From 1874d33c0b9e69cd6e3528d07f762d1ef1f1959d Mon Sep 17 00:00:00 2001
From: Gareth Poole <Gareth422@users.noreply.github.com>
Date: Sat, 10 Oct 2015 21:50:10 -0400
Subject: Loader: Implement encryption check

---
 src/core/loader/ncch.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/core/loader/ncch.cpp')

diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp
index 094d741007..c67d25b55f 100644
--- a/src/core/loader/ncch.cpp
+++ b/src/core/loader/ncch.cpp
@@ -266,6 +266,11 @@ ResultStatus AppLoader_NCCH::Load() {
     LOG_DEBUG(Loader, "Thread priority:             0x%X"  , priority);
     LOG_DEBUG(Loader, "Resource limit category:     %d"    , resource_limit_category);
 
+    if (exheader_header.arm11_system_local_caps.program_id != ncch_header.program_id) {
+        LOG_ERROR(Loader, "ExHeader Program ID mismatch: the ROM is probably encrypted.");
+        return ResultStatus::ErrorEncrypted;
+    }
+
     // Read ExeFS...
 
     exefs_offset = ncch_header.exefs_offset * kBlockSize;
-- 
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