Add fvinfo to CDKey; add note

BurnOutSharp/ProtectionType/CDKey.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using BurnOutSharp.Matching;
 using BurnOutSharp.Tools;
 
@@ -24,6 +25,28 @@ namespace BurnOutSharp.ProtectionType
         }
 
         /// <inheritdoc/>
-        public string CheckContents(string file, byte[] fileContent, bool includeDebug = false) => null;
+        public string CheckContents(string file, byte[] fileContent, bool includeDebug = false)
+        {
+            // Get the sections from the executable, if possible
+            // PortableExecutable pex = PortableExecutable.Deserialize(fileContent, 0);
+            // var sections = pex?.SectionTable;
+            // if (sections == null)
+            //     return null;
+            
+            // TODO: Implement resource finding instead of using the built in methods
+            // Assembly information lives in the .rsrc section
+            // I need to find out how to navigate the resources in general
+            // as well as figure out the specific resources for both
+            // file info and MUI (XML) info. Once I figure this out,
+            // that also opens the doors to easier assembly XML checks.
+
+            var fvinfo = Utilities.GetFileVersionInfo(file);
+
+            string name = fvinfo?.InternalName?.Trim();
+            if (!string.IsNullOrWhiteSpace(name) && name.Equals("CDKey", StringComparison.OrdinalIgnoreCase))
+                return "CD-Key / Serial";
+
+            return null;
+        }
     }
 }