{"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\/cs\/blog\/news\/google-otkryl-sistemu-dlya-analiza-naborov-dannyh-bez-narusheniya-konfedentsialnosti","title":{"rendered":"Google otev\u0159el syst\u00e9m pro anal\u00fdzu datov\u00fdch sad bez poru\u0161en\u00ed d\u016fv\u011brnosti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Google p\u0159edstavila<\/a><\/noindex> kryptografick\u00fd protokol d\u016fv\u011brn\u00e9ho v\u00edcestrann\u00e9ho v\u00fdpo\u010dtu Private Join and Compute<\/a><\/noindex>, kter\u00fd umo\u017e\u0148uje anal\u00fdzu a v\u00fdpo\u010dty nad za\u0161ifrovan\u00fdmi datov\u00fdmi sadami od n\u011bkolika \u00fa\u010dastn\u00edk\u016f, p\u0159i\u010dem\u017e zachov\u00e1v\u00e1 d\u016fv\u011brnost \u00fadaj\u016f ka\u017ed\u00e9ho \u00fa\u010dastn\u00edka (ka\u017ed\u00fd \u00fa\u010dastn\u00edk nem\u00e1 mo\u017enost z\u00edskat informace o \u00fadaj\u00edch jin\u00fdch \u00fa\u010dastn\u00edk\u016f, ale m\u016f\u017ee prov\u00e1d\u011bt zjednodu\u0161en\u00e9 v\u00fdpo\u010dty bez de\u0161ifrov\u00e1n\u00ed). K\u00f3d implementace protokolu je otev\u0159en\u00fd<\/a><\/noindex> pod licenc\u00ed Apache 2.0.<\/p>\n

Private Join and Compute umo\u017e\u0148uje p\u0159edat soukromou sadu z\u00e1znam\u016f t\u0159et\u00ed stran\u011b, kter\u00e1 bude schopna prov\u00e9st jej\u00ed anal\u00fdzu a v obecn\u00e9m smyslu posoudit rozd\u00edly se svou sadou, ale nem\u00e1 mo\u017enost zjistit hodnoty konkr\u00e9tn\u00edch z\u00e1znam\u016f. Nap\u0159\u00edklad je mo\u017en\u00e9 v za\u0161ifrovan\u00e9 datov\u00e9 sad\u011b z\u00edskat informace, jako je po\u010det shoduj\u00edc\u00edch se identifik\u00e1tor\u016f a sou\u010dty hodnot z\u00e1znam\u016f s shoduj\u00edc\u00edmi se identifik\u00e1tory. P\u0159i\u010dem\u017e nen\u00ed mo\u017en\u00e9 zjistit, jak\u00e9 p\u0159esn\u011b hodnoty a identifik\u00e1tory se v sad\u011b nach\u00e1zej\u00ed.<\/p>\n

Protokol Private Join and Compute, tak\u00e9 naz\u00fdvan\u00fd jako Private Intersection-Sum, je zalo\u017eena<\/a><\/noindex> na kombinaci protokolu n\u00e1hodn\u00e9ho zapomn\u011btliv\u00e9ho p\u0159enosu<\/a><\/noindex> (Random Oblivious Transfer), za\u0161ifrovan\u00fdch filtr\u016f Bloop<\/a><\/noindex> a dvojit\u00e9mu maskov\u00e1n\u00ed Poliga \u2013 Hellmana<\/a><\/noindex>.<\/p>\n

Navrhovan\u00fd syst\u00e9m m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00fd nap\u0159\u00edklad v situac\u00edch, kdy jedna zdravotnick\u00e1 instituce m\u00e1 informace o zdravotn\u00edm stavu pacient\u016f a druh\u00e1 o p\u0159edepsan\u00e9m nov\u00e9m preventivn\u00edm l\u00e9ku. Protokol \u201ePrivate Join and Compute\u201c umo\u017e\u0148uje spojit za\u0161ifrovan\u00e9 datov\u00e9 soubory bez odhalov\u00e1n\u00ed informac\u00ed a z\u00edskat celkovou statistiku, kter\u00e1 uk\u00e1\u017ee, zda p\u0159edepsan\u00fd l\u00e9k sni\u017euje nemocnost, \u010di nikoli. Dal\u0161\u00edm p\u0159\u00edkladem m\u016f\u017ee b\u00fdt pou\u017eit\u00ed datab\u00e1ze nehod od dopravn\u00ed policie a datab\u00e1ze vyu\u017eit\u00ed vylep\u0161en\u00fdch bezpe\u010dnostn\u00edch prvk\u016f v automobilech, kter\u00e1 umo\u017e\u0148uje posoudit, zda m\u00e1 zaveden\u00ed t\u011bchto prvk\u016f vliv na po\u010det nehod.<\/p>\n

Dal\u0161\u00ed p\u0159\u00edklad, kdy na z\u00e1klad\u011b datab\u00e1ze zam\u011bstnanc\u016f jedn\u00e9 spole\u010dnosti a dat o n\u00e1kupech od jin\u00e9 lze vypo\u010d\u00edtat, kolik zam\u011bstnanc\u016f z prvn\u00ed spole\u010dnosti provedlo n\u00e1kupy u druh\u00e9 a v jak\u00e9 v\u00fd\u0161i. V kontextu reklamn\u00edch s\u00edt\u00ed lze prov\u00e1d\u011bt podobn\u00e9 v\u00fdpo\u010dty pro vyhodnocen\u00ed efektivity reklamn\u00edch kampan\u00ed, kdy se pracuje se seznamy u\u017eivatel\u016f, kter\u00fdm byla reklama zobrazena (nebo kte\u0159\u00ed klikli na odkaz) a kte\u0159\u00ed provedli n\u00e1kupy v internetov\u00e9m obchod\u011b.<\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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\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\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Google otev\u0159el syst\u00e9m pro anal\u00fdzu datov\u00fdch sad bez poru\u0161en\u00ed d\u016fv\u011brnosti | ProHoster","description":"Spole\u010dnost Google p\u0159edstavila kryptografick\u00fd protokol.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/google-otkryl-sistemu-dlya-analiza-naborov-dannyh-bez-narusheniya-konfedentsialnosti","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Google \u043e\u0442\u043a\u0440\u044b\u043b \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u0431\u0435\u0437 \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u044f \u043a\u043e\u043d\u0444\u0435\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 | ProHoster","og:description":"\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.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/google-otkryl-sistemu-dlya-analiza-naborov-dannyh-bez-narusheniya-konfedentsialnosti","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:04:42+00:00","article:modified_time":"2019-10-31T19:04:42+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"35504","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-21 23:33:22","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 02:01:26","updated":"2026-01-21 23:33:22","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/35504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=35504"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/35504\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=35504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=35504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=35504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}