{"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\/hr\/blog\/administrirovanie\/intel-gpu-sgx-hranite-svoi-dannye-na-videokarte-s-garantiej","title":{"rendered":"Intel GPU SGX \u2013 \u010duvajte svoje podatke na grafi\u010dkoj kartici. Uz garanciju","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Intel
\nGrafi\u010dka kartica Intel Xe s podr\u0161kom za GPU SGX<\/i><\/p>\n

Od samog trenutka kada je najavljeno da \u0107e Intel razvijati svoju diskretnu grafi\u010dku kartu, cijela progresivna zajednica i\u0161\u010dekuje kada \u0107e se planovi po\u010deti transformirati u ne\u0161to materijalno. Tehni\u010dkih detalja zasad nije mnogo, no danas mo\u017eemo objaviti ne\u0161to konkretno i, ujedno, va\u017eno. Postalo je poznato da \u0107e budu\u0107a grafi\u010dka karta Intel podr\u017eavati tehnologiju sli\u010dnu Intel SGX<\/a><\/noindex>, za supersigurno pohranjivanje posebno va\u017enog sadr\u017eaja \u2014 naziva se GPU SGX.
\n<\/a><\/noindex>
\nO tehnologiji Intel Software Guard Extensions govorili smo nedavno u vezi s izlaskom Intel SGX Card<\/a><\/noindex>. Ekstenzije Intel SGX su skup instrukcija procesora koje omogu\u0107uju aplikacijama stvaranje enklava, za\u0161ti\u0107enih podru\u010dja u adresnom prostoru aplikacije, osiguravaju\u0107i privatnost i integritet \u010dak i u prisutnosti zlonamjernih programa s privilegiranim pravima. <\/p>\n

No, potrebno je za\u0161tititi ne samo izvr\u0161ni kod, ve\u0107 i korisni\u010dke podatke. Legije zlonamjernika danju i no\u0107u sanjaju o otimanju va\u0161ih fotografija, a zatim o njihovom brisanju ili \u0161ifriranju. Kako ne ostati bez najva\u017enijih uspomena? Tu tako\u0111er mo\u017ee pomo\u0107i Intel SGX, u svojoj varijanti GPU SGX. U ovom slu\u010daju ona djeluje na sljede\u0107i na\u010din.<\/p>\n

\"Intel
\n
\nKlju\u010dnu ulogu u ovoj tehnologiji, kao \u0161to naziv sugerira, igra grafi\u010dki procesor. \"Kako je grafi\u010dka karta povezana s pohranom podataka?\" \u2014 vjerojatno \u0107ete pitati. \u010cinjenica je da, uprkos po\u0161tovanju prema Intel SGX, procesora koji podr\u017eavaju ovu tehnologiju ima znatno manje nego onih koji je ne podr\u017eavaju. Stoga je donesena odluka da se izvr\u0161avanje SGX-ovisnog koda preba\u010di na GPU, na sli\u010dan na\u010din kao \u0161to je to u\u010dinjeno u ve\u0107 spomenutoj Intel SGX Card. Grafi\u010dka kartica tako\u0111er ima jo\u0161 jednu prednost: njezina konstrukcija omogu\u0107ava smje\u0161taj dovoljnih koli\u010dina flash memorije, koja se mo\u017ee koristiti kao lokalno za\u0161ti\u0107eno skladi\u0161te.<\/p>\n

Na\u010delo rada GPU SGX je sljede\u0107e. Fotografije va\u0161eg omiljenog psa, kao i drugi posebno va\u017eni podaci, pohranjuju se na lokalnom skladi\u0161tu grafi\u010dke kartice pomo\u0107u posebnog Intel softvera. Za\u0161tita Intel SGX djeluje na razini datote\u010dnog sustava. Nakon toga, isti taj softver sinhronizira sadr\u017eaj skladi\u0161ta s oblakom u jednom od odabranih korisnikovih re\u017eima. Za razliku od drugih oblaka, Intel klijent ne mo\u017ee biti kompromitiran jer pohranjuje osjetljive dijelove koda u SGX enclave. Na taj na\u010din, va\u0161i podaci dobivaju vi\u0161estruke slojeve za\u0161tite od kra\u0111e i uni\u0161tavanja.<\/p>\n

\u0160to \u0107e se dogoditi ako Intel softver iz nekog razloga prestane raditi i podaci ostanu doslovno zaklju\u010dani u svom skladi\u0161tu? Intel planira podijeliti svoju tehnologiju s tre\u0107im tvrtkama na temelju stroge certifikacije i nadzora. Tako da \u0107e postojati alternativa. A sama sustav na tr\u017ei\u0161tu ne\u0107e se pojaviti prije nego \u0161to se grafi\u010dke kartice pojave \u2014 rokovi su zasad nejasni. No, mi \u0107emo \u010dekati.
\n
Izvor: 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 pohranite svoje podatke na grafi\u010dkoj kartici. 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