The GNU Privacy Guard (GnuPG) is a free replacement for PGP.

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Update Manager Error message [duplicate]

I get this message when I use Update Manager: W: GPG error: http://archive.ubuntu.com precise Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing ...
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116 views

Failed to add GPGKEY at http://cuda-repo/repos/GPGKEY to apt keys

I am trying to install JetPack-1.1.0 to my Ubuntu 14.04.2 x86_64 laptop. When the installation was at between %80 and %90 it warned me for installation of cuda-toolkit-6-5 cuda-cross-armhf-6-5 failed. ...
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1answer
44 views

Too many no_pubkey errors . How to fix?

After some updates few months ago i have these outputs: W: Erro GPG: http://sft.if.usp.br trusty Release: As assinaturas a seguir não puderam ser verificadas devido à chave pública não estar ...
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1answer
24 views

How to revoke old OpenPGP keys?

I've been foolish over the years and created a few OpenPGP keys for various reasons (mostly self teaching) and never revoked any of them or changed them etc before re-installs or whatnot. Anyhow I ...
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1answer
17 views

GnuPG key management - Revoke, delete or expire? [closed]

What's the best practice for eliminating keys you don't want? So I figured out that I have an extra set of keys. What I want to know is if I should expire the ones I don't want or revoke them or ...
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1answer
15 views

GnuPG Error - GnuPG failed to start because of “unsafe permissions” [duplicate]

Every time I start Kubuntu, I get same error. Here is the KSnapshot: Any suggestions on how to fix it?
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0answers
16 views

Key exists already but getting GPG error

I am using Ubuntu 14.04 64 bit desktop,and updating worked fine before, but suddenly it doesn't (it is a long time from last updating, so I can't ensure what operation leads this problem). As you ...
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16 views

Adding repositories behind proxy, receiving error message “gpg: keyserver timeout recieve failed” [duplicate]

I'm connected through a network proxy, and not able to add any repositories because of following error message: gpg: keyserver timeout recieve failed How can I fix this issue?
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1answer
36 views

Can't connect to ubuntu keyserver when guest in virtualbox

I'm trying to install an application on an Ubuntu 10.04 via a ppa. This setup is necessary since a customer's error seems to be platform dependent. Here's what sudo add-apt-repository ppa:user/app ...
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1answer
77 views

Unable to update ubuntu 12.04: GPG error : the public key is not available: NO_PUBKEY 3EF2666A18CEC0F6

W: GPG error: http://download.opensuse.org Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3EF2666A18CEC0F6 W: Failed to fetch ...
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2answers
34 views

GPG says that it needs a passphrase but it actually doesn't

I try to use GPG to sign files but something confuses me: If I enter in the terminal (the file I want to sign is called "checksums") it says: $ gpg -s checksums You need a passphrase to unlock ...
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18 views

Trouble adding a PPA and verifying with signing ring [duplicate]

I'm trying to add the ppa deb http://ppa.launchpad.net/sunab/kdenlive-release/ubuntu trusty main I've tried adding it to /etc/apt/sources.list but during the update process I get this error. W: ...
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0answers
127 views

GPG Password Agent and SSH Key Agent

Yesterday I wanted to add an app to the startup menu, and I noticed that there are two instances that weren't there before: GPG Password Agent and SSH Key Agent. I didn't install those, and I read it ...
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1answer
22 views

gpg equivalent of ssh-add?

I'm trying to use a passphrase-protected GPG key with Obnam, which invokes gpg (1.4.x on Ubuntu Server 14.04) in batch mode. gpg can't ask for the password in batch mode. All gpg-agent stuff that I ...
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2answers
1k views

Signatures not verified [duplicate]

These are the signature errors that persist after I tried several fixes mentioned on the Internet W: GPG error: http://deb.opera.com stable InRelease: The following signatures couldn't be verified ...
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1answer
63 views

gnupg permissions problems on dual OS machine

I am running Thunderbird with GnuPG on a dual OS machine (Ubuntu 14.04 and Windows 8.1). I forward Ubuntu's GnuPG to the Windows GnuPG with a symlink (according ...
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1answer
55 views

GPG Key/File Naming Confusion

When managing encryption keys in Ubuntu, I created a GPG key through the CLI with gpg --gen-key. Ubuntu provides a nice little GUI for managing keys called "Passwords and Keys". It however lists keys ...
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1answer
195 views

How to easily install any GPG GUI on Ubuntu that actually works?

I am trying to install any GnuPG GUI for easy encryption/decryption of text, and I feel like I am in bizarro world where nothing works at all. On Mac OS X, I use GPGTools and it works flawlessly, so I ...
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4answers
583 views

PGP Enigmail Problem, can no longer decrypt or sign my own messages

From one day to another my Enigmail Thunderbird Plug-In stopped working and I can no longer decrypt messages send to me encrypted with my public key. Even if I wrote these messages myself. Every time ...
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2answers
73 views

Silent installation for apt-get

For work I have to prepare a lot of PCs. I have to shove bunch of sudo apt-get install commands into the terminal - that's quite tedious. I could probably put all of them into sh script (maybe), but ...
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1answer
66 views

What is GPG error?

When my update is complete I am getting an GPG error but I don't know what is GPG.Can someone explain me what is this error and why it has occurred? I know how to fix it but I want to know what is ...
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1answer
236 views

Package with bad signature got instlaled on second try: how?

I executed my daily sudo apt-get update && sudo apt-get upgrade command, and got a bad signature error when hitting google chrome: Fetched 2178 kB in 2s (981 kB/s) Reading package lists... ...
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0answers
38 views

Updated to 14.04, Mutt only S/MIME? Whence PGP/MIME?

I might be going senile. Using the stock Mutt on 13.04 I was able to something like (E)ncrypt (from memory) and have it use GnuPG. With 14.04, the Mutt 1.5.21 that came with the upgrade, there's an ...
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0answers
114 views

Seahorse/gnupg: encryption not working properly in 14.10

I installed both 32bit and 64bit Utopic Unicorn on 2 PCs. As I usually do, I copied the .gnupg folder into the /home directory and installed seahorse-nautilus. Now I can decrypt my old files as usual ...
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0answers
140 views

gpg ask for passphrase every time although gpg-agent is configured

On Kubuntu Trusty and before, I had the GnuPG agent set up such that it would only ask for the password occasionally, like this: I have a .gnupg/gpg.conf: utf8-strings keyserver-options ...
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2answers
173 views

Unable to connect and GPG Error on Ubuntu 14.04

I have been getting the following error when i apt-get update Err http://extras.ubuntu.com trusty InRelease Err http://extras.ubuntu.com trusty Release.gpg Unable to ...
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1answer
37 views

How to make non-ascii-armored public key from ascii-armored secret key

I have old key pair (GnuPG keys), both only ascii-armored 1 fresh Ubuntu-Desktop 14.04 installation How can I make a non-ascii armored public key from the old secret key?
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1answer
1k views

GPG error: http://it.archive.ubuntu.com trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?) [duplicate]

apt-get used to work until a couple of days ago. Now I am banging my head on the wall with no avail. This is the output from a Ubuntu server 14.04 sudo apt-get update Get:1 ...
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1answer
691 views

Can't upgrade GNUPG?

I'm trying to upgrade my 1.4.14 GNUPG to 2.0.26 version and the repository has 1.4.14 version... I tryied removing it and building the lastest version from the official GNUPG website downloading its ...
4
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1answer
323 views

GPG Error (Trusty 14.04)

Every time I try to run sudo apt-get update I get the following after Reading Package Lists: W: GPG error: http://repos.codelite.org trusty InRelease: The following signatures couldn't be verified ...
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257 views

sudo apt-get update fails after running add-apt-repository -y ppa:git-core/ppa

I have a freshly installed Ubuntu 14.04. I have an issue trying to run sudo apt-get update on it after running add-apt-repository commands. For example, before running add-apt-repository -y ...
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1answer
56 views

How to find GnuPG keys for apt-get source?

Why trying to download the dbus package using: $ apt-get source dbus,I get the following warning: gpgv: Signature made Wed 17 Sep 2014 11:10:07 PM CST using RSA key ID A744BE93 gpgv: Can't check ...
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0answers
34 views

adding gpg keys

I am wondering if I add gpg key to my trusted keys using: apt-key add is this key checked every time I'm going to download any software from ppa which key belong? Can someone explain this ...
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0answers
89 views

How to cache pgp passphrase permanently with seahorse (14.04)

I am trying to get seahorse-daemon (formerly seahorse-agent) to cache the passphrase for private pgp keys permanently. I have used dconf-editor to set "gpg-cache-method" to always, but the setting is ...
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0answers
25 views

Refreshing package list fails with “public key is not available” [duplicate]

This error comes when I try to run sudo apt-get update W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: ...
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0answers
172 views

InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?) Ubuntu 14.04 LTS [duplicate]

I see this question was asked already, but I cannot find the answer for me. Here is the error I get, and I get it from today or yesterday - apt-get worked until few days ago: orliin@vbox:~$ sudo ...
2
votes
1answer
113 views

Why am I unable to access OpenPGP keys on Seahorse and access encrypted files?

I am unable to access my OpenPGP keys on Seahorse. I tried to create a new key but the key never appeared (though it did prompt me for details). After trying to create a new keyring none of the keys ...
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1answer
38 views

Signatures Invalid and Problem with MergeList error

So, whenever I try to update repos recently (via apt-get), I get something like this: Reading package lists... Error! W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures ...
8
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1answer
16k views

GPG ERROR NO_PUBKEY : WARNING: The following packages cannot be authenticated! [closed]

I have just stared to receive some strange errors regarding GPG keys. Namely I have just added ppa:ubuntu-toolchain-r/test and wanted to update and after that I got this: W: GPG error: ...
7
votes
1answer
1k views

“no public key available” while upgrading using update-manager

I decided to upgrade 12.04 to Ubuntu 14.04 latest. I followed... sudo update-manager -d Then it's opening the update-manger GUI. After clicking the upgrade button It's return the below error list: ...
2
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1answer
629 views

Seahorse “Decrypt” context menu does not appear in Nautilus

I installed seahorse and seahorse-nautilus, so I can encrypt any file with right-click in Nautilus, that works, wonderful. But there is no "Decrypt" menu on any file (not even .pgp files). Is it a ...
1
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1answer
43 views

gpg creation but no progress bar

Is there no longer a progress bar or some indecator when you create a gpg key in the passwords and keys app? I wasnt sure it was doing anything until later my new keys were there. Should this be ...
0
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1answer
41 views

Is .gnupg vital when upgrading 12.04 to 14.04.1

My "/home/owlsglobal/.gnupg" as not been getting 'backed up' for several months. (No idea why it stopped working.) Might an upgrade from 12.04 to 14.04.1 solve this problem, or should I solve this ...
0
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1answer
57 views

GnuPG installed from source causing issue with Seahorse and GPA

I have installed GnuPG version 1.4.18 by building from source, so it got installed to /usr/local/bin. That causes issues with Seahorse as well as GPA because they keep looking for the application in ...
1
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2answers
208 views

Don't remember PGP passphrase until end of session [duplicate]

To use my PGP key I always have to enter my passphrase. But as it happens, I have to unlock the key only once for every session. The desired behaviour would be, that I have to unlock the key each time ...
4
votes
1answer
33 views

How do I sign Ubuntu Code of Conduct with specific OpenPGP key?

I have four OpenPGP keys, I need to sign the Ubuntu Code of Conduct with a specific OpenPGP key. How do I make one of the OpenPGP key is default so I can sign the code with that key?
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1answer
129 views

How to transfer the apt keyring to another computer

I'm currently moving my installation of Ubuntu from one laptop to another. Both laptops run Ubuntu 14.04. I moved my /etc/apt/sources.list, the contents of my home directory, and installed all ...
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0answers
286 views

How to BuildMyOwnKernel, bumping +1 for revision number version?

I'm facing a hard time with Linux 3.13 from Trusty but, it is another topic (http://www.mail-archive.com/ubuntu-server@lists.ubuntu.com/msg06775.html), so, I decided to backport the Linux 3.16 from ...
1
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2answers
65 views

Does Enigmail defaultly check keyservers upon receiving signed emails?

How does Enigmail acquire the public key for someone who sends you an encrypted email? Do you have to import it yourself or does it get the key from a keyserver?
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0answers
90 views

Why does .gnupg belong to root?

What is the purpose for the .gnupg directory belonging to root. My system will not allow me to write to the directory b/c of it. Are there any security concerns with changing this?