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a94f78d09051f53ac63f3896bd32b0b42d2e16eb
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4 Commits
Author SHA1 Message Date
Matthew Jackson a94f78d090 audit: cap the sparse-PTS reorder buffer, FMTS key state, zero KCD 
Round-1 findings from the 10-phase release audit:

- SparsePtsReorder buffered its current GOP with no bound, draining only on
  a keyframe — an open-GOP or crafted program stream that never signals one
  could hold the whole title in RAM. Force-complete the GOP at
  MAX_GOP_FRAMES, matching the MPEG-2 parser's backstop.
- inject_unit_keys labelled a 2.1 FMTS disc as AACS 1.0 / bus-encryption
  off; FMTS is UHD-family, so synthesize the UHD version + bus encryption.
- The compiled Key Correction Data was a non-zero 16-byte constant fed into
  the Media Key derivation. Per the no-compiled-keys rule it is now all-zero;
  the chain still cannot complete on a real disc (documented), so this is
  behaviour-neutral — all variant tests pass unchanged.
- Fix stale doc references (broken `super::variants` intra-doc links, and
  `aacs::keys` comments) left by the module rename.
 2026-07-09 14:14:20 -07:00
Matthew Jackson 0d587d1154 fix: assorted correctness fixes and dead-code cleanup 
- aacs/resolve: a media-keys-only provider missing the VID classifies as
  VidUnavailable, not NoMaterial (an MK derives the VUK once the VID
  arrives).
- disc/bluray: mark a clip seen only after its .clpi parses, so a
  transient parse failure on the first PlayItem cannot suppress the
  clip's extents for a later PlayItem referencing it that succeeds.
- disc/patch: log rather than swallow mapfile record/flush failures on a
  reverify downgrade, so a failed persist cannot silently mismark a bad
  unit good on resume.
- mux/ts: flag a discontinuity when a partial PES is dropped, matching
  the other partial-drop paths.
- mux/demux_thread: the no-demuxer branch forwards an empty batch for
  early consumer-disconnect detection instead of reading the whole disc.
- io/pipeline: correct the send-timing log (as_secs_f64, not as_micros
  printed as ms).
- aacs/derive, aacs/variant, disc/read_error, keysource: comment/doc
  accuracy. sector/prefetched, udf: remove dead fields/functions.
- mux/disc: assert unit-aligned read counts in the test.
 2026-07-08 14:44:15 -07:00
Matthew Jackson 122a03b23d aacs: remove boil veneer; move key newtypes to aacs::types
leak-guard / leak-guard (push) Successful in 8s
Details 
aacs::boil was a thin newtype veneer over aacs::derive — a duplicate layer.
Delete it: move the shared key newtypes (Vid, MediaKey, Vuk, ProcessingKey,
UnitKey) into aacs::types, and expose resolve_candidate + KeyCandidate from
aacs::derive directly. Downstream (keysource, disc::encrypt) now import from
aacs::{derive,types}. Pure API consolidation, no behaviour change; full test
suite green on Rust 1.86.
 2026-07-05 12:09:39 -07:00
Matthew Jackson 84aaceceb7 aacs: merge media_key + volume_key into derive.rs 
The volume_key module was only 34 lines and is just the tail of the same
DK/PK -> MK -> VUK -> UK derivation ladder as media_key. Fold both into one
derive module so every aacs module is a substantial, distinct responsibility
(crypto/mkb/derive/inf/content/variant/resolve). Relocation only; logic hash
identical (95fb9924); 2210 tests green.
 2026-07-04 14:14:56 -07:00