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colmcoughlan/extract_encrypted_zip_file.md

Last active December 2, 2025 22:26
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Extract an encrypted zip file with a password using Python 3
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extract_encrypted_zip_file.md

Extract files from an encrpyted zip file with python3

Take care, python3's zipfile only supports encrypted zip files that use CRC-32 based encryption This seems to be the default for the "zip" program on linux, but this doesn't work for AES encryption, or for many Windows based zip solutions See https://github.com/python/cpython/blob/3.6/Lib/zipfile.py for more details

from zipfile import ZipFile

zip_file = 'test.zip'
password = 'password'

with ZipFile(zip_file) as zf:
  zf.extractall(pwd=bytes(password,'utf-8'))
@secraven
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secraven commented Apr 26, 2022

The variable zip_file is missing an equal sign vs. a dash.

@colmcoughlan
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colmcoughlan commented May 2, 2022

Thanks @secraven - I don't know how that even happened!

@sergeevabc
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sergeevabc commented Dec 2, 2025 •
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Is it possible to unpack password-protected ZIP archive via Python using a command-line one-liner?
With non-encrypted archives it is relatively straight-forward: python -m zipfile -e in.zip .

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