ne i poruka koje \u0107e biti poslane u budu\u0107nosti. Implementacija metoda \u0161ifriranja pro\u0161la je reviziju u organizaciji NCC Group.<\/p>\n

Druga va\u017ena promjena je aktivacija podr\u0161ke za me\u0111usobno potvr\u0111ivanje (Cross-signing), omogu\u0107uju\u0107i korisniku iz ve\u0107 potvr\u0111enog sesija da verifikuje novu sesiju. Ranije, prilikom povezivanja na chat s novog ure\u0111aja, ostalim sudionicima prikazivala se upozorenje, kako bi se izbjeglo prislu\u0161kivanje u slu\u010daju da do\u0111e do neovla\u0161tenog pristupa ra\u010dunu \u017ertve. Me\u0111usobno potvr\u0111ivanje omogu\u0107ava korisniku da verifikuje svoja druga ure\u0111aja prilikom pristupa i potvrdi povjerenje u novi login ili utvrdi da je netko poku\u0161ao pristupiti bez njihovog znanja.<\/p>\n

Kako bi se olak\u0161ala konfiguracija novih prijava, uvedena je mogu\u0107nost kori\u0161tenja QR kodova. Zahtjevi za verifikaciju i rezultati sada se \u010duvaju u povijesti kao izravno poslane poruke. Umjesto sko\u010dnog modalnog dijaloga, verifikacija se sada provodi u bo\u010dnoj traci. Tako\u0111er je ozna\u010dena slojevitost Pantalaimon<\/a><\/noindex>, koja omogu\u0107ava povezivanje sa \u0161ifriranim \u010davrljanjima iz klijenata koji ne podr\u017eavaju E2EE, kao i funkcioni\u0161e na strani klijenta mehanizam<\/a><\/noindex> pretra\u017eivanja i indeksiranja datoteka u \u010davrljanjima sa \u0161ifriranjem.<\/p>\n

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

Podsje\u0107amo, platforma za organizaciju decentraliziranih komunikacija Matrix razvija se kao projekt koji koristi otvorene standarde i pridaje veliku va\u017enost sigurnosti i privatnosti korisnika. Kao transport koristi se HTTPS+JSON s mogu\u0107no\u0161\u0107u kori\u0161tenja WebSockets ili protokola temeljenog na CoAP<\/a><\/noindex>+Noise<\/a><\/noindex>. Sustav se formira kao zajednica servera koji mogu me\u0111usobno komunicirati i spajaju se u zajedni\u010dku decentraliziranu mre\u017eu. Poruke se repliciraju na svim serverima na koje su povezani sudionici razmjene poruka. Poruke se distribuiraju po serverima sli\u010dno na\u010dinu na koji se commit-ovi \u0161ire izme\u0111u Git repozitorija. U slu\u010daju privremenog isklju\u010denja servera, poruke se ne gube, ve\u0107 se dostavljaju korisnicima nakon ponovnog pokretanja servera. Podr\u017eavaju se razli\u010dite opcije identifikatora korisnika, uklju\u010duju\u0107i email, broj telefona, ra\u010dun na Facebooku itd. <\/p>\n

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

U mre\u017ei ne postoji jedinstvena to\u010dka kvara ili kontrole nad porukama. Svi poslu\u017eitelji koji sudjeluju u raspravi su ravnopravni.
\nSvaki korisnik mo\u017ee pokrenuti vlastiti poslu\u017eitelj i povezati ga s zajedni\u010dkom mre\u017eom. Mogu\u0107e je stvoriti mostove<\/a><\/noindex> za interakciju Matrix-a s sustavima temeljenim na drugim protokolima, kao \u0161to su pripremljeni<\/a><\/noindex> usluge za dvosmjerno slanje poruka u IRC-u, Facebooku, Telegramu, Skypeu, Hangoutsu, Emailu, WhatsAppu i Slacku.<\/p>\n

Osim trenutnog slanja tekstualnih poruka i organizacije \u010davrljanja, sustav se mo\u017ee koristiti za prijenos datoteka, slanje obavijesti,
\norganizaciju telekonferencija, obavljanje glasovnih i video poziva.
\nMatrix omogu\u0107ava pretra\u017eivanje i neograni\u010deno pregledavanje povijesti prepiske. Tako\u0111er se podr\u017eavaju napredne mogu\u0107nosti poput obavijesti o tipkanju, procjene prisutnosti korisnika online, potvrde \u010ditanja, push obavijesti, pretra\u017eivanje na strani servera, sinkronizacija povijesti i stanja klijenata. <\/p>\n

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

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

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