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

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1answer
1k views

How do I import a RSA SSH key into GPG as the _primary_ private key?

I currently have a SSH key that I've used for a while and I'd like to start using GnuPG with a new keyring. However, given that I've used my key for ages, I would like to still use that key in GPG as ...
0
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2answers
314 views

Debian / libcurl error using gpg

I am trying to register a Key with gpg to upgrade my debian system with aptitude. System is Debian 4.0 32bit. Unfortunately I am getting an error. This is waht I try: gpg --keyserver pgp.mit.edu ...
2
votes
1answer
904 views

Duplicity restore reports “Invalid SSH password” when I'm using a private key for connection

I'm testing the restoration of a backup with duplicity 0.6.15. I can login to my backup server just fine using ssh and sftp using the following commands and my private key: ...sftp root@client:~# ...
1
vote
1answer
662 views

Duplicity fails on Too many open files?

I'm using Duply on top of Duplicity but apparently it fails (after 10 min on 100% cpu) on gnupg --- Start running command BKP 21:10:58.679 --- NcFTP version is 3.2.2 Reading globbing filelist ...
5
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1answer
418 views

Mailing list + PGP/GPG support

I would like to create such mailing list where every contributor must sign his/her messages with PGP/GPG, otherwise mailing list software would block unsigned message. All PGP/GPG public keys of ...
2
votes
1answer
343 views

Crypto key storage and recovery — best practices?

We have a bunch of SSH, GPG, SSL and other private keys that, obviously: must only be available to the smallest number of people possible can't be "lost" if a hard drive dies or the building burns ...
0
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2answers
128 views

Need convincing PGP public key needs to be changed

So the situation is thus. We're working with another company and as part of some file distribution processing we have to encrypt some files before they are sent. The company in question sent us ...
5
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3answers
261 views

PGP: on the web, what if everything was tampered?

I am trying to wrap my head around how Public Key Cryptography can really work in a secure manner. From what I can gather, you go to example.com and download their PGP/GPG Public Key and add it to ...
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4answers
4k views

Validating signature trust with gpg?

We would like to use gpg signatures to verify some aspects of our system configuration management tools. Additionally, we would like to use a "trust" model where individual sysadmin keys are signed ...
2
votes
1answer
404 views

PGP Encryption Proxy for Mail Server [closed]

I have a friend who is located in a part of the world that makes email encryption prudent for them. While I recommended OpenPGP, my friend thinks that it would have too high of a setup requirement for ...
1
vote
1answer
124 views

decrypt gpg file with specific key ?? (OS = WindowsXp)

please how i can decrypt file with specific key in batch file mode ? for example i want to :- decrypt file X.txt with key X.pub
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1answer
223 views

encrypt files by external GPG public key tools?

how i can encrypt files by eternal GPG public key ? for example user A generate public key A.pub and sent to me A.pub and you need from me to encrypt file by a.pub and sent it to you how i can do ...
1
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1answer
625 views

Encrypting files with different public keys

How can I encrypt three different files, each with its own public key? For instance, there are three companies (X, Y and Z). Each company sends me its own public key. I want to send a file to each ...
1
vote
2answers
781 views

What does this gpg warning mean?

When I run my backup script as me, it works fine. When I run it as root, it still works, but I get this warning: gpg: WARNING: unsafe ownership on configuration file `/home/jason/.gnupg/gpg.conf' ...
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vote
2answers
449 views

Can I use the same password for TrueCrypt as what I used when creating my Public Key?

I created and published a Public Key using gpg. I am now creating a TrueCrypt volume and wish to use the same password. Does knowing my public key, in this instance, make my TrueCrypt volume become ...
22
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3answers
12k views

gpg not enough entropy!

SO I've got a ton of processes running in the background to try and get enough entropy but I am still failing. **We need to generate a lot of random bytes. It is a good idea to perform some other ...
2
votes
2answers
1k views

Validating GPG key signature authenticity

I'm trying to validate the integrity of my httpd-2.2.17.tar.gz image. I followed the steps written in the following pages: http://httpd.apache.org/download.cgi#verify ...
0
votes
1answer
1k views

Backups with rsync and gpg

I've found plenty of posts online about this but none that actually answer my question. I'm trying to back up my system in such a way that the files end up encrypted on my backup drive. Here's a ...
0
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2answers
1k views

GPG doesn't work in crontab

I have the following script: #!/bin/sh -e PWD="supersecretpassword" file="/backup/2do/example.txt" echo before echo $PWD | gpg --passphrase-fd 0 -c $file echo after The scripts works perfectly fine ...
1
vote
2answers
455 views

RPM issues after signing JDK 1.6 64-bit

I'm trying to sign the Java JDK 1.6u21 64-bit RPM on CentOS 5.5 for use with Spacewalk and I'm running into problems. It seems to sign okay, but then when I check the signature it seems to be missing ...
3
votes
2answers
906 views

GPG encrypt and decrypt with ssh-agent

I use ssh regularly and have ssh-agent set up. How can I use ssh keys to gpg-encrypt a file? Edit: It seems that this is impossible. Why? ssh can encrypt traffic, so why not also files?
1
vote
1answer
408 views

GPG key server for internal network

I'm looking for some software that works just like the public key servers but will only serve keys for a local network, hence the server needs to not sync with the public network. Can anyone suggest ...
2
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2answers
2k views

How can I use Duplicity with a symmetric key?

I am using duplicity to perform backups on my server. Right now duplicity is encrypting the backup using a GPG public-private key system. I would prefer to encrypt the backup files using just a ...
0
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1answer
2k views

How to install gpg keys from behind a firewall?

I understand that keyservers are using the port 11371 but in many cases you are not allowed to connect to this port and you cannot add There a many cases when you cannot modify the firewall ...
2
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2answers
717 views

what are the minimal user permissions required to scp files to a remote server?

I want to setup a cron job to transfer data from one host (A) to another (B). My understanding so far is that I will have to create a user on machine B, so that scp can copy the files to a folder in ...
1
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1answer
268 views

Host GPG / PGP keys online?

Is there any way for me to setup my GPG key online so that they could be used to verify my signature? I mean, I own "thezombie.net", so I might as well host my key there, no? And locally, what do I ...
0
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1answer
840 views

Importing GPG Key

I have problems importing my GPG-Keys into my new installation of debian. I exportet the private-key a few years ago. Now I am trying to get everything running under a new debian. I tried to do ...
2
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5answers
2k views

user GPG key not able to be used by SUDO

I created a script that runs duplicity to backup files I have on a VPS,and uses a GPG key that I generated as a user. When I try and run this script as SUDO I get: GPGError: GPG Failed, see log ...
1
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1answer
78 views

Public key read-only storage

We use GnuPG for encrypting data, which we upload to a central storage. The public key is being stored on a web-server, and the encrypting script re-downloads it if it's changed. This was done in ...
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3answers
3k views

Suppress GPG “Reading passphrase from file descriptor 0” message

Simply, how can I make GPG not print that message? Here are the commands I'm using: echo "test input" > test.in echo "test" | gpg -q -c --passphrase-fd 0 --output test.enc --yes --force-mdc ...
6
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4answers
2k views

gpg: what do I need to backup?

What are the critical files I need to backup from gpg? I guess my private key would qualify of course... but what else?
0
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1answer
51 views

keysize for Release.gpg?

What is the required keysize for generating Debian Release.gpg files?
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3answers
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Best PGP/GPG Encrypt/Decrypt Script

Is there are good default python or simple shell script that I can use to encrypt and decrypt files via PGP/GPG? I would be running this script every 5 minutes.
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2answers
497 views

Encrypt backups with GPG to multiple tapes

Currently, I use tar to write my backups (ntbackup files) to a tape drive fed by an autoloader. Ex: tar -F /root/advancetape -cvf /dev/st0 *.bkf (/root/advancetape just has the logic to advance to ...
13
votes
4answers
5k views

Using PGP keys for SSH

I use a 4096 byte RSA PGP key; since SSH also uses the RSA standard, is it at all possible to use the PGP key as an SSH key without installing additional software on the server (and as little as ...
0
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5answers
660 views

Automatically encrypting incoming email

I have a small website and would like to encrypt incoming email using gpg. Is there a way to force sendmail to check email and encrypt it if its not already encrypted? I'm using GPG on a linux ...
1
vote
1answer
388 views

The generation method of the random number at the time of the key pair making in gpg

in gpg --key-gen following error occured. Not enough random bytes available. Please do some other work to give the OS a chance to collect more entropy! (Need 300 more bytes) What's wrong?
5
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3answers
285 views

GPG/PGP Signatures & Encryption - An Academic Security Question

Digital Signatures Digital signatures take place whereby you apply your private key to a particular message (or the hash of that message in most cases). The recipient then takes your public key - ...
9
votes
5answers
27k views

Why does apt-get update tell me to run apt-get update?

So I have this going on: # apt-get update Get:1 http://ftp.us.debian.org etch Release.gpg [1032B] Hit http://ftp.us.debian.org etch Release ...
2
votes
9answers
2k views

Output/pipe ntbackup directly to GPG

Currently, we can perform and encrypt a Windows backup with ntbackup and GPG in 2 separate steps in a batch script, as below: ntbackup backup "@selection_file.bks" /f "backup_file.bak" gpg ...
6
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3answers
217 views

General GnuPG tips

Prompted by the recent vulnerability in SHA-1 and admonitions to begin the process of moving away from that hash function, I'm playing around with GnuPG again. I was just wondering how other folks ...