From ef9f050fbf31f30b1c9e4dc5c620557c2285e983 Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Sat, 27 Sep 2025 21:47:55 -0400
Subject: [PATCH] Signature is clearly a string

---
 SabreTools.Serialization/Models/SecuROM/AddD.cs | 4 ++--
 SabreTools.Serialization/Readers/SecuROMAddD.cs | 6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/SabreTools.Serialization/Models/SecuROM/AddD.cs b/SabreTools.Serialization/Models/SecuROM/AddD.cs
index e1761801..89477bf6 100644
--- a/SabreTools.Serialization/Models/SecuROM/AddD.cs
+++ b/SabreTools.Serialization/Models/SecuROM/AddD.cs
@@ -11,9 +11,9 @@
     public sealed class AddD
     {
         /// <summary>
-        /// "AddD", Identifier?
+        /// "AddD"
         /// </summary>
-        public uint Signature { get; set; }
+        public string? Signature { get; set; }
 
         /// <summary>s
         /// Unknown (Entry count?)
diff --git a/SabreTools.Serialization/Readers/SecuROMAddD.cs b/SabreTools.Serialization/Readers/SecuROMAddD.cs
index 771c4e06..d95f1661 100644
--- a/SabreTools.Serialization/Readers/SecuROMAddD.cs
+++ b/SabreTools.Serialization/Readers/SecuROMAddD.cs
@@ -2,6 +2,7 @@ using System.IO;
 using System.Text;
 using SabreTools.Data.Models.SecuROM;
 using SabreTools.IO.Extensions;
+using static SabreTools.Data.Models.SecuROM.Constants;
 
 namespace SabreTools.Serialization.Readers
 {
@@ -20,7 +21,7 @@ namespace SabreTools.Serialization.Readers
                 long initialOffset = data.Position;
 
                 var addD = ParseAddD(data);
-                if (addD.Signature != 0x44646441)
+                if (addD.Signature != AddDMagicString)
                     return null;
 
                 return addD;
@@ -41,7 +42,8 @@ namespace SabreTools.Serialization.Readers
         {
             var obj = new AddD();
 
-            obj.Signature = data.ReadUInt32LittleEndian();
+            byte[] signatureBytes = data.ReadBytes(4);
+            obj.Signature = Encoding.ASCII.GetString(signatureBytes);
             obj.EntryCount = data.ReadUInt32LittleEndian();
             obj.Version = data.ReadNullTerminatedAnsiString();
             byte[] buildBytes = data.ReadBytes(4);