Signing MS-Excel spread sheets
kimmo.surakka at gmail.com
Sun Sep 4 20:31:47 CEST 2005
Berend Tober wrote:
> Indeed, and I even included in my original post "(Aside from the
> obvious -- "Stop using MS-Excel!" -- because that is a failure I
> cannot control...)". Kids these days....
> Anyway, I've looked at WinPT and GPGee and one other GUI wrapper
> around gnupg, but they all of course are victims of this MS Excel
> "feature", and furthermore none of them satisfy my other need to be
> able to support multiple persons signing any given document, either
> (cf. other mailing list message thread "Multiple signatures on a
> single file").
Just my two cents worth: isn't it true that most Windows zippers can
open a file "from inside a zip archive", i.e. uncompress it
transparently to a temp directory and open from there? One easy-to-
use solution could therefore be to store the Excel file inside a zip
archive, and then sign that archive? When the second person opens the
spreadsheet, all the changes Excel wants to do are done to the
temporary copy -- not the actual spreadsheet itself.
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