diff --git a/Reader/Data/ImageFlash.cs b/Reader/Data/ImageFlash.cs
index 89517e9..376f603 100644
--- a/Reader/Data/ImageFlash.cs
+++ b/Reader/Data/ImageFlash.cs
@@ -9,7 +9,7 @@ using System.Text;
 
 namespace Img2Ffu.Reader.Data
 {
-    internal class ImageFlash
+    public class ImageFlash
     {
         public ImageHeader ImageHeader;
         public string ManifestData = "";
diff --git a/Reader/Data/SignedImage.cs b/Reader/Data/SignedImage.cs
index 5a7a88a..940d893 100644
--- a/Reader/Data/SignedImage.cs
+++ b/Reader/Data/SignedImage.cs
@@ -10,7 +10,7 @@ using System.Text;
 
 namespace Img2Ffu.Reader.Data
 {
-    internal class SignedImage
+    public class SignedImage
     {
         public SecurityHeader SecurityHeader;
         public byte[] Catalog;
diff --git a/Reader/Data/Store.cs b/Reader/Data/Store.cs
index 9d6a041..c1ff293 100644
--- a/Reader/Data/Store.cs
+++ b/Reader/Data/Store.cs
@@ -6,7 +6,7 @@ using System.Text;
 
 namespace Img2Ffu.Reader.Data
 {
-    internal class Store
+    public class Store
     {
         public StoreHeader StoreHeader;
         public uint CompressionAlgorithm;
diff --git a/Reader/Data/ValidationDescriptor.cs b/Reader/Data/ValidationDescriptor.cs
index c42eb63..ef583d8 100644
--- a/Reader/Data/ValidationDescriptor.cs
+++ b/Reader/Data/ValidationDescriptor.cs
@@ -4,7 +4,7 @@ using System.IO;
 
 namespace Img2Ffu.Reader.Data
 {
-    internal class ValidationDescriptor
+    public class ValidationDescriptor
     {
         public ValidationEntry ValidationEntry;
         public byte[] ValidationBytes;
diff --git a/Reader/Data/WriteDescriptor.cs b/Reader/Data/WriteDescriptor.cs
index 559896f..1f51ad0 100644
--- a/Reader/Data/WriteDescriptor.cs
+++ b/Reader/Data/WriteDescriptor.cs
@@ -7,7 +7,7 @@ using System.Text;
 
 namespace Img2Ffu.Reader.Data
 {
-    internal class WriteDescriptor
+    public class WriteDescriptor
     {
         public BlockDataEntry BlockDataEntry;
         public uint DataSize;
diff --git a/Reader/Enums/FFUVersion.cs b/Reader/Enums/FFUVersion.cs
index 80bd67c..6ce140b 100644
--- a/Reader/Enums/FFUVersion.cs
+++ b/Reader/Enums/FFUVersion.cs
@@ -1,6 +1,6 @@
 namespace Img2Ffu.Reader.Enums
 {
-    internal enum FFUVersion
+    public enum FFUVersion
     {
         V1,
         V1_COMPRESSED,