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Merged
Exzap merged 1 commit into from
Jun 23, 2026
Merged

Look for key file next to wud/wux file #1961

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9 changes: 7 additions & 2 deletions src/Cafe/Filesystem/FST/FST.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -200,7 +200,7 @@ bool FSTVolume::FindDiscKey(const fs::path& path, NCrypto::AesKey& discTitleKey)
if (dataSource->readData(0, 0, 0x18000 + 0x100, header, sizeof(header)) != sizeof(header))
return false;

// try all the keys
// try all the keys in the key cache
uint8 headerDecrypted[sizeof(header)-16];
for (sint32 i = 0; i < 0x7FFFFFFF; i++)
{
Expand All @@ -215,7 +215,12 @@ bool FSTVolume::FindDiscKey(const fs::path& path, NCrypto::AesKey& discTitleKey)
return true;
}
}
return false;

// check for a key file next to the WUD file
fs::path keyPath = path;
keyPath.replace_extension("key");
std::unique_ptr<FileStream> keyFile(FileStream::openFile2(keyPath));
return keyFile && keyFile->readData(discTitleKey.b, sizeof(discTitleKey.b)) == sizeof(discTitleKey.b);
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}

// open WUD image using key cache
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