pypdf.errors.DependencyError: cryptography>=3.1 is required for AES algorithm

[Xu Peng]

release中最新的win版本写入报错
pypdf.errors.DependencyError: cryptography>=3.1 is required for AES algorithm
2024-02-07 00:06:16,494 - CRITICAL - DependencyError: cryptography>=3.1 is required for AES algorithm:
Traceback (most recent call last):
File "src\gui\main.py", line 281, in write_tree_to_pdf
File "src\gui\main.py", line 288, in dict_to_pdf
File "src\pdf\bookmark.py", line 35, in add_bookmark
File "src\pdf\api.py", line 46, in init
File "pypdf_writer.py", line 2946, in append
File "pypdf_utils.py", line 486, in wrapper
File "pypdf_writer.py", line 3027, in merge
File "pypdf_writer.py", line 419, in add_page
File "pypdf_writer.py", line 332, in _add_page
File "pypdf\generic_data_structures.py", line 199, in clone
File "pypdf\generic_data_structures.py", line 310, in _clone
File "pypdf\generic_data_structures.py", line 116, in clone
File "pypdf\generic_base.py", line 292, in clone
File "pypdf\generic_base.py", line 312, in get_object
File "pypdf_reader.py", line 1417, in get_object
File "pypdf_encryption.py", line 850, in decrypt_object
File "pypdf_encryption.py", line 99, in decrypt_object
File "pypdf_crypt_providers_fallback.py", line 69, in decrypt
pypdf.errors.DependencyError: cryptography>=3.1 is required for AES algorithm

源码运行没问题

[chroming]

本地未复现此问题，不过我根据pypdf文档 修改了依赖包以支持AES加密的pdf, 有空可以试下有没有解决这个问题：
https://github.com/chroming/pdfdir/releases/tag/v0.3.0-beta20

[DetErika]

同问题，可以检查pdf文件能否被允许写入