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}}