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1answer
588 views

GPG Error, can't update 12.04 [duplicate]

I have seen the following question, however it doesn't solve my problem: Update Manager Error - Authentication Error I can't update my Ubuntu 12.04! I get the following error after running sudo ...
0
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0answers
61 views

Update problem - NODATA 1 NODATA 2 [duplicate]

I'm still a newbie and have no idea how to solve this problem (Ubunut 12.04): When I type sudo apt-get update I get E: GPG error: http:// http precise/ Release: The following signatures ...
0
votes
1answer
23 views

Problems with signature of archive? [duplicate]

Possible Duplicate: What is the easiest way to resolve apt-get BADSIG GPG errors? I have a Ubuntu Server VM running 12.10 and functioning as a Minecraft server. I tried to run updates on ...
3
votes
1answer
280 views

How can I validate a pdf's digital signature with evince?

A while ago I received a PDF file that was digitally signed. The Document Viewer (Evince) shows me that the digital signature was not validated. How do I add the file's digital signature to evince ...
1
vote
1answer
52 views

How to publish your key used to sign deb packages so you will be able to use your repository from any machine?

I am looking for a solution that would prevent me from seeing things like: W: GPG error: http://updates.example.com lenny Release: The following signatures couldn't be verified because the public ...
1
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1answer
430 views

Can't make Safenet PKI client “find” my etoken (12.04 LTS)

Well, I need to use the Etoken to digitally sign invoices in my country for my company. I have installed Safenet 8.1 software, and I am currently running Ubuntu 12.04. The PKI client (from Safenet) ...
1
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1answer
105 views

How do I digitally sign emails outgoing from different identities?

To send emails, I use one SMTP server, say domain1.com. But I use two identities that set up in Thunderbird, say agmenor@domain1.com and agmenor@domain2.com. For those who are not knowledgeable about ...
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2answers
2k views

How do I digitally sign a PDF?

I have already acquired a S/MIME certificate (a .p12 file) issued by an authority. Using it in Writer, I can digitally sign documents by following this procedure : How do I make a digital certificate ...
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1answer
359 views

Files/E-mail not signed with Kleopatra/KMail. gpg-agent

Important edit: The things almost work right know (I had put to open as a new session on system setings and reboot the computer). When I tried to sign and encript a file with Kleopatra the pinentry ...
3
votes
2answers
1k views

How do I make a digital certificate available to LibreOffice Writer for digital signatures?

I obtained a client certificate from CAcert through Firefox. I want to use that certificate to sign a document created with LibreOffice Writer. In Writer, I click File > Digital Signatures... to ...
1
vote
1answer
375 views

How to fix bad apt signatures after hardware clock reset

So recently I left my laptop unplugged for a few minutes, and since it has literally nearly zero battery, it cut off without any graceful shutdown. Anyway, after turning it on, it says (via BIOS) ...
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3answers
9k views

GPG Invalid Signature

I am having problems with the following (in an attempt to remove hyperlinks, I have removed one of the "/" from the addresses): W: GPG error: http://archive.ubuntu.com oneiric Release: The following ...
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0answers
1k views

GPG error from apt-get [duplicate]

Possible Duplicate: What is the easiest way to resolve apt-get BADSIG GPG errors? Whenever I run apt-get update or apt-get install I get an error akin to the following: W: GPG error: ...
2
votes
1answer
767 views

Ubuntu Extras keyring error [duplicate]

Recently I got lots of GPG errors and tried the following methods at various stages: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3E5C1192 sudo apt-get install -reinstall ...
3
votes
1answer
236 views

How can I attach different signatures to individual emails using the same account in Evolution?

I currently have Gmail set up as my default account with Evolution. I have various signatures that I would like to use and select prior to sending specific emails. Is there a way to: Create a ...