{"id":7342,"date":"2019-08-05T23:15:54","date_gmt":"2019-08-06T06:15:54","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=7342"},"modified":"2025-06-13T19:26:47","modified_gmt":"2025-06-14T02:26:47","slug":"cipher-suites-in-couchbase-6-5","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/cipher-suites-in-couchbase-6-5\/","title":{"rendered":"Su\u00edtes de criptografia no Couchbase Server 6.5"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Para muitos, \"criptografia\" \u00e9 o pequeno \u00edcone de cadeado verde ao lado do endere\u00e7o da Web de seus sites favoritos e, para outros, talvez se lembrem das vulnerabilidades de TLS que ocorreram nos \u00faltimos anos. <\/span><span style=\"font-weight: 400;\">Os dados s\u00e3o o ouro digital de hoje em dia e, na tentativa de roubar dados essenciais, os hackers est\u00e3o criando maneiras inteligentes de roubar informa\u00e7\u00f5es. <\/span><span style=\"font-weight: 400;\">Com o cen\u00e1rio de ataques em constante mudan\u00e7a em mente, o Couchbase Server 6.5 adiciona uma nova maneira de configurar facilmente os conjuntos de cifras do servidor. Neste blog, abordaremos os conceitos b\u00e1sicos de cifras e explicaremos como voc\u00ea pode configurar o Couchbase para usar as melhores e mais recentes cifras.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<h4><span style=\"font-weight: 400;\"><br \/>\n<\/span><strong>No\u00e7\u00f5es b\u00e1sicas de su\u00edtes de criptografia TLS<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Uma su\u00edte de cifras \u00e9 basicamente um conjunto completo de m\u00e9todos (tamb\u00e9m conhecidos como algoritmos) necess\u00e1rios para proteger uma conex\u00e3o de rede por meio do TLS (Transport Layer Security). Cada su\u00edte de cifras tem sua pr\u00f3pria nota\u00e7\u00e3o distinta, conforme mostrado a seguir<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><b>TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384<\/b><b><br \/>\n<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400;\">Agora, vamos detalhar isso.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>TLS<\/b><span style=\"font-weight: 400;\"> indica que o protocolo TLS ser\u00e1 usado para estabelecer uma comunica\u00e7\u00e3o segura. Lembre-se de que um protocolo simplesmente define como os algoritmos devem ser usados.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>ECDHE<\/b><span style=\"font-weight: 400;\"> indica que o Elliptic-Curve Diffie-Hellman ser\u00e1 aproveitado para a troca de chaves. \u00c9 assim que as chaves ser\u00e3o trocadas entre o cliente e o servidor para criptografar e descriptografar dados.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>ECDSA<\/b><span style=\"font-weight: 400;\"> \u00e9 o algoritmo, neste caso o Elliptic-Curve Digital Signature Algorithm, que \u00e9 usado para criar uma assinatura digital para autentica\u00e7\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>AES_256_CBC<\/b><span style=\"font-weight: 400;\"> indica que a criptografia AES com tamanho de chave de 256 bits ser\u00e1 aproveitada para criptografar a mensagem, e <\/span><b>CBC <\/b><span style=\"font-weight: 400;\">indica que o modo ser\u00e1 o encadeamento de blocos de cifras.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>SHA384<\/b><span style=\"font-weight: 400;\"> indica que o algoritmo de hash usado para verifica\u00e7\u00e3o de mensagens (MAC) e, neste exemplo, \u00e9 SHA2 com uma chave de 384 bits.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">O protocolo TLS Handshake \u00e9 respons\u00e1vel pela negocia\u00e7\u00e3o do Cipher Suite entre o cliente e o servidor (consulte \"Server Hello\"), pela autentica\u00e7\u00e3o do servidor e, opcionalmente, do cliente, e pela troca de chaves secretas (consulte as setas verdes abaixo).<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7443\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2019\/08\/cipher-suites-300x235.png\" alt=\"\" width=\"453\" height=\"355\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2019\/08\/cipher-suites-300x235.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2019\/08\/cipher-suites-1024x802.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2019\/08\/cipher-suites-768x602.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2019\/08\/cipher-suites-20x16.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2019\/08\/cipher-suites.png 1126w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/p>\n<p><strong>Figura: Intera\u00e7\u00e3o entre cliente e servidor durante o handshake TLS<\/strong><\/p>\n<h4><span style=\"font-weight: 400;\"><br \/>\n<\/span><strong>Configura\u00e7\u00e3o de su\u00edtes de criptografia no Couchbase 6.5<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Por padr\u00e3o (ou seja, sem especificar explicitamente os conjuntos de cifras), o Couchbase Server escolhe a cifra comum mais forte entre o cliente e o servidor. Com o Couchbase Server 6.5, voc\u00ea pode informar ao Couchbase quais conjuntos de cifras usar. <\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Conforme mostrado no exemplo abaixo, definimos os conjuntos de criptografia no Couchbase para usar TLS_RSA_WITH_AES_128_CBC_SHA. Esse conjunto de criptografia \u00e9 ent\u00e3o usado em todos os servi\u00e7os do Couchbase Server, incluindo dados, consulta, \u00edndice, texto completo e an\u00e1lise.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\"># .\/couchbase-cli setting-security -cipher-suites TLS_RSA_WITH_AES_128_CBC_SHA -c localhost:8091 -u Administrator -p password -set<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">SUCESSO: Configura\u00e7\u00f5es de seguran\u00e7a atualizadas<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\"># .\/couchbase-cli setting-security -c localhost:8091 -u Administrator -p password -get<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><i><span style=\"font-weight: 400;\">{\"disableUIOverHttp\": false, \"disableUIOverHttps\": false, \"cipherSuites\": [\"TLS_RSA_WITH_AES_128_CBC_SHA\"], \"tlsMinVersion\": \"tlsv1.2\", \"honorCipherOrder\": true}<\/span><\/i><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><strong>Verifica\u00e7\u00e3o do uso de cifras<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Para verificar se a cifra \u00e9 usada, podemos nos conectar a qualquer um dos <\/span><a href=\"https:\/\/docs.couchbase.com\/server\/current\/install\/install-ports.html\"><span style=\"font-weight: 400;\">Portas SSL<\/span><\/a><span style=\"font-weight: 400;\"> no Couchbase. No exemplo abaixo, estamos conectados \u00e0 porta 11207 (a porta de dados pela qual os clientes do Couchbase se conectam ao servidor).<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>openssl s_client -connect localhost:11207<\/b><\/p>\n<p><span style=\"font-weight: 400;\">CONNECTED(00000003)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8212;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cadeia de certificados<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a00 s:\/CN=127.0.0.1<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0i:\/CN=Couchbase Server de182d2a<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a01 s:\/CN=Couchbase Server de182d2a<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0i:\/CN=Couchbase Server de182d2a<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8212;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Certificado do servidor<\/span><\/p>\n<p><span style=\"font-weight: 400;\">--COME\u00c7AR CERTIFICADO--<\/span><\/p>\n<p><span style=\"font-weight: 400;\">MIIDADCCAeigAwIBAgIIFbB+nPd+hWIwDQYJKoZIhvcNAQELBQAwJDEiMCAGA1UE<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AxMZQ291Y2hiYXNlIFNlcnZlciBkZTE4MmQyYTAeFw0xMzAxMDEwMDAwMDBaFw00<\/span><\/p>\n<p><span style=\"font-weight: 400;\">OTEyMzEyMzU5NTlaMBQxEjAQBgNVBAMTCTEyNy4wLjAuMTCCASIwDQYJKoZIhvcN<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AQEBBQADggEPADCCAQoCggEBAL7PaNB0n1vxDsg6Z4ydBk7HjlEjzItIGVp6svgF<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2A1XW98bIl34D6ZsWHsyj+i9+Xb3saY8HTD8f83QtUkGpve0AQGCHxFE1Dx0Eb2t<\/span><\/p>\n<p><span style=\"font-weight: 400;\">hMGwSWiL4DAiufa42UGmgJ008D70hpdQS1\/ow5wZ1kNmqmHdjzG2wGrdJEGFhwzS<\/span><\/p>\n<p><span style=\"font-weight: 400;\">lka+HdrDCaQIT6jvtnT3udO0R6yRFxjveEQ5lFX\/P4tZeyIWglTT0muRxcxI\/7Ln<\/span><\/p>\n<p><span style=\"font-weight: 400;\">nvUQgoLRta59hxiK1PXQczjP1KPls8OdWnap4HNIbi3WOim9hk\/Vn4R6BSvU1N9W<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Md4WkXw6WgzcPz1khdQTsZzDZbQNV0fI9fcM8nGoh6A1R7sCAwEAAaNGMEQwDgYD<\/span><\/p>\n<p><span style=\"font-weight: 400;\">VR0PAQH\/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1UdEwEB\/wQCMAAw<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DwYDVR0RBAgwBocEfwAAATANBgkqhkiG9w0BAQsFAAOCAQEACiMJY3512tT+rEFJ<\/span><\/p>\n<p><span style=\"font-weight: 400;\">4xe0zGIoJi7ebXz1O8w8a2NBKjwWeZ2oCco0CxILfDn1EPH9NBZsiQS7w9OGz7VO<\/span><\/p>\n<p><span style=\"font-weight: 400;\">pwSVrt6\/jRIAAqnFxSUZpKiZ\/avNK5kpfufebxaA4ZQzrW4\/lePsBRcRl3ENWJup<\/span><\/p>\n<p><span style=\"font-weight: 400;\">OsE8hD4Xv\/LQHnZxZlbq8gQv8ZiJqsi8bRoEML4A4DgTmgvTYgT0XIp9V65H9zZ\/<\/span><\/p>\n<p><span style=\"font-weight: 400;\">jJEymoUx9eidAdfVo+l8PlE7YgRsrP9f7y5tDARAAmmAmL2mgUmzxqe49Hp8MPDl<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ocTLZm1ryT+g1xvL\/EuuLOACUecInBnWSmzJep7Vw0jzqR92YWht6rM3NGfwNyzT<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3hz7ZA==<\/span><\/p>\n<p><span style=\"font-weight: 400;\">--END CERTIFICATE--<\/span><\/p>\n<p><span style=\"font-weight: 400;\">subject=\/CN=127.0.0.1<\/span><\/p>\n<p><span style=\"font-weight: 400;\">issuer=\/CN=Couchbase Server de182d2a<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8212;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nenhum nome de CA de certificado de cliente foi enviado<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8212;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O handshake SSL leu 1881 bytes e escreveu 631 bytes<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8212;<\/span><\/p>\n<p><b>Novo, TLSv1\/SSLv3, a cifra \u00e9 <\/b><b>AES128-SHA<\/b><\/p>\n<p><span style=\"font-weight: 400;\">A chave p\u00fablica do servidor \u00e9 de 2048 bits<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A renegocia\u00e7\u00e3o segura \u00e9 suportada<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Compress\u00e3o: NENHUMA<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Expans\u00e3o: NENHUMA<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><strong>Conclus\u00e3o<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Com os conjuntos de cifras dispon\u00edveis no Couchbase Server 6.5, voc\u00ea pode atualizar continuamente sua inst\u00e2ncia do Couchbase para usar as melhores e mais recentes cifras e manter-se seguro. Esperamos que tenha gostado deste blog e, como sempre, aguardamos seu feedback.  D\u00ea uma olhada no Couchbase Server e confira todos os novos recursos interessantes. Voc\u00ea pode fazer o download do Couchbase 6.5.<\/span><\/p>\n<h4 class=\"p1\"><b>Recursos<\/b><\/h4>\n<p class=\"p1\"><i>Baixar<\/i><\/p>\n<p class=\"p2\"><span class=\"s1\"><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/downloads\/?family=server&amp;product=couchbase-server-developer\">Fa\u00e7a o download do Couchbase Server 6.5<\/a><\/span><\/p>\n<p class=\"p1\"><i>\u00a0<\/i><i>Documenta\u00e7\u00e3o<\/i><\/p>\n<p class=\"p2\"><span class=\"s1\"><a href=\"https:\/\/docs.couchbase.com\/server\/6.5\/release-notes\/relnotes.html\">Notas de vers\u00e3o do Couchbase Server 6.5<\/a><\/span><\/p>\n<p class=\"p2\"><span class=\"s1\"><a href=\"https:\/\/docs.couchbase.com\/server\/6.5\/introduction\/whats-new.html\">Couchbase Server 6.5 O que h\u00e1 de novo<\/a><\/span><\/p>\n<p class=\"p1\"><i>Blogs<\/i><\/p>\n<p class=\"p2\"><span class=\"s1\"><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/announcing-couchbase-server-6-5-0-beta-whats-new-and-improved\/\">Blog: Anunciando o Couchbase Server 6.5 - O que h\u00e1 de novo e aprimorado<\/a><\/span><\/p>\n<p class=\"p2\"><span class=\"s1\"><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/couchbase-brings-distributed-multi-document-acid-transactions-to-nosql\/\">Blog: O Couchbase traz as transa\u00e7\u00f5es ACID multi-documento distribu\u00eddas para o NoSQL<\/a><\/span><\/p>\n<p class=\"p2\"><span class=\"s1\"><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/tag\/6-5\/\"><b>Todos os blogs 6.5<\/b><\/a><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>For many, \u201cCryptography\u201d is the little green lock icon next to the web address of their favorite websites, and for others, they might recall the TLS vulnerabilities that have hit in recent years. Data is today\u2019s digital gold, and in [&hellip;]<\/p>","protected":false},"author":6588,"featured_media":7450,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1814,1815,1821,1816,1813],"tags":[2378,1666],"ppma_author":[9064],"class_list":["post-7342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-design","category-best-practices-and-tutorials","category-couchbase-architecture","category-couchbase-server","category-security","tag-6-5","tag-encryption"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cipher Suites in Couchbase Server 6.5 - The Couchbase Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/pt\/cipher-suites-in-couchbase-6-5\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cipher Suites in Couchbase Server 6.5\" \/>\n<meta property=\"og:description\" content=\"For many, \u201cCryptography\u201d is the little green lock icon next to the web address of their favorite websites, and for others, they might recall the TLS vulnerabilities that have hit in recent years. Data is today\u2019s digital gold, and in [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/pt\/cipher-suites-in-couchbase-6-5\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2019-08-06T06:15:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-14T02:26:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2019\/08\/Transactions-alternative-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1400\" \/>\n\t<meta property=\"og:image:height\" content=\"553\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Chaitra Ramarao, Sr. Product Manager, Couchbase Inc.\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Chaitra Ramarao, Sr. Product Manager, Couchbase Inc.\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/cipher-suites-in-couchbase-6-5\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/cipher-suites-in-couchbase-6-5\/\"},\"author\":{\"name\":\"Chaitra Ramarao, Sr. Product Manager, Couchbase Inc.\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/852cd95d6c8aa5ea6d4128643cc3c2b6\"},\"headline\":\"Cipher Suites in Couchbase Server 6.5\",\"datePublished\":\"2019-08-06T06:15:54+00:00\",\"dateModified\":\"2025-06-14T02:26:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/cipher-suites-in-couchbase-6-5\/\"},\"wordCount\":819,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/cipher-suites-in-couchbase-6-5\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2019\/08\/Transactions-alternative-2.jpg\",\"keywords\":[\"6.5\",\"Encryption\"],\"articleSection\":[\"Application Design\",\"Best Practices and Tutorials\",\"Couchbase Architecture\",\"Couchbase Server\",\"Security\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.couchbase.com\/blog\/cipher-suites-in-couchbase-6-5\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/cipher-suites-in-couchbase-6-5\/\",\"url\":\"https:\/\/www.couchbase.com\/blog\/cipher-suites-in-couchbase-6-5\/\",\"name\":\"Cipher Suites in Couchbase Server 6.5 - 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