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[Dimitri John Ledkov <launchpad@xxxxxxxxxxxx>]

https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1743750
is [18.04 FEAT] Add support for CPACF enhancements to openssl
also known as ltc-163655 and is only present in bionic.

In xenial:
we have src:openssl, 1.0.2 which does not have CPACF backport, and therefore the attached patch does not apply at all, and also there are no issues to fix there either. Unless, you mean openssl-ibmca is also affected in xenial? in that case do you have a patch for openssl-ibmca?

In bionic:
we have src:openssl, 1.1.0 which is not affected as you say, as the default openssl version.
we also have src:openssl1.0 which does have CPACF backport and the attached patch applies to. Please note, that openssl1.0 is only used by a small amount of packages in bionic. We are preparing the update for that package.


** Description changed:

- This is a fix for this feature's backport to openssl 1.0.2 ( 1.1.0 and
- upstream code are not affected ).
+ [Impact]
  
- Original LP ticket : 
+  * Fix hw accelerated performance impact on s390x with non-default
+ openssl1.0.
+ 
+ [Test Case]
+ 
+  * Test that performance of hw accelerated crypto is improved / i.e. ssl
+ speed test
+ 
+  * Test that openssh still works, just in case.
+ 
+ [Regression Potential]
+ 
+  * This only changes accelerated codepath on s390x, for specific algos when CPACF is enabled on the system cpu, which is usually on.
+  * Same fix is already in use by 1.1.0 default openssl package, and well excercised on bionic and up.
+ 
+ [Other Info]
+  
+  * original bug report.
+ 
+ 
+ This is a fix for this feature's backport to openssl 1.0.2 ( 1.1.0 and upstream code are not affected ).
+ 
+ Original LP ticket :
  https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1743750

** Also affects: openssl1.0 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: openssl (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: openssl1.0 (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: openssl (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: openssl1.0 (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: openssl (Ubuntu)
       Status: New => Incomplete

** Changed in: openssl (Ubuntu)
       Status: Incomplete => Fix Released

** Changed in: openssl (Ubuntu Xenial)
       Status: New => Invalid

** Changed in: openssl (Ubuntu Bionic)
       Status: New => Fix Released

** Also affects: openssl (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Also affects: openssl1.0 (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Changed in: openssl (Ubuntu Cosmic)
       Status: New => Fix Released

** Changed in: openssl1.0 (Ubuntu)
       Status: New => Confirmed

** Changed in: openssl1.0 (Ubuntu Xenial)
       Status: New => Invalid

** Changed in: openssl1.0 (Ubuntu Bionic)
       Status: New => Confirmed

** Changed in: openssl1.0 (Ubuntu Cosmic)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1775018

Title:
  Fix for openssl 1.0.2 backport

Status in Ubuntu on IBM z Systems:
  Triaged
Status in openssl package in Ubuntu:
  Fix Released
Status in openssl1.0 package in Ubuntu:
  Confirmed
Status in openssl source package in Xenial:
  Invalid
Status in openssl1.0 source package in Xenial:
  Invalid
Status in openssl source package in Bionic:
  Fix Released
Status in openssl1.0 source package in Bionic:
  Confirmed
Status in openssl source package in Cosmic:
  Fix Released
Status in openssl1.0 source package in Cosmic:
  Confirmed

Bug description:
  [Impact]

   * Fix hw accelerated performance impact on s390x with non-default
  openssl1.0.

  [Test Case]

   * Test that performance of hw accelerated crypto is improved / i.e.
  ssl speed test

   * Test that openssh still works, just in case.

  [Regression Potential]

   * This only changes accelerated codepath on s390x, for specific algos when CPACF is enabled on the system cpu, which is usually on.
   * Same fix is already in use by 1.1.0 default openssl package, and well excercised on bionic and up.

  [Other Info]
   
   * original bug report.

  
  This is a fix for this feature's backport to openssl 1.0.2 ( 1.1.0 and upstream code are not affected ).

  Original LP ticket :
  https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1743750

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