SAP on Sysbase ASE uses the standard procedures for user management and authentication provided with SAP NetWeaver Application Server ABAP and Java.

ABAP:  http://help.sap.com NetWeaver <Release> Security Guide English SAP NetWeaver Security Guide Security Guides for AS ABAP

Java:  http://help.sap.com NetWeaver <Release> Security Guide English SAP NetWeaver Security Guide Security Guides for AS Java

For more information about special security procedures for SAP on Sybase ASE, refer to the Security Guide for Sybase Adaptive Server Enterprise:

 https://service.sap.com/instguides SAP NetWeaver SAP NetWeaver <Release> Operations Database-Specific Guides