Study the code which SAP has given as part of the SAPSSOEXT package.
Develop the code relevant to business scenario.
Place them in the kernal folder with the help of SAP consultant.
Test the functionality and modify the code to achieve SSO between SAP
system and non-SAP system.
Already i am working this type project .i am interested in this project .we will review the code .let us discuss and provide the system access so that we can go through the code.
I have worked on Java with SAP Netweaver server and SAP Portal technology in multiple project for top clients. Also have experience in ABAP/BAPI/RFC and webservices.