All Questions
12
questions
3
votes
1
answer
543
views
GPG subkey seems to have different password
I have recently created a new OpenGPG key with Thunderbird and exported it to use it with gpg. However, I cannot decrypt anything outside Thunderbird because my subkey - which is used for encryption - ...
- 33
2
votes
0
answers
3k
views
Convert GPG private key to QR code?
How can I generate a QR code from a OpenPGP/GnuPG private key on Windows 7?
Context:
I created a private key pair on a Windows computer and want to import the key to my phone. The phone app has ...
- 115
2
votes
1
answer
3k
views
How to convert gpg4win's binary to ascii, with Notepad++
I can reliably convert gpg4win's ascii to binary using Notepad++ option "Base64 Decode" (credit: James K Polk). Works every time.
But when I attempt the reverse, i.e. convert binary to ascii, it ...
- 115
0
votes
1
answer
2k
views
How to convert gpg4win's ascii to binary?
gpg4win can save and read encrypted files in two forms:
Binary with .gpg extension
Base64/ascii with .asc extension
Is there a way to convert the Base64/ascii output to binary?
I tried with Notepad+...
- 115
1
vote
2
answers
787
views
GnuPG: Add passphrase to passphrase-less key
I've created my PGP keypair using an online site.
The thing is, I didn't provide a passphrase upon creation; The site didn't make supplying a passphrase mandatory.
Since this key is passphraseless, ...
1
vote
1
answer
300
views
Do I need a PGP key?
I've recently got familiar with the concept of OpenPGP public-private keys, and how to use GnuPG tool to manage PGP keys. I have three questions:
1- Is it necessary for me to have a PGP (or an ...
0
votes
1
answer
93
views
When should I backup my primary OpenPGP key?
When should I backup my primary OpenPGP key?
I recently generated an OpenPGP key using the following setup (output of gpg2 --list-keys):
pub rsa4096/KEYIDSC 2017-10-19 [SC]
uid [ultimate] ...
user775750
8
votes
1
answer
3k
views
How to use GnuPG to get the smallest possible output (symmetric encryption)?
I'm trying to produce very small OpenPGP-encrypted files that can be embedded into QR codes.
However, in comparison to for example OpenSSL, GnuPG seems to produce very large results for a simple ...
- 183
-3
votes
1
answer
2k
views
Remove unnecessary under-the-hood GPG public key cryptography
Background:
Some existing programs, such as git-annex (git-annex encryption) and pass, delegate cryptography to GPG, "a complete and free implementation of the OpenPGP standard". More ...
- 665
1
vote
1
answer
11k
views
GPG2 Encryption - No public key error
When I generate my keys using
gpg2 --gen-key
and then I try to try to encrypt the file using
gpg2 --batch --yes -r [email protected] --always-trust --homedir . -e test.text
I get an error "...
- 203
5
votes
3
answers
2k
views
How does public/private key cryptography work, who generates the key pair?
I have a requirement to encrypt a file, get it to an external partner who will then decrypt the file using a key.
My "basic" understanding is that I can generate the public and private keys, encode ...
- 203
0
votes
2
answers
2k
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 ...
- 123