{"id":171,"date":"2024-07-21T11:56:28","date_gmt":"2024-07-21T11:56:28","guid":{"rendered":"https:\/\/dockerpros.com\/?p=171"},"modified":"2024-07-21T11:56:28","modified_gmt":"2024-07-21T11:56:28","slug":"what-is-docker-content-trust","status":"publish","type":"post","link":"https:\/\/dockerpros.com\/fr\/introduction-to-docker\/what-is-docker-content-trust\/","title":{"rendered":"Qu'est-ce que Docker Content Trust ?"},"content":{"rendered":"<h1>Qu'est-ce que Docker Content Trust ?<\/h1>\n<p>Dans le paysage en constante \u00e9volution du d\u00e9veloppement et du d\u00e9ploiement logiciel, garantir l'int\u00e9grit\u00e9 et l'authenticit\u00e9 des composants logiciels que nous utilisons est primordial. \u00c0 mesure que les \u00e9quipes adoptent des technologies de conteneurisation comme Docker, le besoin de m\u00e9canismes de s\u00e9curit\u00e9 robustes augmente en cons\u00e9quence. L'un de ces m\u00e9canismes est <span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> (DCT), a feature that provides a framework for ensuring the integrity of Docker images through cryptographic signing. In this article, we will delve into the intricacies of <span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, exploring its purpose, how it works, its benefits, and practical use cases.<\/p>\n<h2>Comprendre la confiance du contenu Docker<\/h2>\n<p><span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is a feature that allows users to verify the authenticity and integrity of Docker images and tags before they are pulled and <span class=\"glossaryai-tooltip glossary-term-672\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/run\/\" target=\"_blank\">run<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/run\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. By leveraging Digital Signatures, DCT ensures that the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> n'a pas \u00e9t\u00e9 alt\u00e9r\u00e9e et est produite par une source fiable. L'objectif principal est d'am\u00e9liorer la s\u00e9curit\u00e9 et de r\u00e9duire les risques associ\u00e9s aux images non v\u00e9rifi\u00e9es qui pourraient potentiellement contenir du code malveillant.<\/p>\n<p>DCT uses two key technologies to function effectively:<\/p>\n<ol>\n<li>\n<p><strong>Notary<\/strong>Un projet open-source qui impl\u00e9mente The Update Framework (TUF), offrant un moyen de garantir l'int\u00e9grit\u00e9 et l'authenticit\u00e9 des donn\u00e9es. Notary sert de fondement au DCT (Docker Content Trust) en permettant aux d\u00e9veloppeurs de signer leurs images et de maintenir un syst\u00e8me de confiance. <span class=\"glossaryai-tooltip glossary-term-659\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/repository\/\" target=\"_blank\">repository<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">A repository is a centralized location where data, code, or documents are stored, managed, and maintained. It facilitates version control, collaboration, and efficient resource sharing among users.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/repository\/\">More \u00bb<\/a><\/span><\/span><span class=\"gai-tooltip-video-wrapper\"><span class=\"gai-tooltip-video\" data-src=\"https:\/\/www.youtube.com\/embed\/_OXj8BGxNPY?rel=0&#038;modestbranding=1\"><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n<li>\n<p><strong>Infrastructure \u00e0 cl\u00e9s publiques (PKI)<\/strong>: Un syst\u00e8me qui utilise des paires de cl\u00e9s cryptographiques (publique et priv\u00e9e) pour g\u00e9rer la s\u00e9curit\u00e9 dans les communications num\u00e9riques. Dans le contexte de DCT, l'ICP permet aux d\u00e9veloppeurs de signer des images avec leurs cl\u00e9s priv\u00e9es et permet aux utilisateurs de v\u00e9rifier ces signatures \u00e0 l'aide des cl\u00e9s publiques correspondantes.<\/p>\n<\/li>\n<\/ol>\n<h2>Comment fonctionne Docker Content Trust\n\nDocker Content Trust (DCT) permet aux utilisateurs de v\u00e9rifier l'authenticit\u00e9, l'int\u00e9grit\u00e9 et la date de publication des images Docker. Cette v\u00e9rification est configur\u00e9e au niveau du daemon et est activ\u00e9e par d\u00e9faut. Les utilisateurs peuvent choisir de d\u00e9sactiver la v\u00e9rification pour des images individuelles en utilisant l'option --disable-content-trust, mais cette option est d\u00e9sactiv\u00e9e par d\u00e9faut.\n\nDCT utilise les signatures num\u00e9riques pour permettre la v\u00e9rification des images Docker. Ces signatures permettent aux clients de v\u00e9rifier que les images proviennent du d\u00e9veloppeur et n'ont pas \u00e9t\u00e9 modifi\u00e9es depuis leur publication. DCT utilise The Update Framework (TUF), qui a \u00e9t\u00e9 con\u00e7u pour r\u00e9sister aux attaques de cl\u00e9 de signature compromise.\n\nLorsqu'un client pousse une image avec DCT activ\u00e9, le client Docker Engine cr\u00e9e une liste de fichiers de couches et de manifestes qui composent l'image. Cette liste est sign\u00e9e avec la cl\u00e9 priv\u00e9e du client et pouss\u00e9e vers le registre Docker. Lorsqu'un client tire une image avec DCT activ\u00e9, le client Docker Engine v\u00e9rifie la signature de l'image et la compare avec la cl\u00e9 publique du d\u00e9veloppeur. Si la signature est valide, l'image est consid\u00e9r\u00e9e comme authentique et peut \u00eatre utilis\u00e9e.\n\nDCT utilise un mod\u00e8le de confiance bas\u00e9 sur les cl\u00e9s. Chaque d\u00e9veloppeur a une paire de cl\u00e9s priv\u00e9e\/publique. La cl\u00e9 priv\u00e9e est utilis\u00e9e pour signer les images, tandis que la cl\u00e9 publique est utilis\u00e9e pour v\u00e9rifier les signatures. Les cl\u00e9s sont stock\u00e9es dans un fichier de configuration sur le client Docker Engine.\n\nLorsqu'un d\u00e9veloppeur pousse une image avec DCT activ\u00e9, le client Docker Engine cr\u00e9e une liste de fichiers de couches et de manifestes qui composent l'image. Cette liste est sign\u00e9e avec la cl\u00e9 priv\u00e9e du d\u00e9veloppeur et pouss\u00e9e vers le registre Docker. Lorsqu'un client tire une image avec DCT activ\u00e9, le client Docker Engine v\u00e9rifie la signature de l'image et la compare avec la cl\u00e9 publique du d\u00e9veloppeur. Si la signature est valide, l'image est consid\u00e9r\u00e9e comme authentique et peut \u00eatre utilis\u00e9e.\n\nDCT utilise \u00e9galement un mod\u00e8le de confiance bas\u00e9 sur les r\u00f4les. Chaque d\u00e9veloppeur a un r\u00f4le qui d\u00e9termine les autorisations qu'il a pour signer les images. Les r\u00f4les sont d\u00e9finis dans un fichier de configuration sur le client Docker Engine.\n\nLorsqu'un d\u00e9veloppeur pousse une image avec DCT activ\u00e9, le client Docker Engine v\u00e9rifie que le d\u00e9veloppeur a le r\u00f4le appropri\u00e9 pour signer l'image. Si le d\u00e9veloppeur n'a pas le r\u00f4le appropri\u00e9, l'image ne peut pas \u00eatre sign\u00e9e et ne peut pas \u00eatre pouss\u00e9e vers le registre Docker.\n\nEn r\u00e9sum\u00e9, Docker Content Trust permet aux utilisateurs de v\u00e9rifier l'authenticit\u00e9, l'int\u00e9grit\u00e9 et la date de publication des images Docker. Il utilise les signatures num\u00e9riques pour permettre la v\u00e9rification des images Docker et utilise un mod\u00e8le de confiance bas\u00e9 sur les cl\u00e9s et les r\u00f4les pour d\u00e9terminer les autorisations des d\u00e9veloppeurs pour signer les images.<\/h2>\n<h3>Configuration de Docker Content Trust<\/h3>\n<p>To use <span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, you first need to enable it in your Docker environment. By default, DCT is disabled, so enabling it is the first step towards securing your Docker images.<\/p>\n<p>To enable <span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, set the environment variable <code>DOCKER_CONTENT_TRUST<\/code> to <code>1<\/code>. Cela peut \u00eatre fait dans votre terminal comme suit :<\/p>\n<pre><code class=\"language-bash\">export DOCKER_CONTENT_TRUST=1<\/code><\/pre>\n<p>Once DCT is enabled, any attempt to pull or push images will require signatures. If a signed <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> isn\u2019t available, the operation will fail, preventing any unverified images from being used.<\/p>\n<h3>Signing Images<\/h3>\n<p>The process of signing an <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> involves creating a digital signature that captures the state of the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> at the time of signing. This is done using the Notary <span class=\"glossaryai-tooltip glossary-term-681\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/service\/\" target=\"_blank\">service<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Le service fait r\u00e9f\u00e9rence \u00e0 l'acte de fournir une assistance ou un soutien pour r\u00e9pondre \u00e0 des besoins ou des exigences sp\u00e9cifiques. Dans divers domaines, il englobe le service client, le support technique et les services professionnels, en mettant l'accent sur l'efficacit\u00e9 et la satisfaction de l'utilisateur.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/service\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, which associates the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> with a specific cryptographic key.<\/p>\n<p>Here\u2019s a step-by-step breakdown of the signing process:<\/p>\n<ol>\n<li>\n<p><strong>Build the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">Image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong>: Create your Docker <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> using the standard Docker commands.<\/p>\n<pre><code class=\"language-bash\">docker build -t yourusername\/yourimage:tag .<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>Sign the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">Image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong>: After building, sign the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> using the following command:<\/p>\n<pre><code class=\"language-bash\">docker trust sign yourusername\/yourimage:tag<\/code><\/pre>\n<p>Lors de l'ex\u00e9cution, cette commande vous invitera \u00e0 entrer le mot de passe de la cl\u00e9 priv\u00e9e, qui est utilis\u00e9 pour g\u00e9n\u00e9rer la signature.<\/p>\n<\/li>\n<li>\n<p><strong>Verify the Signature<\/strong>: To check if the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is signed correctly, you can use:<\/p>\n<pre><code class=\"language-bash\">docker trust inspect --pretty votre_nom_utilisateur\/votre_image:\u00e9tiquette<\/code><\/pre>\n<p>This command will display information regarding the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> signatures, including the public key used for signing.<\/p>\n<\/li>\n<\/ol>\n<h3>R\u00e9cup\u00e9ration d'images sign\u00e9es<\/h3>\n<p>When DCT is enabled, you can only pull images that have been signed. If you attempt to pull an unsigned <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, the process will fail, ensuring that you only work with verified content. The command to pull a signed <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> remains the same:<\/p>\n<pre><code class=\"language-bash\">docker pull yourusername\/yourimage:tag<\/code><\/pre>\n<p>Docker v\u00e9rifiera automatiquement la signature de l'image par rapport aux cl\u00e9s publiques stock\u00e9es sur le serveur Notary avant de la r\u00e9cup\u00e9rer.<\/p>\n<h3>R\u00e9vocation d'une signature<\/h3>\n<p>In scenarios where a key is compromised or you need to stop using an <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, it\u2019s essential to revoke its signature. Revocation tells users and systems that the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> should no longer be trusted.<\/p>\n<p>To revoke an <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> signature, you can use the following command:<\/p>\n<pre><code class=\"language-bash\">docker trust revoke yourusername\/yourimage:tag<\/code><\/pre>\n<p>Once revoked, the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> will no longer be considered trusted, and attempts to pull it (with DCT enabled) will fail.<\/p>\n<h2>Avantages de Docker Content Trust\n\nLorsque vous activez Docker Content Trust, vous pouvez v\u00e9rifier l'authenticit\u00e9, l'int\u00e9grit\u00e9 et la date de publication d'images Docker. Cela vous permet de vous assurer que les images que vous utilisez proviennent de sources fiables et n'ont pas \u00e9t\u00e9 modifi\u00e9es depuis leur publication.\n\nVoici quelques-uns des avantages de l'utilisation de Docker Content Trust :\n\n1. Authentification : Docker Content Trust utilise des signatures num\u00e9riques pour authentifier les images Docker. Cela garantit que les images proviennent bien de l'auteur d\u00e9clar\u00e9 et n'ont pas \u00e9t\u00e9 falsifi\u00e9es.\n\n2. Int\u00e9grit\u00e9 : Les signatures num\u00e9riques permettent \u00e9galement de v\u00e9rifier l'int\u00e9grit\u00e9 des images Docker. Si une image a \u00e9t\u00e9 modifi\u00e9e apr\u00e8s sa signature, Docker Content Trust d\u00e9tectera cette modification et emp\u00eachera son utilisation.\n\n3. Date de publication : Docker Content Trust enregistre la date de publication de chaque image. Cela vous permet de savoir quand une image a \u00e9t\u00e9 publi\u00e9e et de prendre des d\u00e9cisions \u00e9clair\u00e9es sur son utilisation.\n\n4. S\u00e9curit\u00e9 : En utilisant Docker Content Trust, vous pouvez r\u00e9duire les risques de s\u00e9curit\u00e9 li\u00e9s \u00e0 l'utilisation d'images Docker non fiables ou modifi\u00e9es. Cela contribue \u00e0 prot\u00e9ger vos applications et vos donn\u00e9es.\n\n5. Conformit\u00e9 : Docker Content Trust peut vous aider \u00e0 respecter les exigences de conformit\u00e9 en mati\u00e8re de s\u00e9curit\u00e9 et d'int\u00e9grit\u00e9 des donn\u00e9es.\n\nPour activer Docker Content Trust, vous pouvez utiliser la variable d'environnement DOCKER_CONTENT_TRUST. Par exemple, pour activer Docker Content Trust pour toutes les commandes Docker, vous pouvez ex\u00e9cuter la commande suivante :\n\n```\nexport DOCKER_CONTENT_TRUST=1\n```\n\nUne fois que Docker Content Trust est activ\u00e9, toutes les images Docker que vous utilisez seront v\u00e9rifi\u00e9es pour leur authenticit\u00e9, leur int\u00e9grit\u00e9 et leur date de publication.<\/h2>\n<p>The introduction of <span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> brings several notable advantages:<\/p>\n<h3>1. S\u00e9curit\u00e9 Renforc\u00e9e<\/h3>\n<p>The primary benefit of DCT is improved security. It helps ensure that only verified images are used in production environments, reducing the risk of deploying malicious or tampered software.<\/p>\n<h3>2. Conformit\u00e9 et Gouvernance<\/h3>\n<p>For organizations subjected to regulatory requirements, using DCT can help meet compliance standards that require the verification of software integrity. By maintaining a trusted <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> <span class=\"glossaryai-tooltip glossary-term-659\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/repository\/\" target=\"_blank\">repository<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">A repository is a centralized location where data, code, or documents are stored, managed, and maintained. It facilitates version control, collaboration, and efficient resource sharing among users.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/repository\/\">More \u00bb<\/a><\/span><\/span><span class=\"gai-tooltip-video-wrapper\"><span class=\"gai-tooltip-video\" data-src=\"https:\/\/www.youtube.com\/embed\/_OXj8BGxNPY?rel=0&#038;modestbranding=1\"><\/span><\/span><\/span><\/span><\/span>, companies can demonstrate adherence to security policies.<\/p>\n<h3>3. Trust and Transparency<\/h3>\n<p>DCT fosters a culture of trust within development teams. By ensuring that images are signed and verified, team members can have confidence in the components they are using, promoting a more secure development lifecycle.<\/p>\n<h3>4. Automated Integrity Checks<\/h3>\n<p>With DCT in place, automated integrity checks become part of the workflow. Continuous Integration\/Continuous Deployment (CI\/CD) pipelines can integrate DCT to automatically enforce <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> signing before deployment, ensuring that only trusted images are deployed.<\/p>\n<h2>Cas d'utilisation de Docker Content Trust\n\nDocker Content Trust (DCT) est une fonctionnalit\u00e9 de s\u00e9curit\u00e9 qui permet de v\u00e9rifier l'authenticit\u00e9 et l'int\u00e9grit\u00e9 des images Docker. Voici quelques cas d'utilisation courants de DCT :\n\n1. D\u00e9ploiement s\u00e9curis\u00e9 d'applications : DCT garantit que les images utilis\u00e9es pour d\u00e9ployer des applications sont authentiques et n'ont pas \u00e9t\u00e9 modifi\u00e9es. Cela r\u00e9duit les risques de d\u00e9ploiement d'images compromises ou malveillantes.\n\n2. Cha\u00eene d'approvisionnement logicielle : DCT permet de cr\u00e9er une cha\u00eene d'approvisionnement logicielle s\u00e9curis\u00e9e en signant num\u00e9riquement les images Docker. Cela garantit que les images proviennent de sources fiables et n'ont pas \u00e9t\u00e9 alt\u00e9r\u00e9es pendant le processus de distribution.\n\n3. Conformit\u00e9 r\u00e9glementaire : Pour les entreprises soumises \u00e0 des r\u00e9glementations strictes en mati\u00e8re de s\u00e9curit\u00e9, DCT peut aider \u00e0 r\u00e9pondre aux exigences de conformit\u00e9 en fournissant une preuve d'authenticit\u00e9 et d'int\u00e9grit\u00e9 des images Docker.\n\n4. Collaboration en \u00e9quipe : DCT facilite la collaboration entre les membres d'une \u00e9quipe en garantissant que les images partag\u00e9es sont authentiques et n'ont pas \u00e9t\u00e9 modifi\u00e9es par des tiers non autoris\u00e9s.\n\n5. Int\u00e9gration continue et d\u00e9ploiement continu (CI\/CD) : DCT peut \u00eatre int\u00e9gr\u00e9 dans les pipelines CI\/CD pour garantir que seules les images sign\u00e9es et v\u00e9rifi\u00e9es sont d\u00e9ploy\u00e9es en production.\n\n6. S\u00e9curit\u00e9 des conteneurs : DCT renforce la s\u00e9curit\u00e9 globale des conteneurs en emp\u00eachant l'utilisation d'images non sign\u00e9es ou compromises, r\u00e9duisant ainsi les risques de vuln\u00e9rabilit\u00e9s et d'attaques.\n\n7. Audit et tra\u00e7abilit\u00e9 : DCT fournit un m\u00e9canisme d'audit et de tra\u00e7abilit\u00e9 en enregistrant les signatures num\u00e9riques des images, ce qui permet de retracer l'origine et l'historique des modifications apport\u00e9es aux images.\n\n8. Protection contre les attaques de la cha\u00eene d'approvisionnement : DCT aide \u00e0 se prot\u00e9ger contre les attaques de la cha\u00eene d'approvisionnement en garantissant que les images proviennent de sources fiables et n'ont pas \u00e9t\u00e9 compromises pendant le processus de distribution.\n\n9. S\u00e9curit\u00e9 des registres priv\u00e9s : DCT peut \u00eatre utilis\u00e9 pour s\u00e9curiser les registres Docker priv\u00e9s en exigeant que seules les images sign\u00e9es et v\u00e9rifi\u00e9es soient stock\u00e9es et distribu\u00e9es.\n\n10. \u00c9ducation et sensibilisation \u00e0 la s\u00e9curit\u00e9 : DCT peut \u00eatre utilis\u00e9 comme outil p\u00e9dagogique pour sensibiliser les d\u00e9veloppeurs et les \u00e9quipes informatiques \u00e0 l'importance de la s\u00e9curit\u00e9 des conteneurs et de la cha\u00eene d'approvisionnement logicielle.\n\nEn r\u00e9sum\u00e9, Docker Content Trust offre de nombreux avantages en termes de s\u00e9curit\u00e9, de conformit\u00e9 et de confiance dans le d\u00e9ploiement et la distribution d'images Docker.<\/h2>\n<p><span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is particularly beneficial in various scenarios:<\/p>\n<h3>1. Environnements d'entreprise<\/h3>\n<p>Les organisations op\u00e9rant dans des milieux d'entreprise traitent souvent des donn\u00e9es sensibles, ce qui rend cruciale la validation de l'int\u00e9grit\u00e9 de leurs composants logiciels. Le DCT constitue une sauvegarde essentielle, permettant d'\u00e9viter toute modification non autoris\u00e9e des images.<\/p>\n<h3>2. Projets Open Source<\/h3>\n<p>Maintainers of open-source projects can use DCT to sign their images, allowing users to pull only verified versions. This fosters a secure ecosystem where contributors can be confident in the integrity of the images they are using.<\/p>\n<h3>3. Pipelines CI\/CD<\/h3>\n<p>Integrating DCT into CI\/CD pipelines ensures that every <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> being pushed to production is verified and signed. Automation of this process helps maintain security without hindering the speed of deployment.<\/p>\n<h3>4. Multi-Cloud Deployments<\/h3>\n<p>In multi-cloud environments, organizations may pull images from various sources. DCT can help enforce a consistent policy across different clouds, ensuring that regardless of where the <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> comes from, it meets the same integrity standards.<\/p>\n<h2>D\u00e9fis et limites<\/h2>\n<p>While <span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> offers vital security benefits, it\u2019s essential to be aware of some challenges and limitations:<\/p>\n<h3>1. Complexity of Key Management<\/h3>\n<p>La gestion des cl\u00e9s cryptographiques peut introduire de la complexit\u00e9, en particulier dans les grandes organisations. Le stockage s\u00e9curis\u00e9, la rotation et la r\u00e9vocation des cl\u00e9s n\u00e9cessitent des politiques et des pratiques strictes.<\/p>\n<h3>2. Adoption Barriers<\/h3>\n<p>Les \u00e9quipes peuvent r\u00e9sister \u00e0 l'adoption du DCT en raison de la surcharge per\u00e7ue, en particulier dans les petits projets ou les startups. Cependant, les avantages \u00e0 long terme d'une s\u00e9curit\u00e9 renforc\u00e9e l'emportent souvent sur ces obstacles initiaux.<\/p>\n<h3>3. Dependency on Notary<\/h3>\n<p>DCT relies on Notary for signing and verification, meaning that organizations must ensure Notary is correctly configured and maintained. Any issues with Notary can impact <span class=\"glossaryai-tooltip glossary-term-651\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\" target=\"_blank\">image<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/image\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> verification.<\/p>\n<h2>Conclusion<\/h2>\n<p><span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is a powerful tool in the arsenal of modern software development, addressing the critical need for integrity and authenticity in containerized environments. By leveraging cryptographic signing and verification, DCT helps organizations protect their applications from potential threats and fosters a culture of security and trust.<\/p>\n<p>As the adoption of Docker and containerization continues to grow, it\u2019s crucial for developers and organizations to understand, implement, and embrace <span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. Doing so will not only bolster the security of their deployments but will also pave the way for a more reliable and transparent software development lifecycle. With DCT, developers can work with confidence, knowing that the images they deploy are trusted and secure.<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"glossaryai-tooltip glossary-term-1260\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\" target=\"_blank\">Docker Content Trust<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Content Trust (DCT) renforce la s\u00e9curit\u00e9 en permettant des signatures num\u00e9riques pour les images de conteneurs. Cela garantit l'int\u00e9grit\u00e9 et l'authenticit\u00e9, permettant aux utilisateurs de v\u00e9rifier que les images proviennent de sources fiables.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/docker-content-trust\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> (DCT) enhances the security of <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/container\/\" target=\"_blank\">conteneur<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> images en permettant les signatures num\u00e9riques. Cela garantit que seules les images approuv\u00e9es sont extraites et <span class=\"glossaryai-tooltip glossary-term-672\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/fr\/wiki\/run\/\" target=\"_blank\">run<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/fr\/wiki\/run\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, s\u00e9curisant le processus de d\u00e9ploiement.<\/p>","protected":false},"author":1,"featured_media":394,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-introduction-to-docker"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is Docker Content Trust? - Dockerpros<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dockerpros.com\/fr\/introduction-a-docker\/what-is-docker-content-trust\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Docker Content Trust? - Dockerpros\" \/>\n<meta property=\"og:description\" content=\"Docker Content Trust (DCT) enhances the security of container images by enabling digital signatures. 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