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." Tony H. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
