{"id":1880,"date":"2022-06-23T01:50:56","date_gmt":"2022-06-23T01:50:56","guid":{"rendered":"https:\/\/cscan.webix.ca\/?page_id=1880"},"modified":"2022-06-23T01:51:55","modified_gmt":"2022-06-23T01:51:55","slug":"joins-over-encrypted-data","status":"publish","type":"page","link":"https:\/\/cscan-infocan.ca\/fr\/joins-over-encrypted-data\/","title":{"rendered":"Joints sur des donn\u00e9es crypt\u00e9es"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1880\" class=\"elementor elementor-1880\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-518d02a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"518d02a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-86bc210\" data-id=\"86bc210\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-365cf16 elementor-widget elementor-widget-heading\" data-id=\"365cf16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Joints sur des donn\u00e9es crypt\u00e9es<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4108847 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4108847\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8e4b823\" data-id=\"8e4b823\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-987b89f elementor-widget elementor-widget-video\" data-id=\"987b89f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=auCrSKH2oVI&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dee6e9e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dee6e9e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-93dc536\" data-id=\"93dc536\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c0a5428 elementor-widget elementor-widget-text-editor\" data-id=\"c0a5428\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-three\"><p><strong>Florian Kerschbaum<br \/><\/strong><em>Universit\u00e9 de Waterloo<\/em><br \/><em>Laur\u00e9at du prix CS-Can|Info-Can du meilleur jeune chercheur 2019<\/em><\/p><\/div><div class=\"fusion-clearfix\">\u00a0<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1\"><p>Les bases de donn\u00e9es externalis\u00e9es doivent calculer les r\u00e9sultats des requ\u00eates sur des donn\u00e9es crypt\u00e9es.  Il s'agit d'un d\u00e9fi, car l'op\u00e9ration doit \u00eatre efficace, mais toute information secondaire peut d\u00e9truire la s\u00e9curit\u00e9 du cryptage.  Les (\u00e9qui-)jointures sont particuli\u00e8rement difficiles, car leurs op\u00e9rations d\u00e9pendent des donn\u00e9es d'entr\u00e9e.  Je pr\u00e9senterai les r\u00e9sultats les plus r\u00e9cents sur les jointures sur des donn\u00e9es crypt\u00e9es dans le cadre interactif, par exemple le cryptage homomorphique ou le calcul multipartite, et dans le cadre non interactif, les bases de donn\u00e9es externalis\u00e9es utilisant le cryptage fonctionnel.<\/p><p>Florian Kerschbaum est professeur associ\u00e9 \u00e0 la David R. Cheriton School of Computer Science de l'Universit\u00e9 de Waterloo et directeur ex\u00e9cutif du Waterloo Cybersecurity and Privacy Institute depuis 2018. Avant de rejoindre Waterloo, Florian a travaill\u00e9 en tant qu'expert en recherche en chef chez SAP \u00e0 Karlsruhe (2005 - 2016) et en tant qu'architecte logiciel chez Arxan Technologies \u00e0 San Francisco (2002 - 2004).<\/p><p>Le professeur Kerschbaum est titulaire d'un doctorat en informatique de l'Institut de technologie de Karlsruhe (2010) et d'une ma\u00eetrise de l'Universit\u00e9 de Purdue (2001).<\/p><p>Il s'int\u00e9resse \u00e0 la s\u00e9curit\u00e9 des donn\u00e9es et \u00e0 la confidentialit\u00e9 dans la gestion des donn\u00e9es, l'apprentissage automatique et les blockchains. Il \u00e9tend les syst\u00e8mes du monde r\u00e9el avec des m\u00e9canismes de s\u00e9curit\u00e9 cryptographiques pour atteindre (certaines) garanties de s\u00e9curit\u00e9 prouvables. Son travail a \u00e9t\u00e9 appliqu\u00e9 \u00e0 des produits pour les bases de donn\u00e9es, la gestion de la cha\u00eene d'approvisionnement et le suivi RFID.<\/p><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Joins Over Encrypted Data https:\/\/www.youtube.com\/watch?v=auCrSKH2oVI Florian KerschbaumUniversity of WaterlooCS-Can|Info-Can Outstanding Young Researcher Award Winner 2019 \u00a0 Outsourced databases need to compute query results over encrypted data.\u00a0 This is challenging, since the operation needs to be efficient, but any side information can destroy the security of the encryption.\u00a0 (Equi-)Joins are particularly challenging, since their operations are [&hellip;]<\/p>\n","protected":false},"author":76,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1880","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cscan-infocan.ca\/fr\/wp-json\/wp\/v2\/pages\/1880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cscan-infocan.ca\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cscan-infocan.ca\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cscan-infocan.ca\/fr\/wp-json\/wp\/v2\/users\/76"}],"replies":[{"embeddable":true,"href":"https:\/\/cscan-infocan.ca\/fr\/wp-json\/wp\/v2\/comments?post=1880"}],"version-history":[{"count":0,"href":"https:\/\/cscan-infocan.ca\/fr\/wp-json\/wp\/v2\/pages\/1880\/revisions"}],"wp:attachment":[{"href":"https:\/\/cscan-infocan.ca\/fr\/wp-json\/wp\/v2\/media?parent=1880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}