diff --git a/TwlBkpCheck/Windows/FalsifyTwlBackup/Program.cs b/TwlBkpCheck/Windows/FalsifyTwlBackup/Program.cs
index 6adbd58..5ba6a74 100644
--- a/TwlBkpCheck/Windows/FalsifyTwlBackup/Program.cs
+++ b/TwlBkpCheck/Windows/FalsifyTwlBackup/Program.cs
@@ -1089,14 +1089,17 @@ namespace FalsifyTwlBackup
       {
         prop.macKeyData[i] = Convert.ToByte(macKeyString[i], 16);
       }
+      
+      // ファイル名の出力 + 鍵データの dump
+      Console.WriteLine("Twl Backup File : {0}", twlBackupName);
+      Console.Write("Block Key File  : {0}, ", keyName);
+      dumpArray("", prop.keyData);
+      Console.Write("MAC Key Data    : {0}, ", macKeyData);
+      dumpArray("", prop.macKeyData);
 
       // バックアップデータを復号化
       prop.decryptedBlocks = Utility.DecryptBackupData(twlBackupData, prop.keyData);
 
-      Console.WriteLine("Twl Backup Data : {0}", twlBackupName);
-      Console.WriteLine("Block KeyData   : {0}", keyName);
-      Console.WriteLine("MAC Key Data    : {0}", macKeyData);
-
       //==========================================
       // 改ざん＆ファイル出力
       Console.WriteLine("Start ------------");
@@ -1106,5 +1109,17 @@ namespace FalsifyTwlBackup
       Console.WriteLine("Complete  --------");
       Console.WriteLine("Output Dir: {0}", prop.outFolderPath);
     }
+
+    // byte 配列の 16 進表示
+    static void dumpArray(String msg, byte[] array)
+    {
+        Console.Write(msg);
+        foreach (byte b in array)
+        {
+            Console.Write(String.Format("{0,0:X2} ", b));
+        }
+        Console.WriteLine();
+    }
+
   }
 }
diff --git a/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj b/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj
index 5df42c7..e41b545 100644
--- a/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj
+++ b/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj
@@ -38,6 +38,7 @@
     <WarningLevel>4</WarningLevel>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DocumentationFile>document.xml</DocumentationFile>
+    <NoWarn>1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />