0
votes
1answer
10 views

Associate specific PGP subkeys with specific UIDs

It seems to me like PGP keys contain a "collection" of UIDs and also contain a collection of subkeys. Moreover, there doesn't seem to be a way to add comments to a subkey. Is there any way for me to ...
0
votes
0answers
17 views

Enigmail stopped working: KEYEXPIRED/SIGEXPIRED

Since a recent update I cant send encrypted mail with thunderbird and the enigmail plugin anymore. Whenever I try to send the mail, and enter the passphrase for my key, I get the following error ...
0
votes
1answer
89 views

Errors generating gpg keypair

I posted this originally on stackoverflow, but was told that it was offtopic and this would be the better place to post it, so I am reposting it here and deleting my original topic. I have a rather ...
0
votes
0answers
33 views

What is the default symmetric algorithm for encrypting the secret key in GnuPG 1.4.11?

When generating a GPG key, you are asked for a pass-phrase that will correspond to the private key (or keys to be exact). My question is what is the default crypto algorithm for encrypting your key ...
1
vote
1answer
263 views

How to use PGP private key with K-9 Mail on Android 4.x

Where do I copy which file from my OpenPGP installation on Ubuntu 14.04 on my Android 4.0 device to be able to import it into APG which is the en-/decryption provider I use in the K-9 Mail client?
0
votes
1answer
105 views

How do I find my public key on my Mac?

I'm using an OS X machine, and I've noticed that in the process of setting up an automated backup a long time ago, I must have also installed a Mac implementation of OpenPGP (though I unfortunately ...
1
vote
1answer
87 views

How can I determine what encryption algorithm someone used if I have their PGP Key ID and Fingerprint?

I just learned how to lookup a user's info on pgp.mit.edu. Is there some way to determine what algorithm the user is using?
1
vote
1answer
316 views

Import PGP key to windows user for SSIS

I have used Kleopatra to generate a pgp key. In SQL Server I am running an SSIS package that should decrypt files using the above key. The SSIS packages runs as ImportFiles which has the identity of ...
1
vote
2answers
518 views

Encrypt file using PGP/GPG having multiple recipients [duplicate]

I have used GPG for some time and know a little about the inner workings. For example I know how to encrypt a file with your public key so only you can open it with your private key, neat. But ...
0
votes
1answer
42 views

pgp semaphores management on linux

I've an issue with pgp semaphores management. As far as I see pgp (version 6.5.8) creates 4 semaphores while starting to encrypt the file but only 2 of them are then destroyed at the end. To ...
0
votes
0answers
61 views

How to verify a digital signature in pgp?

I am very inexperienced with cryptography, please answer using minimum technical terms. I encountered this site. The person claiming to be the owner of this site published his signature in pgp to ...
-1
votes
1answer
43 views

PGP encrypted mails

I am using Thunderbird with EnigMAIL, have my own keys generated, and downloaded the receivers public key. Now when I send the e-mail, I understand that my system encrypts the message using THEIR ...
0
votes
1answer
22 views

GPG: Different trust “categories”

I'm getting started with GPG and sent my key to the PGP Global Directory. When I verified my email address, they signed my key, and I've got a question. In one case, I might not really care about ...
1
vote
2answers
303 views

unable to decrypt certain files with secret key pgp 6.5.8, any advice?

Ok so I do some stuff for a client of ours that requires me to decrypt some of their suppliers messages, the thing is, something weird happened the other day and I can only decrypt some files with an ...
1
vote
2answers
252 views

How can you let mutt encrypt mails in the sent-mail folder?

When i sent an encrypted mail, i was surprised that the copy in sent-mail was not encrypted. Checking with a testmail, the mail is sent encrypted, but the copy in the sent-mail folder is plain text, ...
0
votes
1answer
110 views

How to export PGP key (in clear text?)?

I created a set of PGP keys in Kleopatra using GPG4Win. I want to use my private and public keys to encrypt and decrypt emails with this Chrome extension: ...
0
votes
0answers
50 views

Scan for Unencrypted Data

I need a program that scans for unencrypted files. The files are encrypted with PGP, GPG, and WinZipAES256, so the program needs to be able to recognize these formats as encrypted. Since I need to ...
1
vote
1answer
388 views

PGP Encryption/Decryption issue & Integrity methods

We had a process that ran for almost 3 years with no problems until last week. We tried to generate an encrypted file and it successfully made it, but on decryption, it gave us this error: It's ...
2
votes
3answers
265 views

Is it possible to associate a secondary email address with an existing *public* key?

For example, if I have a friend's public key that's associated with, say, email address john@domain.com, but I want to send him a message at john@other.net, is there a sensible way to do this? Is ...
1
vote
1answer
192 views

Free replacement for PGP Desktop

A few years ago I used to use PGP Desktop unfortunately Symantec bought this excellent program and now wants a lot of money for Symantec Encryption Desktop Professional. Does anybody know of a free ...
0
votes
2answers
333 views

GPG4WIN Keys and Transferring them

I have installed www.gpg4win.org and have generated a keys that will allow me to both sign and encrypt files. On windows it uses the (KDE) / Kleopatra Certificate Manager - Version 2.1.0. What is the ...
8
votes
1answer
2k views

PGP encrypt single message for multiple recipients

Is it possible to encrypt a message using PGP so that multiple recipients (each with their own public private keypair) can decrypt it? I'd like to email one message which can be decrypted by each ...
0
votes
1answer
184 views

PGP encrypted external Toshiba drive

I encrypted my external hard drive, a 350 GB Toshiba with PGP disk encryption and i forgot the password. Question: Is it possible to use a brute force attack (considering i know part of the password), ...
1
vote
3answers
489 views

Is it possible using symmetric encryption to encrypt a file with two different keys?

GPG/PGP and other public key encryptions allow encrypting to several recipients using their public keys. Is it possible to use only symmetric encryption to do that same? In other words is it possible ...
1
vote
1answer
792 views

gpg: import failure key xxxxxxxx: no valid user IDs

i am getting this error while importing a public key on gpg (GnuPG) 1.4.2 gpg: armor header: Version: GnuPG v2.0.14 (GNU/Linux) gpg: pub xxxxx/xxxxxxxx 2012-05-25 abcd xyz <email@address.com> ...
2
votes
1answer
82 views

How do you deal with PGP + Drafts in Thunderbird?

I'm having trouble trying to setup a secure email client. I have marked an option to always encrypt emails by default. But they only get encrypted right before being sent, so sometimes a draft is ...
3
votes
1answer
383 views

How can I use a PGP key on Windows to sign/verify and encrypt/decrypt documents?

Occasionally I need to encrypt a file, cryptographically sign something, etc. GNU PG and PGP are good tools for this, but how can I get them working on Windows? When I try to search for an installer, ...
5
votes
2answers
764 views

if one doesn't care about protecting a gpg secret key, is it still as secure as using gpg --symmetric?

Each of Alice and Bob is using gpg just to protect his/her own personal files and not using it as a way to send encrypted text to others. Alice has generated a key (gpg --gen-key) that she uses to ...
2
votes
3answers
1k views

Does the use of Tor makes additional encryption unnecessary?

I know Tor uses encryption to guarantee anonymity, but I if wish to guarantee the privacy of my conversations should I use an additional layer of encryption? Can my home router or ISP intercept Tor ...
0
votes
1answer
406 views

PGP on linux suse

The following script works on a windows server : pgp --encrypt TESTDIR\TESTPgp.txt -r issucnc Exit How would I make the same code to work on a linux server if I wanted to transfer a file from linux ...
1
vote
2answers
2k views

PGP command-line program t be called from script or batch file?

I am seeking a freeware, open-source, or fairly cheap PGP Command Line app which can do PGP file encryption. It should be a Windows solution, and should be able to be called at the command-line, ...
0
votes
1answer
37 views

Creating and evaluating digital signed signatures for authentication etc

This question is triggered by an email from Microsoft this morning about a security bulletin. It started with -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 and ended with a PGP signature. I've ...
0
votes
2answers
944 views

Formatting OpenSSL encrypted message, and signature in the same plaintext file

I'm working on designing an API which requires encrypted messages to be signed and sent over TLS. The TLS is HTTP/SSL. The messages themselves are a few hundred Kb (at most) of JSON data, encrypted ...
1
vote
1answer
225 views

Is Data Object on openPGP smartcard v2 encrypted?

Currently I thinking about on-the-fly disk encryption using Truecrypt/dmcrypt LUKS with key stored on smartcard. I would like to use openPGP v2 smart card, respectively GPF Cryptostick which is based ...
1
vote
3answers
596 views

Send an encrypted mail via telnet

I've got a public OpenPGP key and need to send an encrypted email using telnet. However, I'm unable to find anything related to this topic. I have no problem sending an email via telnet, but cannot ...
2
votes
2answers
669 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 ...
1
vote
1answer
88 views

Encrypted email archive with encryption on client, not server

Even though most of my email is coming in un-encrypted, I want to store it on a server somewhere in encrypted form. Is there any solution available that encrypts on the client so that a compromised ...
3
votes
2answers
240 views

Is it possible to encrypt files without knowing the public key of person I am willing to share the data?

If I have files that I would like share with another person however if this person does not have a public key e.g. they have not yet installed PGP, etc how can I encrypt the data so that only that ...
4
votes
1answer
15k views

what is PGP public key block?

There's PGP public key block posted on some websites (eg. http://phrack.org/index.html). It's not hex code. it uses much more alphabet characters. What is it? Why is this information posted? how can ...
0
votes
1answer
166 views

Can I use GnuPG to verify that a file is unmodified and comes from the correct sender?

Can I use GnuPG to verify that a file is unmodified and comes from the correct sender? Let's take a simple use case: I have this file with some important content, let's say it is in a .tar.gz file. ...
10
votes
1answer
4k 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?
2
votes
0answers
564 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 ...
1
vote
1answer
331 views

How do I get GPGMail to stop automatically enabling encryption options when I email people whose public keys are saved in my keychain?

Title pretty much explains my problem. I like having the option to encrypt when I mail certain contacts, but that doesn't mean I want to do it every time — having to disable encryption 90% of the ...
0
votes
2answers
2k views

Full Disk Encryption for Mac (Not PGP)

I purchased PGP Whole Disk Encryption for my Macbook Pro, and it's exactly what I need. After the Symantec acquisition, PGP no longer sells single licenses of the software so I can't purchase a ...
5
votes
2answers
334 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 ...
1
vote
1answer
524 views

Generate a PGP key with DSA key size of 1024 bits and El Gamal key size of 2048 bits using Mac GPG 2.0

Can somebody please tell me how to generate a PGP key with Mac GPG 2.0 that uses a DSA key for signing with a length of 1024 bits, and an El Gamal key for encryption with a length of 2048 bits ? I've ...
1
vote
1answer
897 views

What is the best PGP program, commercial products included?

What is the best PGP program, commercial products included? Must have: Easy and streamlined email integration for common clients. Easy to encrypt single files with simple GUI. Some kind of trusted ...
1
vote
3answers
213 views

Does re-encryption tampers the original encryption?

I usually use AxCrypt to encrypt my documents. For some documents that I want to store online, being a paranoid, I re-encrypt using PGP. I want to know whether re-encryption does affect the previous ...
3
votes
1answer
11k views

Decrypt PGP file using ASC key

I installed the command line version of pgp and I received a .pgp file and its key in a .asc file. How can I decrypt the pgp file using command line and the asc key?
38
votes
1answer
2k views

Short, easy to understand explanation of GPG/PGP for nontechnical people?

Does anyone have a link to a good, but short (1-2 paragraphs) explanation of the benefits of using GPG/PGP signing and encryption for Email focused at non-technical readers? That is, why would someone ...