diff --git a/ClientCredential.cs b/ClientCredential.cs
new file mode 100644
index 0000000..9fe301e
--- /dev/null
+++ b/ClientCredential.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NSspi
+{
+    class ClientCredential
+    {
+    }
+}
diff --git a/ServerCredential.cs b/ServerCredential.cs
new file mode 100644
index 0000000..658a0b9
--- /dev/null
+++ b/ServerCredential.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NSspi
+{
+    public class ServerCredential : Credential
+    {
+        public ServerCredential( SecurityPackage package ) : base( package, CredentialType.Server ) { }
+    }
+}