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

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10 views

Clear the cache of GPG : pub ,uid and sub

I am currently experimenting the key-pair using the command gpg --gen-key after I viewed the list using the command gpg --list-keys it is showing a bunch of pub,ui and sub combination although ...
1
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1answer
48 views

E:The method driver /usr/lib/apt/methods/gpgv could not be found

Anytime I go to update and/or upgrade, apt-get returns the error below: Failed to download repository information E:The method driver /usr/lib/apt/methods/gpgv could not be found. Running: 12.04 ...
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5 views

GPA Seahorse won't recognize key id's

The list of keys shows that I have the key whose ID is "Key-ID", but every time I try to use the key, GnuPG doesn't recognize it. What is the problem? I've tried everything imaginable. Downloaded ...
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2answers
29 views

Trying to import a friend's public OpenPGP key - but nothing happening and I cannot see the key

Strange issue: A friend of mine sent me his public OpenPGP key. I tried the following: Method 1 Pasted his OpenPGP key block into a .txt file Launched seahorse and clicked on File > Import ...
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16 views

Ubuntu 14.10 Utopic Update Error [duplicate]

I recently upgraded to Ubuntu 14.10 Utopic & ran the "Intel Graphics Installer for Linux" to upgrade the driver. Now after running the updater I get this : "W: GPG error: https://download.01.org ...
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2answers
24 views

How to share the public OpenPGP key using GnuPG?

I used GnuPG to generate a key. But looking at the GUI, I cannot tell where my public key is stored. I would like to share it with friends. I clicked on export, this exported a name.asc file, but ...
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1answer
43 views

GNUPG / GPG / S3 / Duplicity gpg: no default secret key: secret key not available

I using S3 / duplicity back up script, save my files. It has been working just fine, until I added a second gpg key. Then all hell broke loose. I tried to deal with two keys, then I delete the second ...
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57 views

Can't add ppa behind proxy?

First I set up /etc/apt/apt.conf to use my proxy and now I can update with sudo apt-get update. Now I want to add some ppas but can't. I try to add a PPA behind my proxy so I set up http_proxy and ...
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1answer
58 views

How to repair missing GPG public keys for packages

Earlier today I was removing VirtualBox, and when removing its public key, I accidentally instead of putting the key ID, put the fingerprint: sudo apt-key del 7B0F AB3A 13B9 0743 5925 D9C9 5442 2A4B ...
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16 views

dpkg-sig produces no output

Installed dpkg-sig to verify a package - it produces no meaningful output, just "processing" and then no result either way (signed or not signed correctly). Example: $ dpkg-sig -c ...
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0answers
96 views

GPG error KEYEXPIRED when using sudo apt-get update (Ubuntu 15.04) [duplicate]

Reading package lists... Done W: GPG error: http://deb.opera.com stable InRelease: The following signatures were invalid: KEYEXPIRED 1435908620 KEYEXPIRED 1435908620 KEYEXPIRED 1435908620 The ...
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1answer
27 views

How do I use GNUPG to create a signed message?

To better explain I used gpg --output encrypt.txt --sign encrypt to create an encrypted file that can be decrypted with my public key, but what I would like to do is to output an encrypted message ...
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0answers
111 views

Broken package ubuntu-keyring (ubuntu 15.04 64 bit)

I've tried to reinstall ubuntu-keyring, because i couldn't fix some GPG errors, but the apt system has failed, Now, i can't even upgrade or install anything. i tried i lot of things such as : sudo ...
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0answers
24 views

trying to import GPG key to launchpad

i am totally new to ubuntu and i want to get involved in development process. I went through the processes of setting up my pc according to the requirement and i am struck at uploading GPG key to the ...
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2answers
88 views

Installing Tor on Ubuntu 14.04

Hey guys I've tried installing Tor on my Ubuntu 14.04 but with no luck. I did just as the instructions in the official Tor website said but a problem appears in the middle. The instruction says: ...
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0answers
27 views

How to remove old, unused keyrings in /etc/apt/trusted.gpg.?

I frequently receive error messages of the following type: gpg: keyblock resource `/etc/apt/trusted.gpg.d/rwky-nodejs.gpg': resource limit It seems apt-key available cannot handle so many ...
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1answer
21 views

How to transfer Launchpad SSH and OpenPGP keys to another computer?

I maintain some PPAs at launchpad. I created SSH and OpenPGP keys for that. If I need to update a PPA from another computer, I will have to transfer these keys there. I tried to export and import ...
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25 views

libgpg-error throws gcc fatal error

Attempting to install some GnuPG packages on Ubuntu 12.04 When attempting to install libgpg-error, I am getting a gcc fatal error. Here are the commands I am running (in the libgpg-error directory) ...
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1answer
86 views

getting GPG error while runnign “sudo apt-get update” command [duplicate]

System detail: Ubuntu 14.04 LTS (64 bit) Executing command on terminal: sudo apt-get update Got Error: . . . Fetched 2,079 kB in 1min 1s (33.7 kB/s) Reading ...
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0answers
33 views

GPG adding secret key

I have trouble with gpg commands. I downloaded a public key, saved it with gedit with, imported it with gpg. Now when i decrypt a message, it wants a secret key. This key is outputed and i have to ...
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1answer
16 views

GPG having trouble

Im having trouble with GPG. I downloaded a public key saved it with gedit and imported it. Now i have the public key but not a secret key. How can i import also the secret key?
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2answers
128 views

Untrusted packages warning

When I try to update my system I get following warnings: W: GPG error: http://archive.canonical.com vivid Release: The following signatures couldn't be verified because the public key is not ...
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1answer
71 views

GPG key issue qTox repository

I have noticed that after installing qTox and its repository, that when running the commands (and it's either at the end of the first one, or at the beginning of the second one, sorry, but I cannot ...
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0answers
50 views

Empty list in Trusted Software Providers

I was checking something on the Software & Updates and I noticed that in the Authentication tab, the list with the Trusted software providers is empty! Does anyone know how can I recover the list ...
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1answer
43 views

How to use an exisiting OpenPGP key from Launchpad

I want gpg to use my existing active OpenPGP key from Launchpad without having to generate and import a new key. $ gpg --list-keys returns nothing. Btw I'm trying to sign the Code of Conduct $ ...
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17 views

The following signatures couldn't be verified because the public key is not available [duplicate]

I opened up the terminal typed sudo apt-get update and after it finished I got this GPG error: <W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be ...
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92 views

gpg-agent not handling ssh after ubuntu upgrade

My ubuntu 14.10 setup had gpg-agent handle ssh logins as per the instructions here: http://www.bootc.net/archives/2013/06/09/my-perfect-gnupg-ssh-agent-setup/ It stopped working after I upgraded ...
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2answers
102 views

The safest way to backup GPG and SSH keys

I have, in Ubuntu 14.10, generated a public and private GPG and SSH key set, but I am now needing to do a fresh install and don't want to lose them but don't just want to put them as text files on a ...
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25 views

Apt-Get missing keys and won't let me add new ones [duplicate]

APT gives me this when I run sudo apt-get update: W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified because the public key is not ...
0
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1answer
35 views

gnuPG encrypt and decrypt folder

I use this command to compress and encrypt a directory: tar zcvf - /tmp/directory | gpg -c > /tmp/directory.tar.gz.gpg What is the command to decrypt and unpack at the same time?
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2answers
124 views

How do I safely uninstall gnupg?

Warned by Enigmail they soon won't support gnupg and switch to gnupg2 I installed the later. Now trying to remove gnupg, I see a bunch of software will be removed as a consequence: apt apturl ...
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1answer
35 views

How to get rid of “The authenticity of host 'bazaar.launchpad.net (91.189.95.84)' can't be established.”

I have seen the response when ever I ssh to a server for the first time. After I give yes, it is never asked again. My question is, is there a way to solve this ? I mean I am expecting, from the very ...
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0answers
44 views

Passphrase in a script

I am trying to decrypt the content of a gEdit tab using an external script. My script is based on this article: http://blog.brunobraga.net/encrypting-and-decrypting-with-gedit/ #!/bin/bash ...
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0answers
23 views

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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869 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
234 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
74 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
53 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
39 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
26 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 ...
1
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1answer
234 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
196 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 ...
1
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2answers
155 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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0answers
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: ...
2
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1answer
323 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
28 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
4k 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
119 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
82 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
609 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 ...