## Use the Storage Device as backup and reusable enviroment
As you may want to keep a offline backup of your keys as well as a clean enviroment to be set up easily, you also might consider to keep your USB-Storage device including the keys in a save place. Therefore, just set your desired GNUPGHOME-Variable:
```console
$ export GNUPGHOME=~/gnupg-workspace
$ cd $GNUPGHOME
```
**Remember** You must store the device in a secure place afterwards or destroy it physically (smash, burn, shred etc.)
## Harden your setup
Create a hardened configuration in the temporary directory with the following options: