In message <Pine.NEB.4.62.0508021159570.5566@angelic.cynic.net>, Curt Sampson w
rites:
>
>I want to store my ssh keys, gpg keyring, and various other files
>on a USB flash device. I'd like to have it look just like FFS (with
>appropriate permissions, etc.) when mounted on a BSD box, but I'd
>also like to be able to access these files from a Windows box in an
>emergency.
>
>Is there anything for MS-DOS systems along the lines of Rock Ridge for
>ISO 9660 filesystems that would let me use an MS-DOS filesystem under
>Unix as if it were a Unix filesystem with the usual metadata, links,
>etc., but actually store everything on an MS-DOS filesystem?
>
>Failing that, I'm open to other suggestions. My only other idea at
>the moment is to divide the USB flash memory into two partitions and
>regularly copy the Unix stuff to the DOS partition.
>

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.

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