{"id":33537,"date":"2023-02-09T13:51:27","date_gmt":"2023-02-09T08:21:27","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-why-does-my-crypt-package-give-me-invalid-magic-prefix-error\/"},"modified":"2023-02-09T13:51:27","modified_gmt":"2023-02-09T08:21:27","slug":"solved-why-does-my-crypt-package-give-me-invalid-magic-prefix-error","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-why-does-my-crypt-package-give-me-invalid-magic-prefix-error\/","title":{"rendered":"[Solved] Why does my crypt package give me invalid magic prefix error?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-51123954\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"51123954\" data-parentid=\"51123718\" data-score=\"5\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<blockquote>\n<p>Why does this happen and how do I resolve it?<\/p>\n<\/blockquote>\n<hr>\n<p>You have an invalid magic prefix.<\/p>\n<hr>\n<blockquote>\n<pre><code>github.com\/tredoe\/osutil\/user\/crypt\/sha512_crypt\/sha512_crypt.go\n\nif !bytes.HasPrefix(salt, c.Salt.MagicPrefix) {\n  return \"\", common.ErrSaltPrefix\n}\n<\/code><\/pre>\n<\/blockquote>\n<p>Read the crypt package code.<\/p>\n<hr>\n<blockquote>\n<p><a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/php.net\/manual\/en\/function.crypt.php\">PHP: crypt \u2014 One-way string<br \/>\n  hashing<\/a><\/p>\n<p><a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/php.net\/manual\/en\/function.password-hash.php\">PHP: password_hash \u2014 Creates a password hash<\/a><\/p>\n<\/blockquote>\n<p>Read the PHP documentation.<\/p>\n<p>See your earlier question: golang equivalent of PHP crypt().<\/p>\n<hr>\n<p>Provide a valid magic prefix.<\/p>\n<hr>\n<p>For example,<\/p>\n<pre><code>package main\n\nimport (\n    \"fmt\"\n\n    \"github.com\/kless\/osutil\/user\/crypt\/sha512_crypt\"\n)\n\nfunc main() {\n    c := sha512_crypt.New()\n    magic := sha512_crypt.MagicPrefix\n    hash, err := c.Generate(\n        []byte(\"enter-new-password\"),\n        []byte(magic+\"$2a$09$f5561d2634fb28a969f2dO8QeQ70f4bjCnF\/.GvPpjj.8jgmtzZP2\"),\n    )\n    if err != nil {\n        panic(err)\n    }\n    fmt.Println(hash)\n}\n<\/code><\/pre>\n<p>Output:<\/p>\n<pre><code>$6$$.AVE44JRnLFr9TZx3zASJX6V3Uu0jpnrOV6fW1T5NHy3MUKPaJXHGvjooxrAkYsuIL2HwS\/sYgzUZ.cg8FTtz\/\n<\/code><\/pre>\n<hr>\n<p>NOTE:<\/p>\n<pre><code>import \"github.com\/kless\/osutil\/user\/crypt\/sha512_crypt\"\n<\/code><\/pre>\n<p>is now an alias for the new location<\/p>\n<pre><code>import \"github.com\/tredoe\/osutil\/user\/crypt\/sha512_crypt\"\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">3<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Why does my crypt package give me invalid magic prefix error? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Why does this happen and how do I resolve it? You have an invalid magic prefix. github.com\/tredoe\/osutil\/user\/crypt\/sha512_crypt\/sha512_crypt.go if !bytes.HasPrefix(salt, c.Salt.MagicPrefix) { return &#8220;&#8221;, common.ErrSaltPrefix } Read the crypt package code. PHP: crypt \u2014 One-way string hashing PHP: password_hash \u2014 Creates a password hash Read the PHP documentation. See your earlier question: golang equivalent of &#8230; <a title=\"[Solved] Why does my crypt package give me invalid magic prefix error?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-why-does-my-crypt-package-give-me-invalid-magic-prefix-error\/\" aria-label=\"More on [Solved] Why does my crypt package give me invalid magic prefix error?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[5979,596],"class_list":["post-33537","post","type-post","status-publish","format-standard","hentry","category-solved","tag-crypt","tag-go"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Why does my crypt package give me invalid magic prefix error? - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-why-does-my-crypt-package-give-me-invalid-magic-prefix-error\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Why does my crypt package give me invalid magic prefix error? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Why does this happen and how do I resolve it? You have an invalid magic prefix. github.com\/tredoe\/osutil\/user\/crypt\/sha512_crypt\/sha512_crypt.go if !bytes.HasPrefix(salt, c.Salt.MagicPrefix) { return &quot;&quot;, common.ErrSaltPrefix } Read the crypt package code. PHP: crypt \u2014 One-way string hashing PHP: password_hash \u2014 Creates a password hash Read the PHP documentation. See your earlier question: golang equivalent of ... 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You have an invalid magic prefix. github.com\/tredoe\/osutil\/user\/crypt\/sha512_crypt\/sha512_crypt.go if !bytes.HasPrefix(salt, c.Salt.MagicPrefix) { return \"\", common.ErrSaltPrefix } Read the crypt package code. PHP: crypt \u2014 One-way string hashing PHP: password_hash \u2014 Creates a password hash Read the PHP documentation. See your earlier question: golang equivalent of ... 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