{"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\/ro\/blog\/administrirovanie\/intel-gpu-sgx-hranite-svoi-dannye-na-videokarte-s-garantiej","title":{"rendered":"Intel GPU SGX \u2014 stoca\u021bi datele pe placa grafic\u0103. Cu garan\u021bie","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Intel
\nPlaca grafic\u0103 Intel Xe cu suport pentru GPU SGX<\/i><\/p>\n

\u00cenc\u0103 de la anun\u021bul c\u0103 Intel va dezvolta placa sa grafic\u0103 discret\u0103, \u00eentreaga omenire progresist\u0103 a a\u0219teptat c\u00e2nd planurile vor \u00eencepe s\u0103 se transforme \u00een ceva concret. Detaliile tehnice sunt \u00eenc\u0103 pu\u021bine, dar ast\u0103zi putem comunica ceva specific \u0219i important. S-a aflat c\u0103 viitoarea plac\u0103 grafic\u0103 Intel va suporta o tehnologie similar\u0103 cu Intel SGX<\/a><\/noindex>, pentru stocarea super sigur\u0103 a con\u021binutului extrem de important \u2014 se nume\u0219te GPU SGX.
\n<\/a><\/noindex>
\nDespre tehnologia Intel Software Guard Extensions am men\u021bionat recent \u00een leg\u0103tur\u0103 cu lansarea Intel SGX Card<\/a><\/noindex>. Extensiile Intel SGX sunt un set de instruc\u021biuni CPU care permit aplica\u021biilor s\u0103 creeze enclave, zone securizate \u00een spa\u021biul de adresare al aplica\u021biei, asigur\u00e2nd confiden\u021bialitatea \u0219i integritatea chiar \u0219i \u00een fa\u021ba unor malware-uri cu privilegii ridicate. <\/p>\n

Dar trebuie s\u0103 protej\u0103m nu doar codul \u00een execu\u021bie, ci \u0219i datele utilizatorilor. Legiuni de infractori viseaz\u0103 zi \u0219i noapte s\u0103 fure fotografiile tale, pentru a le \u0219terge sau cripta ulterior. Cum s\u0103 nu r\u0103m\u00e2i f\u0103r\u0103 cele mai importante amintiri? Aici poate interveni \u0219i Intel SGX, \u00een forma sa GPU SGX. \u00cen acest caz, aceasta func\u021bioneaz\u0103 astfel.<\/p>\n

\"Intel
\n
\nRolul cheie \u00een aceast\u0103 tehnologie, a\u0219a cum sugereaz\u0103 numele, \u00eel joac\u0103 procesorul grafic. \u201eCe leg\u0103tur\u0103 are placa grafic\u0103 cu stocarea datelor?\u201d \u2014 probabil vei \u00eentreba. Problema este c\u0103, de\u0219i respect\u0103m Intel SGX, num\u0103rul procesorilor care suport\u0103 aceast\u0103 tehnologie este cu mult mai mic dec\u00e2t al celor care nu o suport\u0103. Prin urmare, a fost luat\u0103 decizia de a muta execu\u021bia codului dependent de SGX pe GPU, similar cu ceea ce s-a realizat la deja men\u021bionata Intel SGX Card. Placa grafic\u0103 are \u0219i un alt avantaj: designul s\u0103u permite stocarea unei cantit\u0103\u021bi suficiente de memorie flash, care poate fi utilizat\u0103 ca depozit protejat local.<\/p>\n

Principiul de func\u021bionare al GPU SGX este urm\u0103torul. Fotografii cu c\u00e2inele dumneavoastr\u0103 favorit, precum \u0219i alte date extrem de importante, sunt stocate pe memoria local\u0103 a pl\u0103cii grafice cu ajutorul unui software special Intel. Protec\u021bia Intel SGX func\u021bioneaz\u0103 la nivelul driverului sistemului de fi\u0219iere. Apoi, acela\u0219i software special sincronizeaz\u0103 con\u021binutul stoc\u0103rii cu un serviciu de cloud \u00eentr-unul dintre modurile alese de utilizator. Spre deosebire de alte servicii de cloud, clientul Intel nu poate fi compromis, deoarece acesta plaseaz\u0103 zonele sensibile de cod \u00een enclave SGX. Astfel, datele dumneavoastr\u0103 beneficiaz\u0103 de mai multe niveluri de protec\u021bie \u00eempotriva furtului \u0219i distrugerii.<\/p>\n

Ce se va \u00eent\u00e2mpla dac\u0103 software-ul Intel din diverse motive va \u00eenceta s\u0103 func\u021bioneze, iar datele vor fi practic blocate \u00een stocarea lor? Intel inten\u021bioneaz\u0103 s\u0103 \u00eemp\u0103rt\u0103\u0219easc\u0103 tehnologia sa cu ter\u021be companii, pe baza unei certific\u0103ri \u0219i control riguros. A\u0219adar, va exista o alternativ\u0103. Totu\u0219i, sistemul \u00een sine nu va ap\u0103rea pe pia\u021b\u0103 mai devreme de lansarea pl\u0103cilor grafice \u2014 termenul r\u0103m\u00e2ne neclar. Dar vom a\u0219tepta.
\n
Sursa: 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 p\u0103stra\u021bi datele dumneavoastr\u0103 pe plac\u0103 grafic\u0103. 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