gpg2

GNU Privacy Guard 2. See gpg for GNU Privacy Guard 1. More information: https://docs.releng.linuxfoundation.org/en/latest/gpg.html.

• List imported keys:

gpg2 --list-keys

• Encrypt a specified file for a specified recipient, writing the output to a new file with .gpg appended:

gpg2 --encrypt --recipient alice@example.com path/to/doc.txt

• Encrypt a specified file with only a passphrase, writing the output to a new file with .gpg appended:

gpg2 --symmetric path/to/doc.txt

• Decrypt a specified file, writing the result to stdout:

gpg2 --decrypt path/to/doc.txt.gpg

• Import a public key:

gpg2 --import path/to/public_key.gpg

• Export the public key of a specified email address to stdout:

gpg2 --export --armor alice@example.com

• Export the private key with a specified email address to stdout:

gpg2 --export-secret-keys --armor alice@example.com