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However, as far is this guide is concerned, we assume that you only need your key in order to encrypt and decrypt data for yourself. Read the gpg man pages if you want to know more.
9.4.4. Encrypt data
Now you can encrypt a .tar archive or a compressed archive, prior to saving it to a backup medium or transporting it to the backup server. Use the gpg command like this:
gpg -e -r (part of) uid archive
The -e option tells gpg to encrypt, the -r option indicates who to encrypt for. Keep in mind that only only the user name(s) following this -r option will be able to decrypt the data again. An example:
willy@ubuntu:~$ gpg -e -r Willy /var/tmp/home-willy-20060808.tar
