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-rw-r--r--src/core/core.cpp12
-rw-r--r--src/core/core.h14
-rw-r--r--src/core/crypto/key_manager.cpp27
-rw-r--r--src/core/crypto/key_manager.h2
-rw-r--r--src/core/file_sys/content_archive.cpp10
-rw-r--r--src/core/loader/loader.h3
-rw-r--r--src/core/loader/xci.cpp2
-rw-r--r--src/yuzu/main.cpp51
-rw-r--r--src/yuzu_cmd/yuzu.cpp14
9 files changed, 101 insertions, 34 deletions
diff --git a/src/core/core.cpp b/src/core/core.cpp
index b7f4b4532..0ef6af3fe 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -101,8 +101,10 @@ System::ResultStatus System::Load(EmuWindow* emu_window, const std::string& file
static_cast<int>(system_mode.second));
switch (system_mode.second) {
- case Loader::ResultStatus::ErrorEncrypted:
- return ResultStatus::ErrorLoader_ErrorEncrypted;
+ case Loader::ResultStatus::ErrorMissingKeys:
+ return ResultStatus::ErrorLoader_ErrorMissingKeys;
+ case Loader::ResultStatus::ErrorDecrypting:
+ return ResultStatus::ErrorLoader_ErrorDecrypting;
case Loader::ResultStatus::ErrorInvalidFormat:
return ResultStatus::ErrorLoader_ErrorInvalidFormat;
case Loader::ResultStatus::ErrorUnsupportedArch:
@@ -126,8 +128,10 @@ System::ResultStatus System::Load(EmuWindow* emu_window, const std::string& file
System::Shutdown();
switch (load_result) {
- case Loader::ResultStatus::ErrorEncrypted:
- return ResultStatus::ErrorLoader_ErrorEncrypted;
+ case Loader::ResultStatus::ErrorMissingKeys:
+ return ResultStatus::ErrorLoader_ErrorMissingKeys;
+ case Loader::ResultStatus::ErrorDecrypting:
+ return ResultStatus::ErrorLoader_ErrorDecrypting;
case Loader::ResultStatus::ErrorInvalidFormat:
return ResultStatus::ErrorLoader_ErrorInvalidFormat;
case Loader::ResultStatus::ErrorUnsupportedArch:
diff --git a/src/core/core.h b/src/core/core.h
index c123fe401..a90bff3df 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -43,12 +43,14 @@ public:
/// Enumeration representing the return values of the System Initialize and Load process.
enum class ResultStatus : u32 {
- Success, ///< Succeeded
- ErrorNotInitialized, ///< Error trying to use core prior to initialization
- ErrorGetLoader, ///< Error finding the correct application loader
- ErrorSystemMode, ///< Error determining the system mode
- ErrorLoader, ///< Error loading the specified application
- ErrorLoader_ErrorEncrypted, ///< Error loading the specified application due to encryption
+ Success, ///< Succeeded
+ ErrorNotInitialized, ///< Error trying to use core prior to initialization
+ ErrorGetLoader, ///< Error finding the correct application loader
+ ErrorSystemMode, ///< Error determining the system mode
+ ErrorLoader, ///< Error loading the specified application
+ ErrorLoader_ErrorMissingKeys, ///< Error because the key/keys needed to run could not be
+ ///< found.
+ ErrorLoader_ErrorDecrypting, ///< Error loading the specified application due to encryption
ErrorLoader_ErrorInvalidFormat, ///< Error loading the specified application due to an
/// invalid format
ErrorSystemFiles, ///< Error in finding system files
diff --git a/src/core/crypto/key_manager.cpp b/src/core/crypto/key_manager.cpp
index 33633de7e..678ac5752 100644
--- a/src/core/crypto/key_manager.cpp
+++ b/src/core/crypto/key_manager.cpp
@@ -53,8 +53,8 @@ std::array<u8, 32> operator""_array32(const char* str, size_t len) {
KeyManager::KeyManager() {
// Initialize keys
- std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
- std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
+ const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
+ const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
if (Settings::values.use_dev_keys) {
dev_mode = true;
AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "dev.keys", false);
@@ -109,9 +109,9 @@ void KeyManager::LoadFromFile(std::string_view filename_, bool is_title_keys) {
void KeyManager::AttemptLoadKeyFile(std::string_view dir1_, std::string_view dir2_,
std::string_view filename_, bool title) {
- std::string dir1(dir1_);
- std::string dir2(dir2_);
- std::string filename(filename_);
+ const std::string dir1(dir1_);
+ const std::string dir2(dir2_);
+ const std::string filename(filename_);
if (FileUtil::Exists(dir1 + DIR_SEP + filename))
LoadFromFile(dir1 + DIR_SEP + filename, title);
else if (FileUtil::Exists(dir2 + DIR_SEP + filename))
@@ -146,6 +146,23 @@ void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
s256_keys[{id, field1, field2}] = key;
}
+bool KeyManager::KeyFileExists(bool title) {
+ const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
+ const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
+ if (title) {
+ return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "title.keys") ||
+ FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "title.keys");
+ }
+
+ if (Settings::values.use_dev_keys) {
+ return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "dev.keys") ||
+ FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "dev.keys");
+ }
+
+ return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "prod.keys") ||
+ FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "prod.keys");
+}
+
const std::unordered_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = {
{"master_key_00", {S128KeyType::Master, 0, 0}},
{"master_key_01", {S128KeyType::Master, 1, 0}},
diff --git a/src/core/crypto/key_manager.h b/src/core/crypto/key_manager.h
index c09a6197e..03152a12c 100644
--- a/src/core/crypto/key_manager.h
+++ b/src/core/crypto/key_manager.h
@@ -102,6 +102,8 @@ public:
void SetKey(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0);
void SetKey(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
+ static bool KeyFileExists(bool title);
+
private:
std::unordered_map<KeyIndex<S128KeyType>, Key128> s128_keys;
std::unordered_map<KeyIndex<S256KeyType>, Key256> s256_keys;
diff --git a/src/core/file_sys/content_archive.cpp b/src/core/file_sys/content_archive.cpp
index cb59c0a2b..2deb727cc 100644
--- a/src/core/file_sys/content_archive.cpp
+++ b/src/core/file_sys/content_archive.cpp
@@ -156,9 +156,9 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
encrypted = true;
} else {
if (!keys.HasKey(Core::Crypto::S256KeyType::Header))
- status = Loader::ResultStatus::ErrorEncrypted;
+ status = Loader::ResultStatus::ErrorMissingKeys;
else
- status = Loader::ResultStatus::ErrorInvalidFormat;
+ status = Loader::ResultStatus::ErrorDecrypting;
return;
}
}
@@ -194,6 +194,9 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
if (dec != nullptr) {
files.emplace_back();
romfs = files.back();
+ } else {
+ status = Loader::ResultStatus::ErrorMissingKeys;
+ return;
}
} else if (section.raw.header.filesystem_type == NCASectionFilesystemType::PFS0) {
u64 offset = (static_cast<u64>(header.section_tables[i].media_offset) *
@@ -211,6 +214,9 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
if (IsDirectoryExeFS(dirs.back()))
exefs = dirs.back();
}
+ } else {
+ status = Loader::ResultStatus::ErrorMissingKeys;
+ return;
}
}
}
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index dc8d28311..cd8b41bb6 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -73,7 +73,8 @@ enum class ResultStatus {
ErrorNotUsed,
ErrorAlreadyLoaded,
ErrorMemoryAllocationFailed,
- ErrorEncrypted,
+ ErrorMissingKeys,
+ ErrorDecrypting,
ErrorUnsupportedArch,
};
diff --git a/src/core/loader/xci.cpp b/src/core/loader/xci.cpp
index 74940fb83..d757862f0 100644
--- a/src/core/loader/xci.cpp
+++ b/src/core/loader/xci.cpp
@@ -49,7 +49,7 @@ ResultStatus AppLoader_XCI::Load(Kernel::SharedPtr<Kernel::Process>& process) {
}
if (xci->GetNCAFileByType(FileSys::NCAContentType::Program) == nullptr) {
- return ResultStatus::ErrorEncrypted;
+ return ResultStatus::ErrorDecrypting;
}
auto result = nca_loader->Load(process);
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index c274e5e2b..5bdf41ea4 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -425,18 +425,49 @@ bool GMainWindow::LoadROM(const QString& filename) {
tr("Could not determine the system mode."));
break;
- case Core::System::ResultStatus::ErrorLoader_ErrorEncrypted: {
+ case Core::System::ResultStatus::ErrorLoader_ErrorMissingKeys: {
+ const auto reg_found = Core::Crypto::KeyManager::KeyFileExists(false);
+ const auto title_found = Core::Crypto::KeyManager::KeyFileExists(true);
+
+ std::string file_text;
+
+ if (!reg_found && !title_found) {
+ file_text = "A proper key file (prod.keys, dev.keys, or title.keys) could not be "
+ "found. You will need to dump your keys from your switch to continue.";
+ } else if (reg_found && title_found) {
+ file_text =
+ "Both key files were found in your config directory, but the correct key could"
+ "not be found. You may be missing a titlekey or general key, depending on "
+ "the game.";
+ } else if (reg_found) {
+ file_text =
+ "The regular keys file (prod.keys/dev.keys) was found in your config, but the "
+ "titlekeys file (title.keys) was not. You are either missing the correct "
+ "titlekey or missing a general key required to decrypt the game.";
+ } else {
+ file_text = "The title keys file (title.keys) was found in your config, but "
+ "the regular keys file (prod.keys/dev.keys) was not. Unfortunately, "
+ "having the titlekey is not enough, you need additional general keys "
+ "to properly decrypt the game. You should double-check to make sure "
+ "your keys are correct.";
+ }
+
+ QMessageBox::critical(
+ this, tr("Error while loading ROM!"),
+ tr(("The game you are trying to load is encrypted and the required keys to load "
+ "the game could not be found in your configuration. " +
+ file_text + " Please refer to <a href=''>How to Dump Keys</a> for help.")
+ .c_str()));
+ break;
+ }
+ case Core::System::ResultStatus::ErrorLoader_ErrorDecrypting: {
QMessageBox::critical(
this, tr("Error while loading ROM!"),
- tr("The game that you are trying to load must be decrypted before being used with "
- "yuzu. A real Switch is required.<br/><br/>"
- "For more information on dumping and decrypting games, please see the following "
- "wiki pages: <ul>"
- "<li><a href='https://yuzu-emu.org/wiki/dumping-game-cartridges/'>Dumping Game "
- "Cartridges</a></li>"
- "<li><a href='https://yuzu-emu.org/wiki/dumping-installed-titles/'>Dumping "
- "Installed Titles</a></li>"
- "</ul>"));
+ tr("There was a general error while decrypting the game. This means that the keys "
+ "necessary were found, but were either incorrect, the game itself was not a "
+ "valid game or the game uses an unhandled cryptographic scheme. Please refer to "
+ "<a href=''>How to Dump Keys</a> to double check that you have the correct "
+ "keys."));
break;
}
case Core::System::ResultStatus::ErrorLoader_ErrorInvalidFormat:
diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp
index 97a8e13f0..5970cdb4e 100644
--- a/src/yuzu_cmd/yuzu.cpp
+++ b/src/yuzu_cmd/yuzu.cpp
@@ -173,11 +173,15 @@ int main(int argc, char** argv) {
case Core::System::ResultStatus::ErrorLoader:
LOG_CRITICAL(Frontend, "Failed to load ROM!");
return -1;
- case Core::System::ResultStatus::ErrorLoader_ErrorEncrypted:
- LOG_CRITICAL(Frontend, "The game that you are trying to load must be decrypted before "
- "being used with yuzu. \n\n For more information on dumping and "
- "decrypting games, please refer to: "
- "https://yuzu-emu.org/wiki/dumping-game-cartridges/");
+ case Core::System::ResultStatus::ErrorLoader_ErrorMissingKeys:
+ LOG_CRITICAL(Frontend, "The game you are trying to load is encrypted and the keys required "
+ "could not be found. Please refer to <LINK> for help");
+ return -1;
+ case Core::System::ResultStatus::ErrorLoader_ErrorDecrypting:
+ LOG_CRITICAL(Frontend, "The game you are trying to load is encrypted and there was a "
+ "general error while decrypting. This could mean that the keys are "
+ "incorrect, game is invalid or game uses an unsupported method of "
+ "crypto. Please refer to <LINK> to double-check your keys");
return -1;
case Core::System::ResultStatus::ErrorLoader_ErrorInvalidFormat:
LOG_CRITICAL(Frontend, "Error while loading ROM: The ROM format is not supported.");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 21:39:39 +0100