>> Is it less safe to share the “Default Folder” as encrypted then? Its folder ID is always just 'default'. > In the sense that someone could easier pre-brute-

>> Is it less safe to share the “Default Folder” as encrypted then? Its folder ID is always just 'default'. > In the sense that someone could easier pre-brute-force all passwords for that specific folder ID, yes. That's the definition of a rainbow table, and a fixed, known folder ID makes the "salt" effectively worthless.