nolze

Hi, to support encryption we need to implement the very reverse of some functions in [`/format/*`](https://github.com/nolze/msoffcrypto-tool/tree/master/msoffcrypto/format) and [`/method/*`](https://github.com/nolze/msoffcrypto-tool/tree/master/msoffcrypto/method). I guess that it is not so difficult in the case of...

Thank you for reporting! It seems that there is something wrong with the internal structure of the decrypted file. Unfortunately, as the MS-PPT support is really partial and experimental, there...

Thanks! I confirmed the Protected View alert showing up in the lastest PowerPoint for Windows with the provided file. (It is puzzling that the alert does not show up in...

I'm pleased to share that msoffcrypto-tool now supports encryption for OOXML documents (.docx, .xlsx, .pptx), starting from version 5.3.0. This enhancement is made possible by the valuable contribution of @stephane-rouleau...

Thank you for relaying! After doing some investigation into the issue, I found that it seems that OneNote embedded objects do not re-new IVs for AES-CBC in every 4096 bytes...

Thank you for reporting! This bug doesn't seem easy, and I can't think of a way to debug it without a sample. However, if I figure something out in the...

Thank you for reporting! This is an interesting case and I hope to investigate it. A problem, however, is that I don't have access to the Sensitivity Label feature on...

Thanks for your suggestion! I think adding a utility function (as a context manager) similar to your `decrypt_office_file()` to the library is a good idea and will do it. In...