$ curl cheat.sh/
# 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 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

$
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