tldr/pages/common/gpg2.md

gpg

GNU Privacy Guard 2. 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 the standard output:

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 the standard output:

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

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

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