Matthew Jackson
34c5293704
A CSS DVD whose main title was mis-detected as unencrypted (the up-front crack scanned the largest cell first and starved its budget in that cell's clear prefix) muxed scrambled sectors as plaintext at exit 0. CSS leaves the pack/PES header clear, so an un-descrambled sector muxes as a structurally-valid but corrupt PES packet with zero loss reported. decrypt_keys_for_title resolves a DVD title's CSS key two ways: - Fast path: reuse the scan's cracked key when its crack_span covers this title's VTS (no re-read; on a live drive no second bus-auth). - Crack: on a detection miss or a different VTS, crack from the title's OWN extents in a SINGLE scan in natural PLAYBACK ORDER (never largest-first). One scan = one CSS-locked early-bail, so a locked title is not re-hammered per cell against a live drive (hard rule #2); the 50k-sector budget is the same accepted bound the disc-wide scan uses. Cracked -> key; Unencrypted -> clear; ScrambledUncracked -> hard-fail. ensure_title_decryptable hard-fails an uncrackable DVD title even when detection missed, and passes a title that resolved its OWN valid key regardless of the disc-wide css_error. descramble_region is unchanged from v1.5.1 (validated-key seed). Also rename the unlocker report's DVD entry CSS -> DVD. Bump 1.5.2.
79 lines
2.9 KiB
TOML
79 lines
2.9 KiB
TOML
[package]
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name = "libfreemkv"
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version = "1.5.2"
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edition = "2024"
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rust-version = "1.86"
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license = "MIT"
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description = "Open source raw disc access library for optical drives"
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repository = "https://github.com/freemkv/libfreemkv"
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keywords = ["bluray", "uhd", "optical", "scsi", "disc"]
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categories = ["hardware-support", "multimedia"]
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# Keep internal AI-instruction / private notes out of the published crate.
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exclude = ["CLAUDE.md"]
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# OFF crates.io: libfreemkv git-deps freemkv-unlock (firmware, never published),
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# so libfreemkv itself can only be consumed by git tag. Clients git-tag-pin it.
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publish = false
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[profile.release]
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lto = "thin"
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codegen-units = 1
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[dependencies]
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serde = { version = "1", features = ["derive"] }
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serde_json = "1"
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sha1 = "0.10"
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sha2 = "0.10"
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aes = "0.8"
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cbc = "0.1"
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# Interim path dep for local cross-repo dev; the release script re-pins this to
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# `{ git = ".../freemkv-unlock", tag = "vX.Y.Z" }` before tagging libfreemkv (so
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# the released tag resolves freemkv-unlock from git, not a sibling path).
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freemkv-unlock = { git = "https://github.com/freemkv/freemkv-unlock", tag = "v1.5.1" }
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num-bigint = "0.4"
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num-traits = "0.2"
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num-integer = "0.1"
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rand = "0.8"
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cmac = "0.7"
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zip = { version = "2", default-features = false, features = ["deflate"] }
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base64 = "0.22.1"
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# Read-only XML DOM parser (pure Rust, forbid(unsafe_code), entity-expansion
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# bounded). Parses the HD-DVD Advanced-Content playlist `ADV_OBJ/VPLST000.XPL`
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# — untrusted disc bytes — into authoritative titles/clips/chapters. A real
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# parser, not a hand-rolled scanner: the XPL is genuine XML (comments, varied
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# attribute order, self-closing tags).
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roxmltree = "0.20"
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# Trace-level instrumentation for Disc::copy + SgIoTransport::execute. Permitted
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# under CLAUDE.md ("Acceptable strings: debug/trace logging"). Consumers (autorip)
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# wire a tracing subscriber and pipe events into the JSONL debug log.
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tracing = "0.1"
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# Bounded MPSC channel with kernel-wakeup send_timeout. Used by `io::pipeline`
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# so the halt-aware send/finish loops can BLOCK on consumer drain instead of
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# polling — the 50 ms poll cadence of the previous mpsc-based impl capped mux
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# throughput at ~1 MB/s (0.21.7).
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crossbeam-channel = "0.5"
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# Persistent work-stealing thread pool for parallel AACS unit
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# decryption. Per-call std::thread::scope spawned fresh OS threads
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# and that overhead dominated for typical batch sizes (60 units).
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# rayon's global pool initialises once on first use.
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rayon = "1"
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# SIMD-accelerated bytestring search. Drives the HEVC/H.264 start-code
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# scan in `mux::codec::h264::find_start_code` — naive byte-by-byte
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# walk is ~500 MB/s single-thread on x86_64; memchr's vectorised
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# `memmem::find` for the 3-byte `00 00 01` needle hits ~5 GB/s on
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# AVX2-capable hosts.
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memchr = "2"
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[target.'cfg(target_os = "linux")'.dependencies]
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libc = "0.2"
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[target.'cfg(target_os = "macos")'.dependencies]
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libc = "0.2"
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[dev-dependencies]
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tempfile = "3"
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[[bench]]
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name = "sgio_read"
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harness = false
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