{"id":35231,"date":"2019-10-31T22:03:06","date_gmt":"2019-10-31T19:03:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-detsentralizovannoj-kommunikatsionnoj-platformy-matrix-1-0\/"},"modified":"2019-10-31T22:03:06","modified_gmt":"2019-10-31T19:03:06","slug":"vypusk-detsentralizovannoj-kommunikatsionnoj-platformy-matrix-1-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-detsentralizovannoj-kommunikatsionnoj-platformy-matrix-1-0","title":{"rendered":"Lan\u00e7amento da plataforma de comunica\u00e7\u00e3o descentralizada Matrix 1.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Apresentado<\/a><\/noindex> a primeira vers\u00e3o est\u00e1vel do protocolo para a organiza\u00e7\u00e3o de comunica\u00e7\u00f5es descentralizadas Matrix 1.0<\/a><\/noindex> e as bibliotecas, APIs (Servidor-Servidor) e especifica\u00e7\u00f5es associadas. H\u00e1 relatos de que nem todas as funcionalidades planejadas do Matrix est\u00e3o descritas e implementadas, mas o protocolo principal foi totalmente estabilizado e alcan\u00e7ou um estado utiliz\u00e1vel como base para o desenvolvimento de implementa\u00e7\u00f5es independentes de clientes, servidores, bots e gateways. Avan\u00e7os do projeto s\u00e3o distribu\u00eddos<\/a><\/noindex> est\u00e3o sob a licen\u00e7a Apache 2.0. <\/p>\n

Simultaneamente, foi publicado<\/a><\/noindex> servidor de mensagens Synapse 1.0.0<\/a><\/noindex> com a implementa\u00e7\u00e3o de refer\u00eancia do protocolo Matrix 1.0<\/a><\/noindex>. Observa-se que a \u00eanfase na prepara\u00e7\u00e3o do Synapse 1.0 foi na corre\u00e7\u00e3o da implementa\u00e7\u00e3o do protocolo, seguran\u00e7a e confiabilidade. O Synapse agora saiu da fase beta e est\u00e1 pronto para uso generalizado. O c\u00f3digo do Synapse \u00e9 escrito em Python e pode usar os SGBDs SQLite ou PostgreSQL para armazenamento de dados. O Synapse 1.0 \u00e9 a \u00faltima vers\u00e3o que suporta Python 2.x.<\/p>\n

Por padr\u00e3o, a cria\u00e7\u00e3o de novos chats utiliza a vers\u00e3o 4<\/a><\/noindex> do protocolo Room, mas a quinta<\/a><\/noindex> vers\u00e3o com suporte a restri\u00e7\u00f5es de tempo de vida de chaves de servidor tamb\u00e9m est\u00e1 dispon\u00edvel. Ao migrar de vers\u00f5es anteriores, deve-se levar em considera\u00e7\u00e3o que agora \u00e9 necess\u00e1rio obter um certificado TLS v\u00e1lido para se conectar \u00e0 rede descentralizada compartilhada.
\nComo clientes, podem ser utilizados Riot<\/a><\/noindex> (dispon\u00edvel para Linux, Windows, macOS, Web, Android e iOS), Weechat<\/a><\/noindex> (CLI em Lua), nheko<\/a><\/noindex> (C++\/Qt), Quaternion <\/a><\/noindex> (C++\/Qt) e Fractal<\/a><\/noindex> (Rust\/GTK). <\/p>\n

Entre as funcionalidades ainda n\u00e3o estabilizadas no Matrix 1.0, mencionam-se a edi\u00e7\u00e3o de mensagens enviadas (suportada no Synapse 1.0 e Riot, mas n\u00e3o habilitada por padr\u00e3o), rea\u00e7\u00f5es, discuss\u00f5es em formato de fio, verifica\u00e7\u00e3o cruzada de usu\u00e1rios, estat\u00edsticas em tempo real sobre chats. Entre os trabalhos futuros na implementa\u00e7\u00e3o do servidor, planeja-se otimiza\u00e7\u00e3o de desempenho e redu\u00e7\u00e3o do consumo de mem\u00f3ria. Al\u00e9m do servidor de refer\u00eancia em Python, tamb\u00e9m est\u00e3o em desenvolvimento implementa\u00e7\u00f5es experimentais Ruma<\/a><\/noindex> (Rust) e Dendrite<\/a><\/noindex> (Go).<\/p>\n

A plataforma para a organiza\u00e7\u00e3o de comunica\u00e7\u00f5es descentralizadas Matrix evolui como um projeto que utiliza padr\u00f5es abertos e dedica grande aten\u00e7\u00e3o \u00e0 seguran\u00e7a e privacidade dos usu\u00e1rios. O Matrix oferece criptografia de ponta a ponta (end-to-end) baseada em seu pr\u00f3prio protocolo, que utiliza, entre outros, o algoritmo Double Ratchet (parte do protocolo Signal). A criptografia \u00e9 aplicada tanto na troca direta de mensagens quanto em chats (\u00e9 utilizado um mecanismo Megolm<\/a><\/noindex>). A implementa\u00e7\u00e3o dos m\u00e9todos de criptografia passou por auditoria na organiza\u00e7\u00e3o NCC Group. O transporte utiliza HTTPS+JSON com a possibilidade de usar WebSockets ou um protocolo baseado em CoAP<\/a><\/noindex>+Noise<\/a><\/noindex>.<\/p>\n

O sistema \u00e9 formado como uma associa\u00e7\u00e3o de servidores que podem interagir entre si e se conectam em uma rede descentralizada comum. As mensagens s\u00e3o replicadas entre todos os servidores aos quais os participantes da troca est\u00e3o conectados. As mensagens se espalham pelos servidores da mesma forma que os commits se disseminam entre reposit\u00f3rios Git. Em caso de desconex\u00e3o tempor\u00e1ria do servidor, as mensagens n\u00e3o s\u00e3o perdidas, sendo entregues aos usu\u00e1rios ap\u00f3s a retomada do funcionamento do servidor. V\u00e1rias op\u00e7\u00f5es de identificadores de usu\u00e1rio s\u00e3o suportadas, incluindo email, n\u00famero de telefone, conta no Facebook etc. <\/p>\n

\"Lan\u00e7amento<\/center><\/p>\n

Na rede, n\u00e3o h\u00e1 um \u00fanico ponto de falha ou controle sobre as mensagens. Todos os servidores envolvidos na discuss\u00e3o s\u00e3o tratados como iguais.
\nQualquer usu\u00e1rio pode iniciar seu pr\u00f3prio servidor e conect\u00e1-lo \u00e0 rede comum. \u00c9 poss\u00edvel criar portas de liga\u00e7\u00e3o<\/a><\/noindex> para integrar o Matrix com sistemas baseados em outros protocolos, por exemplo, foram preparados<\/a><\/noindex> servi\u00e7os para troca bidirecional de mensagens no IRC, Facebook, Telegram, Skype, Hangouts, Email, WhatsApp e Slack.<\/p>\n

Al\u00e9m da troca instant\u00e2nea de mensagens de texto e da organiza\u00e7\u00e3o de chats, o sistema pode ser utilizado para transfer\u00eancia de arquivos, envio de notifica\u00e7\u00f5es,
\norganiza\u00e7\u00e3o de teleconfer\u00eancias, realiza\u00e7\u00e3o de chamadas de voz e v\u00eddeo.
\nO Matrix permite usar pesquisa e visualiza\u00e7\u00e3o ilimitada do hist\u00f3rico de conversas. Tamb\u00e9m s\u00e3o suportadas funcionalidades avan\u00e7adas, como notifica\u00e7\u00e3o de digita\u00e7\u00e3o, status de presen\u00e7a online do usu\u00e1rio, confirma\u00e7\u00e3o de leitura, notifica\u00e7\u00f5es push, pesquisa do lado do servidor, sincroniza\u00e7\u00e3o de hist\u00f3rico e estado dos clientes. <\/p>\n

Para coordenar o desenvolvimento do projeto, foi criada recentemente uma organiza\u00e7\u00e3o sem fins lucrativos Matrix.org Foundation<\/a><\/noindex>, que garantir\u00e1 a independ\u00eancia do projeto, desenvolver\u00e1 padr\u00f5es relacionados ao Matrix e atuar\u00e1 como uma plataforma neutra para a tomada de decis\u00f5es conjunta. A Matrix.org Foundation \u00e9 liderada por um conselho de cinco diretores, independentes do ecossistema comercial, respeitados na comunidade e encarregados de defender a miss\u00e3o do projeto. <\/p>\n

Entre os diretores est\u00e3o Jon Crowcroft (Jon Crowcroft<\/a><\/noindex>, um dos pioneiros em comunica\u00e7\u00f5es descentralizadas), Matthew Hodgson (Matthew Hodgson, cofundador do Matrix), Amandine Le Pape (Amandine Le Pape, cofundadora do Matrix), Ross Schulman (Ross Schulman, advogado do Open Technology Institute, especializado em internet e sistemas descentralizados), Jutta Steiner (Jutta Steiner, cofundadora da Parity Technologies, que trabalha com tecnologias baseadas em blockchain).<\/p>\n

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

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

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