{"id":168753,"date":"2026-04-14T23:12:07","date_gmt":"2026-04-14T21:12:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-kriptograficheskoj-biblioteki-openssl-4-0-0"},"modified":"2026-04-14T23:12:07","modified_gmt":"2026-04-14T21:12:07","slug":"vypusk-kriptograficheskoj-biblioteki-openssl-4-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-kriptograficheskoj-biblioteki-openssl-4-0-0","title":{"rendered":"Lan\u00e7amento da biblioteca criptogr\u00e1fica OpenSSL 4.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o OpenSSL 4.0.0, que oferece a implementa\u00e7\u00e3o dos protocolos TLS e v\u00e1rios algoritmos de criptografia. O OpenSSL 4.0 \u00e9 classificado como uma vers\u00e3o com suporte normal, com atualiza\u00e7\u00f5es sendo lan\u00e7adas ao longo de 13 meses. O suporte para vers\u00f5es anteriores do OpenSSL 3.6, 3.5 LTS, 3.4 e 3.0 LTS continuar\u00e1 at\u00e9 novembro de 2026, abril de 2030, outubro de 2026 e setembro de 2026, respectivamente. O c\u00f3digo do projeto \u00e9 distribu\u00eddo sob a licen\u00e7a Apache 2.0.     <\/p>\n<p>Principais inova\u00e7\u00f5es:   <\/p>\n<ul>\n<li class=\"l\"> Adicionada a suporte \u00e0 extens\u00e3o TLS ECH (Encrypted ClientHello, RFC 9849), destinada a criptografar informa\u00e7\u00f5es sobre os par\u00e2metros das sess\u00f5es TLS, como o nome do dom\u00ednio solicitado. Ao contr\u00e1rio da extens\u00e3o ESNI (Encrypted Server Name Indication), o ECH criptografa toda a mensagem TLS ClientHello, em vez de criptografar em n\u00edvel de campos individuais, o que ajuda a bloquear vazamentos atrav\u00e9s de campos que n\u00e3o s\u00e3o cobertos pelo ESNI, como o campo PSK (Pre-Shared Key).\n<li class=\"l\"> Adicionada suporte a algoritmos definidos na RFC 8998 que utilizam um conjunto de algoritmos criptogr\u00e1ficos padronizados na China, o SM2: o algoritmo de assinatura digital sm2sig_sm3, grupos de troca de chaves curveSM2 e o grupo p\u00f3s-qu\u00e2ntico curveSM2MLKEM768.\n<li class=\"l\"> Adicionada a fun\u00e7\u00e3o criptogr\u00e1fica de hash cSHAKE, que se baseia no algoritmo SHA-3 e permite gerar diferentes hashes a partir dos mesmos dados de entrada para prote\u00e7\u00e3o contra ataques que manipulam a reutiliza\u00e7\u00e3o de dados.\n<li class=\"l\"> Foi adicionado o algoritmo h\u00edbrido &#171;ML-DSA-MU&#187;, que combina o algoritmo de assinatura digital p\u00f3s-qu\u00e2ntica ML-DSA (CRYSTALS-Dilithium) com a fun\u00e7\u00e3o de hash cl\u00e1ssica SHAKE256.\n<li class=\"l\"> Adicionada suporte para fun\u00e7\u00f5es de gera\u00e7\u00e3o de chaves SNMP KDF baseadas em HMAC-SHA e SRTP KDF baseadas em AES-CM, usadas em protocolos de rede SNMPv3 e SRTP para criar chaves criptogr\u00e1ficas.\n<li class=\"l\"> A equipe &#171;openssl fipsinstall&#187; recebeu a op\u00e7\u00e3o &#171;-defer_tests&#187;, que permite adiar a execu\u00e7\u00e3o de testes ao instalar m\u00f3dulos FIPS.\n<li class=\"l\"> Para a plataforma Windows, foi implementado suporte para utiliza\u00e7\u00e3o de vincula\u00e7\u00e3o est\u00e1tica ou din\u00e2mica com o Visual C++ Runtime.\n<li class=\"l\"> No TLS 1.2, foi adicionada suporte para negocia\u00e7\u00e3o de troca de chaves baseada no algoritmo FFDHE, conforme a RFC 7919.\n<li class=\"l\"> O suporte para SSLv3 e SSLv2 Client Hello foi descontinuado.\n<li class=\"l\"> O suporte para motores carreg\u00e1veis dinamicamente foi removido; em vez disso, a funcionalidade do OpenSSL deve ser expandida usando a conceito de provedores plug\u00e1veis.\n<li class=\"l\"> No TLS, o suporte a curvas el\u00edpticas obsoletas foi desativado durante a fase de compila\u00e7\u00e3o. Para reverter esta configura\u00e7\u00e3o, use a op\u00e7\u00e3o &#171;enable-tls-deprecated-ec&#187;.\n<li class=\"l\"> A ferramenta c_rehash foi removida, e recomenda-se usar o comando &#171;openssl rehash&#187; em seu lugar.\n<li class=\"l\"> A op\u00e7\u00e3o obsoleta &#171;msie-hack&#187; foi removida do comando &#171;openssl ca&#187;.\n<li class=\"l\"> O suporte a m\u00e9todos personalizados EVP_CIPHER, EVP_MD, EVP_PKEY e EVP_PKEY_ASN1 foi removido.\n<li class=\"l\"> Fun\u00e7\u00f5es SSL\/TLS obsoletas que estavam ligadas a vers\u00f5es fixas de protocolos foram removidas, como &#171;TLSv1_client_method()&#187;.\n<li class=\"l\"> As fun\u00e7\u00f5es obsoletas ERR_get_state(), ERR_remove_state() e ERR_remove_thread_state() foram removidas.\n<li class=\"l\"> O suporte \u00e0s plataformas-alvo darwin-i386{,-cc} e darwin-ppc{,64}{,-cc} foi encerrado.  <\/ul>\n<p>Fonte: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65208\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 OpenSSL 4.0.0, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 TLS \u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f. OpenSSL 4.0 \u043e\u0442\u043d\u0435\u0441\u0451\u043d \u043a \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u043c \u0441 \u043e\u0431\u044b\u0447\u043d\u044b\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438, \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0432 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 13 \u043c\u0435\u0441\u044f\u0446\u0435\u0432. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u043e\u0448\u043b\u044b\u0445 \u0432\u0435\u0442\u043e\u043a OpenSSL 3.6, 3.5 LTS, 3.4 \u0438 3.0 LTS \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e \u043d\u043e\u044f\u0431\u0440\u044f 2026 \u0433\u043e\u0434\u0430, \u0430\u043f\u0440\u0435\u043b\u044f 2030 \u0433\u043e\u0434\u0430, \u043e\u043a\u0442\u044f\u0431\u0440\u044f 2026 \u0433\u043e\u0434\u0430 \u0438 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-168753","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 OpenSSL 4.0.0, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 TLS \u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 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