[Scarblac]

But don't they have both the encrypted data and the decryption keys? I don't remember giving them my keys to use, and I can look at my stuff from multiple devices so the keys aren't stored on my device.

So they must have the ability to look at all that encrypted data anyway?

[0x3f]

Did you not notice that you have to type in a password?

[Yiin]

your password is your key, you can check networking to see if it is being sent in raw text or not.