{"id":121747,"date":"2025-02-07T03:46:08","date_gmt":"2025-02-07T01:46:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/nachalos-proizvodstvo-chipov-na-baze-otkrytoj-platformy-opentitan"},"modified":"2025-02-07T03:46:08","modified_gmt":"2025-02-07T01:46:09","slug":"nachalos-proizvodstvo-chipov-na-baze-otkrytoj-platformy-opentitan","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/nachalos-proizvodstvo-chipov-na-baze-otkrytoj-platformy-opentitan","title":{"rendered":"La production de puces bas\u00e9es sur la plateforme ouverte OpenTitan a commenc\u00e9","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'entreprise Google a annonc\u00e9 le d\u00e9but de la production d'une puce, d\u00e9velopp\u00e9e sur la base de la plateforme ouverte OpenTitan, apr\u00e8s six ann\u00e9es de travail sur le projet. La puce est fabriqu\u00e9e par Nuvoton et est marqu\u00e9e comme la premi\u00e8re r\u00e9alisation d'OpenTitan pr\u00eate \u00e0 \u00eatre utilis\u00e9e dans des projets r\u00e9els. Actuellement, une s\u00e9rie d'essai a \u00e9t\u00e9 lanc\u00e9e pour les tests, et le lancement de la production en s\u00e9rie est pr\u00e9vu pour le printemps de cette ann\u00e9e.       <\/p>\n<p>OpenTitan est une plateforme pour cr\u00e9er des composants mat\u00e9riels dignes de confiance (RoT, Root of Trust), utilis\u00e9s l\u00e0 o\u00f9 il est n\u00e9cessaire de garantir l'int\u00e9grit\u00e9 des \u00e9l\u00e9ments mat\u00e9riels et logiciels du syst\u00e8me. Par exemple, pour s'assurer que les parties critiques du syst\u00e8me n'ont pas \u00e9t\u00e9 falsifi\u00e9es et reposent sur du code v\u00e9rifi\u00e9 et autoris\u00e9 par le fabricant. Le projet offre une architecture pr\u00eate, v\u00e9rifi\u00e9e et fiable, permettant d'accro\u00eetre la confiance dans les solutions cr\u00e9\u00e9es et de r\u00e9duire les co\u00fbts lors du d\u00e9veloppement de puces sp\u00e9cialis\u00e9es pour la s\u00e9curit\u00e9.    <\/p>\n<p>Les puces bas\u00e9es sur OpenTitan peuvent \u00eatre utilis\u00e9es dans des cartes m\u00e8res de serveur, des cartes r\u00e9seau, des dispositifs de consommation, des routeurs et des appareils IoT pour la v\u00e9rification des firmwares et des composants charg\u00e9s, pour la g\u00e9n\u00e9ration d'identifiants syst\u00e8me cryptographiquement uniques (protection contre la substitution de mat\u00e9riel), pour la fourniture de services li\u00e9s \u00e0 la s\u00e9curit\u00e9, pour la protection des cl\u00e9s cryptographiques (isolement des cl\u00e9s en cas d'acc\u00e8s physique par des intrus) et pour tenir un journal d'audit isol\u00e9 qui ne peut pas \u00eatre modifi\u00e9 ou supprim\u00e9.       <\/p>\n<p>OpenTitan inclut des blocs logiques demand\u00e9s dans les puces RoT, tels qu'un microprocesseur ouvert bas\u00e9 sur l'architecture RISC-V (RV32IMCB Ibex), des coprocesseurs cryptographiques, un g\u00e9n\u00e9rateur de nombres al\u00e9atoires mat\u00e9riel, un gestionnaire de cl\u00e9s prenant en charge DICE, un m\u00e9canisme de stockage s\u00e9curis\u00e9 des donn\u00e9es en m\u00e9moire permanente et en RAM, des technologies de protection, des blocs d'entr\u00e9e\/sortie et des composants de d\u00e9marrage s\u00e9curis\u00e9. L'appareil fournit \u00e9galement des blocs avec la mise en \u0153uvre d'algorithmes de chiffrement standard tels que AES et HMAC-SHA256, et un acc\u00e9l\u00e9rateur d'op\u00e9rations math\u00e9matiques utilis\u00e9es dans les algorithmes pour les signatures num\u00e9riques bas\u00e9es sur des cl\u00e9s publiques.       <center><img decoding=\"async\" alt=\"La production de puces bas\u00e9es sur la plateforme ouverte OpenTitan a commenc\u00e9\" src=\"\/wp-content\/uploads\/2025\/02\/e2f67c382879a0df1e80da2ab365db14.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>Le projet a \u00e9t\u00e9 fond\u00e9 par Google, mais a \u00e9t\u00e9 transf\u00e9r\u00e9 \u00e0 l'organisation \u00e0 but non lucratif lowRISC, apr\u00e8s quoi des entreprises telles que Western Digital, Seagate, Nuvoton Technology, Winbond, Rivos, zeroRISC et G+D Mobile Security ont rejoint son d\u00e9veloppement. Le code et les sp\u00e9cifications des composants mat\u00e9riels associ\u00e9s au projet ont \u00e9t\u00e9 publi\u00e9s sous la licence Apache 2.0. Les technologies utilis\u00e9es dans OpenTitan reposent sur celles d\u00e9j\u00e0 employ\u00e9es dans les cl\u00e9s USB cryptographiques Google Titan et les puces TPM pour assurer un d\u00e9marrage v\u00e9rifi\u00e9, install\u00e9es sur <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-gdansk\/\"   title=\"serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4553\">serveurs<\/a> l'infrastructure de Google, ainsi que sur des appareils Chromebook et Pixel.     <\/p>\n<p>Contrairement aux impl\u00e9mentations existantes du Root of Trust, OpenTitan \u00e9volue selon le concept de \u00ab s\u00e9curit\u00e9 par la transparence \u00bb, ce qui implique la disponibilit\u00e9 du code et des sch\u00e9mas, ainsi qu'un processus de d\u00e9veloppement enti\u00e8rement ouvert, ind\u00e9pendant des fournisseurs et des fabricants de puces sp\u00e9cifiques. OpenTitan est devenue la premi\u00e8re impl\u00e9mentation ouverte du Root of Trust commercialis\u00e9e, avec un support pour un m\u00e9canisme de d\u00e9marrage s\u00e9curis\u00e9 post-quantique bas\u00e9 sur l'utilisation de l'algorithme de signature num\u00e9rique SLH-DSA (Sphincs+), r\u00e9sistant \u00e0 la cryptanalyse par des ordinateurs quantiques.              <center><img decoding=\"async\" alt=\"La production de puces bas\u00e9es sur la plateforme ouverte OpenTitan a commenc\u00e9\" src=\"\/wp-content\/uploads\/2025\/02\/aa554633b3152c6557bb979fe7967300.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62683\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043b\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u0447\u0438\u043f\u0430, \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0431\u0430\u0437\u0435 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b OpenTitan. \u0427\u0438\u043f \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Nuvoton \u0438 \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u043a\u0430\u043a \u043f\u0435\u0440\u0432\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f OpenTitan, \u0433\u043e\u0442\u043e\u0432\u0430\u044f \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u0430 \u043f\u0440\u043e\u0431\u043d\u0430\u044f \u043f\u0430\u0440\u0442\u0438\u044f, \u0430 \u0437\u0430\u043f\u0443\u0441\u043a \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 \u0432\u0435\u0441\u043d\u0443 \u044d\u0442\u043e\u0433\u043e \u0433\u043e\u0434\u0430. OpenTitan \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":121748,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121747","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043b\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 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