[Bug 1602655] Re: The openssl s390x assembly pack is not used

[ChristianEhrhardt]

Hi Bastian,
wasn't up until recently the pure SW slow anyway and only added about 2-3 years ago in that crazy perl generated code?
I remember we wondered why SW mode was suddenly as fast as HW mode.

Up until that time to exploit HW like cpacf one had to install and configure ibmca, which should would work today as well.
Is the test with HW-nocard as fast as it should be in general (excluding for bug 1601836)?

This doesn't mean it shouldn't be added, but in terms of severity and
urgency that would mean: a proper setup works and thereby a workaround
is available right?

** Package changed: ubuntu => openssl (Ubuntu)

** Changed in: openssl (Ubuntu)
   Importance: Undecided => Medium

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

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https://bugs.launchpad.net/bugs/1602655

Title:
  The openssl s390x assembly pack is not used

Status in Ubuntu on IBM z Systems:
  New
Status in openssl package in Ubuntu:
  Confirmed

Bug description:
  The openssl s390x assembly code is not available, causing a fallback to openssl internal C-code.
  The performance degradation is up to a factor 4 for asymmetric (RSA, ...)  and a factor >10 for symmetric cipher like SHA & AES.

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