148      iPhone_iPad_Mac_apple

Filevault and the Google Drive application

Hello, I have a question about filevault and have tried to search through google to find an answer and could not.

I have not used filevault as I did not want to take the risk of encrypting my google drive files and not being able to access them on my windows machine or even my iphone with the google drive app.

I have google drive installed on my MacBook Pro and it syncs all of my files and every change that happens right on my hard drive with my google drive.

I was wondering, if I turned on filevault, is there any way that I could exclude it from encrypting my google drive folder or any folder in general?

Does it have to encrypt the entire hard drive? The problem would be that it would encrypt my google drive files and would make them unusable on my other machines for even basic things like pictures and music files since it would sync the encrypted changes and I do not want that to happen.

Thanks for any response/help!

There is no conflict between FileVault and either Google Drive or Windows. When you open files they are decrypted automatically.

Sorry, this reply does not answer the question. If I use, say, Dropbox, or any of a number of other file sharing services, and I have installed the Dropbox app on my Mac, then Dropbox creates a folder on my internal drive.

Does FileVault encrypt the Dropbox folder? It had better, because it's Full Disk Encryption. As the Dropbox files are encrypted, they will be synchronized (copied, in encrypted form) to the Dropbox account in the cloud.

I fear that the encrypted files will not be openable on any other device.

This reply says "when you open the files" but handily leaves out the computing device on which you are attempting the open operation. If it's iOS, or Windows, as originally asked, what happens?

Does FileVault encrypt the Dropbox folder? It had better, because it's Full Disk Encryption. As the Dropbox files are encrypted, they will be synchronized (copied, in encrypted form) to the Dropbox account in the cloud.

When you use file vault whole disk encryption, the files stored on your physical local drive (ONLY) are encrypted when written to the drive, and decrypted when opened and read from that drive for ANY Use.

So when your Dropbox App decides to synchronize a file, it uses the Mac File System to open the file and read the data, which are delivered "in the clear". The "clear" version of the data are synchronized with Dropbox. This works because you are logged in and have provided the password required for on-the-fly decryption.

If DropBox decides to encrypt your files before sending them onto the Internet, that will be done using the DropBox password, which is likely to be different from the File Vault password. Your other devices would need to have access to the Dropbox password -- the fileVault password would not be needed at that point.

If your Mac is found by the side of the road, the login and decryption password are unknown. So ALL the files on your Mac disk Drive are encrypted. If they are read (without knowing the password) they appear to be gibberish. Brute-Force discovery of the decryption key (provided you used a long-and-strong password) should take more than a decade of supercomputer time by brute force.

You can also think of this as the DropBox folder is an illusion -- it represents files not actually on your encrypted internal drive, but on the Internet. There may be local unencrypted copies stored on your Mac for your convenience, but they are likely on a different Volume.

最後更新：2017-09-14 07:56:14

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