All Questions
Tagged with openpgp encryption
30
questions
2
votes
1
answer
4k
views
How to encrypt and sign a file using OpenPGP on Mac
I fear I may have sent a message without encryption when I thought it was being encrypted and signed. I don't use OpenPGP on a Mac too often (I can't remember the last time), so I'm trying to ...
- 12.3k
-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
2
votes
1
answer
1k
views
Are OpenPGP-encrypted files vulnerable to data corruption?
I have used GnuPG to encrypt some long-term backups, but I am concerned whether over time data corruption might make it impossible to recover the archives.
Can you decrypt partially corrupted OpenPGP ...
- 77
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
1
vote
1
answer
37
views
Another people's OpenPGP key in my computer?
Today, when I executed gpg --list-keys, I saw another people's key list here. I search in seahorse, but can not find it.
Is this key stored in my pubring.gpg file?
I only have one OpenPGP key for ...
- 143
1
vote
1
answer
4k
views
How to query for all recipient OpenPGP keys with GnuPG?
I cannot find a reliable method for asking gpg the list of (public) keys used to encrypt a given file. One plausible solution doesn't work for me -- it never lists my key:
gpg --list-only --no-...
- 3,496
0
votes
3
answers
4k
views
How to remove OpenPGP private keys from computer?
As the title reads, I wonder how I could securely, physically remove my private keys from my computer. I can't seem to find a way to do that on Kleopatra. These keys I'm talking about are used for ...
- 1
0
votes
1
answer
974
views
Is it possible to encrypt an email for two keys but the same email?
I started using Enigmail with Thunderbird to encrypt and sign my mails. It works fine with my brother and some other people.
Yesterday I got a reply from someone with whom I did communicate via ...
- 115
2
votes
1
answer
3k
views
Is GnuPG symmetric encryption vulnerable to brute force attacks on the passphrase?
The handbook suggests that symmetric encryption is appropriate (and therefore not less secure than public key encryption?) when only you need to access the plaintext. But according to this post, ...
- 23
3
votes
1
answer
95
views
Should my OpenPGP key used for storing documents in the cloud expire?
I plan on doing a mass migration of all my local files to various cloud services since space is pretty cheap these days.
I figure I should probably encrypt my data before I upload it, which is better ...
1
vote
1
answer
3k
views
GPG 2 decrypt from STDIN via pasting inconsistency
Does anyone know why in some cases you can do this:
gpg2 -d
And paste your GPG message into the terminal, type ctrl+D, get prompted for your passphrase and get the results to STDOUT? But in other ...
- 111
0
votes
1
answer
161
views
What's the standard (or accepted) method to use several encryption subkeys in GPG?
I would like to create for myself an offline main key with three subkeys.
for signing
for encryption on standard computer which I hope to be able to secure better
for encryption (and consequently ...
- 7,213
0
votes
1
answer
518
views
How to rebuild the gpg web of trust when all keys are expired?
Long story short, one of my machines hasn't been updated for a while, and the gpg keys it has for key servers and apt repositories have all expired. If possible, I would like to restore them to a ...
user142088
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