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MAINT: Add R parameter to generate_values #1820

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merged 1 commit into from
Apr 30, 2023
Merged

MAINT: Add R parameter to generate_values #1820

merged 1 commit into from
Apr 30, 2023

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MartinThoma
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@MartinThoma MartinThoma commented Apr 30, 2023

Pass it through to compute_U_value / compute_O_value

"R" is the encryption algorithm revision.

Also fix a bug I (Martin) just introduced in
compute_O_value by setting the token_bytes=4 and not 16.

All credit for refactoring goes to exiledkingcc

This PR makes #1816 smaller.

Pass it through to compute_U_value / compute_O_value

Also fix a bug I (Martin) just introduced in
compute_O_value by setting the token_bytes=4 and not 16.

All credit for refactoring goes to exiledkingcc

Co-authored-by: exiledkingcc <exiledkingcc@gmail.com>
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codecov bot commented Apr 30, 2023

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01 ⚠️

Comparison is base (3de03b7) 93.39% compared to head (a472e41) 93.38%.

Additional details and impacted files
@@            Coverage Diff             @@
##             main    #1820      +/-   ##
==========================================
- Coverage   93.39%   93.38%   -0.01%     
==========================================
  Files          34       34              
  Lines        6612     6610       -2     
  Branches     1297     1297              
==========================================
- Hits         6175     6173       -2     
  Misses        285      285              
  Partials      152      152              
Impacted Files Coverage Δ
pypdf/_encryption.py 91.68% <100.00%> (-0.05%) ⬇️

☔ View full report in Codecov by Sentry.
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@MartinThoma MartinThoma merged commit a2d1e5a into main Apr 30, 2023
@MartinThoma MartinThoma deleted the r-value branch April 30, 2023 11:53
MartinThoma added a commit that referenced this pull request May 21, 2023
New Features (ENH)
-  Simplify metadata input (Document Information Dictionary) (#1851)
-  Extend cmap compatibilty to GBK_EUC_H/V (#1812)

Bug Fixes (BUG)
-  Prevent infinite loop when no character follows after a comment (#1828)
-  get_contents does not return ContentStream (#1847)
-  Accept XYZ destination with zoom missing (default to zoom=0.0) (#1844)
-  Cope with 1 Bit images (#1815)

Robustness (ROB)
-  Handle missing /Type entry in Page tree (#1845)

Documentation (DOC)
-  Expand file size explanations (#1835)
-  Add comparison with pdfplumber (#1837)
-  Clarify that PyPDF2 is dead (#1827)
-  Add Hunter King as Contributor for #1806

Maintenance (MAINT)
-  Refactor internal Encryption class (#1821)
-  Add R parameter to generate_values (#1820)
-  Make encryption_key parameter of write_to_stream optional (#1819)
-  Prepare for adding AES enryption support (#1818)

Code Style (STY):
-  Iterate directly over the list instead of using range (#1839)
-  Minor refactorings in _encryption.py (#1822)

[Full Changelog](3.8.1...3.9.0)
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