From 36bda1cb58fde00acd69cdc4959a18fe0411dd7a Mon Sep 17 00:00:00 2001
From: Steveice10 <1269164+Steveice10@users.noreply.github.com>
Date: Sun, 26 Mar 2023 19:58:33 -0700
Subject: [PATCH] Remove incorrect ExeFS header hash validation.

---
 ctrtool/deps/libnintendo-n3ds/src/ExeFsSnapshotGenerator.cpp | 4 ++--
 ctrtool/src/ExeFsProcess.cpp                                 | 4 ++--
 ctrtool/src/NcchProcess.cpp                                  | 3 +--
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/ctrtool/deps/libnintendo-n3ds/src/ExeFsSnapshotGenerator.cpp b/ctrtool/deps/libnintendo-n3ds/src/ExeFsSnapshotGenerator.cpp
index 424e5a6d..72371c85 100644
--- a/ctrtool/deps/libnintendo-n3ds/src/ExeFsSnapshotGenerator.cpp
+++ b/ctrtool/deps/libnintendo-n3ds/src/ExeFsSnapshotGenerator.cpp
@@ -33,7 +33,7 @@ ntd::n3ds::ExeFsSnapshotGenerator::ExeFsSnapshotGenerator(const std::shared_ptr<
 	stream->seek(0, tc::io::SeekOrigin::Begin);
 	stream->read((byte_t*)(&hdr), sizeof(ntd::n3ds::ExeFsHeader));
 
-	if (hdr.file_table[0].name[0] == 0 || hdr.file_table[0].offset.unwrap() != 0 || hdr.hash_table[ntd::n3ds::ExeFsHeader::kFileNum - 1][0] == 0)
+	if (hdr.file_table[0].name[0] == 0 || hdr.file_table[0].offset.unwrap() != 0)
 	{
 		throw tc::ArgumentOutOfRangeException("ntd::n3ds::ExeFsSnapshotGenerator", "ExeFsHeader is corrupted (Bad first entry).");
 	}
@@ -119,4 +119,4 @@ ntd::n3ds::ExeFsSnapshotGenerator::ExeFsSnapshotGenerator(const std::shared_ptr<
 			cur_dir->dir_listing.file_list.push_back(section[i].name);
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/ctrtool/src/ExeFsProcess.cpp b/ctrtool/src/ExeFsProcess.cpp
index 3d6c62f7..36475ee3 100644
--- a/ctrtool/src/ExeFsProcess.cpp
+++ b/ctrtool/src/ExeFsProcess.cpp
@@ -94,7 +94,7 @@ void ctrtool::ExeFsProcess::importHeader()
 	mInputStream->read((byte_t*)&mHeader, sizeof(ntd::n3ds::ExeFsHeader));
 
 	// do some simple checks to verify if this is an EXEFS header
-	if (mHeader.file_table[0].name[0] == 0 || mHeader.file_table[0].offset.unwrap() != 0 || mHeader.hash_table[ntd::n3ds::ExeFsHeader::kFileNum - 1][0] == 0)
+	if (mHeader.file_table[0].name[0] == 0 || mHeader.file_table[0].offset.unwrap() != 0)
 	{
 		throw tc::ArgumentOutOfRangeException(mModuleLabel, "ExeFsHeader is corrupted (Bad first entry).");
 	}
@@ -281,4 +281,4 @@ std::string ctrtool::ExeFsProcess::getValidString(byte_t validstate)
 	}
 
 	return ret_str;
-}
\ No newline at end of file
+}
diff --git a/ctrtool/src/NcchProcess.cpp b/ctrtool/src/NcchProcess.cpp
index 30417229..e5f1dbc6 100644
--- a/ctrtool/src/NcchProcess.cpp
+++ b/ctrtool/src/NcchProcess.cpp
@@ -489,8 +489,7 @@ void ctrtool::NcchProcess::determineRegionEncryption()
 
 					// quick header validation
 					if (exefs_hdr.file_table[0].name[0] == 0 ||
-					    exefs_hdr.file_table[0].offset.unwrap() != 0 ||
-					    exefs_hdr.getFileHash(0)->operator[](0) == 0)
+					    exefs_hdr.file_table[0].offset.unwrap() != 0)
 					{
 						throw tc::ArgumentOutOfRangeException(mModuleLabel, "ExeFsHeader is corrupted (Bad first entry).");
 					}