Nico Weber 9cbdb334ab LibPDF: Make try_provide_user_password() work for R6+ files ...

try_provide_user_password() calls compute_encryption_key_r6_and_later()
now. This checks both owner and user passwords. (For pre-R6 files,
owner password checking isn't yet implemented, as far as I can tell.)

With this, CIPA_DC-007-2021_E.pdf (or other AESV3-encrypted files)
successfully compute a file encryption key (...and then hit the
TODO() in StandardSecurityHandler::crypt() for AESV3, but it's
still good progress.)

2023-07-21 11:55:20 +02:00

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