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Date:      Fri, 18 Oct 1996 01:57:34 +0400 (MSD)
From:      "=?KOI8-R?Q?=E1=CE=C4=D2=C5=CA_=FE=C5=D2=CE=CF=D7?=" (Andrey A. Chernov) <ache@nagual.ru>
To:        guido@gvr.win.tue.nl (Guido van Rooij)
Cc:        thorpej@nas.nasa.gov, phk@critter.tfs.com, guido@freebsd.org, freebsd-hackers@freebsd.org, tech-userlevel@netbsd.org
Subject:   Re: cvs commit: src/lib/libc/db/hash hash_buf.c
Message-ID:  <199610172157.BAA00344@nagual.ru>
In-Reply-To: <199610172004.WAA11623@gvr.win.tue.nl> from "Guido van Rooij" at "Oct 17, 96 10:04:45 pm"

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> > 
> > bzero'ing a hash buffer is not a complete solution to the problem,
> > since the process may contain other potentially sensitive data
> > in its address space.  What you really want to do is protect
> > the cores.
> > 

I consider it as a bad move too and performance degradation.
Why only DB? Why you don't automatically clear stack too? :-)

Passwords can be stored anywhere in the application,
and it is per-application task to clear sensetive data anywhere.

Please, back out this change.

> And what about a user attaching a debugger to a running ftpd...

He must be root for that.

-- 
Andrey A. Chernov
<ache@nagual.ru>
http://www.nagual.ru/~ache/



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