{"id":16075,"date":"2021-08-28T14:30:11","date_gmt":"2021-08-28T13:30:11","guid":{"rendered":"https:\/\/ekiwi-blog.de\/?p=16075"},"modified":"2021-08-28T14:31:01","modified_gmt":"2021-08-28T13:31:01","slug":"check-hash-values-of-downloads-with-windows","status":"publish","type":"post","link":"https:\/\/ekiwi-blog.de\/en\/16075\/check-hash-values-of-downloads-with-windows\/","title":{"rendered":"Check hash values of downloads with Windows"},"content":{"rendered":"<p>Downloads often display hash values to verify the integrity of the downloaded file. Most often it is a SHA256 value and we look at how we can check it with Windows integrated tools.<\/p>\n<p><!--more--><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ekiwi-blog.de\/en\/16075\/check-hash-values-of-downloads-with-windows\/#Video_tutorial\" >Video tutorial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ekiwi-blog.de\/en\/16075\/check-hash-values-of-downloads-with-windows\/#Instruction\" >Instruction<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Video_tutorial\"><\/span>Video tutorial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/znq5VLv29u0\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Instruction\"><\/span>Instruction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Let&#8217;s assume we want to download a recent Xubuntu version. The download is made available on many servers. Now we want to check if it is the right file and the file has not been replaced and we may be downloading a malicious version.<\/p>\n<p>On the Xubuntu homepage, in addition to the download link, there is also the checksum in SHA256 format.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2021\/06\/hash_1.png\" alt=\"\" width=\"687\" height=\"197\" class=\"aligncenter size-full wp-image-15588\" srcset=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2021\/06\/hash_1.png 687w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2021\/06\/hash_1-300x86.png 300w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><\/p>\n<p>By means of this we can check the download. <\/p>\n<p>If we click the link, we will find a very long string, this is the hash value.<\/p>\n<pre>\r\nc59c3bb825294dbf76fd3a5dfa3fd5de9e854934b7c9aa6258105b6648979cd5 *xubuntu-20.04.2.0-desktop-amd64.iso\r\n<\/pre>\n<p>By means of this, the download can be verified. We can do this via powershell using windows boot means.<\/p>\n<pre>\r\nGet-Filehash download-file.iso -Algorithm SHA256\r\n<\/pre>\n<p>The hash value is determined and output. Afterwards we can compare the value. In our case it matches and we have downloaded the correct file.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2021\/06\/hash_2.png\" alt=\"\" width=\"859\" height=\"224\" class=\"aligncenter size-full wp-image-15589\" srcset=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2021\/06\/hash_2.png 859w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2021\/06\/hash_2-300x78.png 300w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2021\/06\/hash_2-768x200.png 768w\" sizes=\"auto, (max-width: 859px) 100vw, 859px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Downloads often display hash values to verify the integrity of the downloaded file. Most often it is a SHA256 value<\/p>\n","protected":false},"author":1,"featured_media":14619,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1555],"tags":[1557,1559,1558],"class_list":["post-16075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-en","tag-hash","tag-tutorial-en","tag-windows-en"],"_links":{"self":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/posts\/16075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/comments?post=16075"}],"version-history":[{"count":0,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/posts\/16075\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/media\/14619"}],"wp:attachment":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/media?parent=16075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/categories?post=16075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/tags?post=16075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}