{"id":561,"date":"2026-04-17T00:00:00","date_gmt":"2026-04-16T23:00:00","guid":{"rendered":"https:\/\/vsx.is\/?p=561"},"modified":"2026-04-17T18:18:12","modified_gmt":"2026-04-17T17:18:12","slug":"tuta-drive-lance-une-version-beta-fermee-le-stockage-en-nuage-quantique-allemand-entre-dans-une-nouvelle-phase","status":"publish","type":"post","link":"https:\/\/vsx.is\/fr\/tuta-drive-spousti-uzavrenou-betu-post-kvantove-cloudove-uloziste-z-nemecka-vstupuje-do-dalsi-faze\/","title":{"rendered":"Tuta Drive lance une version b\u00eata ferm\u00e9e : le stockage en nuage post-quantique de l'Allemagne entre dans une nouvelle phase."},"content":{"rendered":"<p class=\"wp-block-paragraph\">Allemand <a href=\"https:\/\/vsx.is\/fr\/top-10-des-services-de-courrier-electronique\/\">Tuta<\/a> - un fournisseur de services de messagerie et d'agenda crypt\u00e9s - a annonc\u00e9 le lancement d'un service ferm\u00e9 de messagerie et d'agenda crypt\u00e9s. <a href=\"https:\/\/vsx.is\/fr\/thunderbird-pro-co-noveho-prinesl-duben-2026\/\">b\u00eata<\/a> phase de son projet de stockage en nuage tant attendu <strong><a href=\"https:\/\/vsx.is\/fr\/top-10-e-mailovych-sluzeb\/\">Tuta<\/a> Conduire<\/strong>. Il s'agit du troisi\u00e8me produit du portefeuille de l'entreprise et de l'une des derni\u00e8res grandes \u00e9tapes du projet PQDrive, qui a d\u00e9but\u00e9 en 2023. <a href=\"https:\/\/vsx.is\/fr\/bezpecne-emaily\/\">Tuta Mail<\/a> a <a href=\"https:\/\/vsx.is\/fr\/foss-alternativy-dil-3-produktivita-a-kancelar-kazdodenni-nastroje-bez-zavislosti-na-cloudu\/\">Calendrier Tuta<\/a> et compl\u00e8te le trio d'outils que Tuta est en train de construire comme une alternative compl\u00e8te \u00e0 <a href=\"https:\/\/vsx.is\/fr\/jeden-ekosystem-nebo-digitalni-mozaika-tri-cesty-k-organizaci-online-zivota\/\">Google<\/a> Workspace et d'autres \u00e9cosyst\u00e8mes Big Tech.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu'est-ce que PQDrive et pourquoi est-ce important ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PQDrive est un projet de recherche allemand visant \u00e0 d\u00e9velopper un syst\u00e8me de stockage en nuage r\u00e9sistant \u00e0 l'informatique quantique. Tuta l'a lanc\u00e9 en 2023 dans le cadre de l'initiative <strong>KMU-innovativ<\/strong> - le programme national allemand pour la promotion de la recherche et de l'innovation dans les petites et moyennes entreprises. En ce qui concerne le financement, il est utile de distinguer deux chiffres : dans son blog, Tuta mentionne une subvention de 1,5 million d'euros, tandis que la page officielle du projet du BMBF indique un volume total de 3,19 millions d'euros avec 68% de financement public. Le d\u00e9veloppement est r\u00e9alis\u00e9 en collaboration avec des cryptographes de <strong>Bergische Universit\u00e4t Wuppertal<\/strong>, qui fournit \u00e0 Tuta un lien vers les recherches universitaires actuelles dans le domaine de la cryptographie post-quantique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PQDrive s'appuie sur un projet ant\u00e9rieur <strong>PQMail<\/strong> de 2020, ce qui a entra\u00een\u00e9 le d\u00e9ploiement d'un syst\u00e8me d'information post-quantique. <a href=\"https:\/\/vsx.is\/fr\/kolik-dat-o-vas-sbira-vas-messenger-surfshark-zmeril-desitku-nejpouzivanejsich-aplikaci\/\">chiffrement<\/a> <strong><a href=\"https:\/\/vsx.is\/fr\/tuta-nemecky-prukopnik-sifrovaneho-e-mailu\/\">TutaCrypt<\/a><\/strong> \u00e0 tous les comptes de messagerie de Tuta. Tuta a r\u00e9ussi cette op\u00e9ration au d\u00e9but de l'ann\u00e9e 2026, de sorte que tous ses utilisateurs communiquent aujourd'hui \u00e0 l'aide d'une cryptographie r\u00e9sistante aux quanta. Tuta Drive \u00e9tend cette approche aux fichiers stock\u00e9s dans le nuage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce que la version b\u00eata peut faire - et ce qu'elle ne peut pas encore faire<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans sa version actuelle, Tuta Drive offre les trois fonctions de base que vous attendez d'un stockage en nuage :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enregistrement et stockage<\/strong> des fichiers, des images, des vid\u00e9os et d'autres donn\u00e9es vers un nuage crypt\u00e9.<\/li>\n\n\n\n<li><strong>Synchronisation entre appareils<\/strong> - les fichiers transf\u00e9r\u00e9s depuis un iPhone ou un Android sont disponibles sur le bureau et vice versa.<\/li>\n\n\n\n<li><strong>Sauvegarde<\/strong> avec un syst\u00e8me automatique <a href=\"https:\/\/vsx.is\/fr\/vladni-messengery-v-evrope-proc-polsko-francie-a-nemecko-buduji-vlastni-alternativy-k-signalu\/\">de bout en bout<\/a> par cryptage.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tout est crypt\u00e9 de bout en bout d\u00e8s le premier instant gr\u00e2ce \u00e0 <strong><a href=\"https:\/\/vsx.is\/fr\/bezpecny-e-mail-co-to-vlastne-znamena-a-potrebujete-to-resit\/\">connaissance z\u00e9ro<\/a> L'architecture<\/strong>, que Tuta utilise d\u00e9j\u00e0 dans ses autres produits. Selon Tuta, cela signifie que m\u00eame l'op\u00e9rateur lui-m\u00eame n'a pas acc\u00e8s au contenu des fichiers - l'utilisateur d\u00e9tient exclusivement les cl\u00e9s. Les serveurs sont h\u00e9berg\u00e9s en Allemagne, ce qui garantit la conformit\u00e9 avec la l\u00e9gislation europ\u00e9enne. <a href=\"https:\/\/vsx.is\/fr\/twake-workplace-evropsky-open-source-workplace-zamereny-na-soukromi\/\">GDPR<\/a> et en m\u00eame temps <a href=\"https:\/\/tuta.com\/blog\/digital-sovereignty-europe\">souverainet\u00e9 num\u00e9rique<\/a> pour les utilisateurs et les entreprises europ\u00e9ens.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cependant, il est \u00e9galement bon de conna\u00eetre les limites. <strong>La version b\u00eata est pour l'instant exclusivement disponible dans le client web Tuta Mail.<\/strong> - sur mobile et sur ordinateur. Des applications mobiles autonomes pour Android et iOS, ainsi que l'int\u00e9gration dans des applications existantes, sont disponibles. <a href=\"https:\/\/tuta.com\/blog\/desktop-clients\">clients de bureau<\/a> pour Linux, Windows et macOS. Tuta n'a pas donn\u00e9 de date pr\u00e9cise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Et un d\u00e9tail encore plus crucial : <strong>La b\u00eata ferm\u00e9e signifie vraiment ferm\u00e9e.<\/strong> L'acc\u00e8s n'est pas conditionn\u00e9 par une inscription ou une liste d'attente - Tuta s\u00e9lectionne lui-m\u00eame les utilisateurs existants \u00e0 inviter \u00e0 l'essai. Dans les mois \u00e0 venir, Tuta pr\u00e9voit d'\u00e9largir progressivement le groupe d'invit\u00e9s et d'ouvrir le d\u00e9p\u00f4t \u00e0 d'autres utilisateurs payants, mais il n'est pas encore clair quand la phase passera en b\u00eata publique.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce que nous savons \u00e0 ce jour sur la cryptographie post-quantique dans Drive<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Il convient d'\u00eatre prudent. Tuta Drive repose sur la m\u00eame base cryptographique que Tuta Mail, le sch\u00e9ma <strong>TutaCrypt<\/strong>. Elle combine la cryptographie classique avec un algorithme post-quantique <strong>CRISTAUX-Cyber<\/strong>, que le NIST a finalis\u00e9 en ao\u00fbt 2024 sous le nom de <strong><a href=\"https:\/\/vsx.is\/fr\/secria-chysta-vlastni-vpn-co-o-ni-zatim-vime\/\">ML-KEM<\/a> (FIPS 203)<\/strong> comme l'une des normes officielles pour les <a href=\"https:\/\/vsx.is\/fr\/dobry-umysl-nestaci-uskali-alternativnich-projektu-pro-digitalni-soukromi\/\">cryptage post-quantique<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il manque cependant \u00e0 l'annonce de Drive une documentation technique plus d\u00e9taill\u00e9e, sp\u00e9cifique au stockage - par exemple, comment les cl\u00e9s sont \u00e9chang\u00e9es pour les fichiers partag\u00e9s, comment la rotation des cl\u00e9s est g\u00e9r\u00e9e, ou comment le cryptage de la synchronisation est effectu\u00e9. <a href=\"https:\/\/vsx.is\/fr\/metadata-vs-obsah-komunikace-proc-nestaci-sifrovat-jen-text\/\">m\u00e9tadonn\u00e9es<\/a>. Tuta lui-m\u00eame \u00e9crit que plus de d\u00e9tails et de fonctionnalit\u00e9s suppl\u00e9mentaires ne seront publi\u00e9s qu'avec la version b\u00eata publique. D\u00e8s que ces informations seront disponibles, j'y reviendrai dans un billet s\u00e9par\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contexte : Tuta, partie int\u00e9grante de l'alternative europ\u00e9enne aux Big Tech<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tuta se pr\u00e9sente comme une alternative directe \u00e0 <a href=\"https:\/\/tuta.com\/blog\/is-google-drive-secure\">Google Drive<\/a> et Dropbox - des services qui <a href=\"https:\/\/vsx.is\/fr\/bezpecne-messangery\/\">chiffrement de bout en bout<\/a> ne les proposent pas par d\u00e9faut et stockent vos fichiers sous une forme accessible \u00e0 l'op\u00e9rateur (et \u00e9ventuellement \u00e0 des tiers). Ceci s'adresse aux utilisateurs qui ont affaire \u00e0 <a href=\"https:\/\/vsx.is\/fr\/categorie\/vie-privee-numerique\/\">vie priv\u00e9e num\u00e9rique<\/a>, une diff\u00e9rence majeure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En m\u00eame temps, Tuta s'inscrit dans une tendance plus large que j'ai suivie sur ce blog - les services num\u00e9riques europ\u00e9ens qui tentent de concurrencer les plateformes am\u00e9ricaines dominantes non seulement en termes de fonctionnalit\u00e9s, mais surtout en termes d'architecture et de cadre juridique. H\u00e9bergement dans l'UE, GDPR, pas de publicit\u00e9, pas de suivi, pas d'IA form\u00e9e \u00e0 partir de vos donn\u00e9es. Par exemple, le site suisse <a href=\"https:\/\/proton.me\/drive\">Proton<\/a>, fran\u00e7ais <a href=\"https:\/\/www.infomaniak.com\/en\/ksuite\/kdrive\">kDrive<\/a> d'Infomaniac ou plus d\u00e9centralis\u00e9e <a href=\"https:\/\/filen.io\/\">Filen<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La diff\u00e9rence avec la concurrence r\u00e9side dans l'approche post-quantique. <a href=\"https:\/\/vsx.is\/fr\/top-5-cloudovych-ulozist\/\">Proton Drive<\/a> i <a href=\"https:\/\/vsx.is\/fr\/infomaniak-v-rukou-nadace-kdy-je-zavazek-strukturou-a-kdy-jen-sliby\/\">kDrive<\/a> Ils offrent <a href=\"https:\/\/vsx.is\/fr\/discord-2026-koncove-sifrovani-hovoru-na-jedne-strane-sber-identit-na-druhe\/\">E2EE<\/a>, mais sans couche post-quantique explicite pour l'instant - Tuta est en avance \u00e0 cet \u00e9gard dans le contexte europ\u00e9en.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quelle est la prochaine \u00e9tape ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tuta promet d'\u00e9largir le groupe de testeurs au cours des prochains mois et de passer ensuite \u00e0 la version b\u00eata publique, o\u00f9 il annoncera des fonctionnalit\u00e9s suppl\u00e9mentaires. De mon point de vue, il est int\u00e9ressant de voir en particulier :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Comment le partage de fichiers sera-t-il r\u00e9solu ?<\/strong> - Dans la cryptographie post-quantique, le partage des cl\u00e9s est la partie la plus complexe de l'architecture.<\/li>\n\n\n\n<li><strong>Quand les clients autochtones viendront<\/strong> - L'application web est une bonne chose, mais pour remplacer r\u00e9ellement Google Drive ou iCloud, les applications mobiles et la synchronisation des ordinateurs de bureau seront essentielles.<\/li>\n\n\n\n<li><strong>Prix et limites de stockage<\/strong> - Tuta n'a pas encore divulgu\u00e9 de plans de tarification sp\u00e9cifiques pour le Drive.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuta Drive n'est pas un produit fini. Il s'agit d'une version b\u00eata au sens propre du terme - ferm\u00e9e, sur invitation uniquement, sans documentation compl\u00e8te et sans clients natifs. Mais il s'agit d'une \u00e9tape importante dans l'\u00e9volution de l'infrastructure num\u00e9rique de l'Europe. D\u00e8s que Drive sera ouvert au grand public ou qu'une \u00e9valuation ind\u00e9pendante de son architecture cryptographique sera disponible, j'\u00e9crirai un article s\u00e9par\u00e9 \u00e0 son sujet.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sources :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/tuta.com\/blog\/tuta-drive-in-beta-launch\">Tuta Blog - Lancement de Tuta Drive en version b\u00eata ferm\u00e9e<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tuta.com\/drive\">Tuta - Tuta Drive<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tuta.com\/blog\/pqdrive-project\">Tuta Blog - Projet PQDrive<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tuta.com\/blog\/pqmail-launch-post-quantum-cryptography\">Tuta Blog - Lancement de PQMail et cryptographie post-quantique<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tuta.com\/blog\/post-quantum-cryptography\">Tuta Blog - Cryptographie post-quantique<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.forschung-it-sicherheit-kommunikationssysteme.de\/projekte\/pqdrive\">BMBF \/ KMU-innovativ - Projet PQDrive<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tuta.com\/blog\/digital-sovereignty-europe\">Tuta Blog - La souverainet\u00e9 num\u00e9rique en Europe<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>N\u011bmeck\u00e1 Tuta \u2014 poskytovatel \u0161ifrovan\u00e9ho e-mailu a kalend\u00e1\u0159e \u2014 v polovin\u011b dubna 2026 ozn\u00e1mila spu\u0161t\u011bn\u00ed uzav\u0159en\u00e9 beta f\u00e1ze sv\u00e9ho dlouho [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","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":"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":"","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-4)","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-4)","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-4)","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":""}},"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"federated","footnotes":""},"categories":[22],"tags":[],"class_list":["post-561","post","type-post","status-publish","format-standard","hentry","category-digitalni-soukromi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - 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