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Hi :)
Do the "Published Guides" help at all?  They are both here;
and here;
and a few other places but those two links have them for free.

The Published Guides are usually the best documentation in English.  There
is the Faq and the 'in-built' help but the Published Guides tend to be a
LOT better.  The other help tends to be MUCH easier to translate, and
people work hard at that, so the translations tend to be excellent but for
English please try the Published Guides.  Having said that i'm not sure if
they cover this issue!  Please let us know.
Regards from
Tom :) xxxx

On 12 October 2015 at 14:49, Philip Jackson <>

Hi, I have been using signatures occasionally over the past couple of years
without any problem.  I initially used Firefox to load my signature
with the root.  LO swriter then had no problem  finding the certificate and
signing with it.

Now, my old certificate has expired and I have the replacement certificate
installed in FireFox..

Your email prompted me to try and sign a document with my new
certificate.  LO
cannot see my new certificate (only the old expired one).

As usual (see recent threads) the LO Help doesn't actually help very
much.  It
talks about an ADD button in the Digital Signing dialog but I don't get an
button.  I can sign with the old certificate even though it is expired and
the document shows that the signature is broken.

I used FireFox to remove my expired certificate and even after rebooting
LO only
sees the expired one and not the new one.  Still no ADD button so does LO
users to a single certificate ?  Where does LO store the certificates ?

I found the answer to this by looking in the LO writer
Tools/Options/LibreOffice/Security tab

There the bottom item was Certificate Path and it gave me two choices :
profile or Thunderbird profile

My LO was on Thunderbird's profile and I had forgotten to update that one
my new certificate details.  So I switched to FireFox which was up to date.

After re-starting LO, my document could be signed by the new certificate.

I updated my Thunderbird profile with the new certificate and set LO to
Thunderbird.  After restarting LO, I tried to resign the document.  But
from the
Thunderbird profile, LO only sees the outdated certificate.

So I conclude several points :

1. LO Writer can only see 1 certificate in either FireFox or Thunderbird
profiles and that is the oldest of however many certs are present.

2. If the oldest is out of date - tough

3. LO Help button on the digital signing dialog box lands the user on a
which correctly announces that it has no information.

4.  searching on the LO Help website finds some help which talks of using
ADD button to add a certificate.  But at least with LO (Ubuntu
1404 LTS
with their latest updates), I cannot find any such button.

5. My solution was to delete the expired certificate from FireFox profile.
LO correctly used the new one which had remained invisible up to that

I am not sure that time expired certs should be deleted.  They are probably
needed to verify old signatures or to decrypt old files.


On 12/10/15 04:14, Евгений wrote:
No one here used signatures?
No one can help or give some advices to resolve problem?

07.10.2015, 10:00, "Евгений" <>:

Can someone help me with digital signatures?

I tried LO 5.0.2, and even AOO 4.1.1 on windows server 2008 r2.

I have imported root CA certificate. I have copied private and public
keys to registry from token.
My certificate is valid.

When i use "File - Digital signatures" and try to add one to document -
nothing happens.
I can see my certificate details from LO dialog, but when i select it
and press OK - none added to document.

Document - ODT file.

No errors or other messages appeared.

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