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I am using cryptoPHPDOCX to lock the tracking changes in a word document using :
 

$docx->protectDocx($file_path . '.docx', $file_path . '.docx', array('password' => $tracking_lock_pass, 'type' => 'trackedChanges'));

I faced an issue when using third party word editor in my application, it's not allowing me to open the document (read-only) . I contacted the third party and they said the following : 

document_with_unlock_changes_working.docx having track changes locked by Microsoft Word uses the cryptProviderType rsaAES, while the file document_with_unlock_changes_not_working.docx having the track changes locked using PHPDOCX uses the cryptProviderType rsaFull.
At present, DocumentEditor only supports the "rsaAES" cryptProviderType for both protecting and unprotecting documents.

can we change the encryption type?

Thanks.