Todd... ooops.  That's what I get for relying on memory!!




Rob Schramm
Senior Systems Consultant
Imperium Group



On Wed, May 15, 2013 at 8:08 AM, Todd Arnold <arno...@us.ibm.com> wrote:

> > There is/was a way to set a CEX card to allow it to keep the MK loaded
> > while being transferred between machines.
>
> Yes, but you also need a TKE to do this.  You can "enable" or "disable"
> the crypto card.  When the card is "disabled", you cannot perform any
> application-oriented crypto functions with it - for example, encrypting
> data, managing keys, etc.  The only things you can do are the functions
> related to re-enabling the card, which is done via TKE.  While the card is
> in "disabled" state, you can remove it from your machine and it will not
> lose any of the stored data such as the master keys - but you also cannot
> USE those master keys for anything until the card is re-enabled, and that
> is not possible except through TKE by two authorized administrators.
>
> Here is part of the description that is in the TKE user's manual:
>
> --------------------------
> A crypto module is either enabled or disabled. When a crypto module is
> enabled, it is available for processing. You can change the status of the
> module
> by pressing the Enable Crypto Module / Disable Crypto Module push button.
> Enable Crypto Module is a dual-signature command and another authority may
> need to co-sign. Disable Crypto Module is a single signature command.
>
> Disabling a crypto module disables all the cryptographic functions for a
> single
> crypto module, a group of crypto modules, or a domain group. This disables
> the
> crypto module for the entire system, not just the LPAR that issued the
> disable.
> --------------------------
>
> Todd Arnold
>
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