{"id":125544,"date":"2024-03-24T19:17:54","date_gmt":"2024-03-24T10:17:54","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/"},"modified":"2024-04-04T01:42:45","modified_gmt":"2024-04-03T16:42:45","slug":"messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/","title":{"rendered":"MessageDigest \u306b\u76f8\u5f53\u3059\u308b C# \u306e\u30b3\u30fc\u30c9"},"content":{"rendered":"<p>C# \u3067 MessageDigest \u306e\u540c\u7b49\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">using<\/span> System.Security.Cryptography;\r\n<span class=\"hljs-keyword\">using<\/span> System.Text;\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MessageDigest<\/span>\r\n{\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-built_in\">string<\/span> <span class=\"hljs-title\">GetSHA1<\/span>(<span class=\"hljs-params\"><span class=\"hljs-built_in\">string<\/span> input<\/span>)<\/span>\r\n{\r\n<span class=\"hljs-keyword\">using<\/span> (SHA1Managed sha1 = <span class=\"hljs-keyword\">new<\/span> SHA1Managed())\r\n{\r\n<span class=\"hljs-built_in\">byte<\/span>[] bytes = Encoding.UTF8.GetBytes(input);\r\n<span class=\"hljs-built_in\">byte<\/span>[] hashBytes = sha1.ComputeHash(bytes);\r\n<span class=\"hljs-keyword\">return<\/span> ConvertToHex(hashBytes);\r\n}\r\n}\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-built_in\">string<\/span> <span class=\"hljs-title\">GetMD5<\/span>(<span class=\"hljs-params\"><span class=\"hljs-built_in\">string<\/span> input<\/span>)<\/span>\r\n{\r\n<span class=\"hljs-keyword\">using<\/span> (MD5 md5 = MD5.Create())\r\n{\r\n<span class=\"hljs-built_in\">byte<\/span>[] bytes = Encoding.UTF8.GetBytes(input);\r\n<span class=\"hljs-built_in\">byte<\/span>[] hashBytes = md5.ComputeHash(bytes);\r\n<span class=\"hljs-keyword\">return<\/span> ConvertToHex(hashBytes);\r\n}\r\n}\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-built_in\">string<\/span> <span class=\"hljs-title\">ConvertToHex<\/span>(<span class=\"hljs-params\"><span class=\"hljs-built_in\">byte<\/span>[] bytes<\/span>)<\/span>\r\n{\r\nStringBuilder hexBuilder = <span class=\"hljs-keyword\">new<\/span> StringBuilder();\r\n<span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-built_in\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; bytes.Length; i++)\r\n{\r\nhexBuilder.Append(bytes[i].ToString(<span class=\"hljs-string\">\"x2\"<\/span>));\r\n}\r\n<span class=\"hljs-keyword\">return<\/span> hexBuilder.ToString();\r\n}\r\n}\r\n<\/code><\/pre>\n<p>MessageDigest.GetSHA1(input)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5165\u529b\u6587\u5b57\u5217\u306eSHA-1\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002MessageDigest.GetMD5(input)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5165\u529b\u6587\u5b57\u5217\u306eMD5\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\u3001<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-built_in\">string<\/span> input = <span class=\"hljs-string\">\"Hello World\"<\/span>;\r\n<span class=\"hljs-built_in\">string<\/span> sha1Hash = MessageDigest.GetSHA1(input);\r\n<span class=\"hljs-built_in\">string<\/span> md5Hash = MessageDigest.GetMD5(input);\r\nConsole.WriteLine(<span class=\"hljs-string\">\"SHA-1 Hash: \"<\/span> + sha1Hash);\r\nConsole.WriteLine(<span class=\"hljs-string\">\"MD5 Hash: \"<\/span> + md5Hash);\r\n<\/code><\/pre>\n<p>\uff2f\uff35\uff34\uff30\uff35\uff34\uff1a<\/p>\n<pre class=\"post-pre\"><code>SHA-1 Hash: 0a4d55a8d778e5022fab701977c5d840bbc486d0\r\nMD5 Hash: ed076287532e86365e841e92bfc50d8c\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>C# \u3067 MessageDigest \u306e\u540c\u7b49\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059 using System.Security.Cryptography; using System.Text; public class Mess [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-125544","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MessageDigest \u306b\u76f8\u5f53\u3059\u308b C# \u306e\u30b3\u30fc\u30c9 - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/ja\/blog\/messagedigest-\u306b\u76f8\u5f53\u3059\u308b-c-\u306e\u30b3\u30fc\u30c9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MessageDigest \u306b\u76f8\u5f53\u3059\u308b C# \u306e\u30b3\u30fc\u30c9\" \/>\n<meta property=\"og:description\" content=\"C# \u3067 MessageDigest \u306e\u540c\u7b49\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059 using System.Security.Cryptography; 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using System.Text; public class Mess [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-\u306b\u76f8\u5f53\u3059\u308b-c-\u306e\u30b3\u30fc\u30c9\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-24T10:17:54+00:00","article_modified_time":"2024-04-03T16:42:45+00:00","author":"\u84ee, \u7ffc","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u84ee, \u7ffc","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"1\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/","name":"MessageDigest \u306b\u76f8\u5f53\u3059\u308b C# \u306e\u30b3\u30fc\u30c9 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-24T10:17:54+00:00","dateModified":"2024-04-03T16:42:45+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"MessageDigest \u306b\u76f8\u5f53\u3059\u308b C# \u306e\u30b3\u30fc\u30c9"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413","name":"\u84ee, \u7ffc","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g","caption":"\u84ee, \u7ffc"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/rentsubasa\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/messagedigest-%e3%81%ab%e7%9b%b8%e5%bd%93%e3%81%99%e3%82%8b-c-%e3%81%ae%e3%82%b3%e3%83%bc%e3%83%89\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/125544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=125544"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/125544\/revisions"}],"predecessor-version":[{"id":251758,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/125544\/revisions\/251758"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=125544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=125544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=125544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}