Re: [libreoffice-users] Signature Line in Calc - Where is text size determined?

Hi Philip,

Many thanks for the help and the links.  This subject is deeper and 
wider than I expected so much reading to do.

To sum up where I have reached, the gpg encryption is probably too much 
for my purposes here.  I tried it years ago when I was using OS/2 Warp 4 
but only needed for very private documents.

It seems that there is a simpler route which would probably be less 
trouble for the recipient if I use "export as signed pdf."

It is not clear if I stay with an ODF document that I can use the image 
on the signature line and also invoke the certification. More reading 
and testing for this but one step at a time.  Will first secure my CA 
certificate and work out how to use it with KeePassXC.

That should keep me amused over the weekend.

Thanks again.

Budge.

On 01/09/2023 17:53, Philip Jackson wrote:
> Further to my last reply, you can encrypt a Writer file using pgp 
> within LO Writer. You can see the option in File > Save As  but you 
> will need an Openpgp client on your system and you will need to have 
> created a private/public key pair. Most all linux distributions 
> already have a pgp client installed [gnupg ?] but Windows users will 
> need to install gpg4win.
>
> Philip
>
> On 01/09/2023 10:19, budge wrote:
> > Hi Philip and thanks for the reply.
> >
> > I am learning how to use these tools and trying to understand how the 
> > various options for signing and also securing documents.  I am using 
> > Linux (openSUSE) for all this but no doubt windows users as 
> > addressees will be viewing and reading.
> >
> > I have two different objectives:-
> >
> > 1.    To insert a signature or rather an image of a signature in the 
> > right place in a document and in adding this signature image, render 
> > the document "signed" so that it cannot be altered without warnings 
> > or better.
> >
> > 2.    To secure a document so that is cannot be read or amended by an 
> > unauthorised and, even if read by an unauthorised person, cannot be 
> > altered.
> >
> > I can use PGP type encryption on emails etc already either to sign a 
> > message or to encrypt a message using my email client but am trying 
> > to work out how to do this with a LO document or spreadsheet which 
> > may need to be converted into a pdf.
> >
> > Is there a simple step by step guide for this?
> >
> > If I wish to store my private key for an LO signature will it go to 
> > the same "safe" as my PGP keys or my KeePassXC password manager?
> >
> > I need to have the signature image which can be used like a "stamp" 
> > and added to any document and there may be issues of scaling the size 
> > of the image to suit the environment in which it is used.
> >
> > If anybody can shine more light it would be very much appreciated.
> >
> > Budge.
> >
> > On 31/08/2023 12:48, Philip Jackson wrote:
> > > On 31/08/2023 12:09, Budge wrote:
> > > > I am trying to insert a signature line at the end of a spreadsheet 
> > > > and the text which appears in the for name and title are much 
> > > > smaller than the font setting for the sheet.  Where is this text 
> > > > font defined and how can I change it.  Also the date is not shown 
> > > > although the date option has been ticked for "show date in 
> > > > signature line."
> > > > Please can somebody advise?
> > > > Budge
> > >
> > > As I understand it, the date is only added when you sign the 
> > > signature line with a digital certificate. The creation of a 
> > > signature line is a separate activity from the signing of that 
> > > digital line.
> > >
> > > When you insert the signature line, it shows your name and status in 
> > > an image box. If you hover over this image box and then right click, 
> > > the context box shows at the bottom the option to sign the signature 
> > > line.  In order to do that, you must have previously created a 
> > > digital certificate in the form of an X509 certificate which you 
> > > save in LO.
> > >
> > > hth
> > > Philip
>
>
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