feat(batch9): implement f1 auth and dirstore foundations

dotnet/src/ZB.MOM.NatsNet.Server/NatsServer.Reload.cs

@@ -14,7 +14,6 @@
 // Adapted from server/reload.go in the NATS server Go source.
 
 using System.Reflection;
-using System.Security.Cryptography;
 using System.Text.Json;
 using ZB.MOM.NatsNet.Server.Auth;
 using ZB.MOM.NatsNet.Server.Internal;
@@ -1331,26 +1330,7 @@ public sealed partial class NatsServer
 
     private static bool MatchesPinnedCert(ClientConnection client, PinnedCertSet? pinnedCerts)
     {
-        if (pinnedCerts == null || pinnedCerts.Count == 0)
-            return true;
-
-        var certificate = client.GetTlsCertificate();
-        if (certificate == null)
-            return false;
-
-        byte[] keyBytes;
-        try
-        {
-            keyBytes = certificate.PublicKey.ExportSubjectPublicKeyInfo();
-        }
-        catch
-        {
-            keyBytes = certificate.GetPublicKey();
-        }
-
-        var hash = SHA256.HashData(keyBytes);
-        var hex = Convert.ToHexString(hash).ToLowerInvariant();
-        return pinnedCerts.Contains(hex);
+        return client.MatchesPinnedCert(pinnedCerts);
     }
 }