RE: [libreoffice-users] Re: Digital signing MS format documents

To find out what a LibreOffice digital signature is, do the following:

Make a document in Writer.  Any little document.

Save it to disk (so the Save button is now grayed out).

On the File | Document Signatures ... dialog, you now have an opportunity to 
sign the document with a cryptographically-secure digital signature that can 
be authenticated as being from you and can be used to verify that the document 
is as it was when signed.

The user wants to know why that feature can't be used with LO-produced 
Microsoft Office documents (e.g., .doc and .docx).

If you were to receive a document that is so signed, you will see an indicator 
in the bottom status bar of the Writer window that shows whether it is signed 
and whether or not there is any difficulty in verifying the signing or the 
signer.

I assume that the users would also like to see that work when a signed 
Microsoft Office document is opened in LibreOffice as well.  I believe what 
happens now is that any digital signature is simply ignored (fair enough), so 
it can't be used as a method of authenticating the document.

 - Dennis

PS: I am digitally signing this e-mail by similar means.  It may or may not 
show up as signed in your mail client, and it may show up as having some 
undecipherable junk, too.  But I see some developers sign their e-mails here.

-----Original Message-----
From: Tom [mailto:tomdavies04@yahoo.co.uk]
Sent: Thursday, September 15, 2011 06:49
To: users@global.libreoffice.org
Subject: [libreoffice-users] Re: Digital signing MS format documents

Hi :)
I think i would push for Creative Commons Licences on documents.  I'm not
sure what digital signing does but Creative Commons is copyright protection
that fits well with the OpenSource and OpenDocument Format ideals.

[ ... ]

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