From da196e845feb678eff58c184a339ffbeedfcd305 Mon Sep 17 00:00:00 2001
From: Maschell <Maschell@gmx.de>
Date: Tue, 30 Apr 2019 14:26:02 +0200
Subject: [PATCH] Force an 0x10 alignment of the offset when trying to decrypt
 a file

---
 .../mas/wiiu/jnus/implementations/FSTDataProviderNUSTitle.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/de/mas/wiiu/jnus/implementations/FSTDataProviderNUSTitle.java b/src/de/mas/wiiu/jnus/implementations/FSTDataProviderNUSTitle.java
index d434e23..0bb54a7 100644
--- a/src/de/mas/wiiu/jnus/implementations/FSTDataProviderNUSTitle.java
+++ b/src/de/mas/wiiu/jnus/implementations/FSTDataProviderNUSTitle.java
@@ -84,6 +84,9 @@ public class FSTDataProviderNUSTitle implements FSTDataProvider, HasNUSTitle {
             outputStream.close();
             return false;
         }
+        if (offset % 16 != 0) {
+            throw new IOException("The offset for decryption need to be aligned to 16");
+        }
 
         Content c = title.getTMD().getContentByIndex(entry.getContentIndex());