{"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\/ro\/blog\/news\/vypusk-kriptograficheskih-bibliotek-openssl-3-4-libressl-4-0-botan-3-6-i-rustls-0-23-15","title":{"rendered":"Lansarea bibliotecilor criptografice OpenSSL 3.4, LibreSSL 4.0, Botan 3.6 \u0219i Rustls 0.23.15","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Au fost publicate mai multe versiuni noi ale bibliotecilor criptografice:    <\/p>\n<p>Lansarea bibliotecii OpenSSL 3.4.0 cu implementarea protocoalelor SSL\/TLS \u0219i a diferitelor algoritmi de criptare. Suportul pentru OpenSSL 3.4 va continua p\u00e2n\u0103 \u00een octombrie 2025. Suportul pentru ramurile anterioare OpenSSL 3.3, 3.2, 3.1 \u0219i 3.0 LTS va dura p\u00e2n\u0103 \u00een aprilie 2026, noiembrie 2025, martie 2025 \u0219i septembrie 2026 respectiv. Codul proiectului este distribuit sub licen\u021ba Apache 2.0. Principalele nout\u0103\u021bi:   <\/p>\n<ul>\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru setul de cifre pentru TLSv1.3, limitat de func\u021biile de verificare a integrit\u0103\u021bii datelor (RFC 9150) \u0219i incluz\u00e2nd algoritmi TLS_SHA256_SHA256 \u0219i TLS_SHA384_SHA384.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 op\u021biunea de a folosi o surs\u0103 suplimentar\u0103 de entropie bazat\u0103 pe jitter \u00een generatorul de numere pseudo-aleatorii, implementat\u0103 cu ajutorul bibliotecii jitterentropy. Generarea entropiei se face prin m\u0103surarea diferen\u021belor \u00een timpul execut\u0103rii repetate a unui set specific de instruc\u021biuni pe CPU, care depind de mul\u021bi factori interni \u0219i sunt imprevizibile f\u0103r\u0103 un control fizic asupra CPU-ului.\n<li class=\"l\"> A fost ad\u0103ugat suport ini\u021bial pentru certificatele de atribu\u021bie (AC \u2014 Attribute Certificate, RFC 5755), care includ informa\u021bii despre drepturile de acces, \u00eemputerniciri \u0219i atributele titularului certificatului, atest\u00e2nd capacitatea de a efectua anumite ac\u021biuni. De exemplu, un certificat AC poate defini dreptul de a se conecta la un anumit serviciu.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru extensiile X.509v3 asociate cu certificatele de autorizare.\n<li class=\"l\"> \u00cen provider-ul FIPS a fost implementat suportul pentru API Indicator FIPS 140-3, care permite determinarea utiliz\u0103rii unei anumite opera\u021biuni \u00eentr-un serviciu aprobat sau nu.\n<li class=\"l\"> \u00cen API BIO (Basic Input\/Output) a fost \u00eembun\u0103t\u0103\u021bit\u0103 procesarea datele de intrare \u00een format Base64.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru construirea utilitarului openssl \u00een modul PIE (Position Independent Executable), care permite utilizarea randomiz\u0103rii spa\u021biului de adresare (ASLR).\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru algoritmii de semn\u0103tur\u0103 digital\u0103 combini\u021bi extrabili, cum ar fi RSA-SHA2-256.\n<li class=\"l\"> \u00cen PKCS#12 a fost ad\u0103ugat\u0103 suportul pentru PBMAC 1 (Password-Based Message Authentication Code 1, RFC 9579).\n<li class=\"l\"> Utilitarul openssl a fost \u00eembun\u0103t\u0103\u021bit cu op\u021biunile '-not_before' \u0219i '-not_after' pentru a specifica \u00een mod explicit timpul de \u00eenceput \u0219i de sf\u00e2r\u0219it al valabilit\u0103\u021bii certificatului.\n<li class=\"l\"> A fost oferit\u0103 posibilitatea de a utiliza valori pre-calculatoare la ini\u021bializarea algoritmilor criptografici pe baza curbelor eliptice P-256.\n<li class=\"l\"> Func\u021biile TS_VERIFY_CTX_set_* au fost declarate \u00eenvechite, fiind \u00eenlocuite de func\u021biile TS_VERIFY_CTX_set0_* cu o semantica \u00eembun\u0103t\u0103\u021bit\u0103.\n<li class=\"l\"> Func\u021biile SSL_SESSION_get_time(), SSL_SESSION_set_time() \u0219i SSL_CTX_flush_sessions() au fost declarate \u00eenvechite; \u00een locul acestora, se recomand\u0103 utilizarea SSL_SESSION_get_time_ex(), SSL_SESSION_set_time_ex() \u0219i SSL_CTX_flush_sessions_ex(), care elimin\u0103 problema anului 2038.\n<li class=\"l\"> Suportul a\u0219teptat pentru protocolul QIUC \u00een OpenSSL 3.4 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-los-angeles\/\" title=\"server\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"3944\">server<\/a> a fost am\u00e2nat p\u00e2n\u0103 la urm\u0103toarea versiune.    <\/ul>\n<p>Lansarea proiectului LibreSSL 4.0.0, un fork al OpenSSL, destinat s\u0103 ofere un nivel mai ridicat de securitate \u0219i suport de calitate pentru protocoalele SSL\/TLS, elimin\u00e2nd func\u021bionalit\u0103\u021bile inutile, ad\u0103ug\u00e2nd m\u0103suri de protec\u021bie suplimentare \u0219i realiz\u00e2nd o cur\u0103\u021bare semnificativ\u0103 \u0219i o revizuire a bazei de cod. Schimbarea semnificativ\u0103 a num\u0103rului de versiune este legat\u0103 de utilizarea numerot\u0103rii zecimale (dup\u0103 3.9 urmeaz\u0103 versiunea 4.0). Cele mai notabile schimb\u0103ri:  <\/p>\n<ul>\n<li class=\"l\"> S-a ad\u0103ugat suport ini\u021bial pentru compilarea folosind Emscripten, un compilator din C\/C++ \u00een WebAssembly.\n<li class=\"l\"> Comenzii 'openssl cms' i s-a ad\u0103ugat op\u021biunea CRLfile pentru a specifica liste suplimentare de certificate revocate (CRL), care vor fi utilizate \u00een timpul procesului de verificare.\n<li class=\"l\"> Suportul pentru platforma mips32 a fost oprit.\n<li class=\"l\"> Accesul la func\u021biile scrise \u00een limbaj de asamblare prin API-ul public a fost \u00eentrerupt (aceste func\u021bii sunt acum disponibile doar prin func\u021bii de leg\u0103tur\u0103 \u00een limbajul C). Au fost eliminate implement\u0103rile \u00een asamblare ale cript\u0103rii \u00eenvechite pentru arhitecturi \u00eenvechite.\n<li class=\"l\"> Codul pentru memoria cache a validit\u0103\u021bii certificatelor a fost eliminat, deoarece a devenit inutil dup\u0103 optimizarea performan\u021bei.\n<li class=\"l\"> Implementarea extensiilor X.509v3 a fost \u00eembun\u0103t\u0103\u021bit\u0103, metodele X.509v3 au fost unificate \u0219i API-urile asociate cu X.509v3 au fost cur\u0103\u021bate.\n<li class=\"l\"> Implementarea tipului CRYPTO_EX_DATA a fost complet rescris\u0103.\n<li class=\"l\"> \u00cen libcrypto, func\u021biile atoi() \u0219i strtol() au fost \u00eenlocuite cu strtonum().\n<li class=\"l\"> A fost ad\u0103ugat fi\u0219ierul de antet crypto_arch.h, \u00een care a fost mutat codul specific arhitecturilor hardware.\n<li class=\"l\"> Implementarea algoritmului DES a fost reproiectat\u0103 \u0219i optimizat\u0103.\n<li class=\"l\"> Fi\u0219ierele de antet pem2.h, ssl2.h, ssl23.h \u0219i ui_compat.h au fost eliminate.\n<li class=\"l\"> Suportul pentru algoritmul de hashing Whirlpool a fost eliminat.\n<li class=\"l\"> Func\u021biile HMAC_Init(), OPENSSL_load_builtin_modules(), X509_REQ_{get,set}_extension_nids(), X509_check_trust() au fost eliminate.\n<li class=\"l\"> Tipurile PEM_USER, PEM_CTX, COMP_CTX, COMP_METHOD, X509_CRL_METHOD, STORE, STORE_METHOD \u0219i SSL_AEAD_CTX au fost eliminate.\n<li class=\"l\"> \u00cen libssl au fost ad\u0103ugate func\u021biile SSL_CTX_set1_cert_store() \u0219i SSL_CIPHER_get_handshake_digest().        <\/ul>\n<p>Este disponibil\u0103 versiunea bibliotecii criptografice Botan 3.6.0, folosit\u0103 \u00een proiectul NeoPG, un fork al GnuPG 2. Biblioteca ofer\u0103 o colec\u021bie mare de primitive gata preg\u0103tite, utilizate \u00een protocolul TLS, certificate X.509, algoritmi AEAD, module TPM, PKCS#11, hashing de parole \u0219i criptografie post-cuantic\u0103 (semn\u0103turi bazate pe hash \u0219i acorduri de chei bazate pe McEliece). Biblioteca este scris\u0103 \u00een C++ \u0219i este livrat\u0103 sublicen\u021ba BSD. \u00cen noua versiune:  <\/p>\n<ul>\n<li class=\"l\"> A fost integrat\u0103 o nou\u0103 bibliotec\u0103 cu algoritmi criptografici bazat\u0103 pe curbe elliptice, opera\u021biile bazate pe curbe standardizate fiind realizate de 2-3 ori mai repede. De asemenea, a fost propus un nou API pentru lucrul la nivel de baz\u0103 cu curbe elliptice.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru algoritmii post-quantici standardiza\u021bi recent \u00een NIST: FIPS 203 ML-KEM (Kyber), FIPS 204 ML-DSA (Dilithium) \u0219i FIPS 205 SLH-DSA (SPHINCS+).\n<li class=\"l\"> A fost ad\u0103ugat suportul pentru cipurile TPM2.\n<li class=\"l\"> A fost extins utilizarea calculelor cu timp constant pentru a proteja \u00eempotriva atacurilor prin canalelor laterale.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 generarea de entropie suplimentar\u0103 cu ajutorul bibliotecii jitterentropy.\n<li class=\"l\"> Performan\u021ba proces\u0103rii datelor \u00een format hexazecimal \u0219i codificare base64 a fost \u00eembun\u0103t\u0103\u021bit\u0103.\n<li class=\"l\"> A fost ad\u0103ugat suportul pentru extensiile de procesor AVX2-VAES \u0219i GFNI-AVX2.\n<li class=\"l\"> A fost ad\u0103ugat suportul pentru identificarea capacit\u0103\u021bilor CPU armv7, aarch64 \u0219i ppc64 pe platforma OpenBSD.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 o op\u021biune de compilare pentru dezactivarea tuturor inser\u021biilor inline de asamblare.    <\/ul>\n<p>Versiunea proiectului Rustls 0.23.15, care dezvolt\u0103 implementarea client\/server a protocoalelor TLS1.2 \u0219i TLS1.3 pentru proiecte scrise \u00een Rust. Rustls nu ofer\u0103 o implementare proprie a primitivilor criptografici, ci folose\u0219te furnizori de func\u021bii criptografice externe (se sus\u021bin algoritmii ECDSA, Ed25519, RSA, ChaCha20-Poly1305, AES128-GCM \u0219i AES256-GCM). \u00cen mod implicit, Rustls folose\u0219te furnizorul criptografic bazat pe biblioteca aws-lc-rs, care este dezvoltat\u0103 de Amazon \u0219i se bazeaz\u0103 pe codul C++ al AWS-LC, derivat din proiectul BoringSSL (mentenat de Google fork OpenSSL). Biblioteca ring, care combin\u0103 codul de asamblare, C++ \u0219i Rust, poate fi utilizat\u0103 ca furnizor criptografic alternativ.     <\/p>\n<p>Noua versiune se remarc\u0103 prin optimiz\u0103ri semnificative ale performan\u021bei. Se afirm\u0103 c\u0103, utiliz\u00e2nd criptoprimitivii, biblioteca aws-lc-rs dep\u0103\u0219e\u0219te acum bibliotecile OpenSSL \u0219i BoringSSL \u00een teste care m\u0103soar\u0103 l\u0103\u021bimea de band\u0103 \u0219i viteza de stabilire\/reluare a conexiunii.    <img decoding=\"async\" alt=\"Lansarea bibliotecilor criptografice OpenSSL 3.4, LibreSSL 4.0, Botan 3.6 \u0219i Rustls 0.23.15\" src=\"\/wp-content\/uploads\/2024\/10\/51b2782d9e3db5f18b710a5cc9e6641b.png\" style=\"display:block;margin: 0 auto\" \/>    <img decoding=\"async\" alt=\"Lansarea bibliotecilor criptografice OpenSSL 3.4, LibreSSL 4.0, Botan 3.6 \u0219i Rustls 0.23.15\" src=\"\/wp-content\/uploads\/2024\/10\/d3e33869768a3f91bf67eede6abe499c.png\" style=\"display:block;margin: 0 auto\" \/><br \/>\n<br \/>Sursa: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62095\">opennet.ro<\/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 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":120272,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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