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

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Do Seahorse and GPG terminal program work standalone?

I have generated a Personal PGP Key with the Seahorse GUI as instructed by Launchpad. I have to manually sign a file for the Ubuntu Code of Conduct but... GPG doesn't find the Key so I need to know if ...
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Can't sign Ubuntu code of conduct

This is what I get when I type command to sign the Code of conduct for Launchpad. clearsign failed: secret key not available I followed steps from Launchpad but didn't get the confirmation e-mail ...
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1answer
33 views

Fetching Ubuntu's OpenPGP keys for verification fails with “not a key ID: skipping”

I have entered this request into the "Terminal" program, per this documentation gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys "8439 38DF 228D 22F7 B374 2BC0 D94A A3F0 EFE2 1092" "C598 6B4F ...
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43 views

How to gpg check per repository

In RedHat or SUSE there is the option to enable or disable gpgcheck per repository name in the repo file. Is there such an option in Ubuntu / Debian I want some repository to be checked and others ...
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2answers
46 views

GnuPG generating public/private key pair where public key and Private key are same and not different

I want to generate GnuPG public private key pairs. I have gpg and not gpg2 installed.So I went to terminal and did: gpg --gen-key output: Please select what kind of key you want: (1) RSA and ...
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67 views

Difference between pgp protocol and rsa protocol [closed]

These are the two widely used protocols in a number servers and email applications for security with public private key pair. What is the difference between them? What are the other popular protocols ...
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15 views

What is the difference between GPG and PGP [duplicate]

Whenever I search GnuPG webpages, somewhere they write GPG and somewhere they write PGP. They say the full form of PGP is Pretty Good Privacy. So what is GPG then? What is the difference between them?
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What is & Why do I need “ Linux Vendor Firmware Service <sign@fwupd.org>” key?

As I was exploring and learning PGP keys, I encountered this : When I did root@Tux:~# gpg2 --list-keys , I get this : root@Tux:~# gpg2 --list-keys /root/.gnupg/pubring.kbx ------------------------ ...
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2answers
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After creating revocation certificate for OpenPGP key unable to locate it

I created an OpenPGP key. It is an RSA key pair. I created revocation certificate: gpg --output revoke.asc --gen-revoke $GPGKE But I am unable to locate the file revoke.asc. Where can I find it?
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1answer
108 views

Enigmail issue with Ubuntu 16.04, Thunderbird 38.8.0

Enigmail! It's great for remaining secure. When it works, anyways. I seem to have a bit of an issue with Enigmail in which I can click on an encrypted email, but the email simply shows a blank page ...
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95 views

How to configure GnuPG's S.gpg-agent socket location?

GnuPG places its socket S.gpg-agent at ~/.gnupg/S.gpg-agent by default. I didn't find any way to configure the location of this socket nor seems there to be a manpage of gpg.conf. Background: I want ...
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1answer
35 views

GPG error: http://archive.cronical.com trusty InRelease: Clearsigned file isn valid, got 'NoDATA'

I'm getting this error when I try to update ubuntu 14.04: GPG error: http://archive.cronical.com trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)...
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30 views

Enigmail in Thunderbird works only with root

Hi I have a problem with in Thunderbird with enigmail and pinentry-qt4. I went through several tutorials and forums and followed all the steps. Now I found out that it works fine when I run ...
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1answer
65 views

GPG Key Created But WIll Not Decrypt

I created a GPG key with Ubuntu 16.04's "Passwords and Keys" and pushed it to the Ubuntu server. I tried to import into Launchpad, but when I got the email to decrypt, I keep getting an error saying ...
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1answer
38 views

How to reactivate personal X.509 and PGP (GPG) keys after upgrading Ubuntu?

I recently upgraded to Ubuntu 16.04 LTS (64 bits). My GPG keys are still there, but aren't working to decrypt encrypted files - it worked fine before upgrading. Same thing for my X.509 certificates. ...
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1answer
40 views

Select PGP signature key in KMail

I have just generated a new PGP key pair with KGpg. I want to use the key for signing and encrypting mails. I have done that before without problems ... now it no longer works. Either I have made a ...
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7 views

How can I make sure O/S doesn't use a particular Signing Key (gpg)

Actually this is two (2) different questions. I am on Xubuntu 14.04 but I believe the answers would be the same for all *buntu variants. The first one is in the title of this message. The second is ...
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39 views

How can I have password manager cache my gpg password

On Ubuntu 14.04 I was asked if I liked to store the password of my newly generated GPG key in the password manager. I've reinstalled my system with Ubuntu 16.04. Unfortunately I'm no longer getting ...
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1answer
105 views

Apt-get update error: NO_PUBKEY

I am on Ubuntu 12.04. When I am using command sudo apt-get update then I am getting the following error: W: GPG error: http://ddebs.ubuntu.com precise-proposed Release: The following signatures ...
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73 views

kwallet + gpg kubntu

I've installed kubuntu 16.04 and create gpg key. But when I try to create a new wallet with kwallet it can't find no one encryption key. I tried to create pair of keys with gpg and kgpg, in both cases ...
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60 views

I have no idea about how the following lines ended up in my root's .bash_history?

-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iJwEAQEKAAYFAlb7STMACgkQh7sHtMmeQOHEcQQAorwdGYtbPMN8aS5hM0hvhy+O s7vxpbSdfvKHVskYUiml0UvC3zhA3cyqMjiKHpnOR4Zhaq4esrPcbHQSzJbn4vGn lW2+...
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79 views

after 16.04 upgrade, Pinentry does no longer allow keepass2 password entry

While working with 15.10, I had to press Ctrl + Alt + A to open a Keepass2 box where I could choose the proper entry for autotype. Keepass2 recognized the entries to present by the name of the window ...
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1answer
476 views

Can't update/upgrade du to “Could not execute 'apt-key' to verify signature”

I installed Ubuntu 16.04 last week on my server on a Digital Ocean droplet and since then I can't update nor upgrade anything on my server. Ma version Linux 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 ...
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55 views

getting GPG error while running apt-key & apt-get update

OS: Ubuntu 14.04.3 LTS When I am running apt-get update I am getting below error Ign http://us.archive.ubuntu.com trusty/main Translation-en_US Ign http://us.archive.ubuntu.com trusty/multiverse ...
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1answer
34 views

How to push OpenPGP keys for a (custom) Ubuntu repository to clients running on Ubuntu server?

I have a number of devices running on Ubuntu trusty, syncing with a custom Debian package repository for software updates via unattended-upgrades. However, the OpenPGP key used to sign the release ...
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1answer
113 views

GnuPG still 1.4.16 after 2.1.11 installation

I have followed the steps in an tutorial to install GnuPG 2.1.11 (even found an error with libgpg-error version, but corrected it). Even so, when I do a gpg --version, the system response is: gpg (...
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1answer
112 views

Same command that works in terminal does not work as Thunar Custom Action

I want a simple semi-safe command that encrypts a file using gpg symmetric encryption and then remove the original file. In the terminal this command works fine: gpg --passphrase-file /home/xxx/....
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22 views

GPG error please help

Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/Release Unable to find expected entry 'restricted/source/Sources' in Release file (Wrong sources.list entry or malformed file) I ...
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1answer
111 views

apt-get repository signatures were invalid

I ran sudo apt-get update then got the following error: GPG error: http://archive.ubuntu.com trusty Release: The following signatures were invalid: BADSIG 16126D3A3E5C1192 ...
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3k views

How can I fix “W: <…> The repository is insufficiently signed by the key <…> (weak digest)” in my private repository?

I maintain a series of private repositories. The gpg keys used to sign the repo were made with "Key-Type: RSA" and "Key-Length: 4096". The version of GPG used to generate the keys is 1.4.16 on ...
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121 views

Getting error in sudo apt-get update [duplicate]

I am using latest Ubuntu version. I'm having 64-bit system. When I run sudo apt-get update I get the below errors at the end of the result. ... Get:79 http://us.archive.ubuntu.com precise/universe ...
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2answers
281 views

Problem with apt-get update: Some index files failed to download

I have a trouble when I try to use sudo apt-get update which gives this error: Fetched 5.530 kB in 53s (104 kB/s) W: GPG error: http://extras.ubuntu.com precise Release: The following signatures ...
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1answer
42 views

How to match exported OpenPGP public and private key pairs?

I have a few backed up public and private key files. How can I check which public key file corresponds to which private key file? I had generated 2048 byte public and private GnuPG key pairs using ...
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1answer
404 views

How do I install GnuPG 2.0?

In Ubuntu 15.10 when using Mozilla Thunderbird with Enigmail I get the following warning (in Swedish): Du använder GnuPG version 1.4.18, vilken inte längre stöds. Enigmail kräver GnuPG version ...
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46 views

Ubuntu offline repository

Hi i have use this link create authentic repository to creat offline authenticated ubuntu repository. it is working fine when i install package like sudo apt-get install apache2 but I am trying to ...
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1answer
383 views

How can I get rid of this NO_PUBKEY errors?

sudo apt-get update is giving me this error at the end. I'm using "Y PPA Manager" and it seems that now all PPA's are O.K., but the problem (I think) is with the official Ubuntu repos: W: GPG error: ...
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1answer
48 views

Back-up utility endlessly asks for encryption password

I am running Ubuntu 14.04 LTS updated today. As I tried to start the scheduled back-up (on an external drive), the dialogue box asked me the encryption password endlessly and never proceeded to ...
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1answer
42 views

Apt-get not working after removing gnupg

I just removed gnupg and broke my system. Right now for example apt-get is not working anymore. Any ideas how i can get it working again or i can reinstall pgp without apt-get?
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3answers
96 views

debuild - secret key not available (someone elses key)

I'm trying to build cairo with debuild. I get to the end and this message: gpg: skipped "Robert Ancell <robert.ancell@canonical.com>": secret key not available Since I'm not Robert Ancell, ...
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2answers
85 views

Software & Updates (software-properties-gtk): 'EOFError: marshal data too short'

I cannot open Software & Updates tool on 14.04 and get the following error: Here is the full output of apt-get update, it shows this warning: W: GPG error: http://dl.bintray.com Release: The ...
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0answers
252 views

gpg-agent and SSH: No keys

I'm trying to enable SSH authentication through my GPG subkey, using this tutorial. However, I borrowed and used the .init script from this blog (in lieu of editing my Xprofile). However, I'm getting ...
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33 views

systemd service asks for gpg password in Unity

I have some systemd-timers to sync my mails via imap. Since I don't want to store my passwords in clear text I use gpg to encrypt and decrypt them. When I am using Unity each time the timers run the ...
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68 views

Is there any way to decrypt a file create with the following command?

I create a file using: gpg --cipher-algo AES256 --output file -c original_file The system ask me for a paraphrase and I typed in. So the question is: Is there any way to decrypt this file without ...
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1answer
29 views

What keys is GnuPG using for signature verification?

Let assume that I have a list of three key pair on my bash screen when I run the following commands: gpg2 --list-keys and gpg2 --list-secret-keys My question is, when I run the following command ...
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66 views

apt-get update: “GPG error: Clearsigned file isn't valid, got 'NODATA'”

after running 'sudo apt-get update' I see this in terminal:
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2answers
693 views

How to fix missing gpg key even though it should have been imported?

I am changing the way I install docker on a bunch of machines as pointed out here. It worked fine on one, yet this one behaves strangely. I have imported the key: sudo apt-key adv --keyserver hkp://...
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1answer
71 views

Search and encrpyt single file in gpg encrypted folder

i have a huge gpg encrypted tar-gzip file ~100 GB. But only need a single folder from it. I can list/search the content by doing eg. gpg -d file.tar.gz.gpg|tar -tz |grep "filename"|more This is ...
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1answer
309 views

How to disable apt key checking for private repositories under Ubuntu 14.04?

Under Ubuntu 14.04 I cannot get this to work. Our PCI auditor told us we can not have direct outbound access to the Ubuntu repo's, so I mirror them with reprepro. Likewise, we do not have outbound ...
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191 views

gnome-keyring/pinentry gpg key password saved indefinitely after ubuntu 15.10 upgrade

After upgrading to ubuntu 15.10, the password prompt for gpg keys has changed to a program called pinentry. The pinentry prompt provides a text field for the passphrase, as well as a checkbox for "...
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How to install mysql 5.7 on 14.04 using apt-get - W: GPG error: [duplicate]

How to I get the keys for installing mysql? I dont know how to add the keys. gpg --recv-keys 5072E1F5 curl -s ??????? | sudo apt-key add - echo 'deb http://repo.mysql.com/apt/ubuntu trusty mysql-5.7'...