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1
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2answers
51 views

Would rsync save meaningful amount of data transfer for compressed/encrypted files?

Would rsync save meaningful amount of data transfer for sync'ing 1) zip files, 2) ASCII armored GPG encrypted files, and 3) Mathematica .mx files, respectively ? A typical scenario is that I ...
0
votes
0answers
35 views

OpenSuse 12.1 - with tbird & enigmail, gpg2 : do i need the lib-assuan-stuff too?

my setup opensuse 12-1 on a medion notebook Akoya 6512 I want to install tbird with enigmail and so on... i have done the installation with yast: tbird enigmail via yast installed gpg also via ...
3
votes
2answers
29 views

Is it possible to add a recipient to an already encrypted file in GPG?

Assuming I have encrypted a (possibly large) file using GPG; e.g. gpg --recipient "Markus Rothe" -o this_file.gpg --encrypt this_file.txt Is it possible to add another recipient without first ...
2
votes
1answer
46 views

Are files encrypted with gpg compatible with pgp?

Are files encrypted with gpg compatible with pgp? What about the other way? I recently learned the very basics of the procedures of using gpg to encrypt and decrypt files. But I don't have a lot of ...
1
vote
1answer
74 views

How to use gpg and SSH together?

How to use gpg and SSH together? I know the basic procedures of 1) using gpg to encrypt and decrypt text files and 2) generating and using SSH keys to access remote servers without passwords. I ...
0
votes
1answer
56 views

What's a good example of showcasing the advantage of gnupg2 over gnupg?

Q1) What's a good example of showcasing the advantage of gnupg2 over gnupg? Q2) I'm trying to build encryption into a small piece of software for internal project management. Is gnupg a good tool to ...
0
votes
0answers
69 views

automatically encrypt and decrypt emails using gnupg (gpgrelay for unix)

My point of view related to email security is: whenever possible emails should be protected with PGP/GPG while transporting, but it doesn't have sense to store encrypted emails in local mailbox (this ...
0
votes
1answer
50 views

gpg - Is the MDC check redundant if the file is signed?

I understand that gpg 1.4.9 computes a MDC code by default. According to my research this corresponds to to Sym. Encrypted and Integrity Protected Data Packet (tag 18) in the PGP spec. If the file is ...
0
votes
2answers
63 views

How can I disable prompt about trust when encrypting file with gpg in emacs

I want to use emacs to edit files encrypted with gnu privacy guard. Im using the gpg support built into emacs 23 which I think is easy pg assistant. I import keys created at the command line with M-x ...
0
votes
1answer
58 views

Are GPG and SSH keys interchangable?

I want to generate an RSA key in GPG and use it in SSH login. Is this even possible? If so, how?
3
votes
1answer
133 views

How do I symmetrically encrypt a file using gpg?

I'm trying to symmetrically encrypt a file using gpg. $ gpg --encrypt --symmetric $MYFILE I enter and re-enter a passphrase, then gpg tells me You did not specify a user ID. (you may use "-r") ...
0
votes
1answer
171 views

Why can't Kleopatra (gpg4win) import my freshly-created key from another PC?

I just created two new GnuPG keys on my linux box and then tried to import the public keys on my Windows 7 machine running gpg4win 2.1.0 with Kleopatra. However, I always get the message Insgesamt ...
0
votes
1answer
46 views

What's the easiest way to revoke a PGP key using MacOSX?

I haven't used PGP in ages and since then I most likely lost the keys. I want to revoke them regardless and I do have the revocation keys printed in paper. I already typed and proof-read them a couple ...
1
vote
1answer
133 views

How does gpg handle multiple keys in a keypair?

As I understand it, keypairs used with gpg generally have more than one associated key: one for signing and one for encryption. How are these multiple keys managed when using gpg (to push to a ...
2
votes
1answer
82 views

Why does duplicity need a secret key?

I'm setting up automated backups with duplicity, but there's something I don't get. I have imported my own public GPG key, but it seems that duplicity wants the private key as well. It was my ...
2
votes
2answers
111 views

Proper use of GPG

I am new to encryption in general and GPG in particular. My use case is storing personal documents on a network drive. These documents are scans (e.g. diplomas, papers). I generated a GPG key using ...
2
votes
1answer
42 views

What are the risks of using GnuPG 1.4.9 with the insecure memory message?

I have Cygwin installed on several computers and would like to use the included GnuPG to encrypt files for my use only. The version of GnuPG included is 1.4.9 but it appears that there’s also a ...
1
vote
1answer
108 views

GPG tutorial for beginners

Where can I find a good tutorial on using GPG for the absolute beginner? Every time I see someone say that you should send public communications using encryption, GPG comes up; where do I start?
1
vote
0answers
116 views

gpg-agent asks for ssh password, although the private key has no password set

I am using gpg-agent to manage my github ssh key. I generate my (private) ssh key via openpgpg2ssh from my private gpg key. Unfortunately, although my private gpg key is not password protected, ...
0
votes
1answer
375 views

Problem adding public key for apt

I was trying to get the official mongodb for Ubuntu, following the instructions at http://www.mongodb.org/display/DOCS/Ubuntu+and+Debian+packages After adding the deb ...
0
votes
1answer
75 views

PGP Encryption Proxy for Mail Server

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 ...
0
votes
1answer
119 views

gpg symmetric encryption not working as expected

How am I supposed to use gpg to symmetrically encrypt a file? When I run gpg --symmetric filename, then it prompts me for passwords as expected, and generates a filename.gpg file. However, when I run ...
3
votes
4answers
244 views

What's the best way of keeping a PGP private key file generated by GnuPG?

What's the best way of keeping a PGP private key file generated by GnuPG? I will just store my public key online, in Gmail, on many of my computers. Where/how best to protect and store the private ...
0
votes
2answers
150 views

One GnuPG/PGP key pair, two emails?

I have two emails I use frequently, for both of which I'd like to use PGP keys generated/managed by GnuPG. I'd like to avoid creating a different key pair for each email, if possible, as that's ...
0
votes
1answer
219 views

Failure to decrypt a gpg file using a passphrase within unix

I'm trying to decrypt a file using the following command within a unix shell prompt: gpg --passphrase-file /path/to/passphrase/file --output /path/to/output/dir/full_db_restore --decrypt ...
0
votes
1answer
189 views

How does S/MIME differ from PGP/GPG, for the purpose of signing and/or encrypting email?

In addition to the titular question, are the two technologies compatible? If so, under what circumstances? What are the relative benefits of the two technologies?
0
votes
3answers
135 views

Email utopia: cross-platform (inc mobile), encryption, signing, threading, account aggregation. Is it possible? If so, how?

I'd like to achieve the following: Be able to aggregate my email accounts such that I can receive an email sent to one of my email accounts and reply to it from any other email account of mine, ...
2
votes
1answer
69 views

Is it possible to find a sender's Public PGP (GPG) key from an encoded message?

Could you find the sender's Public PGP (GPG) key from an encoded message?
1
vote
0answers
269 views

How to customize Seahorse plugin behavior in Nautilus?

I use Fedora 14. The seahorse-plugins package adds a nifty context menu option in Nautilus that allows you to encrypt/decrypt files easily with your GPG key. But is it possible to customize its ...
3
votes
1answer
120 views

GPG and PGP keyring compatibile

I have PGP Desktop 8.1 installed (PGP Corp) I wonder if I can use GPG with same keyring as PGP does?
1
vote
2answers
251 views

Questions on 'gpg2' security

I have a couple of questions on the security of gpg/gpg2 using symmetric encryption. They are (I imagine) very basic, so apologies if they are documented somewhere. The thing is, I don't know what to ...
1
vote
0answers
392 views

Encrypting a file with GnuPG in shell script

I'm trying to encrypt a .tar.gz with a passphrase from a shell script. I've tried gpg2 --passphrase whatever -c but then gnupg-agent pops up a dialog asking for a password. Never used GnuPG before ...
0
votes
2answers
222 views

Is there any way to attach GPG public key by default in Thunderbird?

I want to include a text file containing my GPG public key in all the mails that I send using Mozilla Thunderbird. Is there any way to configure Thunderbird to automatically include this file whenever ...
0
votes
1answer
226 views

How to decrypt multiple files to stdout in gpg2?

gpg2 --decrypt-files *.gpg - fail, to creates appropriate files without .gpg extension. gpg2 --output - --decrypt-files *.gpg gpg: --output doesn't work for this command How to do it?
2
votes
2answers
193 views

saving and searching encrypted mail

I often send and receive gpg-encrypted mail. At the moment I use thunderbird + enigmail (in linux) to do that. As far as I know there is no way in thunderbird to find all encrypted messages which ...
1
vote
2answers
370 views

GPG smartcards handling 4096-bit keys

are there smartcards that handle 4096-bit keys supported both by GPG and Enigmail (PAM would be additional benefit)? Preferably on USB.
2
votes
2answers
160 views

Can I add an expiration-date to my existing GPG-key?

I have a GPG-key. This key is unlimited valid. I thought recently, that this isn't the best idea. That's why my question: Can I add an expiration-date to an existant GPG-key? Or is my only option, to ...
4
votes
2answers
101 views

How can I get a new / non-technical user to verify my GnuPG / PGP signed email?

I'm looking for a web front-end or some easy way to get a user who's never been exposed to cryptography / digital signatures etc. to simply copy/paste my GPG signed (not encrypted) email and specify ...
0
votes
3answers
65 views

GPG on Ubuntu not responding

I'm trying for the first time to use gpg to encrypt a file with a symmetric key, but gpg doesn't seem to respond when I use the -c switch. gpg -v -c filename .. just doesn't seem to do anything, nor ...
0
votes
1answer
198 views

How can I prevent pinentry from stealing keyboard input?

I am using gpg keys with passphrases set to connect to different jabber accounts. When I restore from hibernate I am prompted by two pinentry dialogs for these passphrases. But very often one of these ...
0
votes
1answer
54 views

Timing GPG's Encryption

As part of a college assignment, I must time how long it takes GPG to encrypt a large file. However, I'm not sure how to go about it. A stop watch wouldn't be very accurate! Thanks. P.S. By helping ...
0
votes
1answer
428 views

How can I send gpg encrypted mail automatically from the linux command line?

How can I send gpg encrypted mail automatically from the linux command line? I'm a little stumped on this one, I've tried using mutt but it doesn't encrypt mail unless it's used interactively. Does ...
5
votes
1answer
453 views

Storing GnuPG folder in Dropbox

I would like to use dropbox for backing up my gpg keys, IMHO even if dropbox admins gets a copy of the keys they still need the passphrase to use it so is it ok to assume this is safe to do so?
3
votes
1answer
1k views

GPG-Gmail integration? [closed]

Is there any solution to integrate GPG with GMail? FireGPG has been discontinued and the last version did not support GMail. Encrypting the email offline with GPG is very clumsy. It's ok for ...
2
votes
3answers
234 views

Should I install a package that does not contain a GPG signature?

I was installing Google Chrome on a FC 10.0 machine. During the installation it showed a warning that this package does not contain a "GPG signature". Should I still install the package? I continued ...
1
vote
2answers
238 views

How to delete gpg secret keys by force, without fingerprint?

It's accident generated a bulk of secret keys (without public key) in the GPG key ring, and I have written a script to delete those keys, but GPG doesn't allow me to do that: $ gpg --batch --yes ...
0
votes
1answer
103 views

rpm: what does the release number in `gpg-pubkey-<verstion>-<release>` stands for?

GnuPG public keys that are imported into the RPM keyring with: rpm --import PUBKEY_FILE can be queried with rpm -q gpg-pubkey-<key-id> For example the CentOS4 key: pub 1024D/443E1821 ...
1
vote
1answer
84 views

Getting information from armord gpg public key

When given a file with an armored public GnuPG key, a file (pubkey.gpg) that was created with: gpg -r 0xDEADBEEF --export --armored > pubkey.gpg What is the best way to get information such as ...
1
vote
2answers
476 views

Is there a guide to setting up Mozilla Thunderbird to use my GPG keys to sign and/or encrypt email messages on Windows?

I see instructions on websites and questions here about using GPG keys with Thunderbird in Linux, but nothing on Windows. I have GPG, Kleopatra, and Thunderbird 3 installed on Windows, I made my GPG ...
1
vote
1answer
303 views

How to force gpg2 to use expired key?

$ gpg -ear XXXXXXX gpg: XXXXXXXX: skipped: unusable public key $ gpg --debug-ignore-expiration -ear XXXXXXXX gpg: Invalid option "--debug-ignore-expiration" How to encrypt? There are no updates for ...

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