How to password protect your Google Docs
Youcannowchoosetoaddclient-sideencryptiontoanexistingdocumentorremoveitfromanalreadyencrypteddocument(File>Makeacopy ...,WeusetheAESalgorithmtoencryptdataatrest.AlldataatthestoragelevelisencryptedbyDEKs,whichuseAES-256bydefault,withtheexceptionof...。參考影片的文章的如下: