Caveats

• Shared networks or terminals

  • Default location for keys and configuration files is ~/.gnupg.
  • Optional storage location for keys other than on server (including removable media or devices).
  • Shared memory, file locations or backups.
  • Encrypting text straight from terminal keyboard.

• File wiping

  • Deleted files only frees inode, data still exists.
  • Consider temporary files, timed saves or buffer swap locations.
  • Shred or wipe utilities exist for Linux.