{"id":3228,"date":"2018-10-20T10:20:31","date_gmt":"2018-10-20T08:20:31","guid":{"rendered":"http:\/\/www.unicoda.com\/?p=3228"},"modified":"2018-10-16T07:22:21","modified_gmt":"2018-10-16T05:22:21","slug":"chiffrer-un-fichier-protege-par-mot-de-passe","status":"publish","type":"post","link":"https:\/\/www.unicoda.com\/?p=3228","title":{"rendered":"Chiffrer un fichier (prot\u00e9g\u00e9 par mot de passe)"},"content":{"rendered":"<p>Petit point rapide sur la fa\u00e7on de chiffrer un fichier avec gpg et une protection par mot de passe. Tr\u00e8s utile par exemple s&rsquo;assurer qu&rsquo;un contenu\u00a0 ne sera lisible qu&rsquo;apr\u00e8s une manipulation d&rsquo;un utilisateur disposant du mot de passe. Par exemple, s&rsquo;assurer que la sauvegarde d&rsquo;une cl\u00e9 PGP ma\u00eetresse reste illisible m\u00eame apr\u00e8s montage et ouverture du support de stockage chiffr\u00e9.<\/p>\n<pre>gpg -ca archive.tar<\/pre>\n<p>Il est possible de se limiter \u00e0 l&rsquo;option <em>c<\/em> de chiffrement sym\u00e9trique. L&rsquo;option &#8211;<em>a<\/em>\u00a0 permet de forcer la sortie en ASCII et n&rsquo;est donc pas forc\u00e9ment n\u00e9cessaire.<\/p>\n<p>L&rsquo;op\u00e9ration de d\u00e9chiffrement s&rsquo;effectue de la mani\u00e8re suivante :<\/p>\n<pre>gpg archive.tar.asc<\/pre>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Petit point rapide sur la fa\u00e7on de chiffrer un fichier avec gpg et une protection par mot de passe. Tr\u00e8s utile par exemple s&rsquo;assurer qu&rsquo;un contenu\u00a0 ne sera lisible qu&rsquo;apr\u00e8s une manipulation d&rsquo;un utilisateur disposant du mot de passe. Par exemple, s&rsquo;assurer que la sauvegarde d&rsquo;une cl\u00e9 PGP ma\u00eetresse reste illisible m\u00eame apr\u00e8s montage et &hellip; <a href=\"https:\/\/www.unicoda.com\/?p=3228\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Chiffrer un fichier (prot\u00e9g\u00e9 par mot de passe)&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[377],"tags":[382],"class_list":["post-3228","post","type-post","status-publish","format-standard","hentry","category-crypto","tag-gpg"],"_links":{"self":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/3228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3228"}],"version-history":[{"count":4,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/3228\/revisions"}],"predecessor-version":[{"id":3320,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/3228\/revisions\/3320"}],"wp:attachment":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}