Re: encrypting passwords for rootpw

[Chip Turner <cturner redhat com>]

Jason Kohles <jkohles redhat com> writes:

> On Fri, 2003-01-10 at 12:19, McCanta, Jay wrote:
> >  
> > We build ks.cfg files on the fly, generate a floppy and hand that off for
> > installation.  How can I generate the encrypted password for the rootpw
> > option?  I don't want to put the plain text version in the floppy because
> > the people doing the install should not have the root password.  Different
> > systems have different root passwords and I want to generate it as we build
> > the ks.cfg.
> >  
> You can generate the encrypted passwords pretty easily with perl:
> 
> perl -e 'print crypt("password","salt")."\n";'
> 
> replace 'password' with the word you want to encrypt, and 'salt' with a
> random salt string.
> 
> For DES style passwords, salt should be any two characters:
> perl -e 'print crypt("mySecretPassword","XR")."\n";'
> 
> For MD5 passwords, you use the format '$1$salt' where the '$1$' is
> literal, and the salt is up to 8 characters:
> perl -e 'print crypt("mySecretPassword","$1$ABCDEFGH")."\n";'

Careful, you'll get $ expansion using $ inside a double-quoted
string.  Better is this:

  perl -e 'print crypt(q{mySecretPassword},q{$1$ABCDEFGH})."\n";'

Chip

-- 
Chip Turner                   cturner redhat com
                              Red Hat, Inc.