On Tuesday, 09/05/2006 at 04:04 CST, "Jeffrey D. Smith" 
<[EMAIL PROTECTED]> wrote:
> > Something to think about: CPACF does not do "secure key" operations. 
You
> > will still want to use ICSF in order to keep the clear-text keys out 
of
> > your application address space and to avoid Yet Another Key Managment
> > Problem.
> >
> > Alan Altmark
> 
> So, why did IBM update ICSF to support clear keys in the CKDS and
> its address space? Because IBM is marketing its own CPACF solution
> that requires clear keys. As long as the clear keys are kept in
> protected storage, it's not a big issue with most sites.

Jeffrey, I'm not sure of your point.  I was saying that before John McKown 
starting including KM and KMC instructions in his program he should 
consider the affects of having the keys in cleartext in the application 
address space.  If that's ok, with all that implies, fine.  If that's not 
ok, then he should get ICSF functioning again and call the CPACF-based 
encryption routines.  TDES and AES are available.

The ICSF book has a section on how to use CPACF with ICSF.

He can, of course, look at alternative solutions to ICSF if he's not 
interested in ICSF.

Alan Altmark
z/VM Development
IBM Endicott

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