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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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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21 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, ...
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28 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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7 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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6 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
40 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 ...
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1answer
70 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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99 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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18 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 ...
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106 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
28 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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183 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 ...
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4answers
92 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 ...
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2answers
3k 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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42 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, ...
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1answer
49 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 ...
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1answer
64 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 ...
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1answer
47 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 ...
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1answer
158 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
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1answer
93 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 ...
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2answers
64 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 ...
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1answer
111 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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31 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 ...
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1answer
19 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 ...
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1answer
278 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
29 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 ...
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1answer
61 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 ...
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1answer
93 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
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1answer
106 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 ...
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1answer
108 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.
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1answer
148 views

How do I display the usage flags for my encryption keys in a less hackish way?

I am trying to educate myself on the use of encryption keys and I've been experimenting with this old Linus Torvalds’ key that I found 956EB7BF449FA3AB. I am interested to display the usage flags but ...
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1answer
87 views

Verify signed file using GPG by passing in signature hosted online rather than stored locally (i.e. in keyring)?

Is it possible to pass the URL of a GnuPG signature when executing a verify query against a signed file? For example, instead of: gpg --verify file.txt Is there a variation of something like: gpg ...
3
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1answer
46 views

Is the PGP version number required?

ASCII-armored GnuPG data usually has a Version header: -----BEGIN PGP MESSAGE----- Version: GnuPG v2.0.22 (GNU/Linux) hQIMAxfkjOs8YMF+AQ//e9yWfwKBddUX/1YfghKfF/xJhuirYmAdxhsLaO5Fj0QJ ...
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1answer
1k views

Unable to send pgp key to keyserver

Trying to follow the steps in http://packaging.ubuntu.com/singlehtml/ to create a deb package for some software... I had to start by generating a GPG key $ gpg --gen-key Then upload the public ...
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2answers
99 views

How should GnuPG's `--desig-revoke` command be used?

How should the GnuPG command --desig-revoke be used, and in which cases should you use it? According to the manual: --desig-revoke name Generate a designated revocation certificate for a key. ...
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2answers
56 views

What file extensions should be used on GPG generated output?

In Linux file name extensions are irrelevant, but on a Windows system, many GPG users use GUI applications rather than the command line. They may want to be able to double click on an encrypted file, ...
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1answer
127 views

Unable to use “transient-key” when generating a batch GPG key

I'm generating a few test keys, but I can't seem to use the %no-protection and %transient-key flags. I get the following message: $ cat dwight | gpg --homedir "dwight-keys" --gen-key --batch gpg: ...
2
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1answer
575 views

Can you extend the expiration date of an already expired GPG key?

Lets say I add an expiration date to a GPG/PGP key, then for some reason am unable to extend the expiration date of the key before its time is up. Assuming I still have access to the private key (and ...
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1answer
55 views

How much information is included with a GPG signature?

Let's say you verify someone's signature with GPG: $ gpg --decrypt statement.txt.sig "I am not a crook." gpg: Signature made 17 Nov 1973 9:31:50 AM CDT using RSA key ID 92861D99 gpg: Good signature ...
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1answer
183 views

PGP Public Key expiration GPG

I'm in the process of importing a public key from a business partner. We have always use GPG and never had a problem. I’m importing this key using: gpg --import "FileName.asc" gpg: key AC260214: ...
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1answer
62 views

How to update PGP public key after new uid is added?

I have a PGP keypair to which I just added a new uid. Is the previously exported public key and private key still valid? If I export a new public key with armor, it does look different and longer ...
0
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1answer
35 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 ...
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49 views

Use RSA keypair for PGP encrypt and decrypt

I use PKI smartcard. I generated public and private key on my smartcard and store keys in it. I want use these keys for PGP encryption and decryption. However, I don't know Can I make this?
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81 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 ...
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1answer
771 views

How can I fix a corrupted PGP file?

I've encrypted a file with PGP but for "security reasons" I thought it would be good to damage the header and add some extra bytes so that even if someone finds it it won't know for sure it's a PGP ...
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1answer
79 views

How to generate an OpenPGP Signed Message with GPG?

In RFC 4880, there is section 11.3 which specifies the different formats an OpenPGP Message block can have: 11.3. OpenPGP Messages An OpenPGP message is a packet or sequence of packets that ...
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1answer
33 views

What is introducing quoted-printables into my PGP-encrypted emails?

I've set up PGP email encryption on two computers using Enigmail and Thunderbird. One is running Mac OS X, and the other is running Arch Linux. Everything functions fine from within Thunderbird on ...
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75 views

pgp pass phrase not working in enigmail but does in command line

Hi I've been strugling with this issue of pass phrase and due to the amount of mail I have encrypted, I can't seriously change my pass phrase. Here's the issue : Enigmail don't recognize my pass ...
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1answer
488 views

Trying to verify file signature in GPG4win: Not enough information to check signature validity

I've downloaded enigmail for Thunderbird and I'm trying to verify the PGP signature with GPG4win. I imported the public certificate, certified it with my own, downloaded the Open PGP signature, and ...
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32 views

PGP: encrypt all parts as one or each separate

When I receive emails in my K9-Mail on Android with APG installed some mails I can press "decrypt" right away inside the email, to read it, and some others, I only get the encrypted message as an ...