Files
libfreemkv/tests
Matthew Jackson af62d6d5d8 keys: trust the declared CPS units instead of probing every stream file
1.8.0 read up to 32 units from every stream file before asking any key
source: 1,472 random reads (~95 s over USB) on a 46-file UHD that declares
one CPS unit, answered by one keyserver request.

One declared unit: the main title's samples ask once and the key that
opens them keys every file. Several: one encrypted unit per file, then
each unopened unit asks with 8 of its own units; one answer may open many
files. A source answering no key is not asked again, and a disc no key
opens is refused at once (blanked in a whole-disc copy) rather than
probed. Discs with an FMTS layout in scope keep the probed path.

Key acquisition also logs its phase timings.
2026-10-07 03:31:29 -07:00
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