{"id":1495,"date":"2024-01-17T05:46:29","date_gmt":"2024-01-17T05:46:29","guid":{"rendered":"https:\/\/www.devopssupport.in\/blog\/?p=1495"},"modified":"2024-01-17T05:46:31","modified_gmt":"2024-01-17T05:46:31","slug":"unsupported-cipher-or-incorrect-key-length-supported-ciphers-are-aes-128-cbc","status":"publish","type":"post","link":"https:\/\/www.devopssupport.in\/blog\/unsupported-cipher-or-incorrect-key-length-supported-ciphers-are-aes-128-cbc\/","title":{"rendered":"Unsupported Cipher or Incorrect Key Length.\u00a0Supported ciphers are: aes-128-cbc,"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"371\" src=\"https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2024\/01\/image-12-1024x371.png\" alt=\"\" class=\"wp-image-1496\" srcset=\"https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2024\/01\/image-12-1024x371.png 1024w, https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2024\/01\/image-12-300x109.png 300w, https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2024\/01\/image-12-768x278.png 768w, https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2024\/01\/image-12-1536x556.png 1536w, https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2024\/01\/image-12.png 1774w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Laravel, known for its elegance and simplicity, occasionally throws unexpected errors that may leave developers scratching their heads. One such issue is the <code>RuntimeException<\/code> with an HTTP 500 Internal Server Error, accompanied by a message indicating &#8220;Unsupported cipher or incorrect key length.&#8221; This error usually occurs due to misconfigurations related to the application key. <\/p>\n\n\n\n<p>This error points to an inconsistency in the cipher or key length used for encryption in Laravel. It highlights that the application is trying to use an unsupported cipher or that the provided key length is incorrect.<\/p>\n\n\n\n<p>To resolve the <code>RuntimeException<\/code> with the &#8220;Unsupported cipher or incorrect key length&#8221; error in Laravel, follow these steps:<\/p>\n\n\n\n<p><strong>Generate a New Application Key:<\/strong><\/p>\n\n\n\n<p>Run the following command to generate a new application key. Ensure that you are in the root directory of your Laravel project:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>php artisan key:generate\r\n<\/code><\/pre>\n\n\n\n<p>This command generates a new application key, and Laravel will use the correct ciphers and key length.<\/p>\n\n\n\n<p>Clear the configuration cache to apply the changes. Run these commands in your terminal:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>php artisan config:clear\r\nphp artisan config:cache\r\n<\/code><\/pre>\n\n\n\n<p>This ensures that Laravel picks up the updated configuration files, including the new application key.<\/p>\n\n\n\n<p>Open your <code>.env<\/code> file and verify that the <code>APP_KEY<\/code> line looks correct. Sometimes, running <code>key:generate<\/code> multiple times may introduce errors. Ensure that there is only one <code>base64=<\/code> key in the <code>APP_KEY<\/code> line:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>APP_KEY=base64:YourGeneratedKeyHere\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Laravel, known for its elegance and simplicity, occasionally throws unexpected errors that may leave developers scratching their heads. One such issue is the RuntimeException with an HTTP&#8230; <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1495","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts\/1495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/comments?post=1495"}],"version-history":[{"count":1,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts\/1495\/revisions"}],"predecessor-version":[{"id":1497,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts\/1495\/revisions\/1497"}],"wp:attachment":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/media?parent=1495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/categories?post=1495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/tags?post=1495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}