Changes

rag-api/Services/HashHelper.cs

@@ -0,0 +1,14 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Api.Services;
+
+public static class HashHelper
+{
+    public static string Compute(string value)
+    {
+        using var sha = SHA256.Create();
+        var bytes = sha.ComputeHash(Encoding.UTF8.GetBytes(value ?? string.Empty));
+        return Convert.ToHexString(bytes);
+    }
+}