{"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\/pl\/blog\/administrirovanie\/intel-gpu-sgx-hranite-svoi-dannye-na-videokarte-s-garantiej","title":{"rendered":"Intel GPU SGX \u2014 przechowuj swoje dane na karcie graficznej. Z gwarancj\u0105","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Intel
\nKarta graficzna Intel Xe z obs\u0142ug\u0105 GPU SGX<\/i><\/p>\n

Od momentu og\u0142oszenia, \u017ce Intel rozpocznie prace nad swoj\u0105 dedykowan\u0105 kart\u0105 graficzn\u0105, ca\u0142y post\u0119powy \u015bwiat czeka na to, kiedy plany przekszta\u0142c\u0105 si\u0119 w co\u015b namacalnego. Na razie wiadomo niewiele szczeg\u00f3\u0142\u00f3w technicznych, jednak dzisiaj mo\u017cemy przekaza\u0107 pewne konkretne i istotne informacje. Sta\u0142o si\u0119 jasne, \u017ce przysz\u0142a karta graficzna Intel b\u0119dzie wspiera\u0107 technologi\u0119 podobn\u0105 do Intel SGX<\/a><\/noindex>, kt\u00f3ra zapewnia superbezpieczne przechowywanie wyj\u0105tkowo wa\u017cnych tre\u015bci \u2014 nazywa si\u0119 to GPU SGX.
\n<\/a><\/noindex>
\nTechnologi\u0119 Intel Software Guard Extensions wspomnieli\u015bmy niedawno w zwi\u0105zku z premier\u0105 karty Intel SGX<\/a><\/noindex>. Rozszerzenia Intel SGX to zestaw instrukcji CPU, kt\u00f3re umo\u017cliwiaj\u0105 aplikacjom tworzenie enclave, zabezpieczonych obszar\u00f3w w przestrzeni adresowej aplikacji, zapewniaj\u0105cych prywatno\u015b\u0107 i integralno\u015b\u0107 nawet w obecno\u015bci z\u0142o\u015bliwego oprogramowania z uprawnieniami wysokiego poziomu. <\/p>\n

Nale\u017cy jednak chroni\u0107 nie tylko wykonywany kod, ale tak\u017ce dane u\u017cytkownik\u00f3w. Legiony cyberprzest\u0119pc\u00f3w marz\u0105 o tym, jakby skra\u015b\u0107 twoje zdj\u0119cia, a nast\u0119pnie je usun\u0105\u0107 lub zaszyfrowa\u0107. Jak nie straci\u0107 najwa\u017cniejszych wspomnie\u0144? Tutaj r\u00f3wnie\u017c mo\u017ce pom\u00f3c Intel SGX, w swojej wersji GPU SGX. W tym przypadku dzia\u0142a to w nast\u0119puj\u0105cy spos\u00f3b.<\/p>\n

\"Intel
\n
\nKluczow\u0105 rol\u0119 w tej technologii, jak wskazuje nazwa, odgrywa procesor graficzny. \u201eCo ma wsp\u00f3lnego karta graficzna z przechowywaniem danych?\u201d \u2014 zapytasz pewnie. Ot\u00f3\u017c przy ca\u0142ym szacunku dla Intel SGX, procesor\u00f3w wspieraj\u0105cych t\u0119 technologi\u0119 jest znacznie mniej ni\u017c tych, kt\u00f3re jej nie obs\u0142uguj\u0105. Dlatego podj\u0119to decyzj\u0119 o przeniesieniu wykonania kodu zale\u017cnego od SGX na GPU, w analogii do tego, jak zrobiono to w ju\u017c wspomnianej karcie Intel SGX. Karta graficzna ma r\u00f3wnie\u017c jeszcze jedn\u0105 zalet\u0119: jej konstrukcja pozwala umie\u015bci\u0107 na niej wystarczaj\u0105co du\u017c\u0105 ilo\u015b\u0107 pami\u0119ci flash, kt\u00f3r\u0105 mo\u017cna wykorzysta\u0107 jako lokalne, zabezpieczone miejsce przechowywania.<\/p>\n

Dzia\u0142anie GPU SGX polega na tym, \u017ce zdj\u0119cia ulubionego psa oraz inne szczeg\u00f3lnie wa\u017cne dane s\u0105 przechowywane na lokalnej pami\u0119ci karty graficznej za pomoc\u0105 specjalnego oprogramowania Intel. Ochrona Intel SGX dzia\u0142a na poziomie sterownika systemu plik\u00f3w. Nast\u0119pnie to specjalne oprogramowanie synchronizuje zawarto\u015b\u0107 pami\u0119ci z us\u0142ug\u0105 chmurow\u0105 w jednym z wybranych przez u\u017cytkownika tryb\u00f3w. W przeciwie\u0144stwie do innych us\u0142ug chmurowych, klient Intel nie mo\u017ce zosta\u0107 skompromitowany, poniewa\u017c umieszcza wra\u017cliwe obszary kodu w enclave\u2019ach SGX. W ten spos\u00f3b twoje dane zyskuj\u0105 kilka warstw ochrony przed kradzie\u017c\u0105 i zniszczeniem.<\/p>\n

Co si\u0119 stanie, je\u015bli oprogramowanie Intel z jakiego\u015b powodu przestanie dzia\u0142a\u0107 i dane zostan\u0105 dos\u0142ownie zamkni\u0119te w swojej pami\u0119ci? Intel planuje udost\u0119pni\u0107 swoj\u0105 technologi\u0119 innym firmom na podstawie rygorystycznej certyfikacji i nadzoru. Tak wi\u0119c alternatywa b\u0119dzie. Sam system na rynku pojawi si\u0119 nie wcze\u015bniej ni\u017c karty graficzne \u2014 terminy s\u0105 na razie niejasne. Ale b\u0119dziemy czeka\u0107.
\n
\u0179r\u00f3d\u0142o: 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\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 przechowuj swoje dane na karcie graficznej. 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