{"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\/nl\/blog\/news\/google-otkryl-sistemu-dlya-analiza-naborov-dannyh-bez-narusheniya-konfedentsialnosti","title":{"rendered":"Google heeft een systeem geopend voor het analyseren van datasets zonder de vertrouwelijkheid in gevaar te brengen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Google <noindex><a rel=\"nofollow\" href=\"https:\/\/security.googleblog.com\/2019\/06\/helping-organizations-do-more-without-collecting-more-data.html\">heeft ge\u00efntroduceerd<\/a><\/noindex> cryptografisch protocol voor vertrouwelijke multi-partijcalculatie <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Google\/private-join-and-compute\">Private Join and Compute<\/a><\/noindex>, dat de analyse en berekeningen op versleutelde datasets van meerdere deelnemers mogelijk maakt, terwijl de vertrouwelijkheid van de gegevens van elke deelnemer behouden blijft (geen enkele deelnemer kan informatie over de gegevens van andere deelnemers verkrijgen, maar kan wel aggregatieve berekeningen uitvoeren zonder decryptie). Code voor de implementatie van het protocol <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Google\/private-join-and-compute\">is er onbeperkt en gratis toegang geopend tot de yum-repository met binaire pakketupdates met bugfixes (errata) en beveiligingsproblemen.<\/a><\/noindex> onder de Apache 2.0-licentie.<\/p>\n<p> Private Join and Compute stelt in staat om een priv\u00e9 verzameling records naar een derde partij te verzenden, die deze kan analyseren en op geaggregeerde wijze de verschillen met zijn eigen verzameling kan evalueren, maar niet in staat is om de waarden van specifieke records te leren. Bijvoorbeeld, het is mogelijk om in een versleutelde dataset bepaalde gegevens te verkrijgen, zoals het aantal overeenkomende identificatoren met zijn eigen verzameling en de som van waarden van records met overeenkomende identificatoren. Het is echter niet mogelijk om te weten welke specifieke waarden en identificatoren in de verzameling aanwezig zijn.<\/p>\n<p>Het Private Join and Compute-protocol, ook wel Private Intersection-Sum genoemd,  <noindex><a rel=\"nofollow\" href=\"https:\/\/eprint.iacr.org\/2019\/723\">opgericht<\/a><\/noindex> op basis van de combinatie van het protocol <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\">random oblivious transfer<\/a><\/noindex> (Random Oblivious Transfer), versleuteld <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\">Bloom-filters<\/a><\/noindex> en dubbele masking <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 Hellman<\/a><\/noindex>.<\/p>\n<p>Het voorgestelde systeem kan nuttig blijken te zijn wanneer bijvoorbeeld een medische instelling informatie heeft over de gezondheidstoestand van pati\u00ebnten, terwijl een andere instelling informatie heeft over de toekenning van een nieuw preventief geneesmiddel. Het protocol \u2018Private Join and Compute\u2019 maakt het mogelijk om versleutelde datasets te combineren zonder informatie prijs te geven en om algemene statistieken te genereren die inzicht geven in de vraag of het voorgeschreven geneesmiddel de ziektelast vermindert of niet. Een ander voorbeeld is het gebruik van gegevens uit de ongevallenregistraties van de verkeerspolitie en de database van geavanceerde veiligheidsvoorzieningen in voertuigen, waarmee kan worden ge\u00ebvalueerd of de introductie van deze voorzieningen invloed heeft op het aantal ongevallen.<\/p>\n<p>Een ander voorbeeld is wanneer op basis van de werknemersdatabase van \u00e9\u00e9n bedrijf en gegevens over aankopen van een ander bedrijf kan worden berekend hoeveel werknemers van het eerste bedrijf aankopen hebben gedaan bij het tweede en voor welk bedrag. In de context van advertentienetwerken kunnen dergelijke berekeningen worden uitgevoerd om de effectiviteit van advertentiecampagnes te evalueren, met gebruik van lijsten van gebruikers aan wie advertenties zijn getoond (of die op de link hebben geklikt) en die aankopen in de webwinkel hebben gedaan.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <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 5.0.3 - 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 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b.\" \/>\n\t<meta name=\"robots\" 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