In my tests, the key specified in R1 must exactly match. Placing 0 in R1 only helps for key0 storage.
There is no way to use MVCDK without knowing the exact key of the target. On Tue, 7 Feb 2017 13:51:25 -0500 Tony Harminc <[email protected]> wrote: :>On 7 February 2017 at 12:03, Binyamin Dissen <[email protected]> :>wrote: :>> POPs is not clear as to whether R1=0 will allow access to all keys. It does :>> seem logical, but is it true? :>Although it perhaps doesn't say so explicitly in the descriptions for :>MVCSK/MVCDK, I think it is completely clear from the use in those :>instruction definitions (and others) of the phrase "access key", when read :>with the description of Key-Controlled Protection in Chapter 3. Storage, :>which uses the same phrase, and says "The keys are said to match when the :>four access-control bits of the storage key are equal to the access key, or :>when the access key is zero." -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
