{"id":120271,"date":"2024-10-24T01:09:08","date_gmt":"2024-10-23T23:09:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-kriptograficheskih-bibliotek-openssl-3-4-libressl-4-0-botan-3-6-i-rustls-0-23-15"},"modified":"2024-10-24T01:09:08","modified_gmt":"2024-10-23T23:09:09","slug":"vypusk-kriptograficheskih-bibliotek-openssl-3-4-libressl-4-0-botan-3-6-i-rustls-0-23-15","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-kriptograficheskih-bibliotek-openssl-3-4-libressl-4-0-botan-3-6-i-rustls-0-23-15","title":{"rendered":"Vyd\u00e1n\u00ed kryptografick\u00fdch knihoven OpenSSL 3.4, LibreSSL 4.0, Botan 3.6 a Rustls 0.23.15","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byly zve\u0159ejn\u011bny nov\u00e9 verze kryptografick\u00fdch knihoven:    <\/p>\n<p>Vyd\u00e1n\u00ed knihovny OpenSSL 3.4.0 s implementac\u00ed protokol\u016f SSL\/TLS a r\u016fzn\u00fdch \u0161ifrovac\u00edch algoritm\u016f. Podpora OpenSSL 3.4 bude trvat do \u0159\u00edjna 2025. Podpora p\u0159edchoz\u00edch verz\u00ed OpenSSL 3.3, 3.2, 3.1 a 3.0 LTS potrv\u00e1 do dubna 2026, listopadu 2025, b\u0159ezna 2025 a z\u00e1\u0159\u00ed 2026. K\u00f3d projektu je distribuov\u00e1n pod licenc\u00ed Apache 2.0. Hlavn\u00ed novinky:   <\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora \u0161ifrovac\u00edch sad pro TLSv1.3, omezen\u00e1 funkcemi ov\u011b\u0159ov\u00e1n\u00ed integrity dat (RFC 9150) a zahrnuj\u00edc\u00ed algoritmy TLS_SHA256_SHA256 a TLS_SHA384_SHA384.\n<li class=\"l\"> Byla p\u0159id\u00e1na voliteln\u00e1 mo\u017enost pou\u017eit\u00ed dal\u0161\u00edho zdroje entropie na z\u00e1klad\u011b jitteru v gener\u00e1toru pseudon\u00e1hodn\u00fdch \u010d\u00edsel, implementovan\u00e9ho pomoc\u00ed knihovny jitterentropy. Entropie se vytv\u00e1\u0159\u00ed m\u011b\u0159en\u00edm rozd\u00edl\u016f v \u010dase opakovan\u00e9ho prov\u00e1d\u011bn\u00ed ur\u010dit\u00e9ho souboru instrukc\u00ed na CPU, z\u00e1visl\u00e9ho na mnoha vnit\u0159n\u00edch faktorech a nep\u0159edv\u00eddateln\u00e9ho bez fyzick\u00e9 kontroly nad CPU.\n<li class=\"l\"> Byla p\u0159id\u00e1na po\u010d\u00e1te\u010dn\u00ed podpora autoriza\u010dn\u00edch certifik\u00e1t\u016f (AC \u2014 Attribute Certificate, RFC 5755), kter\u00e9 zahrnuj\u00ed informace o pr\u00e1vech p\u0159\u00edstupu, opr\u00e1vn\u011bn\u00edch a atributech vlastn\u00edka certifik\u00e1tu, kter\u00e9 potvrzuj\u00ed mo\u017enost prov\u00e1d\u011bt ur\u010dit\u00e9 akce. Nap\u0159\u00edklad, AC-certifik\u00e1t m\u016f\u017ee definovat pr\u00e1vo p\u0159ipojit se k ur\u010dit\u00e9 slu\u017eb\u011b.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed X.509v3, souvisej\u00edc\u00edch s autorizovan\u00fdmi certifik\u00e1ty.\n<li class=\"l\"> V poskytovateli FIPS byla implementov\u00e1na podpora FIPS 140-3 Indicator API, kter\u00e1 umo\u017e\u0148uje ur\u010dit, zda byla dan\u00e1 operace provedena ve schv\u00e1len\u00e9 slu\u017eb\u011b, \u010di nikoliv.\n<li class=\"l\"> V API BIO (Basic Input\/Output) byla vylep\u0161ena podpora zpracov\u00e1n\u00ed vstupu ve form\u00e1tu Base64.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora kompilace utilit openssl v re\u017eimu PIE (Position Independent Executable), co\u017e umo\u017e\u0148uje pou\u017eit\u00ed randomizace adresn\u00edho prostoru (ASLR).\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora pro p\u0159\u00edmo vyj\u00edmateln\u00e9 kombinovan\u00e9 algoritmy digit\u00e1ln\u00edho podpisu, jako je RSA-SHA2-256.\n<li class=\"l\"> V PKCS#12 byla p\u0159id\u00e1na podpora PBMAC 1 (Password-Based Message Authentication Code 1, RFC 9579).\n<li class=\"l\"> Do utility openssl byly p\u0159id\u00e1ny mo\u017enosti '-not_before' a '-not_after' pro explicitn\u00ed ur\u010den\u00ed po\u010d\u00e1te\u010dn\u00edho a koncov\u00e9ho \u010dasu platnosti certifik\u00e1tu.\n<li class=\"l\"> Byla poskytnuta mo\u017enost vyu\u017eit\u00ed p\u0159edem vypo\u010d\u00edtan\u00fdch hodnot p\u0159i inicializaci kryptografick\u00fdch algoritm\u016f na z\u00e1klad\u011b elliptick\u00fdch k\u0159ivek P-256.\n<li class=\"l\"> Funkce TS_VERIFY_CTX_set_* byly ozna\u010deny jako zastaral\u00e9, nahrazeny funkcemi TS_VERIFY_CTX_set0_* s vylep\u0161enou s\u00e9mantikou.\n<li class=\"l\"> Funkce SSL_SESSION_get_time(), SSL_SESSION_set_time() a SSL_CTX_flush_sessions() byly ozna\u010deny jako zastaral\u00e9 a m\u011bly by b\u00fdt nahrazeny funkcemi SSL_SESSION_get_time_ex(), SSL_SESSION_set_time_ex() a SSL_CTX_flush_sessions_ex(), kter\u00e9 odstranily probl\u00e9m roku 2038.\n<li class=\"l\"> O\u010dek\u00e1van\u00e1 podpora protokolu QIUC ve verzi OpenSSL 3.4 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-los-angeles\/\" title=\"serveru\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"3944\">serveru<\/a> byla odlo\u017eena a\u017e na dal\u0161\u00ed vyd\u00e1n\u00ed.    <\/ul>\n<p>Vyd\u00e1n\u00ed projektu LibreSSL 4.0.0, vyv\u00edjen\u00e9ho jako fork OpenSSL, zam\u011b\u0159en\u00e9ho na poskytov\u00e1n\u00ed vy\u0161\u0161\u00ed \u00farovn\u011b zabezpe\u010den\u00ed a kvalitn\u00ed podporu protokol\u016f SSL\/TLS s odstran\u011bn\u00edm nadbyte\u010dn\u00e9 funk\u010dnosti, p\u0159id\u00e1n\u00edm dal\u0161\u00edch ochrann\u00fdch prost\u0159edk\u016f a proveden\u00edm zna\u010dn\u00e9ho \u00faklidu a p\u0159epracov\u00e1n\u00ed k\u00f3dov\u00e9 z\u00e1kladny. Zna\u010dn\u00e1 zm\u011bna \u010d\u00edsla verze souvis\u00ed s pou\u017e\u00edv\u00e1n\u00edm desetinn\u00e9ho \u010d\u00edslov\u00e1n\u00ed (po 3.9 n\u00e1sleduje verze 4.0). Nejv\u00fdrazn\u011bj\u0161\u00ed zm\u011bny:  <\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na po\u010d\u00e1te\u010dn\u00ed podpora pro sestaven\u00ed s pou\u017eit\u00edm Emscripten, p\u0159eklada\u010de z C\/C++ do WebAssembly.\n<li class=\"l\"> Do p\u0159\u00edkazu \u201eopenssl cms\u201c byla p\u0159id\u00e1na mo\u017enost CRLfile pro ur\u010den\u00ed dal\u0161\u00edch seznam\u016f odvolan\u00fdch certifik\u00e1t\u016f (CRL), kter\u00e9 budou pou\u017eity p\u0159i ov\u011b\u0159ov\u00e1n\u00ed.\n<li class=\"l\"> Podpora platformy mips32 byla ukon\u010dena.\n<li class=\"l\"> Byl ukon\u010den p\u0159\u00edstup k funkc\u00edm napsan\u00fdm v assembleru prost\u0159ednictv\u00edm ve\u0159ejn\u00e9ho API (takov\u00e9 funkce jsou nyn\u00ed poskytov\u00e1ny pouze prost\u0159ednictv\u00edm wrapper funkc\u00ed v jazyce C). Byly odstran\u011bny assemblerov\u00e9 implementace zastaral\u00fdch \u0161ifrovac\u00edch algoritm\u016f pro zastaral\u00e9 architektury.\n<li class=\"l\"> Byl odstran\u011bn k\u00f3d pro ke\u0161ov\u00e1n\u00ed platnosti certifik\u00e1t\u016f, kter\u00fd ztratil smysl po optimalizaci v\u00fdkonu.\n<li class=\"l\"> Byla vylep\u0161ena implementace roz\u0161\u00ed\u0159en\u00ed X.509v3, sjednoceny metody X.509v3 a proveden \u00faklid souvisej\u00edc\u00edho X.509v3 API.\n<li class=\"l\"> Implementace typu CRYPTO_EX_DATA byla zcela p\u0159epracov\u00e1na.\n<li class=\"l\"> V libcrypto byly funkce atoi() a strtol() nahrazeny funkc\u00ed strtonum().\n<li class=\"l\"> Byl p\u0159id\u00e1n hlavi\u010dkov\u00fd soubor crypto_arch.h, do kter\u00e9ho byl vy\u010dlen\u011bn k\u00f3d specifick\u00fd pro hardwarov\u00e9 architektury.\n<li class=\"l\"> Implementace algoritmu DES byla p\u0159epracov\u00e1na a optimalizov\u00e1na.\n<li class=\"l\"> Byly odstran\u011bny hlavi\u010dkov\u00e9 soubory pem2.h, ssl2.h, ssl23.h a ui_compat.h.\n<li class=\"l\"> Podpora pro hashovac\u00ed algoritmus Whirlpool byla odstran\u011bna.\n<li class=\"l\"> Byly odstran\u011bny funkce HMAC_Init(), OPENSSL_load_builtin_modules(), X509_REQ_{get,set}_extension_nids(), X509_check_trust().\n<li class=\"l\"> Byly odebr\u00e1ny typy PEM_USER, PEM_CTX, COMP_CTX, COMP_METHOD, X509_CRL_METHOD, STORE, STORE_METHOD a SSL_AEAD_CTX.\n<li class=\"l\"> Do libssl byly p\u0159id\u00e1ny funkce SSL_CTX_set1_cert_store() a SSL_CIPHER_get_handshake_digest().        <\/ul>\n<p>Byla uvoln\u011bna verze kryptografick\u00e9 knihovny Botan 3.6.0, pou\u017e\u00edvan\u00e9 v projektu NeoPG, forku GnuPG 2. Knihovna poskytuje velkou sb\u00edrku hotov\u00fdch primitiv pou\u017e\u00edvan\u00fdch v protokolu TLS, certifik\u00e1tech X.509, \u0161ifr\u00e1ch AEAD, modulech TPM, PKCS#11, hashov\u00e1n\u00ed hesel a postkvantov\u00e9 kryptografii (podpisy na z\u00e1klad\u011b hash a dohodnut\u00ed kl\u00ed\u010d\u016f na z\u00e1klad\u011b McEliece). Knihovna je naps\u00e1na v jazyce C++ a je dod\u00e1v\u00e1na pod licenc\u00ed BSD. V nov\u00e9 verzi:  <\/p>\n<ul>\n<li class=\"l\"> Byla integrovan\u00e1 nov\u00e1 knihovna s kryptografick\u00fdmi algoritmy na b\u00e1zi eliptick\u00fdch k\u0159ivek, jej\u00ed\u017e operace na z\u00e1klad\u011b typov\u00fdch k\u0159ivek prob\u00edhaj\u00ed 2-3kr\u00e1t rychleji. Tak\u00e9 byl navr\u017een nov\u00fd API pro n\u00edzko\u00farov\u0148ovou pr\u00e1ci s eliptick\u00fdmi k\u0159ivkami.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora ned\u00e1vno standardizovan\u00fdch v NIST algoritm\u016f postkvantov\u00e9ho \u0161ifrov\u00e1n\u00ed: FIPS 203 ML-KEM (Kyber), FIPS 204 ML-DSA (Dilithium) a FIPS 205 SLH-DSA (SPHINCS+).\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora \u010dip\u016f TPM2.\n<li class=\"l\"> Bylo roz\u0161\u00ed\u0159eno pou\u017eit\u00ed v\u00fdpo\u010dt\u016f s konstantn\u00edm \u010dasem prov\u00e1d\u011bn\u00ed operac\u00ed pro ochranu p\u0159ed \u00fatoky pomoc\u00ed bo\u010dn\u00edch kan\u00e1l\u016f.\n<li class=\"l\"> Byla p\u0159id\u00e1na generace dodate\u010dn\u00e9 entropie pomoc\u00ed knihovny jitterentropy.\n<li class=\"l\"> Byla zv\u00fd\u0161ena v\u00fdkonnost zpracov\u00e1n\u00ed dat v hexadecim\u00e1ln\u00edm form\u00e1tu a k\u00f3dov\u00e1n\u00ed base64.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora procesorov\u00fdch roz\u0161\u00ed\u0159en\u00ed AVX2-VAES a GFNI-AVX2.\n<li class=\"l\"> Bylo p\u0159id\u00e1no ur\u010den\u00ed schopnost\u00ed CPU armv7, aarch64 a ppc64 na platform\u011b OpenBSD.\n<li class=\"l\"> Byla p\u0159id\u00e1na konfigura\u010dn\u00ed volba pro vypnut\u00ed v\u0161ech inline assemblerov\u00fdch vlo\u017eek.    <\/ul>\n<p>Byla uvoln\u011bna verze projektu Rustls 0.23.15, vyv\u00edjej\u00edc\u00ed klientskou a serverovou implementaci protokol\u016f TLS1.2 a TLS1.3 pro projekty v jazyce Rust. Rustls neposkytuje vlastn\u00ed implementaci kryptografick\u00fdch primitiv, ale pou\u017e\u00edv\u00e1 p\u0159ipojiteln\u00e9 poskytovatele kryptografick\u00fdch funkc\u00ed (podporovan\u00e9 algoritmy ECDSA, Ed25519, RSA, ChaCha20-Poly1305, AES128-GCM a AES256-GCM). Ve v\u00fdchoz\u00edm nastaven\u00ed pou\u017e\u00edv\u00e1 Rustls kryptoprovodce na z\u00e1klad\u011b knihovny aws-lc-rs, kter\u00e1 je vyv\u00edjena spole\u010dnost\u00ed Amazon a vych\u00e1z\u00ed z C++ k\u00f3du AWS-LC, odvozen\u00e9ho od projektu BoringSSL (udr\u017eovan\u00e9ho Googlem, fork OpenSSL). Jako kryptoprovodce m\u016f\u017ee b\u00fdt tak\u00e9 pou\u017eita knihovna ring, kter\u00e1 je \u010d\u00e1ste\u010dn\u011b zalo\u017eena na BoringSSL a kombinuje k\u00f3d v assembleru, C++ a Rust.     <\/p>\n<p>Nov\u00e1 verze vynik\u00e1 v\u00fdznamn\u00fdmi optimalizacemi v\u00fdkonu. Tvrd\u00ed se, \u017ee p\u0159i pou\u017e\u00edv\u00e1n\u00ed kryptoprimitiv\u016f knihovna aws-lc-rs nyn\u00ed p\u0159ekon\u00e1v\u00e1 knihovny OpenSSL a BoringSSL v testech m\u011b\u0159\u00edc\u00edch propustnost a rychlost dojedn\u00e1n\u00ed\/obnoven\u00ed spojen\u00ed.    <img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed kryptografick\u00fdch knihoven OpenSSL 3.4, LibreSSL 4.0, Botan 3.6 a Rustls 0.23.15\" src=\"\/wp-content\/uploads\/2024\/10\/51b2782d9e3db5f18b710a5cc9e6641b.png\" style=\"display:block;margin: 0 auto\" \/>    <img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed kryptografick\u00fdch knihoven OpenSSL 3.4, LibreSSL 4.0, Botan 3.6 a Rustls 0.23.15\" src=\"\/wp-content\/uploads\/2024\/10\/d3e33869768a3f91bf67eede6abe499c.png\" style=\"display:block;margin: 0 auto\" \/><br \/>\n<br \/>Zdroj: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62095\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a: \u0420\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 OpenSSL 3.4.0 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 SSL\/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. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 OpenSSL 3.4 \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0434\u043e \u043e\u043a\u0442\u044f\u0431\u0440\u044f 2025 \u0433\u043e\u0434\u0430. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u043e\u0448\u043b\u044b\u0445 \u0432\u0435\u0442\u043e\u043a OpenSSL 3.3, 3.2, 3.1 \u0438 3.0 LTS \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e \u0430\u043f\u0440\u0435\u043b\u044f 2026 \u0433\u043e\u0434\u0430, \u043d\u043e\u044f\u0431\u0440\u044f 2025 \u0433\u043e\u0434\u0430, \u043c\u0430\u0440\u0442\u0430 2025 \u0433\u043e\u0434\u0430 \u0438 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f 2026 \u0433\u043e\u0434\u0430 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 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