{"id":237,"date":"2024-06-18T21:40:49","date_gmt":"2024-06-18T19:40:49","guid":{"rendered":"https:\/\/www.diskigo.com\/blog\/?p=237"},"modified":"2024-06-18T22:06:41","modified_gmt":"2024-06-18T20:06:41","slug":"aes-xts-plus-rapide-sur-les-cpu-amd-et-intel-et-linux-6-10-booste-le-chiffrement-pour-les","status":"publish","type":"post","link":"https:\/\/www.diskigo.com\/blog\/aes-xts-plus-rapide-sur-les-cpu-amd-et-intel-et-linux-6-10-booste-le-chiffrement-pour-les\/","title":{"rendered":"AES-XTS plus rapide sur les CPU AMD et Intel et Linux 6.10 booste le chiffrement  pour les"},"content":{"rendered":"<h2>Profitez de performances optimis\u00e9es pour le chiffrement AES-XTS avec les derni\u00e8res g\u00e9n\u00e9rations de CPU AMD et Intel sous Linux<\/h2>\n<p>Si vous poss\u00e9dez un processeur AMD ou Intel de derni\u00e8re g\u00e9n\u00e9ration et que vous utilisez Linux, pr\u00e9parez-vous \u00e0 des am\u00e9liorations significatives en mati\u00e8re de performances de chiffrement AES-XTS. Gr\u00e2ce au travail acharn\u00e9 d&rsquo;Eric Biggers de chez Google, de nouvelles versions optimis\u00e9es de l&rsquo;algorithme AES-XTS ont \u00e9t\u00e9 d\u00e9velopp\u00e9es. Ces versions tirent pleinement parti des instructions AES-NI, AVX, VAES et AVX-512 pr\u00e9sentes dans les processeurs modernes.<\/p>\n<h2>Des gains de performance impressionnants<\/h2>\n<p>Avec ces optimisations, les processeurs AMD Zen 4 peuvent b\u00e9n\u00e9ficier de gains de performance allant jusqu&rsquo;\u00e0 155% :<\/p>\n<figure id=\"attachment_239\" aria-describedby=\"caption-attachment-239\" style=\"width: 493px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.diskigo.com\/blog\/wp-content\/uploads\/2024\/06\/image.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-239\" src=\"https:\/\/www.diskigo.com\/blog\/wp-content\/uploads\/2024\/06\/image.webp\" alt=\"Comparatif AMD et Intel pour le chiffrement AES-XTS\" width=\"493\" height=\"198\" srcset=\"https:\/\/www.diskigo.com\/blog\/wp-content\/uploads\/2024\/06\/image.webp 493w, https:\/\/www.diskigo.com\/blog\/wp-content\/uploads\/2024\/06\/image-300x120.webp 300w\" sizes=\"auto, (max-width: 493px) 100vw, 493px\" \/><\/a><figcaption id=\"caption-attachment-239\" class=\"wp-caption-text\">Comparatif AMD et Intel pour le chiffrement AES-XTS<\/figcaption><\/figure>\n<p>Si vous utilisez le chiffrement de disque complet (comme <a href=\"https:\/\/fr.wikipedia.org\/wiki\/LUKS\">LUKS<\/a>) ou chiffrez vos fichiers sensibles avec des outils tels que <a href=\"https:\/\/github.com\/moov-io\/cryptfs\">Cryptfs<\/a> ou <a href=\"https:\/\/github.com\/google\/fscrypt\">fscrypt<\/a>, vous constaterez une nette am\u00e9lioration en termes de vitesse et de r\u00e9activit\u00e9. Les temps de latence et les ralentissements appartiendront au pass\u00e9, permettant \u00e0 vos donn\u00e9es d&rsquo;\u00eatre prot\u00e9g\u00e9es sans compromis sur les performances.<\/p>\n<p>Pour b\u00e9n\u00e9ficier de ces optimisations, assurez-vous de disposer des \u00e9l\u00e9ments suivants :<\/p>\n<ul>\n<li>Un processeur Intel ou AMD compatible avec VAES et AVX-512<\/li>\n<li>Une installation de Linux \u00e0 jour, avec au moins la version 6.10 du noyau<\/li>\n<\/ul>\n<p>La version 6.10 de Linux apporte \u00e9galement d&rsquo;autres am\u00e9liorations importantes en mati\u00e8re de s\u00e9curit\u00e9 et de chiffrement, notamment :<\/p>\n<ul>\n<li>Interdiction des courbes elliptiques avec un ordre inf\u00e9rieur \u00e0 224 bits (FIPS 186-5)<\/li>\n<li>Prise en charge de l\u2019ECDSA avec la courbe NIST P521<\/li>\n<li>Support de l\u2019acc\u00e9l\u00e9ration mat\u00e9rielle pour Intel QuickAssist Technology (QAT) avec migration \u00e0 chaud<\/li>\n<li>Nouveau driver pour le moteur de s\u00e9curit\u00e9 des puces NVIDIA Tegra<\/li>\n<\/ul>\n<p>Ces avanc\u00e9es marquent une \u00e9tape significative pour les utilisateurs de Linux avec des processeurs modernes, offrant une s\u00e9curit\u00e9 renforc\u00e9e et des performances accrues. Mettez \u00e0 jour votre syst\u00e8me et profitez de ces nouvelles optimisations d\u00e8s aujourd&rsquo;hui.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Profitez de performances optimis\u00e9es pour le chiffrement AES-XTS avec les derni\u00e8res g\u00e9n\u00e9rations de CPU AMD et Intel sous Linux Si vous poss\u00e9dez un processeur AMD ou Intel de derni\u00e8re g\u00e9n\u00e9ration et que vous utilisez Linux, pr\u00e9parez-vous \u00e0 des am\u00e9liorations significatives en mati\u00e8re de performances de chiffrement AES-XTS. Gr\u00e2ce au travail acharn\u00e9 d&rsquo;Eric Biggers de chez [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":244,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","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":""}},"footnotes":""},"categories":[5],"tags":[38,40,39,35,37],"class_list":["post-237","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-amd","tag-chiffrement","tag-intel","tag-linux","tag-securite"],"_links":{"self":[{"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/posts\/237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/comments?post=237"}],"version-history":[{"count":1,"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/posts\/237\/revisions"}],"predecessor-version":[{"id":241,"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/posts\/237\/revisions\/241"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/media\/244"}],"wp:attachment":[{"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/media?parent=237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/categories?post=237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.diskigo.com\/blog\/wp-json\/wp\/v2\/tags?post=237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}