Questions tagged [pgp]

Pretty Good Privacy (PGP) is a data encryption and decryption computer program that provides cryptographic privacy and authentication for data communication.

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Error gpg verify

I need to download tor, done it but cant verify sig. i've done gpg --auto-key-locate nodefault,wkd --locate-keys torbrowser@torproject.org gpg --output ./tor.keyring --export ...
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How do i generate a certificate to sign pdf electronically?

I'm stuck trying to figure out what kind of certificate I need to create, and how to create it to sign PDF's with LibreOffice. I created a GnuPG key, that did not work. I tried to create a private key ...
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Apt-get NO_PUBKEY error after trying to install mongodb

I issued this command to try to install mongodb wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | sudo apt-key add - It all seemed fine untill I tried to run apt-get update and got a ...
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How to import pgp backup back into smartcard?

I generated a backup of my master key and 3 sub keys following this into these archives: gpg.conf mastersub.key openpgp-recovs.d private-keys-v1.d (contains 4 .key files) pubring.kbx random_seed ...
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gpg: no valid OpenPGP data found while installing brave browser

I've executed the below command line: curl -s https://brave-browser-apt-release.s3.brave.com/brave-core.asc | sudo apt-key --keyring /etc/apt/trusted.gpg.d/brave-browser-release.gpg add - I've got ...
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KGPG will not start after first install

I installed and exported my keys into KGPG yesterday. Since I unpinned it to the start menu it will not start. Have tried removing the package and reinstalling it multiple times. Also have tried ...
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What is the file named linux_signing_key.pub in the home folder and can I delete it?

I found a file linux_signing_key.pub in my home folder. What is it for? Can I safely delete it?
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Tried to generate PGP key with seahorse got error: Couldn't generate PGP key, not found

I'm trying to use seahorse to generate a PGP key. When I hit ok then it returns aerror Couldn't generate PGP Key, not found error What would I need to do to fix this? This is the output when I run ...
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how to decrypt pgp file? What is best GUI tool for it?

i have my s.jpg and t.jpg encrypted. Need to decode them with nazar*.pgp how to do it? Best GUI method.? Seahorse??
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Enigmail pgp key in Libre office

sorry if this was already answered, but I couldn't find the right answer on my own. I am using Enigmail in Thunderbird and created a pgp key (priv and pub) for myself in Enigmail. Now I want to sign ...
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1answer
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Importing GPG key in ubuntu:bionic Docker container

I am trying to import a GPG key on a Gitlab CI system with an ubuntu:bionic Docker image. To do this securely, I have to store the key in a so called secret variable (which then simply becomes an ...
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Generating an encrypted pgp message verses a encrypted pgp file.

I am using seahorse to encrypt a message. By right-clicking in the nautilus GUI and selecting "Encrypt," then selecting the recipient. However, if wanted to send an actual message in the format ...
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510 views

Sync PGP key with Ubuntu keyserver [closed]

I tried to save my PGP public key on keyserver.ubuntu.com, but it didn't work. I tried to save from the console and a web form. When I save from the web form, I get the error - Unexpected POST ...
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Add PGP key as attachment in Evolution

Using Evolution 3.28.1-2 (installed from the Ubuntu 18.04 repositories) and added my PGP key to one of my accounts. It works fine but Evolution inlines my PGP key instead of adding it as an attachment....
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Apt-mirror key question

Before downloading PPAs with apt-mirror I need to have the PPA GPG key installed in my key ring, e.g. by using the command add-apt-repository ppa:something/ppa After this (and editing mirror.list) ...
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658 views

Cannot add apt key to install Koha

When I try to install Koha and run this command to add the key: wget -o- http://debian.koha-community.org/koha/gpg.asc | sudo apt-key add - I always get this error message: gpg: no valid OpenPGP ...
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Restore enigmail private keys from file system

I have a newly installed Ubuntu 17.10 and do want to recover my private pgp keys from an already extracted duplicity backup. How to accomplish this task?
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How do I use PGP with Thunderbird in 16.04? [duplicate]

I'm an Ubuntu newbie. Can anyone tell me how to set up PGP on Thunderbird today? It looks like it may have changed. Should I download more of the canonical apps (an option in software setup)?
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What kind of PGP key does ubuntu 2016 come with?

I'm trying to write about this subject in my blog and I didn't find an answer to which PGP key does Ubuntu come with (PGP 4, 5, open?)? It is already installed and the only thing that it says is that ...
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Do I need Django-2.0.checksum.txt to check if the downloaded tar.gz is not malware ?

I am a newbie in Ubuntu and bash. I want to install Django on my Ubuntu 14.04 by typing bash commands in the terminal. I downloaded Django latest release from here https://www.djangoproject.com/...
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Easy PGP Ubuntu 16.04

Is there easy use and install graphic pgp software for ubuntu 16.04? Not for email use. I tried to install gnupg but instructions didn't work. Can I use email versions for text use only? What would ...
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How to change the gpg key of the pass password store

One can use pass as a password manager to store passwords. One thing that is not clear from the manual is whether it is possible to easily change the gpg key that is used. One initializes the ...
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455 views

Actions in kleopatra result in general error

I have setup a fresh kubuntu 16.10 installation from cd. I have a seperate home volume (physically and logically) which is mounted at start. After installing kleopatra I am not able to do anything ...
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The following signatures couldn't be verified because the public key is not available

Before marking this as duplicate, please read the whole question. I've tried all the suggestions in all the related questions I could find, without any success. I get errors about missing keys for ...
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139 views

Enter GPG passphrase with Zenity GUI enviroment

I am working about a Zenity GUI based GPG application. But I have a problem with that. GPG ask passphrase for encryption in terminal with this command gpg -c $FILE. However users must enter their ...
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Generated pgp keys to thunderbird enigmail

I generated a keybundle by gpg --key-gen. How can I find this keys and import them to thunderbird enigmail now? And shouldn't enigmail find them by itself? It only imported the public key. I looked ...
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.gnupgp in .hplip in my home directory Ubuntu 16.04

Why is there a .gnupgp subdirectory in ~/.hplip? I do have a ~/.gnpgp directory, but why is one in the .hplip? The contents are different. Thanks!
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gpgkeys: key F60F4B3D7FA2AF80 not found on keyserver

How can I fix this issue? mona@pascal:~$ sudo apt-get update Ign file: InRelease Get:1 file: Release.gpg [181 B] Get:2 file: Release [196 B] ...
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2answers
936 views

How to securely send bank details to someone? [closed]

I have completed my internship and my employer wants me send him my bank account details so that he can transfer me my stipend. How can I securely do this? I have Ubuntu MATE 16.04. My employer is not ...
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Ubuntu 16.04 PGP Key Importing problems

I just installed Ubuntu 16.04. The only problem is that I cannot get them to show up in my Passwords and Keys application. Typing gpg --list-keys in terminal shows all the keys I've added but they don'...
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How can I verify whether my OpenPGP key revocation was uploaded successfully?

I just revoked my old PGP key using Enigmail in Thunderbird. I uploaded the revoked key and deleted it afterwards. Now I'm wondering, how can I verify that it is really revoked so that other users ...
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Why doesn't Ubuntu/Thunderbird save my PGP key?

I installed Thunderbird and followed the instructions from: https://help.ubuntu.com/community/GnuPrivacyGuardHowto to set up PGP. First it worked, but after restarting my system the next day, I wasn'...
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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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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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How do I generate and use a PGP key on Ubuntu touch?

I'm just starting using Ubuntu touch and of course would like to report every bug I meet. So I sign into to launchpad and like to sing the code of conduct. So I need a pg key... Is it possible to ...
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1answer
262 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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Ubuntu 15.1 PGP not working

I am trying to create a PGP key on my ubuntu version 15.1. I find passwords and key and hit the "+" button to create a new PGP. I enter all the info, but after I submit my password no progress bar ...
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247 views

How is the authenticity of Ubuntu updates verified?

I couldn't find much info on the security of Ubuntu (and Linux in general) update verification/security. The connection appears to be plain ftp. but the packages are signed using a private key and ...
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767 views

“BAD signature” when trying to verify SHA256SUMS

when i try to verify the SHA256 sums of Ubuntu 14.04.3 LTS, i get "BAD signature". I have tried to download SHA256SUMS and SHA256SUMS.gpg on a different network (just to be sure that isn't the ...
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169 views

Encrypting emails with own pgp key in Thunderbird

Don't know if this is the right SE to ask this question, feel free to move the question to another one. Many emails in my inbox are not encrypted: the sender has is not technically educated enough, ...
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2answers
2k 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 Selected ...
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1answer
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Can PGP keys in Ubuntu be replaced?

If some attackers compromised an ISO image of Ubuntu and replaced inner PGP keys , then I will not to able get & install security updates. Is it right? I'm asking it because I possible may meet ...
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Adding PGP key in Open Terminal

Trying to install Kali tools into UBUNTU 14.04. But couldn't figure out how to Add PGP key in Open Terminal as told here Installing Kali tools into UBUNTU 14.04 LTS Can anyone please tell me how to ...
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1answer
475 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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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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GPG vs PGP keys - I am confused [duplicate]

Is it a GPG key or a PGP key? Or do you just use gpg to produce the pgp key? I see them used together, and its just a tad bit confusing. What do they stand for?
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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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15k views

How do I revoke a PGP key on a server?

Here's the situation, I have a PGP key I generated a long time ago and I have lost my private key. However I have a revocation certificate on my USB drive and I would like to revoke the key. After ...
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How to transfer public and private PGP keys to another computer?

How do I transfer public and private PGP Keys to a Mac OS X Lion machine?
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2answers
3k 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 ...