[MRG + 1] Add basic support for encrypted PDF files (#180)

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* [MRG] Add basic support for encrypted PDF files

Update API and CLI to accept ASCII passwords to decrypt PDFs
encrypted by algorithm code 1 or 2 (limited by support from PyPDF2).
Update documentation and unit tests accordingly.

Example document health_protected.pdf generated as follows:
qpdf --encrypt userpass ownerpass 128 -- health.pdf health_protected.pdf

Issue #162

* Support encrypted PDF files in python3

Issue #162

* Address review comments

Explicitly check passwords for None rather than falsey.
Correct read_pdf documentation for Owner/User password.

Issue #162

* Correct API documentation changes for consistency

Issue #162

* Move error tests from test_common to test_errors

Issue #162

* Add qpdf example

* Remove password is not None check

* Fix merge conflict

* Fix pages example

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This commit is contained in:

rbares

2018-10-28 16:31:10 +00:00

committed by Vinayak Mehta

parent 4366313484

commit 429640feea

9 changed files with 116 additions and 29 deletions

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tests/files/health_protected.pdf

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