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

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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 ...
3
votes
1answer
29 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
32 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
43 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
77 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
15 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
32 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
29 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
69 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 ...
0
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1answer
16 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
439 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 ...
-1
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1answer
39 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 ...
2
votes
1answer
98 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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0answers
148 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
35 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
30 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
47 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
24 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
170 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
68 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 ...
1
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1answer
31 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 ...
4
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1answer
8k 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
442 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: ...
1
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1answer
239 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
vote
1answer
28 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
votes
1answer
38 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
38 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 ...
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2answers
110 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
30 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
58 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
194 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
vote
2answers
42 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
57 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?
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0answers
148 views

I am unable to generate a gpg key through the keyring program

Whenever I try to generate a gpg key through the system's GPG program, it asks for my name, email, and password then everything except for the GPG program's main window disappears. Upon using gpg ...
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1answer
85 views

How to update PGP key on key servers

Email I used in my PGP key has changed. What should I do to update the key with my new email. (apart from uploading second key).
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votes
1answer
100 views

How do I remove GPG private keys from memory? [closed]

When I do the following: gpg --decrypt somefile.pgp I see a graphical dialog come up asking me for the passphrase for my private GPG key. After that, subsequent runs don't require a passphrase, as ...
2
votes
3answers
121 views

PGP Key Version, does it matter?

After reading about Google's attempt for end-to-end encryption with PGP keys, I noticed in their FAQ a section about exporting a key generated by their extension for use elsewhere. They say it's ...
0
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0answers
67 views

Mutt - Allow encrypt to key selection and disable sent folder encryption

I've got Mutt setup to use GPG and my default keys. Seems to be working. I used the information found here: http://dev.mutt.org/trac/wiki/MuttGuide/UseGPG And the default gpg.rc file for this. In my ...
0
votes
1answer
3k views

Ubuntu 12.04 GPG error: http://archive.ubuntu.com precise Release: The following signatures were invalid: NODATA 1 NODATA 2 [duplicate]

I know this is asked often but nothing seems to work for me. Every time I try to update I get the following: sudo apt-get update Get:1 http://archive.ubuntu.com precise Release.gpg Get:2 ...
0
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0answers
10 views

Boost and IXCoin and PPAs … messy problem [duplicate]

GPG error: download.opensuse.org Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 29D8C8DAC4447CF3 W: Failed to fetch ...
19
votes
3answers
11k views

Clearsigned file isn't valid, from 01.org package?

I'm running Ubuntu 14.04 LTS, and I have an HD 4600 integrated graphics chip. lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated ...
3
votes
1answer
45 views

Generate Detatched PGP/Signature File

I am creating a few metalinks for an installer similar to wubi. It requires me to create a MD5SUMS-metalink file which I have done but the program will not continue because it requires a ...
4
votes
1answer
291 views

Couldn't generate PGP key, general error

Now I'm using Ubuntu12.04.04 LTS. I tried to create my gpg key with following steps on "Passwords and Keys" program. I don't know why this error was occurred. According to I skipped some ...
2
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0answers
603 views

Ubuntu 14.04 LTS Trusty Tahr 64-bit hashes cannot be positively verified against the ubuntu public key [closed]

I downloaded Ubuntu 14.04 LTS Trusty Tahr 64-bit ISO from here and all the hashes from here. I checked downloaded ISO against the provided hashes (MD5SUMS, SHA1SUMS, SHA256SUMS). Everything was ...
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2answers
193 views

Encrypt file with .asc extension from Nautilus

Is it possible to encrypt file with .asc extension directly from Nautilus? I tried with Seahorse add on but its always encrypting with gpg extension.
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0answers
543 views

gpg: keyblock resource ‘/etc/apt/trusted.gpg.d//webupd8team-sublime-text-3.gpg’: resource limit [closed]

No matter what I do, I get the following error: gpg: keyblock resource ‘/etc/apt/trusted.gpg.d//webupd8team-sublime-text-3.gpg’: resource limit The original error(Dutch) Original Dutch sudo ...
0
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2answers
49 views

Unknown pgp key in my key ring

I have a key in my keyring and I don't know how it got there. Every other key I imported other than this one. How do keys make it into the keyring other than by me importing them?
1
vote
1answer
87 views

Is there a good OCR-readable font

As part of my backups, I would like to be able to print and later re-scan a Base64-encoded copy of my private key. Unfortunately, neither gocr nor tesseract seems to be able to properly read any font ...
0
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0answers
123 views

Gpg : don't know invalid packet (ctb=0a)

Ok so, i'm trying to decrypt a pgp file with the gpg command : gpg --decryt myFile And it answers me : gpg: data encrypted using CAST5 gpg: encrypted using one passphrase gpg: [don't know]: ...
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1answer
510 views

Use gpg2 without GUI asking for passphrase

How to use gpg2 from command line (i mean... X terminal) without the GUI asking for passphrase?