GPG(or GNU Privacy Guard) is a GPL(GNU Public Licence, see http://www.gnu.org/copyleft/gpl.html) licenced alternative to the PGP set of cryptographic software. For more information, see http://en.wikipedia.org/wiki/GNU_Privacy_Guard.
0
votes
0answers
14 views
gpg-agent: how to limit the passphrase cache retention time
I'm using Thunderbird/Enigmail, and the plugin tells me that the process in charge of the passphrase cache is gpg-agent. The retention time of the passphrase is too long for me (possibly, the entire ...
2
votes
1answer
18 views
Is Ubuntu's archive signing key available via HTTPS somewhere?
I'm writing a program that needs to download GPG keys for various distributions to do unattended net installs. To do this securely and in an automated way, I need to download the key via HTTPS, which ...
1
vote
0answers
18 views
With gpg --verify, how do I distinguish valid signatures and valid signatures from trusted keys programmatically?
I want to write a script that runs gpg --verify to check a signature.
The gpg command returns 1 for invalid signatures and 0 for valid ones. But it gives different output for keys that are in my ...
0
votes
1answer
147 views
Ubuntu 13.04 update and install issue
I've checked several forums and sites for trying to fix this issue. This issue has been happening for the last three days. I'm a bit of a newbie to Linux but I think I've managed to narrow down where ...
0
votes
0answers
81 views
apt-get update fails Release.gpg on raring 64bit
When i run apt-get update on my installation of ubuntu 13.04 64bit edition i get the following error
sudo apt-get update
Err http://ftp.halifax.rwth-aachen.de raring Release.gpg
Connection failed
...
0
votes
0answers
35 views
Problem with adding google repos
I followed the instructions in
http://www.google.com/linuxrepositories/index.html
after i paste the code wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
the ...
2
votes
1answer
216 views
How to add a GPG key to the apt sources keyring?
Ubuntu Doc page says this:
It is advisable that you add the Opera GPG key.
wget -qO - http://deb.opera.com/archive.key | sudo apt-key add -
Where do I add that?
I want to take the advice ...
0
votes
1answer
190 views
Updating Quantal 12.10 to Raring 13.04 broke seahorse-nautilus
After upgrading from Quantal to Raring the nautilus-seahorse plugin for GPG encryption cease to work. When right clicking in a file the GUI opens and ask to select a key for encryption but the ...
0
votes
1answer
73 views
Why is gpg getting upset and how do I stop it?
I recently migrated from one installation of Ubuntu to another, and in the process changed my username. I imported my public/private key pair into gpg, and while decryption (using my private key) ...
0
votes
0answers
13 views
Repository for main PKGS appears to be missing in Raring 13.04 [duplicate]
It Appears since installing Raring that whenever I try to install any pkgs I always recieve a pkg not found error.
I have checked that all the PPA Repository's are ticked but I am still unable to ...
0
votes
1answer
37 views
apt authentication failure on self-signed package
I did create a gpg key using "gpg --gen-key", here is the listing:
> gpg --list-keys
/home/<user>/.gnupg/pubring.gpg
--------------------------------
pub 2048R/99EDE0B7 2013-02-05
uid ...
1
vote
1answer
54 views
Problem with “apt-get update” command! [duplicate]
I can't update my ubuntu repository list, I try "sudo apt-get update" but I get this error:
Get:15 http://dl.google.com stable Release.gpg [1,540 B] ...
0
votes
0answers
18 views
Can't update or install software [duplicate]
I'm am brand new to Ubuntu. I cannot update software or download software such as Wine. I get a message that says Failed to download repository information. Check internet connection.
But I have an ...
0
votes
0answers
81 views
How to make thunderbird work with enigmail + gpg-agent in Ubuntu 12.10
I have a gpg key I would to use to sign my messages. However, whenever I mark a message to be signed I get an error:
gpg: « <MYEMAIL@MYORG.ORG> » a été ignoré: la clé secrète n'est pas ...
2
votes
1answer
61 views
Is the key acquired from running gpg --export-secret-key encrypted or cleartext?
How to share one PGP key on multiple machines details how to export your gpg secret key into a file with gpg --export-secret-key -a > secretkey.asc. What the answer does not state is whether the ...
1
vote
0answers
78 views
Can I restore GPG password from backup key?
I've forgot my GPG password. But I have a backup of private key. Can I restore my password from backup file of secret key ?
0
votes
1answer
836 views
GPG Error, can't update 12.04 [duplicate]
I have seen the following question, however it doesn't solve my problem:
Update Manager Error - Authentication Error
I can't update my Ubuntu 12.04! I get the following error after running sudo ...
0
votes
0answers
32 views
Auto-passphrase in schroot: can't connect to `/run/user/korn/keyring-x30g9r/gpg
when running "debuild -S -sa" to create the source files and sign them in Ubuntu 12.04 I only had to enter my passphrase once and then it is automatically used to unlock my private key on future runs ...
3
votes
1answer
193 views
How to safely download and gpg verify a Debian source package?
I need specific (source or binary) packages from Debian.
Can I download the package using apt-get?
How can I add the Debian repository to my sources.list so it only gets used on a by case base? ...
0
votes
1answer
74 views
Are there adverse effects from (or a better way than) writing to /run or /dev/shm to protect temporarily unencrypted data?
I am having trouble finding an answer to a question about protecting unencrypted data. I run Ubuntu 12.04. Although I'm not sure that it's relevant, I'll also mention that I use an encrypted home ...
2
votes
1answer
3k views
How to fix GPG in updater
I have asked this question before, but it was closed as a "duplicate." I can assure you that my scenario is original, as it does not refer to third party PPA's. I am having GPG problems with system ...
1
vote
0answers
573 views
E: GPG error: http://dl.google.com stable Release: The following signatures were invalid: NODATA 1 NODATA 2 [duplicate]
when i try to update i see this erroIgn http://ppa.launchpad.net quantal
InRelease
Ign http:*//archive.canonical.com lucid InRelease
...
0
votes
1answer
154 views
Automatically sign package files from debuild and upload with dput
I've created a source package for I library I'm working on. I use debuild to build it and then I can successfully upload it with dput.
Now I want to set it up so that I can do this automatically ...
1
vote
1answer
74 views
debuild -S in cronjob: how to avoid interactive gpg
I would like to build and submit a package to a launchpad Ubuntu reposiory of mine in a nightly cronjob. To this end, I'll have to
debuild -S
the package which by default requires human interaction ...
2
votes
2answers
92 views
gpg verification graphical user interface?
Is there a graphical user interface to verify gpg signatures? I got a file and a file.sig. It's clear how to do it in terminal but doing with a right click gui would be more comfortable.
I read it's ...
0
votes
1answer
435 views
How to Publish GPG Key in Ubuntu 12.10
This link works for Ubuntu 10 https://launchpad.net/+help-registry/openpgp-keys.html#publish
How can I do this in Ubuntu 12.10 because its different in Ubuntu 12.10.
1
vote
1answer
54 views
How to publish your key used to sign deb packages so you will be able to use your repository from any machine?
I am looking for a solution that would prevent me from seeing things like:
W: GPG error: http://updates.example.com lenny Release: The following signatures couldn't be verified because the public ...
1
vote
1answer
112 views
restore files from Ubuntu one impossible
My laptop was stolen, it had Ubuntu One installed on it. Now I have a new laptop, again with Ubuntu One. When I access my account I can see lots of files from the old one but I can't restore them in a ...
0
votes
0answers
15 views
Problems with Update Manager and public keys [duplicate]
Possible Duplicate:
How do I fix the GPG error “NO_PUBKEY”?
I am trying to use sudo apt-get update, but I get the following error message:
W: GPG error: "http://dl.google.com" stable ...
5
votes
1answer
92 views
Enigmail - how to encrypt only part of the message?
When I confirmed my OpenPGP key on launchpad I got a mail from them, that was only partially encrypted with my key (only few paragraphs inside the message). Is it possible to encrypt only chosen part ...
2
votes
1answer
76 views
Would it be practical/secure to import my GPG keys into (Open)SSH?
I know a bit about computer security, and well as about the concept of public and private keys. I also know that both GPG and (Open)SSH use the public/private key system. My question is, is there ...
1
vote
0answers
57 views
Ubuntu One Windows application only accessing gpg files
I'm on a windows 7 (64) machine right now, I have the Ubuntu One windows application. I'm synced to my online account, the folder I am accessing is...
deja-dup\My-desktop
When I click 'Sync ...
0
votes
1answer
40 views
GnuPG v1.4.10 cant read
I was thinking of "Getting Involved" with Ubuntu and decided to join the Bug Squad. After a few steps of joining, I got an email with a OpenPGP key licenced at Gnu version 1.4.10 and went on their ...
1
vote
1answer
1k views
Added key, but dget still shows “gpg: Can't check signature: public key not found”
Trying to download Django source package using dget and the .dsc file from here.
Then dget fails to verify the source, because it is missing a public key.
$ dget https://launchpad.net/ubuntu...
...
2
votes
1answer
71 views
Does changing my Launchpad GPG key require any changes to my PPAs?
I've lost my GPG key which was used to sign my PPA. So, I generated a new key and deactivated old one in Launchpad.
Now, I would like to change the key which is used to sign repository. Currently the ...
5
votes
3answers
532 views
Is it possible to recover a secret key from a GPG public key?
I have lost the GPG keys I use for Launchpad and email encryption, along with my entire ~/.gnupg folder. Can I recover them using the public key?
20
votes
3answers
2k views
Difference between PGP and GPG
What are the main differences between PGP (Pretty Good Privacy) and GPG (GNU Privacy Guard) in relationship with security in Ubuntu and Launchpad?
-1
votes
2answers
202 views
Secure your private gpg and ssh keys from other people accessing ssh
There is a person A and person B, other of them has each other ssh public key, so that means they can access each others shell.
now they can access each others private ssh and gpg private keys. and ...
0
votes
1answer
148 views
Gpg symmetric decryption reduce the passphrase remember time
i used this command to decrypt my file
gpg -d myfile.gpg
it asked me for passphrase when i entered it showed me the content of the file
now when i run the command again it did not ask me the ...
0
votes
0answers
219 views
running apt-get update shows GPG error [duplicate]
Possible Duplicate:
Updates don't install because of “untrusted packages”
Duplicate sources.list entry but cannot find the duplicates?
I am getting below GPG error on ...
3
votes
3answers
762 views
How to GPG text on Unity?
Once there was a Gnome-applet in Ubuntu (Seahorse?) which helped me with encryption/decryption of PGP text messages. It was able to encrypt or decrypt the clipboard.
Since Unity I have no idea, how ...
7
votes
1answer
599 views
What are the GPG signatures
Looking at questions like THIS, THIS and THIS I ask for public knowledge the following questions:
What are the GPG Signatures for?
What additional level of security do the Signatures add or provide ...
0
votes
1answer
87 views
Pasting text into keyring access prompt
I have quite a few keys I manage with Seahorse, and the passwords to them are quite complex, and kept in a safe method from which I must paste them(they are 64 characters). When I attempt to use these ...
2
votes
2answers
1k views
How to disable the keyring for SSH and GPG?
How to disable the keyring for SSH and GPG ?
I would like to keep the keyring for the wifi and other stuff. I'm using Ubuntu 12.04.
3
votes
2answers
191 views
Quickly share error (Can't upload to ppa)
I'm using quickly and I can't seem to upload to my ppa. This is what I get:
$ quickly share --ppa swink/ppa
Get Launchpad Settings
Launchpad connection is ok
.........An error has occurred when ...
3
votes
2answers
278 views
How do I import my PPA signing keys from a host into a virtual machine?
Please, give me some help:
How can I export PGP keys I used for registration on PPA and then import in virtual machine's Ubuntu?
Please, help me.
2
votes
1answer
60 views
Do I GPG-sign my application before or after packaging?
I am almost ready to complete my app, but I am unclear on the sequence of packing a completed an app, and getting it uploaded so users of the software center can find it for installing.
Does the ...
5
votes
1answer
251 views
Why can't I gpg-sign the Ubuntu Code of Conduct?
So I've spent quite some time trying to sign this code of conduct and am on the verge of abandoning it.
Got right to the sign the txt file stage https://launchpad.net/codeofconduct/1.1/+sign but now ...
0
votes
1answer
34 views
gpg passcode error
I just created my gpg key using developer.ubuntu.com packaging page's documentation and also upload the public key in key server. When i import the key into launchpad it sent me an encrypted message. ...
5
votes
1answer
130 views
Confirming PGP key on Launchpad
I created an account in Launchpad and wanted to upload my PGP key in my account. I followed the instructions in Ubuntu Getting Set-Up Guide and Launchpad guide.
Accordingly I received a mail in my ...




