In message <Pine.NEB.4.62.0508021738340.5688@angelic.cynic.net>, Curt Sampson w
rites:
>On Tue, 2 Aug 2005, Steven M. Bellovin wrote:
>
>> Hmm -- how about creating a vnd image in the MS-DOS file system?  To
>> use it, you'd mount the USB disk as MSDOS, then do a vn[d]config on
>> a file on that disk, and mount it.
>
>That doesn't really seem to offer any advantages over the 1/2 MS-DOS and
>1/2 FFS mode of operation; in both cases it doesn't solve the problem
>that when I update a file on the FFS side, the corresponding copy on the
>MS-DOS side needs to updated by hand.
>
>E.g., I'd like to share my ssh keys and gpg keyring between Windows and
>Unix systems.
>

Right -- I'd posted that before I saw what your detailed requirements 
were.  I had assumed that you wanted MSDOS format for the USB key for data 
movement to/from Windows boxes and Macs, but wanted file permissions 
when it was mounted on NetBSD.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb