{"id":14995,"date":"2021-04-08T05:31:44","date_gmt":"2021-04-08T05:31:44","guid":{"rendered":"https:\/\/\/solution-complete-pour-une-mise-a-jour-des-firmwares-iot\/"},"modified":"2021-04-08T05:31:44","modified_gmt":"2021-04-08T05:31:44","slug":"solution-complete-pour-une-mise-a-jour-des-firmwares-iot","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/solution-complete-pour-une-mise-a-jour-des-firmwares-iot\/","title":{"rendered":"Solution compl\u00e8te pour une mise \u00e0 jour des firmwares IoT"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"margin-bottom:12.0pt\"><span style=\"font-size:10.0pt;,sans-serif\">En offrant un moyen garanti d\u2019assurer des mises \u00e0 jour s\u00e9curis\u00e9es de firmware sur des plateformes mat\u00e9rielles\/logicielles certifi\u00e9es Arm PSA (Platform Security Architecture), la solution Winbond\/Nuvoton\/Qinglianyun raccourcit le temps de d\u00e9veloppement de nouveaux produits IoT et permet aux OEM d\u2019attaquer le march\u00e9 plus rapidement avec des offres pour applications smart city, smart home, comptage, contr\u00f4le industriel et autres domaines sensibles \u00e0 la s\u00e9curit\u00e9.<\/span><span style=\"font-size:10.0pt;,sans-serif\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:12.0pt\"><span style=\"font-size:10.0pt;,sans-serif\">Le design de r\u00e9f\u00e9rence s\u2019appuie sur le module multi-chip IoT Security M2351SF de Nuvoton, constitu\u00e9 du microcontr\u00f4leur s\u00e9curis\u00e9 M2351 certifi\u00e9 PSA et de la m\u00e9moire secure Flash W77Q TrustME<sup>\u00ae<\/sup> de Winbond. Le microcontr\u00f4leur M2351 est \u00e0 base du processeur s\u00e9curis\u00e9 Arm Cortex\u00ae-M23 \u00e0 technologie TrustZone. La m\u00e9moire secure Flash W77Q est connect\u00e9e au M2351 via une interface SPI crypt\u00e9e r\u00e9sistante aux attaques par espionnage des donn\u00e9es transf\u00e9r\u00e9es entre les deux composants.<\/span><span style=\"font-size:10.0pt;,sans-serif\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:12.0pt\"><span style=\"font-size:10.0pt;,sans-serif\">Afin de fournir un environnement d\u2019ex\u00e9cution de confiance (TEE \/ Trusted Execution Environment) aux op\u00e9rations de mise \u00e0 jour OTA et aux communications avec le cloud, le microcontr\u00f4leur M2351 ex\u00e9cute la pile logicielle TinyTEE de Qinglianyun dans un hardware prot\u00e9g\u00e9 TrustZone. Avec les 32Mbits de stockage de la m\u00e9moire W77Q le design de r\u00e9f\u00e9rence offre&nbsp;:<\/span><span style=\"font-size:10.0pt;,sans-serif\"><\/span><\/p>\n<ul>\n<li class=\"MsoNormal\" style=\"margin-bottom: 12pt\"><span style=\"font-size:10.0pt;,sans-serif\">Le&nbsp;stockage du firmware et des donn\u00e9es, s\u00e9curis\u00e9s ou non s\u00e9curis\u00e9s <\/span><\/li>\n<li class=\"MsoNormal\" style=\"margin-bottom: 12pt\"><span style=\"font-size:10.0pt;,sans-serif\">Un contr\u00f4le d\u2019acc\u00e8s authentifi\u00e9 assurant l\u2019int\u00e9grit\u00e9 du firmware et des donn\u00e9es<\/span><\/li>\n<li class=\"MsoNormal\" style=\"margin-bottom: 12pt\"><span style=\"font-size:10.0pt;,sans-serif\">Une protection anti-r\u00e9trogradation (rollback)<\/span><\/li>\n<\/ul>\n<p class=\"MsoNormal\" style=\"margin-bottom:12.0pt\"><span style=\"font-size:10.0pt;,sans-serif\">Le logiciel TinyTEE sur le M2351 se connecte au service cloud s\u00e9curis\u00e9 de Qinglianyun, dot\u00e9 d\u2019un ensemble complet de fonctionnalit\u00e9s pour la gestion IoT comme l\u2019authentification d\u2019appareil, le stockage s\u00e9curis\u00e9, un moteur de cryptage et un g\u00e9n\u00e9rateur av\u00e9r\u00e9 de nombres al\u00e9atoires, en conformit\u00e9 avec l\u2019interface standard Global Platform TEE.<\/span><span style=\"font-size:10.0pt;,sans-serif\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-right:-3.6pt\"><a href=\"http:\/\/www.windbond.com\"><span style=\"font-size:10.0pt;,sans-serif\">www.windbond.com<\/span><\/a><span style=\"font-size:10.0pt;,sans-serif\"><\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-right:-3.6pt\"><a href=\"http:\/\/www.nuvoton.com\"><span style=\"font-size:10.0pt;,sans-serif\">www.nuvoton.com<\/span><\/a><span style=\"font-size:10.0pt;,sans-serif\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Winbond Electronics Corporation fournisseur de solutions m\u00e9moires \u00e0 semiconducteurs, Nuvoton fabricant de microcontr\u00f4leurs et Qinglianyun d\u00e9veloppeur de logiciels de s\u00e9curit\u00e9 pr\u00e9sentent un design de r\u00e9f\u00e9rence totalement int\u00e9gr\u00e9 pour la mise \u00e0 jour s\u00e9curis\u00e9e OTA (over-the-air) des dispositifs IoT, s\u00e9curis\u00e9e depuis le cloud jusqu\u2019\u00e0 la m\u00e9moire de stockage du code de l\u2019appareil.<\/p>\n","protected":false},"author":9,"featured_media":14996,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-14995","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Solution compl\u00e8te pour une mise \u00e0 jour des firmwares IoT ...<\/title>\n<meta name=\"description\" content=\"Winbond Electronics Corporation fournisseur de 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