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Matthew Jackson
63334dcc8b
Every AACS decrypt now goes through the resolved key map (decrypt_sectors_ mapped): the map keys each content unit up front and a missing key fails at resolve time. The old trial-decrypt path — try each held key per unit, keep the first-tried plaintext on a miss — is gone; decrypt_sectors_impl's AACS arm now fails loud (reaching it means a reader was built without its map, which would silently apply a wrong key). CSS (self-descramble) and the clear no-op path are unchanged. Disc::sweep and Disc::patch resolve a whole-disc key map up front for a decrypting pass (the fetch secures any missing CPS-unit key, fail-loud) and decrypt via the map — clear nav/filesystem sectors are in no range and pass through, so the separate content-range gate and the reactive per-unit key-fetch recovery are no longer needed. extract_tree keys every unit with the base Unit Key through the map (its encrypted-flag gate skips clear files). Multipass sweeps stay --raw. Removes the obsolete non-mapped-AACS trial/gate/recovery tests (the mapped path and resolve fail-loud are tested directly).