Need to Implemant Digital signature in SAP CLM fro contarct document

Hi,

Could some one help me out for the the configuartion of digital siganture in SAP CLM.

I have gone throughe some SCN post like Electronic signatures for contract documents in SAP CLM

But I could understand only the befit and process but ant able to get the proper step wise solution to configure from scratch.

Please some one help me which is the requirement for our project.

Thanks

Peeyush Ranjan