Robert Volke wrote:
The easiest route would be if we could do a combination of the network
security and using OpenOffice's security. But this is a problem since
some users need to keep Microsoft Office due to software and file (due
to extensive macros) dependencies on it, and OpenOffice has he lovely
ability to bypass read-only security on the file level. I also heard
that you can get around the OpenOffice password security by saving the
document into a microsoft format.
What's that fuss about the "security" of read-only settings? You can
copy the content into a new document, save that one under the old name -
and already you've "broken" the read-only flag. If the content is also
hidden (but usable in formulas) or non-selectable, it's only slightly
more difficult - all the content is there in the file, ready for anyone
to see (or otherwise you wouldn't be able to load it for read-only use
without a password).
Let me repeat: There is, intrinsically, no security in these flags. If
you need security, use something else.
What you can do is sign the document. Then anyone will still be able to
make a modified version, but you can check the signature and detect if
anything was changed. Maybe that's what you're looking for?
Niklas
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