alt Hacker News> As a general principle, as a user, I expect a file on one computer to be usable on another computer.
As a general rule, I expect a file on an encrypted disk to be unreadable for anyone who lacks the encryption key(s).
> if I need to obtain some other thing from the original computer to "unlock" that file, I should be able to do it.
You can export your passwords to a plain text CSV from the original computer.
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> You can export your passwords to a plain text CSV from the original computer.
Exporting a private key from a keychain is hard to automate (the password of the keychain is asked for all exports, and HAS to be typed manually IIRC).
As a general rule, if I'm the user of both disks I expect to have the encryption key(s).
The right way to do that is FDE, where you can't even mount the filesystem to see the files without having the decryption key.
As a general rule, I expect a file on an encrypted disk to be encrypted with a key derived from a password I provide.