Re: encryption

[john doe <johndoe65534@mail.com>]

On 4/21/2018 5:20 PM, Brian wrote:
> On Fri 20 Apr 2018 at 17:07:10 -0700, David Christensen wrote:
>
> > On 04/20/18 12:38, Brian wrote:
> > > T have a script. It contains an important password.
> > >
> > > I have encrypted the script with
> > >
> > >     scrypt dec -t 10 /usr/local/bin/myscript
> >
> > Looking at:
> >
> > http://manpages.org/scrypt
> >
> >
> > That command decrypts /usr/local/bin/myscript (and I don't know if the -t
> > option is valid for decryption).
>
> A typo. It should be "enc", not "dec".
>   
> > > I can, of course, decrypt it with
> > >
> > >     scrypt dec /usr/local/bin/myscript
> >
> > Assuming /usr/local/bin/myscript is ciphertext, that command will print the
> > script on STDOUT.
>
> Another bit of sloppiness. Redirection to a file should have been
> mentioned.
>   
> > As scrypt is going to prompt you for a passphrase anyway, why don't you
> > leave the script unencrypted and revise it to prompt for the "important
> > password"?

Here's the code I used to let a script prompt for a password:

read -s -p "Enter password: "
[ $? -ne 0 ] && exit 1

--
John Doe