clearUnknownKeys: return the number of keys cleared; commented out clearKeysFromChip, which was unused
clearUnknownKeys: return the number of keys cleared; commented out clearKeysFromChip, which was unused

emilcondrea/trousers,emilcondrea/trousers,Distrotech/trousers,Distrotech/trousers,emilcondrea/trousers,Distrotech/trousers