GNU Privacy Guard (GnuPG or GPG) is OpenPGP compliant FOSS alternative to PGP encryption software.

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6
votes
2answers
104 views

Encrypted offsite backup using GPG with private key never on backup server?

I have a backup server, that creates xz compressed tar archives of directory trees to be backed up. These tar archives can get huge (multiple TBs), are split into pieces (2.5TB), and each piece is ...
0
votes
2answers
32 views

GPG Key not available for Local Apt Repo

We have an Apt-mirror server. We have also a custom repo named 'local' on this server. If I add in sources.list the following line : deb http://aptmirror.example.com/local trusty main The ...
0
votes
0answers
35 views

GPG error on importing public key

I'm trying to upgrade my php installation from 5.3.10 to 5.6 on a Linux Mint 16 machine, and as a first step, I ran sudo apt-add-repository ppa:ondrej/php5-5.6 The above command is timing out while ...
0
votes
0answers
28 views

unable to enter password when creating gpg key

I am trying to create a gpg key on a headless Centos6 system (on a VPS). After errors regarding the gpg-agent, I put the following in my .bash_profile (found in the gpg-agent man pages) gpg-agent ...
2
votes
2answers
62 views

Allowing multiple users to decrypt pgp emails for one email-address

me and my business partner each have our own company email address for which we use PGP. This allows us to communicate safely with our customers. However in order to communicate securely, the sender ...
-1
votes
1answer
49 views

File encryption when limited in storage

Assume: On Linux server we have limited free space. The task is to create archive of a folder (for example /var/www), encrypt it and upload to remote location keeping original unencrypted file in ...
4
votes
1answer
1k views

Cannot update Debian Wheezy due to GPG error (NODATA)

I have a server running on Debian Wheezy. It's apt source file has following configuration: deb http://ftp.uk.debian.org/debian/ wheezy main non-free contrib deb-src http://ftp.uk.debian.org/debian/ ...
0
votes
0answers
12 views

Restricting upload with SKS server

I'm considering setting up a keyserver with sks on Debian. I want anyone to be able to retrieve my key from it, but I don't want anyone to be able to add their key. How can I do that? I can't seem ...
0
votes
1answer
134 views

Duplicity for remote backup to AWS S3

I am using Bacula with S3 for backups. I keep bacula volumes for 60 days or so. Using duplicity as I would like to use GPG encryption of the volumes. Is there any way to do an rsync style sync using ...
0
votes
0answers
75 views

gpg-mailgate removes content of e-mails

I have installed gpg-mailgate from this repository on my server as stated in the INSTALL file. It does seem to work, partially. As it would be expected, when sending an e-mail to an account on my ...
3
votes
0answers
53 views

Anubis as GPG proxy

I'm trying to setup GNU Anubis to act as a sort of proxy to sign/encrypt emails coming from a service. The service is currently configured to send email using our SMTP server. The idea would be to ...
0
votes
0answers
60 views

Duplicity GPG key not available

I am using the following tutorial to get Duplicity to back up my mysql dumps to Amazon S3. http://kappataumu.com/articles/cloud-backups-duplicity-s3.html However I am getting an issue with the ...
0
votes
1answer
43 views

Easy way of checking signature of a source package from the other release of debian

I'm trying to backport nanomsg from jessie to squeeze. But when I run: dget http://http.debian.net/debian/pool/main/n/nanomsg/nanomsg_0.4~beta+dfsg-3.dsc It says: dscverify: ...
3
votes
2answers
388 views

Is it possible to use a gpg public key to encrypt a message without importing the key?

Sometimes I might want to use someone's gpg key to send a message but will have no need to ever use the key again. Importing the key in this instance seems unnecessary. I've searched, but can't find ...
0
votes
0answers
52 views

gpg --receive-keys times out but Wireshark confirms the http response is received

I'm using a virtual machine running Ubuntu 14.04, trying to use apt-keys to add keys for nginx. Most of this is automatic via puppet but I'm going through the process manually to find where the fault ...
0
votes
0answers
134 views

GnuPG complaining I don't have a secret key but I do

I am migrating machines I use for my backups. It uses GnuPG to encrypt/decrypt files. I moved my keys trying two different methods: exporting and copying the ~/.gnupg folder. Both methods seem to ...
1
vote
2answers
520 views

How to generate gpg key without user interaction?

I found in https://www.gnupg.org/documentation/manuals/gnupg/Unattended-GPG-key-generation.html#Unattended-GPG-key-generation method to generate gpg keys without user interaction, but it doesn't seem ...
0
votes
0answers
85 views

Duplicity restore with ftplicity fails because of different volume gpg key

I'm trying restore my backup made on remote ftp server but i have problem because backup was made with different gpg key and then incremental backups was made with second gpg key. I get ...
2
votes
1answer
409 views

replace or remove GPG signature on RPM

Is there a way to remove or replace an existing GPG signature on an RPM? I am placing a few obscure RPMs on an internal repo we use for supplementary rhel/centos packages. A few of those RPMs are ...
1
vote
1answer
412 views

Sync Ubuntu repository with Cobbler server fails

I am trying to sync the Ubuntu trusty repo to my cobbler server. The issue is that for some reason the connection seems unstable during the parts that work.. additionally it fails to proceed with one ...
1
vote
1answer
1k views

gnupg 'libgpg-error.so.0 no version information available'

I'm trying to compile gnupg-2.1.0 for Debian Wheezy, I've downloaded and compiled the required libraries (libgpg-error-1.17, libgcrypt-1.6.2, libksba-1.3.2, libassuan-2.1.3, and pth-2.0.7 in that ...
0
votes
1answer
337 views

Can't create an apt mirror using debmirror

I'm trying to create a mirror in my local machine, but I can't verify the gpg signatures. Followed these steps: https://help.ubuntu.com/community/Debmirror The only difference I created the ...
1
vote
1answer
678 views

Options for gpg1 instead of gpg2 on CentOS/RHEL 6?

I have a customer whose application workflow relies on gnupg (gpg). Their system was recently migrated from CentOS 5.x, which shipped with gnupg version 1, to CentOS 6.5, which has gnupg version 2. ...
1
vote
2answers
570 views

How to automate GPG file decryption over SSH?

I would like to use GnuPG to decrypt short messages that are stored on a remote host (running Linux), i.e.: ssh [<user>@]<host> gpg -d <file-to-decrypt> interact with gpg-agent ...
3
votes
1answer
4k views

Bad signatures or NOKEY errors on RPMs I just signed

I'm having serious problems getting RPM signing working for RHEL / CentOS 5 hosts. TL;DR: RPM signing isn't working, and it's working in a variety of insane and erratic ways depending on the exact ...
1
vote
1answer
466 views

apt warnings with HP SDR/MCP repo on Ubuntu

I'm using the HP SDR system (MCP specifically) for Linux packages to manage the HP hardware RAID, iLo, etc. The kernel drivers for the hardware are upstream, so these are just management utilities. ...
1
vote
1answer
1k views

How to Disable GPG checks per Channel in Spacewalk?

Is it possible to disable GPG checks on a per channel basis in Spacewalk? For patching of my servers, I've converted from using local yum repositories on the clients under /etc/yum.repos.d, to ...
2
votes
1answer
926 views

dget complains that public key not found

I'm trying to backport a package, but dget (dscverify) says that it can't check the signature because of public key not being found: [root ~/build/openssl] dget -x ...
0
votes
1answer
893 views

how to use GPG to decrypt multiple files to a different directory

I am trying to decrypt multiple files to a different directory keeping the existing filenames. When i run the below syntax it seems to decrypt them ok but it only ouputs to the screen. I would like to ...
1
vote
2answers
602 views

How to verify an imported GPG key

I'm new to this PGP thing. Here are my questions: Verification When I do this, I'm given the message "This key is not certified with a trusted signature". Is there anyway to make it trusted and ...
3
votes
1answer
63 views

Should the GPG key of a debian repository be shared among its maintainers?

I'm following this tutorial to set up a debian repository https://wiki.debian.org/SettingUpSignedAptRepositoryWithReprepro This repository will be managed by me and my colleagues. We want to sign ...
4
votes
1answer
533 views

GPG Encryption: Am I using the right keys?

I have a process to encrypt a bank file using OpenPGP (via BouncyCastle) and SFTP the file to the bank for financial processing. They sent me a public key file, which I examined the key using the ...
6
votes
1answer
2k views

Using gpg-agent over ssh

I'm having a problem using the gpg-agent over ssh via a single command line. Here is my configuration : Server A : triggering the command via ssh. ssh user@serverB "sudo -E /path/to/script.sh" ...
1
vote
1answer
569 views

Bad RPM Signatures

I'm trying to set up a repo that contains both CentOS 6.4 and 5.9 packages. The machine itself is 6.4. I've created a GPG key and have been able to sign my 6.4 packages no problem. When I create them ...
2
votes
1answer
799 views

How do you enable the storing of GPG / PGP keys in OpenLDAP

I've searched high and low trying to find a method that allows me to store GPG keys for existing users in an OpenLDAP server. The only relevant how-to I've found is this. However, I'm unable to get ...
0
votes
1answer
2k views

How can I speed up my Duplicity backup?

I need to perform onsite backups of hundreds of gigabytes from a few Xen VMs to some storage available on a dedicated server in the same network, with a Gigabit connection. The data is mostly MySQL ...
3
votes
1answer
1k views

Encrypting all incoming mail with public pgp key per user

What I'm trying to do is be able to take all incoming messages and encrypt them with that users public pgp key. I'm running postfix + courier etc. http://flurdy.com/docs/postfix/ I've read through ...
0
votes
0answers
477 views

Storing GPG keys in LDAP with TLS using gpgme

I'm trying to send my GPG public key to our LDAP server, but I'm hitting a wall. My LDAP server only allows LDAP with Start_TLS over port 389, or LDAPS on port 636. I've got the following lines in my ...
3
votes
1answer
256 views

How to prevent gpg from creating .gnupg directory in user's home directory

I'm trying to run use the gpg tool to encrypt and decrypt files and I would like to know if it's possible to run this tool without it changing a user's global state. Specifically, running gpg for the ...
4
votes
3answers
5k views

gpg-agent says agent exists, but gpg says agent doesn't exist?

I'm struggling with some issues while scripting gpg with bash on a Debian 6.0.6 box. I have a script that does a batch of operations and wants to make sure that a gpg-agent is available before it ...
12
votes
4answers
8k views

gpg --gen-key hangs at gaining enough entropy on centos 6

Trying to generate a key for a server. gpg --gen-key We need to generate a lot of random bytes. It is a good idea to perform some other action (type on the keyboard, move the mouse, utilize ...
0
votes
1answer
181 views

/usr/bin/gpg md5sum fails; CentOS gpg Package?

I am running CentOS 6.3. I have a tool that monitors md5sum hashes for system binaries, and emails me whenever there is a change. Obviously whenever I run updates to the system via yum, this md5sum ...
0
votes
1answer
710 views

php gnupg = unable to load warning

End goal: use PHP GnuPG library in my Mediawiki extension I have installed gpgme with dependencies run pecl install gnupg = no errors added extension=gnupg.so to my php.ini : [root@dev-lamp01]# ...
-3
votes
1answer
74 views

How to view a GPG encrypted file securely? [closed]

When I decrypt / view a gpg file it is: decrypted in the terminal / console and thus gets into history the decryption goes into video memory and into normal memory and into the swap (if not ...
7
votes
3answers
3k views

Debian - “WARNING: untrusted versions of the following packages will be installed!”

When i try to install or update any packages I get: Untrusted packages could compromise your system's security. You should only proceed with the installation if you are certain that this is what you ...
0
votes
2answers
467 views

Duplicity - how to put passphrase in CMD?

I've tried a number of obvious commands as detailed in Duplicity Man page to do this but doesn't seem to work. Scenario I'm SSH'ing to a machine, then running Duplicity; below is the CMD, of sorts:- ...
2
votes
1answer
137 views

Are PGP Universal keys compatible with the openPGP standard?

I'm having issues importing a PGP Universal Public key on a system that supports openPGP. Are these two different standards/formats? Should they be compatible?
0
votes
1answer
975 views

gnupg ELG vs ELG-E

We recently upgraded the server we use to gpg encrypt files with public key encryption. Old server had gnupg version 1.2.6. On the new server, gnupg version 2.0.18, we imported our gpg keyring from ...
12
votes
2answers
5k views

GPG - why am I encrypting with subkey instead of primary key?

When encrypting a file to send to a collaborator, I see this message: gpg: using subkey XXXX instead of primary key YYYY Why would that be? I've noticed that when they send me an encrypted file, ...
1
vote
1answer
256 views

Reliable PGP / GnuPG decryption for Mac OSX Mail

I'm developing a web app which emails encrypted data (from a web form) to a client who uses Macs/OSX exclusively in their office. I'd like to know: Is there are any reliable solutions for PGP / GnuPG ...