From f754a1a548f2e599e4cc2d1d799f2d21b520076f Mon Sep 17 00:00:00 2001
From: JosJuice <josjuice@gmail.com>
Date: Mon, 5 Aug 2019 13:58:27 +0200
Subject: VolumeVerifier: Don't read data multiple times

---
 Source/Core/DiscIO/VolumeWad.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Source/Core/DiscIO/VolumeWad.cpp')

diff --git a/Source/Core/DiscIO/VolumeWad.cpp b/Source/Core/DiscIO/VolumeWad.cpp
index cc83f59081..e471edcd1d 100644
--- a/Source/Core/DiscIO/VolumeWad.cpp
+++ b/Source/Core/DiscIO/VolumeWad.cpp
@@ -156,6 +156,9 @@ bool VolumeWAD::CheckContentIntegrity(const IOS::ES::Content& content,
                                       const std::vector<u8>& encrypted_data,
                                       const IOS::ES::TicketReader& ticket) const
 {
+  if (encrypted_data.size() != Common::AlignUp(content.size, 0x40))
+    return false;
+
   mbedtls_aes_context context;
   const std::array<u8, 16> key = ticket.GetTitleKey();
   mbedtls_aes_setkey_dec(&context, key.data(), 128);
-- 
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