{"id":1886,"date":"2024-01-25T06:04:00","date_gmt":"2024-01-25T06:04:00","guid":{"rendered":"https:\/\/certera.com\/kb\/?p=1886"},"modified":"2024-10-08T09:46:43","modified_gmt":"2024-10-08T09:46:43","slug":"how-to-manually-create-a-csr-certificate-signing-request-using-openssl","status":"publish","type":"post","link":"https:\/\/certera.com\/kb\/how-to-manually-create-a-csr-certificate-signing-request-using-openssl\/","title":{"rendered":"How to Manually Create a CSR (Certificate Signing Request) Using OpenSSL?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">If you want to manually generate a certificate signing request for securing the server but aren&#8217;t aware of the know-how, there is no need to &#8211; fret! As you have landed on the right article. In this article, we will explore &#8211; &#8220;How to generate CSR manually using OpenSSL?&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before exploring the step-by-step instructions to generate a CSR manually using OpenSSL, let&#8217;s analyze and comprehend &#8211; &#8220;What exactly is OpenSSL?&#8221; Understanding this will help you grasp the process in a better way and widen your knowledge in this respective domain.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/certera.com\/\"><img decoding=\"async\" width=\"960\" height=\"150\" sizes=\"(max-width: 960px) 100vw, 960px\" src=\"https:\/\/certera.com\/kb\/wp-content\/uploads\/2024\/05\/buy-ssl-certificates-cta-jpg.webp\" alt=\"Buy SSL Certificates\" class=\"wp-image-2028\" srcset=\"https:\/\/certera.com\/kb\/wp-content\/uploads\/2024\/05\/buy-ssl-certificates-cta-jpg.webp 960w, https:\/\/certera.com\/kb\/wp-content\/uploads\/2024\/05\/buy-ssl-certificates-cta-300x47.webp 300w, https:\/\/certera.com\/kb\/wp-content\/uploads\/2024\/05\/buy-ssl-certificates-cta-768x120.webp 768w\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What is OpenSSL?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OpenSSL is an open-source software library. It offers a commercial-grade and full-featured toolkit for Secure Sockets Layer protocols and is widely employed to shield communications over computer networks against cyber attacks like &#8211; eavesdropping.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The library also consists of cryptographic library functions that enable encryption and decryption, maintaining privacy and security during data exchanges.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Now that we have some understanding of OpenSSL let&#8217;s move on to the main topic &#8211; Creating CSR manually using OpenSSL.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recommended:<\/strong> <a href=\"https:\/\/certera.com\/kb\/what-is-openssl-useful-openssl-commands-to-work-with-ssl-certificates\/\">What is OpenSSL? Useful OpenSSL Commands to Work with SSL Certificates<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Manually Create CSR Using OpenSSL?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here are the steps to manually create CSR using OpenSSL:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 1: <\/strong>Download and <strong>Install OpenSSL<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 2: Setup OpenSSL<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 3: Generate a Certificate Signing Request<\/strong> using OpenSSL<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s explore each of these steps in-depth.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Download and Install OpenSSL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the steps mentioned below to download and install OpenSSL on your Windows device:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Click <strong>Search<\/strong>, placed on the taskbar.<\/li>\n\n\n\n<li>Type <strong>Chrome <\/strong>and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>The <strong>Chrome <\/strong>browser window will open.<\/li>\n\n\n\n<li>In the URL bar, type <strong>https:\/\/slproweb.com\/products\/Win32OpenSSL.html<\/strong>.<\/li>\n\n\n\n<li>Press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>Scroll to the <strong>Download Win32\/Win64 OpenSSL <\/strong>table.<\/li>\n\n\n\n<li>Select and download one of the <strong>non-light editions<\/strong> of the installer.<\/li>\n\n\n\n<li>Double-click the <strong>OpenSSL<\/strong> file.<\/li>\n\n\n\n<li>Follow the default settings to finish the <strong>OpenSSL <\/strong>installation.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Setup OpenSSL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the steps mentioned below to setup OpenSSL on your Windows device:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Click <strong>Search <\/strong>placed on the taskbar.<\/li>\n\n\n\n<li>Type <strong>CMD <\/strong>and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>The <strong>Command Prompt<\/strong> window will appear.<\/li>\n\n\n\n<li>Type the <strong>cd \\OpenSSL-Win32 <\/strong>command and press<strong> Enter<\/strong>.<\/li>\n\n\n\n<li>Verify that the line changed to <strong>C:\\OpenSSL-Win32<\/strong>.<\/li>\n\n\n\n<li>Type <strong>set OPENSSL_CONF=c:\\OpenSSL-Win32\\bin\\openssl.cfg <\/strong>command and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li><strong>Restart <\/strong>your <strong>Windows <\/strong>device.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Generate a Certificate Signing Request using OpenSSL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the steps mentioned below to generate a code signing request using OpenSSL:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Click <strong>Search<\/strong>, placed on the taskbar.<\/li>\n\n\n\n<li>Type <strong>CMD <\/strong>and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>The <strong>Command Prompt <\/strong>window will appear.<\/li>\n\n\n\n<li>In the <strong>Command Prompt <\/strong>window, type <strong>cd \\OpenSSL-Win32\\bin <\/strong>command and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>Verify that the line changed to <strong>C:\\OpenSSL-Win32\\bin<\/strong>.<\/li>\n\n\n\n<li>Type the <strong>openssl genrsa -out private-key.key 2048 <\/strong>command and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>Type the <strong>openssl req -new -key private-key.key -out csr.txt <\/strong>command and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>Enter the required information in the respective fields:<ul><li>In the <strong>Country Name <\/strong>field, type the <strong>two-letter code<\/strong> of the country where the organization is situated.In the <strong>State <\/strong>field, type the <strong>name of the state<\/strong> where the organization requesting the SSL cert is located.In the <strong>City or Locality <\/strong>field, type the <strong>name of the city or town<\/strong> where the organization is situated or located.In the <strong>Company <\/strong>or <strong>Organization <\/strong>field, type the <strong>full legal name<\/strong> of the organization.In the <strong>OrganizationalOrganizational Unit <\/strong>field, type the <strong>department name <\/strong>or organization unit making the request.<\/li><\/ul>\n<ul class=\"wp-block-list\">\n<li>In the <strong>Common Name<\/strong> field, type the <strong>Fully Qualified Domain Name<\/strong> that you want to shield.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Verify that a <strong>public\/private key pair<\/strong> is created.<\/li>\n\n\n\n<li>Type the commands given below to move the <strong>private key <\/strong>and <strong>CSR <\/strong>file to a centralized directory, and press <strong>Enter <\/strong>after entering each command:<ul><li><strong>md c:\\certificate<\/strong><\/li><\/ul><ul><li><strong>move private-key.key c:\\certificate<\/strong><\/li><\/ul>\n<ul class=\"wp-block-list\">\n<li><strong>move csr.txt c:\\certificate<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>The CSR file is ready to use for certificate enrollment.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alternate Option: <\/strong><a href=\"https:\/\/certera.com\/ssl-tools\/csr-generator\">Save Time with Free Online CSR Generator Tools<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Open the Certificate Signing Request File?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the steps mentioned below to open the created code signing request file:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Click <strong>Search<\/strong>, placed on the taskbar.<\/li>\n\n\n\n<li>Type <strong>CMD <\/strong>and press <strong>Enter<\/strong>.<\/li>\n\n\n\n<li>The <strong>Command Prompt <\/strong>window will appear.<\/li>\n\n\n\n<li>In the <strong>Command Prompt <\/strong>window, type the <strong>notepad c:\\certificate\\csr.txt <\/strong>command and press <strong>Enter<\/strong>. (Change the name of the file in the command.)<\/li>\n\n\n\n<li>A <strong>Notepad <\/strong>will appear with the encoded data needed to enroll for an SSL cert.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Now, what&#8217;s left is to copy the encoded text and paste it into the required field to proceed with the <a href=\"https:\/\/certera.com\/kb\/ssl-installation\/\">SSL Certificate Installation<\/a>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you want to manually generate a certificate signing request for securing the server but aren&#8217;t aware of the know-how, there is no need to &#8211; fret! As you have landed on the right article. In this article, we will explore &#8211; &#8220;How to generate CSR manually using OpenSSL?&#8221; Before exploring the step-by-step instructions to<span class=\"morelink d-block mt-3\"><a href=\"https:\/\/certera.com\/kb\/how-to-manually-create-a-csr-certificate-signing-request-using-openssl\/\">Read More<\/a><\/span><\/p>\n","protected":false},"author":5,"featured_media":1900,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50],"tags":[317,318],"class_list":["post-1886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-generate-csr","tag-generate-a-csr-using-openssl","tag-manually-certificate-signing-request-using-openssl","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Manually Generate Certificate Signing Request (CSR) using OpenSSL<\/title>\n<meta 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