Solution : https://service.sap.com/sap/support/notes/1581170 (SAP Service marketplace login required)
Key words : 
platform ibm require special rights, statically-assigned 'adopted authority', statically assigning special rights, dynamically assigning special rights, require 'adopted authority', special rights due, special rights requires, dynamic special rights, rsa key pair, rsa key pair -
Related Notes : 
       
| 1576921 | IBM i: Support of a signature of ILE objects | 
| 1031096 | Installing Package SAPHOSTAGENT |