{"id":163123,"date":"2026-03-05T11:12:00","date_gmt":"2026-03-05T09:12:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-chromebook-nachalas-integracziya-otkrytyh-chipov-opentitan"},"modified":"2026-03-05T11:12:00","modified_gmt":"2026-03-05T09:12:01","slug":"v-chromebook-nachalas-integracziya-otkrytyh-chipov-opentitan","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-chromebook-nachalas-integracziya-otkrytyh-chipov-opentitan","title":{"rendered":"V Chromebooku za\u010dala integrace otev\u0159en\u00fdch \u010dip\u016f OpenTitan","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Google ozn\u00e1mila, \u017ee za\u010dala pou\u017e\u00edvat v za\u0159\u00edzen\u00edch Chromebook \u010dipy postaven\u00e9 na z\u00e1klad\u011b otev\u0159en\u00e9 platformy OpenTitan. Chromebooky se staly prvn\u00edmi komer\u010dn\u011b dostupn\u00fdmi za\u0159\u00edzen\u00edmi vybaven\u00fdmi OpenTitan. V tomto roce pl\u00e1nuje Google tak\u00e9 zah\u00e1jit implementaci serverov\u00fdch syst\u00e9m\u016f s OpenTitan v datov\u00fdch centrech. Masovou v\u00fdrobu \u010dip\u016f organizuje spole\u010dnost Nuvoton. D\u00e1le bylo ozn\u00e1meno, \u017ee se pracuje na druh\u00e9 verzi \u010dipu, kter\u00fd umo\u017en\u00ed vyu\u017eit\u00ed postkvantov\u00fdch algoritm\u016f \u0161ifrov\u00e1n\u00ed ML-DSA a ML-KEM pro bezpe\u010dn\u00e9 bootov\u00e1n\u00ed a attestaci, implementuj\u00edc\u00ed metody kryptografie zalo\u017een\u00e9 na \u0159e\u0161en\u00ed \u00faloh teorie m\u0159\u00ed\u017eek.

\"V<\/center> <\/p>\n

Projekt OpenTitan poskytuje platformu pro vytv\u00e1\u0159en\u00ed d\u016fv\u011bryhodn\u00fdch hardwarov\u00fdch komponent\u016f (RoT, Root of Trust), kter\u00e9 se pou\u017e\u00edvaj\u00ed tam, kde je t\u0159eba zaru\u010dit integritu hardwarov\u00fdch a softwarov\u00fdch prvk\u016f syst\u00e9mu. OpenTitan byl zalo\u017een spole\u010dnost\u00ed Google v roce 2018, ale v roce 2019 byl p\u0159ed\u00e1n neziskov\u00e9 organizaci lowRISC, po n\u00ed\u017e se k jeho v\u00fdvoji p\u0159ipojily spole\u010dnosti jako Western Digital, Seagate, Nuvoton Technology, Winbond, Rivos, zeroRISC a G+D Mobile Security. Souvisej\u00edc\u00ed k\u00f3d a specifikace hardwarov\u00fdch komponent\u016f byly vyd\u00e1ny pod licenc\u00ed Apache 2.0. Z\u00e1kladem \u0159e\u0161en\u00ed pou\u017e\u00edvan\u00fdch v OpenTitan jsou technologie ji\u017e pou\u017e\u00edvan\u00e9 v kryptografick\u00fdch USB token\u00edch Google Titan a TPM \u010dipech pro zaji\u0161t\u011bn\u00ed ov\u011b\u0159en\u00e9ho bootov\u00e1n\u00ed, kter\u00e9 se instaluj\u00ed na serverech<\/a> infrastruktu\u0159e Google, stejn\u011b jako na za\u0159\u00edzen\u00edch Chromebook a Pixel. <\/p>\n

Na rozd\u00edl od st\u00e1vaj\u00edc\u00edch realizac\u00ed Root of Trust se OpenTitan vyv\u00edj\u00ed v souladu s konceptem \u201ebezpe\u010dnost prost\u0159ednictv\u00edm transparentnosti\u201c, kter\u00fd zahrnuje dostupnost k\u00f3du a sch\u00e9mat a tak\u00e9 pou\u017eit\u00ed zcela otev\u0159en\u00e9ho procesu v\u00fdvoje, kter\u00fd nen\u00ed spjat s konkr\u00e9tn\u00edmi dodavateli a v\u00fdrobci \u010dip\u016f. OpenTitan se stal prvn\u00ed otev\u0159enou realizac\u00ed Root of Trust uvedenou na trh, kter\u00e1 podporuje postkvantov\u00fd mechanismus bezpe\u010dn\u00e9ho spou\u0161t\u011bn\u00ed zalo\u017een\u00fd na pou\u017eit\u00ed algoritmu pro generov\u00e1n\u00ed digit\u00e1ln\u00edch podpis\u016f SLH-DSA (Sphincs+), odoln\u00e9ho v\u016f\u010di \u00fatok\u016fm z kvantov\u00fdch po\u010d\u00edta\u010d\u016f. <\/p>\n

\u010cipy zalo\u017een\u00e9 na OpenTitan mohou b\u00fdt pou\u017e\u00edv\u00e1ny v serverov\u00fdch z\u00e1kladn\u00edch desk\u00e1ch, s\u00ed\u0165ov\u00fdch kart\u00e1ch, spot\u0159ebitelsk\u00fdch za\u0159\u00edzen\u00edch, routerech a za\u0159\u00edzen\u00edch internetu v\u011bc\u00ed pro ov\u011b\u0159ov\u00e1n\u00ed firmwaru a nahr\u00e1van\u00fdch komponent\u016f (ochrana proti modifikaci kritick\u00fdch \u010d\u00e1st\u00ed syst\u00e9mu), pro generov\u00e1n\u00ed kryptograficky unik\u00e1tn\u00edch identifik\u00e1tor\u016f syst\u00e9mu (ochrana proti podvr\u017een\u00ed za\u0159\u00edzen\u00ed), pro poskytov\u00e1n\u00ed souvisej\u00edc\u00edch bezpe\u010dnostn\u00edch slu\u017eeb, pro ochranu kryptografick\u00fdch kl\u00ed\u010d\u016f (izolace kl\u00ed\u010d\u016f v p\u0159\u00edpad\u011b, \u017ee se \u00fato\u010dn\u00edk dostane do fyzick\u00e9ho p\u0159\u00edstupu k za\u0159\u00edzen\u00ed) a pro veden\u00ed izolovan\u00e9ho auditn\u00edho protokolu, kter\u00fd nen\u00ed mo\u017en\u00e9 editovat nebo smazat. <\/p>\n

OpenTitan zahrnuje logick\u00e9 bloky po\u017eadovan\u00e9 v \u010dipech RoT, jako je open-source mikroprocesor zalo\u017een\u00fd na architektu\u0159e RISC-V (RV32IMCB Ibex), kryptografick\u00e9 koprocessory, hardware gener\u00e1tor n\u00e1hodn\u00fdch \u010d\u00edsel, spr\u00e1vce kl\u00ed\u010d\u016f s podporou DICE, mechanismus zabezpe\u010den\u00e9ho ukl\u00e1d\u00e1n\u00ed dat v trval\u00e9 a opera\u010dn\u00ed pam\u011bti, technologie ochrany, vstupn\u011b\/v\u00fdstupn\u00ed bloky a komponenty zabezpe\u010den\u00e9ho zav\u00e1d\u011bn\u00ed. Za\u0159\u00edzen\u00ed tak\u00e9 poskytuje bloky s implementac\u00ed b\u011b\u017en\u00fdch algoritm\u016f \u0161ifrov\u00e1n\u00ed, jako jsou AES a HMAC-SHA256, a akceler\u00e1tor matematick\u00fdch operac\u00ed pou\u017e\u00edvan\u00fdch v algoritmech pro pr\u00e1ci s digit\u00e1ln\u00edmi podpisy zalo\u017een\u00fdmi na ve\u0159ejn\u00fdch kl\u00ed\u010d\u00edch. <\/p>\n

\"V<\/center>
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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 Chromebook \u0447\u0438\u043f\u043e\u0432, \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b OpenTitan. 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Chromebooky se staly prvn\u00edmi komer\u010dn\u011b dostupn\u00fdmi za\u0159\u00edzen\u00edmi vybaven\u00fdmi OpenTitan.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/v-chromebook-nachalas-integracziya-otkrytyh-chipov-opentitan","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412 Chromebook \u043d\u0430\u0447\u0430\u043b\u0430\u0441\u044c \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u044f \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0447\u0438\u043f\u043e\u0432 OpenTitan | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 Chromebook \u0447\u0438\u043f\u043e\u0432, \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b OpenTitan. 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