{"id":30697,"date":"2019-10-31T21:36:56","date_gmt":"2019-10-31T18:36:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/intel-gpu-sgx-hranite-svoi-dannye-na-videokarte-s-garantiej\/"},"modified":"2019-10-31T21:36:56","modified_gmt":"2019-10-31T18:36:56","slug":"intel-gpu-sgx-hranite-svoi-dannye-na-videokarte-s-garantiej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/intel-gpu-sgx-hranite-svoi-dannye-na-videokarte-s-garantiej","title":{"rendered":"Intel GPU SGX \u2014 beskyt dine data p\u00e5 grafikkortet. Med garanti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Intel
\nIntel Xe-grafikchip med GPU SGX-underst\u00f8ttelse<\/i><\/p>\n

Siden annonceringen af, at Intel vil udvikle sit eget diskrete grafikkort, har hele den progressive verden ventet p\u00e5, hvorn\u00e5r planerne vil begynde at forvandles til noget konkret. Der er stadig f\u00e5 tekniske detaljer kendt, men i dag kan vi rapportere om noget specifikt og vigtigt. Det er blevet kendt, at det fremtidige grafikkort fra Intel vil underst\u00f8tte en teknologi svarende til Intel SGX<\/a><\/noindex>, til super sikker opbevaring af f\u00f8lsomt indhold \u2014 den kaldes GPU SGX.
\n<\/a><\/noindex>
\nVi har for nylig n\u00e6vnt Intel Software Guard Extensions i forbindelse med udgivelsen af Intel SGX Card<\/a><\/noindex>. Intel SGX-udvidelserne er et s\u00e6t CPU-instruktioner, som giver applikationer mulighed for at oprette enclaves, beskyttede omr\u00e5der i applikationens adresseomr\u00e5de, der sikrer fortrolighed og integritet, selv i n\u00e6rv\u00e6r af skadelig software med privilegerede rettigheder. <\/p>\n

Men man skal ikke kun beskytte den k\u00f8rende kode, men ogs\u00e5 brugerdata. Legioner af kriminelle dr\u00f8mmer dag og nat om at stj\u00e6le dine fotos og derefter slette eller kryptere dem. Hvordan kan man bevare de vigtigste minder? Her kan Intel SGX med sin GPU SGX-variante ogs\u00e5 komme til hj\u00e6lp. I dette tilf\u00e6lde fungerer det p\u00e5 f\u00f8lgende m\u00e5de.<\/p>\n

\"Intel
\n
\nDen centrale rolle i denne teknologi, som navnet antyder, spilles af grafikprocessoren. \"Hvad har grafikkortet at g\u00f8re med opbevaring af data?\" \u2014 vil du m\u00e5ske sp\u00f8rge. Tingen er, at p\u00e5 trods af al respekt for Intel SGX er der mange f\u00e6rre processorer, der underst\u00f8tter denne teknologi, end dem, der ikke g\u00f8r. Derfor blev beslutningen truffet om at flytte udf\u00f8relsen af SGX-afh\u00e6ngig kode til GPU'en, ligesom det er gjort i det allerede n\u00e6vnte Intel SGX Card. Et grafikkort har ogs\u00e5 en anden fordel: dets konstruktion giver mulighed for at placere en tilstr\u00e6kkelig stor m\u00e6ngde flash-hukommelse, som kan bruge som et lokalt beskyttet lager.<\/p>\n

Principen for GPU SGX fungerer s\u00e5ledes. Billeder af din elskede hund samt andre s\u00e6rligt vigtige data placeres p\u00e5 det lokale lager p\u00e5 grafikkortet ved hj\u00e6lp af specialsoftware fra Intel. Beskyttelsen fra Intel SGX fungerer p\u00e5 niveauet for filsystemdriveren. Derefter synkroniserer den samme specialsoftware indholdet af lageret med en cloudtjeneste i en af de brugervalgte tilstande. I mods\u00e6tning til andre cloudtjenester kan Intel-klienten ikke kompromitteres, da den placerer f\u00f8lsomme kodeomr\u00e5der i SGX-enklaver. Dine data f\u00e5r dermed flere niveauer af beskyttelse mod tyveri og \u00f8del\u00e6ggelse.<\/p>\n

Hvad sker der, hvis Intel-software af en eller anden grund stopper med at fungere, og dataene bogstaveligt talt er fanget i deres lager? Intel planl\u00e6gger at dele sin teknologi med tredjeparts virksomheder baseret p\u00e5 strenge certificeringer og kontrol. S\u00e5 der vil v\u00e6re alternativer. Selve systemet vil dog ikke komme p\u00e5 markedet f\u00f8r grafikkortene er tilg\u00e6ngelige \u2014 tidsrammen er endnu usikker. Men vi vil vente.
\n
Kilde: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412\u0438\u0434\u0435\u043e\u043a\u0430\u0440\u0442\u0430 Intel Xe \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 GPU SGX \u0421 \u0441\u0430\u043c\u043e\u0433\u043e \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u043e \u0442\u043e\u043c, \u0447\u0442\u043e Intel \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0441\u0432\u043e\u044e \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u043d\u0443\u044e \u0432\u0438\u0434\u0435\u043e \u043a\u0430\u0440\u0442\u0443, \u0432\u0441\u0435 \u043f\u0440\u043e\u0433\u0440\u0435\u0441\u0441\u0438\u0432\u043d\u043e\u0435 \u0447\u0435\u043b\u043e\u0432\u0435\u0447\u0435\u0441\u0442\u0432\u043e \u043e\u0436\u0438\u0434\u0430\u0435\u0442, \u043a\u043e\u0433\u0434\u0430 \u043f\u043b\u0430\u043d\u044b \u043d\u0430\u0447\u043d\u0443\u0442 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0432\u043e \u0447\u0442\u043e-\u0442\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044c\u043d\u043e\u0435. \u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u043f\u043e\u043a\u0430 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043c\u0430\u043b\u043e, \u043e\u0434\u043d\u0430\u043a\u043e \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0441\u043e\u043e\u0431\u0449\u0438\u0442\u044c \u043a\u043e\u0435-\u0447\u0442\u043e \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0435 \u0438 \u043a \u0442\u043e\u043c\u0443 \u0436\u0435 \u0432\u0430\u0436\u043d\u043e\u0435. \u0421\u0442\u0430\u043b\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e, \u0447\u0442\u043e \u0431\u0443\u0434\u0443\u0449\u0430\u044f \u0432\u0438\u0434\u0435\u043e \u043a\u0430\u0440\u0442\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22683,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30697","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Intel GPU SGX \u2014 opbevar dine data p\u00e5 grafikkortet. 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