{"id":38175,"date":"2019-10-31T22:22:05","date_gmt":"2019-10-31T19:22:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/forum-ca-b-progolosoval-protiv-sokrashheniya-sroka-dejstviya-ssl-sertifikatov-do-397-dnej\/"},"modified":"2019-10-31T22:22:05","modified_gmt":"2019-10-31T19:22:05","slug":"forum-ca-b-progolosoval-protiv-sokrashheniya-sroka-dejstviya-ssl-sertifikatov-do-397-dnej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/forum-ca-b-progolosoval-protiv-sokrashheniya-sroka-dejstviya-ssl-sertifikatov-do-397-dnej","title":{"rendered":"O F\u00f3rum CA\/B votou contra a redu\u00e7\u00e3o do prazo de validade dos certificados SSL para 397 dias","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

No dia 26 de julho de 2019, a Google apresentou uma proposta<\/a><\/noindex> para reduzir o prazo m\u00e1ximo de validade dos certificados SSL\/TLS de 825 dias para 397 dias (aproximadamente 13 meses), ou seja, cerca da metade. A Google acredita que apenas a automa\u00e7\u00e3o completa dos processos relacionados aos certificados poder\u00e1 eliminar os problemas de seguran\u00e7a atuais, frequentemente explicados pelo fator humano. Portanto, o ideal seria buscar a emiss\u00e3o automatizada de certificados de curta dura\u00e7\u00e3o.<\/p>\n

A quest\u00e3o foi colocada em vota\u00e7\u00e3o na organiza\u00e7\u00e3o CA\/Browser Forum (CABF), que estabelece os requisitos para certificados SSL\/TLS, incluindo o prazo m\u00e1ximo de validade.<\/p>\n

E no dia 10 de setembro foram anunciados os resultados<\/a><\/noindex>: os membros do cons\u00f3rcio votaram contra<\/b> propostas.
\n<\/a><\/noindex><\/p>\n

Resultados<\/h1>\n

<\/p>\n

Vota\u00e7\u00e3o dos emissoras de certificados<\/h4>\n

A favor (11 votos)<\/b>: Amazon, Buypass, Certigna (DHIMYOTIS), certSIGN, Sectigo (antiga Comodo CA), eMudhra, Kamu SM, Let's Encrypt, Logius, PKIoverheid, SHECA, SSL.com<\/p>\n

Contra (20)<\/b>: Camerfirma, Certum (Asseco), CFCA, Chunghwa Telecom, Comsign, D-TRUST, DarkMatter, Entrust Datacard, Firmaprofesional, GDCA, GlobalSign, GoDaddy, Izenpe, Network Solutions, OATI, SECOM, SwissSign, TWCA, TrustCor, SecureTrust (anteriormente Trustwave)<\/p>\n

Absten\u00e7\u00f5es (2)<\/b>: HARICA, TurkTrust<\/p><\/blockquote>\n

<\/p>\n

Vota\u00e7\u00e3o dos consumidores de certificados<\/h4>\n

A favor (7)<\/b>: Apple, Cisco, Google, Microsoft, Mozilla, Opera, 360<\/p>\n

Contra<\/b>: 0<\/p>\n

Absteve-se<\/b>: 0<\/p><\/blockquote>\n

\nDe acordo com as regras do CA\/Browser Forum, para uma decis\u00e3o positiva, dois ter\u00e7os dos editores de certificados devem votar a favor e 50% mais um entre os consumidores.<\/p>\n

Representantes da Digicert pediram desculpas<\/a><\/noindex> por perder a vota\u00e7\u00e3o, onde teriam votado a favor da redu\u00e7\u00e3o do prazo de validade dos certificados. Eles observam que, para alguns clientes, a redu\u00e7\u00e3o do prazo pode representar um problema, mas a longo prazo traz benef\u00edcios para a seguran\u00e7a.<\/p>\n

De qualquer forma, a ind\u00fastria ainda n\u00e3o est\u00e1 pronta para reduzir os prazos de validade dos certificados e migrar totalmente para solu\u00e7\u00f5es automatizadas. Os pr\u00f3prios centros de certifica\u00e7\u00e3o podem oferecer esses servi\u00e7os, mas muitos clientes ainda n\u00e3o implementaram a automa\u00e7\u00e3o. Portanto, a redu\u00e7\u00e3o do prazo para 397 dias est\u00e1 sendo adiada. No entanto, a quest\u00e3o permanece em aberto.<\/p>\n

Agora, a Google pode tentar implementar o padr\u00e3o de forma \"for\u00e7ada\", como foi feito com o protocolo Certificate Transparency<\/a><\/noindex>. Al\u00e9m disso, ela conta com o apoio de outros desenvolvedores: Apple, Microsoft, Mozilla e Opera.<\/p>\n

Vale lembrar que a automa\u00e7\u00e3o completa \u00e9 um dos princ\u00edpios que sustenta o funcionamento do centro de certifica\u00e7\u00e3o sem fins lucrativos Let's Encrypt. Ele emite certificados gratuitos para todos que desejarem, mas o prazo m\u00e1ximo de validade do certificado \u00e9 limitado a 90 dias. Os curtos prazos de validade dos certificados t\u00eam duas principais vantagens<\/a><\/noindex>:<\/p>\n

    \n
  1. limita\u00e7\u00e3o de danos de chaves comprometidas e certificados emitidos incorretamente, uma vez que s\u00e3o utilizados por um per\u00edodo menor de tempo;\n<\/li>\n
  2. certificados de curta dura\u00e7\u00e3o suportam e incentivam a automa\u00e7\u00e3o, que \u00e9 absolutamente necess\u00e1ria para a simplicidade de uso do HTTPS. Se pretendemos migrar toda a Web para HTTPS, n\u00e3o podemos esperar atualiza\u00e7\u00f5es manuais de certificados por administradores de cada site existente. Assim que a emiss\u00e3o e atualiza\u00e7\u00e3o dos certificados se tornarem completamente automatizadas, tempos de vida mais curtos dos certificados se tornar\u00e3o mais convenientes e pr\u00e1ticos. <\/li>\n<\/ol>\n

    \nA pesquisa da GlobalSign no Habr<\/a><\/noindex> mostrou que 73,7% dos entrevistados \"provavelmente apoiam\" a redu\u00e7\u00e3o do tempo de validade dos certificados.<\/p>\n

    Quanto \u00e0 oculta\u00e7\u00e3o do \u00edcone EV para certificados SSL na barra de endere\u00e7os, o cons\u00f3rcio n\u00e3o votou sobre este assunto, pois a quest\u00e3o da interface do usu\u00e1rio dos navegadores est\u00e1 totalmente sob a responsabilidade dos desenvolvedores. Novas vers\u00f5es do Chrome 77 e Firefox 70 ser\u00e3o lan\u00e7adas em setembro e outubro, criando uma nova situa\u00e7\u00e3o para certificados EV na barra de endere\u00e7os do navegador. Veja como fica a mudan\u00e7a na vers\u00e3o desktop do Firefox 70:<\/p>\n

    Era:<\/p>\n

    \"O
    \n
    \nSer\u00e1:<\/p>\n

    \"O
    \n
    \nDe acordo com o especialista em seguran\u00e7a Troy Hunt, a remo\u00e7\u00e3o da informa\u00e7\u00e3o EV da barra de endere\u00e7os dos navegadores     na verdade, enterra esse tipo de certificados.<\/a><\/noindex>.
    \n
    Fonte:     habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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