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High Impact / Highly Pervasive - OpenSSL performance on P10


Risk classification

HIPER (high Impact and/or Pervasive)

Risk categories

Severe Performance Impact

Affected Domain

LPARs running OpenSSL on AIX 7.3 on Power10 in Power10 native processor mode


OpenSSL in AIX 7.3 on Power10 in Power10 native mode does not use hardware encryption acceleration


For LPARs running AIX 7.3 on Power10 in Power10 native processor mode, an issue has been identified with the AIX OpenSSL packages below where Power in-core crypto acceleration is not detected and used. This results in significantly degraded encryption performance.

Date first published

14 September 2022

[{"Risk Classification":"HIPER","Line of Business":{"code":"LOB08","label":"Cognitive Systems"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SWG10","label":"AIX"},"ARM Category":[],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.3.0"}]

Document Information

Modified date:
14 September 2022