An ascii file can be easily encrypted and
decrypted.
To encrypt simply pipe the STDOUT of
the file to "crypt" and redirect it to
a new file name. Enter a passowrd when
prompted with "Enter key".
$ cat foo | crypt > foo.e
Enter key:
To unencrypt simply pipe the STDOUT of
the encrypted file to "crpyt" and
redirect it to a new file name. Enter
a passowrd when prompted with
"Enter key".
$ cat foo.e | crypt > foo.new
Enter key:
NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.