{"id":106027,"date":"2022-12-13T21:37:22","date_gmt":"2022-12-13T19:37:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-kriptograficheskoj-biblioteki-libressl-3-7-0"},"modified":"2022-12-13T21:37:22","modified_gmt":"2022-12-13T19:37:22","slug":"vypusk-kriptograficheskoj-biblioteki-libressl-3-7-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-kriptograficheskoj-biblioteki-libressl-3-7-0","title":{"rendered":"Lan\u00e7amento da biblioteca criptogr\u00e1fica LibreSSL 3.7.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Os desenvolvedores do projeto OpenBSD apresentaram o lan\u00e7amento da vers\u00e3o port\u00e1til do pacote LibreSSL 3.7.0, no qual \u00e9 desenvolvido um fork do OpenSSL, com foco em proporcionar um n\u00edvel mais alto de seguran\u00e7a. O projeto LibreSSL \u00e9 voltado para fornecer suporte de qualidade aos protocolos SSL\/TLS, removendo funcionalidades excessivas, incorporando recursos adicionais de prote\u00e7\u00e3o e realizando uma limpeza significativa e reestrutura\u00e7\u00e3o da base de c\u00f3digo. O lan\u00e7amento do LibreSSL 3.7.0 \u00e9 considerado experimental, no qual s\u00e3o desenvolvidas funcionalidades que integrar\u00e3o o OpenBSD 7.3.     <\/p>\n<p>Caracter\u00edsticas do LibreSSL 3.7.0:   <\/p>\n<ul>\n<li class=\"l\"> Adicionou suporte para assinatura digital com chave p\u00fablica Ed25519, desenvolvida por Daniel Bernstein e baseada no uso da curva el\u00edptica Curve25519 e do hash SHA-512. O suporte a Ed25519 est\u00e1 dispon\u00edvel tanto na forma de um primitivo separado quanto atrav\u00e9s da interface EVP.\n<li class=\"l\"> A interface EVP agora suporta assinaturas digitais X25519, que diferem das assinaturas Ed25519 por utilizar apenas as coordenadas \"X\" na manipula\u00e7\u00e3o de pontos na curva el\u00edptica, o que permite uma redu\u00e7\u00e3o significativa no tamanho do c\u00f3digo necess\u00e1rio para criar e verificar assinaturas.\n<li class=\"l\"> Implementada uma API de baixo n\u00edvel compat\u00edvel com OpenSSL 1.1 para trabalhar com chaves p\u00fablicas e privadas, suportando chaves EVP_PKEY_ED25519, EVP_PKEY_HMAC e EVP_PKEY_X25519.\n<li class=\"l\"> As fun\u00e7\u00f5es de sistema timegm() e gmtime() para convers\u00e3o de datas foram substitu\u00eddas por fun\u00e7\u00f5es POSIX do BoringSSL.\n<li class=\"l\"> Na biblioteca BN (BigNum) foi realizada uma limpeza de c\u00f3digo antigo e n\u00e3o utilizado, que lida com n\u00fameros primos.\n<li class=\"l\"> Removido suporte a HMAC PRIVATE KEY.\n<li class=\"l\"> O c\u00f3digo interno para cria\u00e7\u00e3o e verifica\u00e7\u00e3o de assinaturas DSA foi reestruturado.\n<li class=\"l\"> O c\u00f3digo para exporta\u00e7\u00e3o de chaves para TLSv1.2 foi reescrito.\n<li class=\"l\"> Limpeza e reestrutura\u00e7\u00e3o do antigo stack TLS foram realizadas.\n<li class=\"l\"> O comportamento das fun\u00e7\u00f5es BIO_read() e BIO_write() foi aproximado ao do OpenSSL 3.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58320\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenBSD \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u043e\u0439 \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 LibreSSL 3.7.0, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0444\u043e\u0440\u043a OpenSSL, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0435\u043a\u0442 LibreSSL \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d \u043d\u0430 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 SSL\/TLS \u0441 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435\u043c \u0438\u0437\u043b\u0438\u0448\u043d\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0447\u0438\u0441\u0442\u043a\u0438 \u0438 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b. \u0412\u044b\u043f\u0443\u0441\u043a LibreSSL 3.7.0 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-106027","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=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenBSD \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u043e\u0439 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