** Also affects: libica (Ubuntu Xenial)
Importance: Undecided
Status: New
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1608954
Title:
Performance degradation caused by libica2 library
Status in Ubuntu on IBM z Systems:
In Progress
Status in libica package in Ubuntu:
Fix Released
Status in libica source package in Xenial:
New
Bug description:
== Comment: #0 - Bastian Pfeifer <[email protected]> - 2016-07-29
09:07:47 ==
---Problem Description---
'Libica' library versions >= 2.6.0 implement a new DRBG (Deterministic Random
Number Generator) with a unnecessary stiff reseed limit leading to performance
degradation (factor >20) for RSA encryption via opencryptoki.
A patch is already upstream and can be found under this commit:
https://sourceforge.net/p/opencryptoki/libica/ci/3bcd3efb0aff364515ab9b3c39dd68fbbb1534d0/
It will fix the issue + we will get a great performance improvement
for the RSA encryption via opencryptoki's ICA-TOKEN.
Contact Information = [email protected]
---uname output---
Linux s42lp26 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:14:29 UTC 2016
s390x s390x s390x GNU/Linux
Machine Type = 2964, 701
---Debugger---
A debugger is not configured
---Steps to Reproduce---
na
Userspace tool common name: libica version 2.6.1
The userspace tool has the following bit modes: 64-bit
Userspace rpm: libica2:s390x
Userspace tool obtained from project website: na
*Additional Instructions for [email protected]:
-Attach ltrace and strace of userspace application.
== Comment: #2 - Ingo Tuchscherer <[email protected]> -
2016-08-01 06:53:45 ==
== Comment: #3 - Heinz-Werner Seeck <[email protected]> -
2016-08-02 08:19:23 ==
'Libica' library versions >= 2.6.0 implement a new DRBG (Deterministic Random
Number Generator) with a unnecessary stiff reseed limit leading to performance
degradation (factor >20) for RSA encryption via opencryptoki.
A patch is already upstream and can be found under this commit:
https://sourceforge.net/p/opencryptoki/libica/ci/3bcd3efb0aff364515ab9b3c39dd68fbbb1534d0/
Also attached to this bugzilla !
It will fix the issue + we will get a great performance improvement
for the RSA encryption via opencryptoki's ICA-TOKEN.
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