{"id":157148,"date":"2026-02-06T11:12:16","date_gmt":"2026-02-06T09:12:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/gnu-nettle-4-0"},"modified":"2026-02-06T11:12:16","modified_gmt":"2026-02-06T09:12:16","slug":"gnu-nettle-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/gnu-nettle-4-0","title":{"rendered":"GNU Nettle 4.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<blockquote>\n<p>Niels M\u00f6ller<\/p>\n<p> \u00d6r\u00f6mmel jelentem be a GNU Nettle \u00faj nagy kiad\u00e1s\u00e1t, amely egy alacsony szint\u0171 kriptogr\u00e1fiai funkci\u00f3kat tartalmaz\u00f3 k\u00f6nyvt\u00e1r. Ez a kiad\u00e1s t\u00f6bb API-v\u00e1ltoztat\u00e1st tartalmaz, amelyek k\u00f6z\u00fcl n\u00e9h\u00e1ny meglehet\u0151sen l\u00e9nyeges, \u00e9s n\u00e9h\u00e1ny elavult funkci\u00f3t elt\u00e1vol\u00edtottak. Van egy figyelemre m\u00e9lt\u00f3 \u00faj funkci\u00f3: az SLH-DSA al\u00e1\u00edr\u00e1sok t\u00e1mogat\u00e1sa (\u00e1llapotmentes hash-alap\u00fa digit\u00e1lis al\u00e1\u00edr\u00e1si algoritmus).<br \/>Ez egy \u00faj nagy kiad\u00e1s. Tartalmazza az SLH-DSA t\u00e1mogat\u00e1s\u00e1t. Sz\u00e1mos v\u00e1ltoztat\u00e1st hajtottak v\u00e9gre a Nettle API-j\u00e1ban, valamint elt\u00e1vol\u00edtott\u00e1k az elavult funkci\u00f3kat. Tov\u00e1bb\u00e1 javult az ABI, ennek k\u00f6vetkezt\u00e9ben az API szinte \u00e9rintetlen maradt, k\u00fcl\u00f6n\u00f6sen cs\u00f6kkent az egyes algoritmusok kontextusstrukt\u00far\u00e1inak m\u00e9rete\u2026<\/p>\n<\/blockquote>\n<p><b>V\u00e1ltoz\u00e1sok:<\/b><\/p>\n<ul>\n<li> A _digest funkci\u00f3k hash-algoritmusok, MAC \u00e9s AEAD eset\u00e9n t\u00f6bb\u00e9 nem fogadnak el k\u00edv\u00e1nt digest m\u00e9retet argumentumk\u00e9nt, helyette mindig a teljes m\u00e9ret\u0171 digest-et adnak vissza. Ennek megfelel\u0151en megv\u00e1ltozott a nettle_hash_digest_func t\u00edpusa is.<\/li>\n<li> A teljes \u00fczenetek CCM AES haszn\u00e1lat\u00e1val val\u00f3 feldolgoz\u00e1s\u00e1ra szolg\u00e1l\u00f3 funkci\u00f3k most konstans titkos\u00edt\u00e1si kontextust v\u00e1rnak el els\u0151 argumentumk\u00e9nt. P\u00e9ld\u00e1ul a ccm_aes128_encrypt_message funkci\u00f3 els\u0151 argumentuma most egy konstans aes128_ctx* strukt\u00fara. Kor\u00e1bban ez a ccm_aes128_ctx* strukt\u00fara volt, amely elhanyagolta mindent, kiv\u00e9ve az alap titkos\u00edt\u00e1si kontextust.<\/li>\n<li> A SHA3 funkci\u00f3k mostant\u00f3l ugyanazt a sha3_ctx strukt\u00far\u00e1t haszn\u00e1lj\u00e1k minden hash v\u00e1ltozatra, valamint ugyanazt a sha3_init funkci\u00f3t. A r\u00e9gi nevek, p\u00e9ld\u00e1ul a sha3_256_ctx \u00e9s sha3_256_init, el\u0151feldolgoz\u00f3 aliasokk\u00e9nt vannak defini\u00e1lva a visszafel\u00e9 kompatibilit\u00e1s biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben.<\/li>\n<li> A base16_decode_update \u00e9s base64_decode_update funkci\u00f3k dst_length argumentuma most bel\u00e9p\u0151 \u00e9s kimeneti argumentum is. Bel\u00e9p\u00e9skor a c\u00e9ltart\u00e1ly m\u00e9ret\u00e9t kell tartalmaznia, a dek\u00f3dol\u00e1s nem siker\u00fcl, ha ez a m\u00e9ret nem elegend\u0151. Kor\u00e1bban a dst_length csak kimeneti argumentum volt, \u00e9s megk\u00f6vetelte, hogy a c\u00e9ltart\u00e1ly elegend\u0151en nagy legyen b\u00e1rmely megadott src_length hossz\u00fas\u00e1g\u00fa bemeneti \u00e9rt\u00e9khez.<\/li>\n<\/ul>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/development\/18213794\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Niels M\u00f6ller \u042f \u0440\u0430\u0434 \u043e\u0431\u044a\u044f\u0432\u0438\u0442\u044c \u043e \u043d\u043e\u0432\u043e\u043c \u043a\u0440\u0443\u043f\u043d\u043e\u043c \u0440\u0435\u043b\u0438\u0437\u0435 GNU Nettle, \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439. \u042d\u0442\u043e\u0442 \u0440\u0435\u043b\u0438\u0437 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 API, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439. \u0415\u0441\u0442\u044c \u043e\u0434\u043d\u0430 \u0437\u0430\u043c\u0435\u0442\u043d\u0430\u044f \u043d\u043e\u0432\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f: \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 SLH-DSA \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439 (\u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u043f\u0438\u0441\u0438 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0445\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0435\u0437 \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f).\u042d\u0442\u043e \u043d\u043e\u0432\u044b\u0439 \u043a\u0440\u0443\u043f\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437. \u041e\u043d \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 [&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-157148","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=\"Niels M\u00f6ller \u042f \u0440\u0430\u0434 \u043e\u0431\u044a\u044f\u0432\u0438\u0442\u044c \u043e \u043d\u043e\u0432\u043e\u043c \u043a\u0440\u0443\u043f\u043d\u043e\u043c \u0440\u0435\u043b\u0438\u0437\u0435 GNU Nettle, \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 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