GnuPG and it's use

Date: 29th October, 2023

About and instalation of GPG (GNU Privacy Guard)

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GPG (GNU Privacy Guard) is a complete and free implementation of the OpenPGP standard.

URL: https://www.gnupg.org/

On Archlinux using yay: yay -S core/gnupg

Encryption / Decryprion

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Encrypt file or folder (compress the folder) (Self Encrypt):

gpg --encrypt --recipient [email protected] folfer-or-file.tar.gz

Encrypt for multiple people to decrypt:

gpg --encrypt --recipient [email protected] --recipient [email protected] xyz.txt

Decrypt to terminal:

gpg  --decrypt snap.xyz.gpg

Decrypt to file:

gpg --output snap_dec2 --decrypt snap.tar.gz.

Export Keys

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Export public key:

gpg --export --armor [email protected] > pubkey.asc

Export Private key:

gpg --export-secret-keys --armor [email protected] > privkey.asc

tar the keys:

tar -czvf gpg_folder.tar.gz gpg_folder

backup in cloud.

to import these keys on a new device or secure server:

gpg --import pubkey.asc
gpg --import privkey.asc

next, trust keys:

gpg --edit-key [email protected]
	trust
	5
	quit

Encrypt Passwords using pass

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About Pass: Stores, retrieves, generates, and synchronizes passwords securely

yay -S extra/pass
pass init [email protected]
pass insert outlook

Generate complex passwords: pass generate genrate-example 30

pass insert work/company1/email