Thanks. I will raise that as a query. While the DS8K's data is encrypted
using SKLM this is at rest and not during transmission.

If all data is encrypted before I/O are there any performance impacts on
say Z14's with lesser capable hardware encryption?

On Thu, Jun 16, 2022 at 4:31 PM Timothy Sipples <sipp...@sg.ibm.com> wrote:

> You can and should *cryptographically* isolate z/OS data sets using z/OS
> Data Set Encryption, preferably with protected key cryptography if
> available. You can find out more about this feature (and how to implement
> it) here:
>
> https://www.ibm.com/docs/en/zos/2.5.0?topic=sets-data-set-encryption
> https://www.redbooks.ibm.com/abstracts/sg248410.html
>
> With z/OS Data Set Encryption any/all encrypted data sets are encrypted
> before I/O. By the time the data (inside the encrypted data sets) reach the
> FICON Express adapters they're already encrypted. These cryptographic
> separation/isolation boundaries are per individual data set if desired, so
> they're highly granular.
>
> Whereupon you can ask *them* why they aren't encrypting all (or most)
> individual files with separate keys (if/as merited), and/or why they're
> using clear key encryption. :-)
>
> — — — — —
> Timothy Sipples
> Senior Architect
> Digital Assets, Industry Solutions, and Cybersecurity
> IBM zSystems/LinuxONE, Asia-Pacific
> sipp...@sg.ibm.com
>
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Reply via email to