PGP (Pretty Good Privacy) is a computer program for encryption and decryption of data that provides cryptographic privacy and authentication for data communication.

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Enigmial does not put the secret key into the secret keyring

I've been using Enigmail 1.8.2 on Thunderbird 38.5.0 from the Fedora 23 repository. I generated a key pair by using Enigmail and I can send encrypted and signed emails by using Thunderbird (or even by ...
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18 views

How to link .asc / .pgp / etc. files with Kleopatra on Windows?

Having an *.asc or *.pgp file on e-mail attachments displayed in Thunderbird, but also having files with these extensions on the harddrive: How do I link them with Kleopatra (always open with), on ...
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2answers
48 views

How do I manage multiple e-mail addresses with GnuPG?

I feel like this is a question that should have plenty of coverage, yet I found nothing that explained this to me in a way that I understood. It may be (and feels like it) that I misunderstood ...
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13 views

Can't decrypt immediately after encryption

I want to use GPG to create an encyrpted backup. I am testing the encryption before I use it and it's not working like I expect. I am using this script to test it: gpg --gen-key gpg --encrypt $0 ...
1
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1answer
59 views

“Email address or key ID cannot be matched to a valid, not expired OpenPGP key” in Enigmail after moving to a new computer/account

When I write a new email in Thunderbird while signing the mail using Enigmail, I get an error message: Enigmail Alert Encrypt draft messages on saving The email address or key ID ...
0
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1answer
60 views

generating RSA private key from PGP PRIVATE KEY BLOCK

I downloaded my private key block from keybase.io (into file keybase.ppk). It starts with: -----BEGIN PGP PRIVATE KEY BLOCK----- Version: Keybase OpenPGP v2.0.49 I would now like to create a ssh ...
3
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1answer
23 views

GnuPG Domain to Domain email encryption

I'm running a Debian mail server and am looking forward to encrypt mails from my domain to the domain of a business partner. Also, the encryption should happen on the mail server itself not on a mail ...
1
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1answer
45 views

GPG Tools: location of private keys

I moved to another Macbook. Because of expensive SSDs and really smaller disk size, and because I wanted to start clean with this install, I couldn't transfer the user folder. I have the old disk in ...
0
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1answer
24 views

Best practice to send OpenPGP encrypted messages to K-9 Mail on Android [closed]

In K-9 Mail, some OpenPGP encrypted messages are shown directly, some you have to download separately to decrypt them in APG. There are some PGP/MIME or PGP/INLINE options in Thunderbird, you can ...
3
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2answers
28 views

Why does PGP encrypt differently when piping into a file instead of printing the result?

I'll use the following PGP key stored in pub.pem: -----BEGIN PGP PUBLIC KEY BLOCK----- Version: PGPfreeware 6.5.8 for non-commercial use <http://www.pgp.com> ...
1
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1answer
22 views

GPG giving bad signature when email is downloaded as .eml

I'm trying to test whether someone with a copy of my public gpg key can verify a signed email that they receive from me. I'm using two computers for this. On the first, I have my key generated and ...
0
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1answer
92 views

How to use gpg --gen-key in a script?

GnuPG is one of these annoying tools that has a non-scriptable command line. I want to run gpg --gen-key in a script, the rest of the process is simple commands. Any one had any luck with this? ...
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118 views

How to convert a public key file (RSA) in .asc or .pub, to a PGP public key block (RSA)?

I have a public RSA key file generated by the ssh linux tool "ssh-keygen". So it is a .pub file like with this content: ssh-rsa ...
0
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1answer
25 views

GnuPG - web of trust possible for offline device?

I plan to issue software updates to offline machines via USB sticks. Machies will be dispatched, and on site for potentially many years, During that time, new developers will be hired and fired. I ...
2
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1answer
22 views

What is the minimum amount of data I need to sign a file?

Let's say I have a multi-gigabyte file on a work computer, and (2) I have my private GnuPG key on my home computer. I want to sign the really big file with my private key. I trust my home computer ...
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2answers
146 views

How can I perform PGP encryption and decryption method using openssl commands

I have a PGP public key of B. Now A wants to send an encrypted message to B using his PGP Public key by using PGP method. How can I do this with OpenSSL? Edit I have seen wiki page for PGP method ...
0
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1answer
305 views

Sign & Encrypt vs. Encrypt & Sign - What does GPG do?

I’ve already read the discussion Should we sign-then-encrypt, or encrypt-then-sign? and the paper Defective Sign & Encrypt in S/MIME, PKCS#7, MOSS, PEM, PGP, and XML. My question has to do with ...
2
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2answers
76 views

Sending email using my GPG public key: Trying understand how to encrypt a PDF I will email

I am working on Mac OS X and using GPG KeyChain software to send an email to someone with my public key. It looks like the following: I am trying to understand the following two cases: When I ...
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1answer
197 views

Ranked Order of Security for Encryption Algorithm Preferences: For GPG

GPG & PGP negotiate the encryption & hashing algorithm to use based on the recipient key's prioritized list of supported algorithms. The problem is DES/MD5 are forced to be included as the ...
0
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1answer
45 views

GnuPG and cipher mode of operation

What cipher mode of operation does the GnuPG software use? And how I can change the mode? In openssl, I can explicit say "aes-256-ecb" or "aes-256-cbc".
0
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1answer
33 views

Where to find signing certificates in Thunderbird?

I have recently installed a Linux version besides Windows on my laptop. I am now copying over important programs and settings. I used to sign messages in Thunderbird with a certificate in Windows. I ...
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0answers
83 views

Send email via Thunderbird (Enigmail) as HTML

I'm having a problem that I want to use Thunderbird in combination with the Enigmail addodn to send and recieve emails that are enrypted by PGP. I can already view emails that are sent to me as HTML, ...
1
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1answer
69 views

open a pgp file and edit the decrypted content, re-encrypt on save [closed]

I use dropbox to backup my data, but I don't trust it. It's mostly for .txt files Is there a way of opening them (with emacs or sublime text or something else), and edit the underlying content like ...
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0answers
18 views

Can I use a pair of subkeys in isolation, without the master key

I understand that upon generation, I get a Master signing key (alpha), and I get a encryption subkey (beta 1). If I create two keys, beta 2 sign-only and beta 3 encrypt-only, push them to a ...
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0answers
12 views

Enigmail local caching of decrypted emails?

I received some encrypted emails with large attachments which delays opening the mails in Thunderbird by several seconds which seriously hampers my workflow. Can Enigmail decrypt my emails only once ...
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2answers
48 views

Is it possible to encrypt only certain data when a laptop hibernates?

I would like to achieve protection from both ends of the spectrum: On the one end you have the need to protect the sensitive data on the laptop. Encryption of the system disk means the data will be ...
2
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2answers
202 views

How to remove the gpg signature from a signed file without creating a new file on disk?

If I have a 100 MB signed binary file that I download over the internet, I need 200 MB of disk space to open it. The file is just signed, not encrypted. When disk space is low, It is not possible to ...
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0answers
206 views

Possible to Load/Unload DiskDrive Filter Driver On-The-Fly Without Restarting?

As the title implies, I want to know if I can load or unload a diskdrive filter driver without restarting the machine and have the change take effect immediately. I'm doing this in a WinPE ...
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28 views

Newly generated pgp keypair missing from Portable PGP

I have a USB drive with Portable PGP on it and have used it for quite some time with no issues. I generated a new key-pair the day before yesterday in order to secure a new account with 2FA ...
0
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0answers
180 views

Public armored key for OpenPGP from .pfx file?

With OpenSSL I can generate a public key file from a .pfx file as follows: openssl pkcs12 -in cert.pfx -clcerts -nokeys -out pubcert.pem openssl x509 -pubkey -in pubcert.pem -noout > pubkey.pem ...
3
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1answer
47 views

How to generate the revocation certificate after being made a revoker with GnuPG

I read the "How should GnuPG's `--desig-revoke` command be used?" question/answer, so now I know when to use the --desig-revoke. So, I have two different private keys -- one at work (WORKWORK), ...
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1answer
353 views

Using OpenSSL to generate encryption key for Outlook users

A private web application needs to receive encrypted email from perhaps 20 known users. How can I use OpenSSL to generate a valid encryption certificate that Outlook users can import and use to ...
2
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4answers
157 views

GPG public key created with GnuPG is rejected by MS Outlook 2010, why?

I created a GPG keypair with GnuPG on the CentOS 7 command line and I have exported the public key into a .asc file and successfully used that public key to encrypt emails sent from another email ...
8
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2answers
7k views

How long would it take to break a 1024 bit OpenPGP encrypted email?

For WPA, there are calculators to determine the time needed to crack a passphrase, but I have found nothing for OpenPGP. How long would it take to break a 1024 bit OpenPGP encrypted email (depending ...
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0answers
53 views

Export P12 from GnuPG for PDF signing field

It seems to be possible to export a PGP .asc file to .p12, but I'm unable to use the generated .p12 file for a signature field in a PDF file. Is there a way to export it so it's usable for that field, ...
0
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1answer
77 views

Supress password prompt in GPG

Using GnuPG one can symmetrically encrypt a file using: gpg -c --cipher-algo TWOFISH --digest-algo SHA512 secret.txt and decrypt using: gpg -d -o secret.txt secret.txt.gpg After running these ...
0
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1answer
96 views

are gpg keyservers synchronised with each other? pgp mit server too?

A question regarding the gpg keyservers: Are the servers found in the list here synchronised with each other?: http://www.gpg4win.org/doc/de/gpg4win-compendium_22.html So uploading a pub key to one ...
0
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1answer
76 views

gpg key, submit to keyserver and find again using webbrowser

I am using Kleopatra to create gpg keys (gpg4win). However, I also want to use openkeychain on android. openkeychain uses pgp.mit.edu as keyserver, Kleopatra uses keys.gnupg.net keyserver. How can I ...
0
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1answer
343 views

How to generate a gpg4win keypair without passphrase?

I would like to generate a gpg keypair using gpg4win. I am at the point where a personal OpenPGP key pair is generated, but: How can I generate a keypair using gpg4win with no passphrase? The private ...
3
votes
1answer
137 views

Why is the ASCII-armored version of my OpenPGP public key so long?

My OpenPGP key pair was generated by 2048 RSA. The ASCII-armored version of the public key is much longer than most others that I see on the OpenPGP key servers. Mine is several screens worth of ...
2
votes
2answers
97 views

How to replicate GPA's Sign and Compress option on command line in Windows

As the title says, I need to replicate GPA's "Sign and Compress" option on the command line. I'm trying to automate some encryption of files for submission to a bank and the instructions they gave me ...
0
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1answer
154 views

Recovering a damaged PGD file

Recently, I got a disk crash and one partition of my HDD was wiped out. I used EaseusDataRecoveryWizard to search for some important files I had. There are 2 PGD files, virtual disks used by PGP ...
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0answers
36 views

Encrypt Lightning event invite mails with pgp

I use Thunderbirds/Icedoves Lightning add-on to manage my calendar, tasks and notes. When creating an event I can add attendees and send invitations to them, but they won't use their public pgp keys ...
0
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1answer
24 views

Recipient ID asked whie using Symmetric encryption with GnuPG

I'm trying to encrypt a file using AES algo and sign it using my private key in GPG. The command I'm using is gpg --encrypt --symmetric --cipher-algo aes256 --armor --sign input-file It asks me for ...
2
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1answer
403 views

Use PGP/Mime with Thunderbird and Enigmail

I would like to sign all my mail with my PGP key, and no matter if the recipient uses PGP or not, it should not confuse them. Last week I read a discussion that inline PGP is not good pratice, and I ...
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1answer
33 views

PGP encrypted mails look so awful in the gmail-plain-text-editor

I run Firefox on OpenSUSE 13. 1 I want to send mails to my friend and they are encrypted. But if I use Gmail and switch to plain-text then the mails look so awful to me. (see below) And the ...
0
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1answer
100 views

How to remove Version Information from Encrypted OpenPGP message in Windows?

I am using Keybase.io with GnuPG on Windows 8.1 via Powershell. I am wondering how to remove the Version line from the encrypted and or signed message. Here is example if what I mean: -----BEGIN PGP ...
0
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1answer
168 views

Why does GPG not like this encrypted message?

I had the following encrypted message laying around on my computer from back when I was playing around with GPG (and in this case, Enigmail) -----BEGIN PGP MESSAGE----- Charset: ISO-8859-15 Version: ...
3
votes
1answer
178 views

pgp: using subkey to sign, but should I publicize the fingerprints of both my master key and subkey?

I used gpg to create a key pair. I understand that a master key for signing only and a sub key for encryption only are generated. Following the Debian Wiki, I created a sub key for signing for better ...
3
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1answer
270 views

pgp: **key revoked** [NOT verified]

I revoked my key today, and uploaded it to the server. However, When looking at the server web page, I saw it says **key revoked** [NOT verified]. How do I verify this? I am using gpg.