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Python tool and library for decrypting encrypted MS Office files with a password

Project description

msoffice_decrypt
================

msoffice_decrypt is a Python tool and library for decrypting encrypted
MS Office files with a password. This work is based on
https://github.com/nolze/msoffcrypto-tool. I created this project to
solves a specific use case for myself.


Installation
------------

Stable release
~~~~~~~~~~~~~

::

pip3 install -U msoffice_decrypt

From GitHub
~~~~~~~~~~~

::

pip3 install -U git+https://github.com/unixfreak0037/msoffice_decrypt

Examples
--------

(command line) Decrypt a file with a password.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

::

msoffice_decrypt -p 7779 Scan_ciwilson.doc Scan_ciwilson_unencrypted.doc

::

decrypted Scan_ciwilson.doc into Scan_ciwilson_unencrypted.doc

(command line) Decrypt a file trying everything that might be a password in this other file.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

::

msoffice_decrypt -i sample.txt Scan_ciwilson.doc Scan_ciwilson_unencrypted.doc

::

found password: 7779
decrypted Scan_ciwilson.doc into Scan_ciwilson_unencrypted.doc

(library)
~~~~~~~~~

.. code:: python

from msoffice_decrypt import MSOfficeDecryptor
decryptor = MSOfficeDecryptor(input_file_path, output_file_path)
if decryptor.is_decryptable:
# generate a list of passwords that might be right
# here we assume sample.txt is a text file that contains the password somewhere
with open('sample.txt', 'r') as fp:
word_list = decryptor.find_password(fp)

# see if any of these passwords are correct
password = decryptor.guess(word_list)

if password:
decryptor.decrypt(password)


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