{"id":83619,"date":"2020-06-02T01:42:03","date_gmt":"2020-06-01T23:42:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-kriptograficheskoj-biblioteki-libressl-3-2-0"},"modified":"2020-06-02T01:42:03","modified_gmt":"2020-06-01T23:42:03","slug":"vypusk-kriptograficheskoj-biblioteki-libressl-3-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-kriptograficheskoj-biblioteki-libressl-3-2-0","title":{"rendered":"Vyd\u00e1n\u00ed kryptografick\u00e9 knihovny LibreSSL 3.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V\u00fdvoj\u00e1\u0159i projektu OpenBSD <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@openbsd.org\/msg00315.html\">p\u0159edstavili<\/a><\/noindex> verzi p\u0159enosn\u00e9ho bal\u00ed\u010dku <noindex><a rel=\"nofollow\" href=\"http:\/\/www.libressl.org\/\">LibreSSL 3.2.0<\/a><\/noindex>, v r\u00e1mci kter\u00e9ho se vyv\u00edj\u00ed fork OpenSSL, zam\u011b\u0159en\u00fd na zaji\u0161t\u011bn\u00ed vy\u0161\u0161\u00ed \u00farovn\u011b bezpe\u010dnosti. Projekt LibreSSL se soust\u0159ed\u00ed na kvalitn\u00ed podporu protokol\u016f SSL\/TLS s odstran\u011bn\u00edm nadbyte\u010dn\u00e9 funk\u010dnosti, p\u0159id\u00e1n\u00edm dodate\u010dn\u00fdch ochrann\u00fdch prost\u0159edk\u016f a proveden\u00edm v\u00fdrazn\u00e9ho \u00faklidu a p\u0159epracov\u00e1n\u00ed k\u00f3du. Vyd\u00e1n\u00ed LibreSSL 3.2.0 je pova\u017eov\u00e1no za experiment\u00e1ln\u00ed, ve kter\u00e9m se rozv\u00edjej\u00ed mo\u017enosti, kter\u00e9 se za\u0159ad\u00ed do OpenBSD 6.8. <\/p>\n<p>Vlastnosti LibreSSL 3.2.0:\n<\/p>\n<ul>\n<li class=\"l\"> Serverov\u00e1 \u010d\u00e1st je nyn\u00ed ve v\u00fdchoz\u00edm nastaven\u00ed zahrnuta <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49126\">TLS 1.3<\/a><\/noindex> krom\u011b d\u0159\u00edve nab\u00edzen\u00e9 klientsk\u00e9 \u010d\u00e1sti. Implementace TLS 1.3 je zalo\u017eena na nov\u00e9m kone\u010dn\u00e9m automatu a subsyst\u00e9mu pro pr\u00e1ci se z\u00e1znamy. Kompatibiln\u00ed API TLS 1.3 pro OpenSSL zat\u00edm nen\u00ed k dispozici, ale do t\u00fdmu openssl byly p\u0159id\u00e1ny souvisej\u00edc\u00ed mo\u017enosti s TLS 1.3.\n<li class=\"l\"> Ve subsyst\u00e9mu pro pr\u00e1ci se z\u00e1znamy byla vylep\u0161ena kontrola velikosti pol\u00ed TLS 1.3 a bylo zaji\u0161t\u011bno zobrazen\u00ed varov\u00e1n\u00ed v p\u0159\u00edpad\u011b p\u0159ekro\u010den\u00ed limit\u016f.\n<li class=\"l\"> V TLS serveru byla zaji\u0161t\u011bna zpracov\u00e1n\u00ed pouze platn\u00fdch n\u00e1zv\u016f hostitel\u016f v SNI, odpov\u00eddaj\u00edc\u00edch po\u017eadavk\u016fm RFC 5890 a RFC 6066.\n<li class=\"l\"> V implementaci TLS 1.3 byla p\u0159id\u00e1na podpora re\u017eimu SSL_MODE_AUTO_RETRY pro automatick\u00e9 op\u011btovn\u00e9 odes\u00edl\u00e1n\u00ed zpr\u00e1v o dohod\u011b p\u0159ipojen\u00ed.\n<li class=\"l\"> Do serveru a klienta TLS 1.3 byla p\u0159id\u00e1na podpora odes\u00edl\u00e1n\u00ed \u017e\u00e1dost\u00ed o ov\u011b\u0159en\u00ed stavu certifik\u00e1t\u016f pomoc\u00ed roz\u0161\u00ed\u0159en\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/OCSP_stapling\">OCSP stapling<\/a><\/noindex> (ov\u011b\u0159en\u00e1 certifika\u010dn\u00ed autoritou odpov\u011b\u010f OCSP je p\u0159ed\u00e1v\u00e1na obsluhuj\u00edc\u00edm webov\u00fdm serverem p\u0159i dohod\u011b TLS p\u0159ipojen\u00ed).\n<li class=\"l\"> P\u0159i vstupu\/v\u00fdstupu je ve v\u00fdchoz\u00edm nastaven\u00ed zapnut re\u017eim SSL_MODE_AUTO_RETRY, analogicky s nov\u00fdmi verzemi OpenSSL.\n<li class=\"l\"> Byly p\u0159id\u00e1ny regresn\u00ed testy zalo\u017een\u00e9 na  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tomato42\/tlsfuzzer\">tlsfuzzer<\/a><\/noindex>.\n<li class=\"l\"> Ve t\u00fdmu &#171;openssl x509&#187; je zaji\u0161t\u011bno ozna\u010den\u00ed nespr\u00e1vn\u00e9ho \u010dasov\u00e9ho \u00faseku platnosti certifik\u00e1tu.\n<li class=\"l\"> V TLS 1.3 s RSA je povoleno pou\u017e\u00edt pouze digit\u00e1ln\u00ed podpisy PSS.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53066\">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 3.2.0, \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 3.2.0 \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-83619","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 \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u0438 \u043f\u0430\u043a\u0435\u0442\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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