{"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\/cs\/blog\/administrirovanie\/intel-gpu-sgx-hranite-svoi-dannye-na-videokarte-s-garantiej","title":{"rendered":"Intel GPU SGX \u2014 ukl\u00e1dejte sv\u00e1 data na grafick\u00e9 kart\u011b. S garanc\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Intel
\nGrafick\u00e1 karta Intel Xe s podporou GPU SGX<\/i><\/p>\n

Od okam\u017eiku, kdy bylo ozn\u00e1meno, \u017ee Intel vyvine svou vlastn\u00ed diskr\u00e9tn\u00ed grafickou kartu, o\u010dek\u00e1v\u00e1 cel\u00e9 progresivn\u00ed lidstvo, kdy se pl\u00e1ny za\u010dnou p\u0159etv\u00e1\u0159et v n\u011bco hmatateln\u00e9ho. Technick\u00fdch detail\u016f zat\u00edm v\u00edme m\u00e1lo, ale dnes m\u016f\u017eeme sd\u011blit p\u00e1r konkr\u00e9tn\u00edch a d\u016fle\u017eit\u00fdch informac\u00ed. Bylo ozn\u00e1meno, \u017ee budouc\u00ed grafick\u00e1 karta Intel bude podporovat technologii obdobnou Intel SGX<\/a><\/noindex>, pro super bezpe\u010dn\u00e9 ukl\u00e1d\u00e1n\u00ed obzvl\u00e1\u0161\u0165 d\u016fle\u017eit\u00e9ho obsahu \u2014 naz\u00fdv\u00e1 se GPU SGX.
\n<\/a><\/noindex>
\nO technologii Intel Software Guard Extensions jsme se zmi\u0148ovali ned\u00e1vno v souvislosti s vyd\u00e1n\u00edm Intel SGX Card<\/a><\/noindex>. Roz\u0161\u00ed\u0159en\u00ed Intel SGX je soubor instrukc\u00ed CPU, kter\u00e9 umo\u017e\u0148uj\u00ed aplikac\u00edm vytv\u00e1\u0159et enclavy, chr\u00e1n\u011bn\u00e9 oblasti v adresn\u00edm prostoru aplikace, kter\u00e9 zaji\u0161\u0165uj\u00ed d\u016fv\u011brnost a integritu i p\u0159i p\u0159\u00edtomnosti \u0161kodliv\u00e9ho softwaru s privilegovan\u00fdmi pr\u00e1vy. <\/p>\n

Ale chr\u00e1nit je t\u0159eba nejen vykon\u00e1van\u00fd k\u00f3d, ale tak\u00e9 u\u017eivatelsk\u00e1 data. Legie \u00fato\u010dn\u00edk\u016f ve dne v noci sn\u00ed o tom, jak ukr\u00e1st va\u0161e fotografie, a pak je smazat nebo za\u0161ifrovat. Jak se nenechat ochudit o ty nejd\u016fle\u017eit\u011bj\u0161\u00ed vzpom\u00ednky? Tak\u00e9 zde m\u016f\u017ee pomoci Intel SGX ve sv\u00e9 variant\u011b GPU SGX. V tomto p\u0159\u00edpad\u011b funguje n\u00e1sleduj\u00edc\u00edm zp\u016fsobem.<\/p>\n

\"Intel
\n
\nKl\u00ed\u010dovou roli v t\u00e9to technologii, jak u\u017e n\u00e1zev napov\u00edd\u00e1, hraje grafick\u00fd procesor. \u201eJak\u00fd m\u00e1 videokarta souvislost s ukl\u00e1d\u00e1n\u00edm dat?\u201c \u2014 asi se pt\u00e1te. Odpov\u011bd\u00ed je, \u017ee navzdory ve\u0161ker\u00e9 \u00fact\u011b k Intel SGX je procesor\u016f, kter\u00e9 tuto technologii podporuj\u00ed, mnohem m\u00e9n\u011b, ne\u017e t\u011bch, kter\u00e9 ji nepodporuj\u00ed. Proto bylo rozhodnuto p\u0159esunout prov\u00e1d\u011bn\u00ed k\u00f3du z\u00e1visl\u00e9ho na SGX na GPU, obdobn\u011b jako je to ud\u011bl\u00e1no v ji\u017e zm\u00edn\u011bn\u00e9 Intel SGX Card. Grafick\u00e1 karta m\u00e1 tak\u00e9 dal\u0161\u00ed v\u00fdhodu: jej\u00ed konstrukce umo\u017e\u0148uje um\u00edstit na ni dostate\u010dn\u011b velk\u00fd objem flash pam\u011bti, kterou lze pou\u017e\u00edt jako lok\u00e1ln\u00ed chr\u00e1n\u011bn\u00e9 \u00falo\u017ei\u0161t\u011b.<\/p>\n

Princip \u010dinnosti GPU SGX je n\u00e1sleduj\u00edc\u00ed. Fotografie va\u0161\u00ed obl\u00edben\u00e9 ps\u00edka a dal\u0161\u00ed zvl\u00e1\u0161\u0165 d\u016fle\u017eit\u00e1 data jsou ulo\u017eena na m\u00edstn\u00edm \u00falo\u017ei\u0161ti grafick\u00e9 karty pomoc\u00ed speci\u00e1ln\u00edho softwaru Intel. Ochrana Intel SGX funguje na \u00farovni ovlada\u010de souborov\u00e9ho syst\u00e9mu. Pot\u00e9 tento speci\u00e1ln\u00ed software synchronizuje obsah \u00falo\u017ei\u0161t\u011b s cloudovou slu\u017ebou v jednom z re\u017eim\u016f zvolen\u00fdch u\u017eivateli. Na rozd\u00edl od jin\u00fdch cloudov\u00fdch slu\u017eeb nem\u016f\u017ee b\u00fdt klient Intel kompromitov\u00e1n, proto\u017ee um\u00eds\u0165uje citliv\u00e9 oblasti k\u00f3du do enclaves SGX. Tak\u017ee va\u0161e data maj\u00ed n\u011bkolik \u00farovn\u00ed ochrany p\u0159ed kr\u00e1de\u017e\u00ed a zni\u010den\u00edm.<\/p>\n

A co se stane, pokud software Intel z n\u011bjak\u00e9ho d\u016fvodu p\u0159estane fungovat a data z\u016fstanou doslova uzam\u010dena ve sv\u00e9m \u00falo\u017ei\u0161ti? Intel pl\u00e1nuje sd\u00edlet svou technologii s t\u0159et\u00edmi spole\u010dnostmi na z\u00e1klad\u011b p\u0159\u00edsn\u00e9 certifikace a kontroly. Tak\u017ee alternativa bude. Samotn\u00fd syst\u00e9m se v\u0161ak na trhu objev\u00ed nejd\u0159\u00edve po uveden\u00ed samotn\u00fdch grafick\u00fdch karet \u2014 term\u00edny jsou zat\u00edm nejasn\u00e9. Ale my budeme \u010dekat.
\n
Zdroj: 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 ulo\u017ete sv\u00e1 data na grafickou kartu. 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