ini

GenerateRsaKeys.cs

@@ -0,0 +1,32 @@
+using System.Security.Cryptography;
+
+namespace AuthHex;
+
+/// <summary>
+/// Utility class to generate RSA key pairs for JWT authentication.
+/// Run this once to generate keys and copy them to appsettings.json
+/// </summary>
+public class RsaKeyGenerator
+{
+    public static void GenerateAndPrintKeys()
+    {
+        using var rsa = RSA.Create(2048);
+        
+        var privateKey = rsa.ToXmlString(true);  // includes private key
+        var publicKey = rsa.ToXmlString(false);   // public key only
+        
+        Console.WriteLine("=== RSA Private Key (Keep this SECRET!) ===");
+        Console.WriteLine(privateKey);
+        Console.WriteLine();
+        
+        Console.WriteLine("=== RSA Public Key ===");
+        Console.WriteLine(publicKey);
+        Console.WriteLine();
+        
+        Console.WriteLine("Copy the Private Key to appsettings.json -> Jwt:RsaPrivateKey");
+        Console.WriteLine("Copy the Public Key to appsettings.json -> Jwt:RsaPublicKey");
+        Console.WriteLine();
+        Console.WriteLine("IMPORTANT: Never commit the private key to source control!");
+        Console.WriteLine("Consider using Azure Key Vault or environment variables for production.");
+    }
+}