{"id":35504,"date":"2019-10-31T22:04:42","date_gmt":"2019-10-31T19:04:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/google-otkryl-sistemu-dlya-analiza-naborov-dannyh-bez-narusheniya-konfedentsialnosti\/"},"modified":"2019-10-31T22:04:42","modified_gmt":"2019-10-31T19:04:42","slug":"google-otkryl-sistemu-dlya-analiza-naborov-dannyh-bez-narusheniya-konfedentsialnosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/google-otkryl-sistemu-dlya-analiza-naborov-dannyh-bez-narusheniya-konfedentsialnosti","title":{"rendered":"Google uruchomi\u0142 system do analizy zestaw\u00f3w danych bez naruszania poufno\u015bci","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Google <noindex><a rel=\"nofollow\" href=\"https:\/\/security.googleblog.com\/2019\/06\/helping-organizations-do-more-without-collecting-more-data.html\">przedstawi\u0142a<\/a><\/noindex> protoko\u0142 kryptograficzny poufnego obliczenia wielostronnego <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Google\/private-join-and-compute\">Prywatne \u0141\u0105czenie i Obliczenia<\/a><\/noindex>, pozwalaj\u0105cy na analiz\u0119 i obliczenia nad zaszyfrowanymi zbiorami danych od kilku uczestnik\u00f3w, zachowuj\u0105c poufno\u015b\u0107 danych ka\u017cdego z uczestnik\u00f3w (ka\u017cdy uczestnik nie ma mo\u017cliwo\u015bci uzyskania informacji o danych innych uczestnik\u00f3w, ale mo\u017ce przeprowadza\u0107 na nich uog\u00f3lnione obliczenia bez deszyfrowania). Kod implementacji protoko\u0142u <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Google\/private-join-and-compute\">otwarty<\/a><\/noindex> na licencji Apache 2.0.<\/p>\n<p> Prywatne \u0141\u0105czenie i Obliczenia pozwala na przekazanie prywatnego zbioru zapis\u00f3w osobie trzeciej, kt\u00f3ra b\u0119dzie mog\u0142a przeprowadzi\u0107 jego analiz\u0119 i w uog\u00f3lnionej formie oceni\u0107 r\u00f3\u017cnice ze swoim zestawem, ale nie ma mo\u017cliwo\u015bci poznania warto\u015bci konkretnych zapis\u00f3w. Na przyk\u0142ad, w zaszyfrowanym zbiorze danych mo\u017cna uzyska\u0107 informacje, takie jak liczba identyfikator\u00f3w \u0441\u043e\u0432\u043f\u0430\u0434\u0430\u044e\u0449\u0438\u0445 ze swoim zestawem oraz sumy warto\u015bci zapis\u00f3w z \u0441\u043e\u0432\u043f\u0430\u0434\u0430\u044e\u0449\u0438\u0445 identyfikatorami. Przy tym niemo\u017cliwe jest ustalenie, jakie dok\u0142adnie warto\u015bci i identyfikatory znajduj\u0105 si\u0119 w zbiorze.<\/p>\n<p>Protok\u00f3\u0142 Prywatnego \u0141\u0105czenia i Oblicze\u0144, znany r\u00f3wnie\u017c jako Suma Prywatnych Przeci\u0119\u0107,  <noindex><a rel=\"nofollow\" href=\"https:\/\/eprint.iacr.org\/2019\/723\">za\u0142o\u017cony<\/a><\/noindex> na kombinacji protoko\u0142u <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%97%D0%B0%D0%B1%D1%8B%D0%B2%D1%87%D0%B8%D0%B2%D0%B0%D1%8F_%D0%BF%D0%B5%D1%80%D0%B5%D0%B4%D0%B0%D1%87%D0%B0\">losowego zapomnienia transferu<\/a><\/noindex> (Random Oblivious Transfer), zaszyfrowanych <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A4%D0%B8%D0%BB%D1%8C%D1%82%D1%80_%D0%91%D0%BB%D1%83%D0%BC%D0%B0\">filtr\u00f3w Blooma<\/a><\/noindex> oraz podw\u00f3jnej maskowanie <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BB%D0%B3%D0%BE%D1%80%D0%B8%D1%82%D0%BC_%D0%9F%D0%BE%D0%BB%D0%B8%D0%B3%D0%B0_%E2%80%94_%D0%A5%D0%B5%D0%BB%D0%BB%D0%BC%D0%B0%D0%BD%D0%B0\">Poliga \u2014 Hellmana<\/a><\/noindex>.<\/p>\n<p>Proponowany system mo\u017ce okaza\u0107 si\u0119 przydatny, na przyk\u0142ad, gdy jedna plac\u00f3wka medyczna dysponuje danymi o stanie zdrowia pacjent\u00f3w, a inna o przyznaniu nowego leku profilaktycznego. Protok\u00f3\u0142 \u201ePrivate Join and Compute\u201d pozwala na po\u0142\u0105czenie zaszyfrowanych zbior\u00f3w danych i wygenerowanie og\u00f3lnych statystyk bez ujawniania informacji, co umo\u017cliwia zrozumienie, czy przypisany lek zmniejsza zachorowalno\u015b\u0107, czy nie. Kolejny przyk\u0142ad mo\u017ce dotyczy\u0107 analizy danych z bazy wypadk\u00f3w drogowych i bazy zastosowania ulepszonych \u015brodk\u00f3w bezpiecze\u0144stwa w samochodach, co pozwoli oceni\u0107, czy wprowadzenie tych \u015brodk\u00f3w ma wp\u0142yw na liczb\u0119 wypadk\u00f3w.<\/p>\n<p>Inny przyk\u0142ad, gdy na podstawie bazy pracownik\u00f3w jednej firmy oraz danych o zakupach drugiej mo\u017cna obliczy\u0107, ilu pracownik\u00f3w z pierwszej firmy dokona\u0142o zakup\u00f3w w drugiej oraz na jak\u0105 kwot\u0119. W kontek\u015bcie sieci reklamowych mo\u017cna przeprowadza\u0107 podobne obliczenia w celu oceny efektywno\u015bci kampanii reklamowych, operuj\u0105c listami u\u017cytkownik\u00f3w, kt\u00f3rym wy\u015bwietlono reklam\u0119 (lub kt\u00f3rzy klikn\u0119li w link) oraz kt\u00f3rzy dokonali zakup\u00f3w w sklepie internetowym.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50915\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043c\u043d\u043e\u0433\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0435\u0433\u043e \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f Private Join and Compute, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u044c \u0430\u043d\u0430\u043b\u0438\u0437 \u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u043d\u0430\u0434 \u0437\u0430\u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c\u0438 \u043d\u0430\u0431\u043e\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u043e\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u043e\u0432, \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044f \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0445 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0430 (\u043a\u0430\u0436\u0434\u044b\u0439 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a \u043d\u0435 \u0438\u043c\u0435\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u0440\u0443\u0433\u0438\u0445 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u043e\u0432, \u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u044c \u043d\u0430\u0434 \u043d\u0438\u043c\u0438 \u043e\u0431\u043e\u0431\u0449\u0451\u043d\u043d\u044b\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u0431\u0435\u0437 \u0440\u0430\u0441\u0448\u0438\u0444\u0440\u043e\u0432\u043a\u0438). \u041a\u043e\u0434 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u043e\u0442\u043a\u0440\u044b\u0442 \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35504","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 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