1) Login to below discoverer server using discoverer owner os user
2) Create the CSR using owm and save the wallet in the directory
3) import the certificate using owm and save the wallet
4)copy the cwallet.sso from the wallet directory(/export/home/appldscvr/discoverer_wallet) to below directory(it depend on your environment which directory you installed the discoverer)
/dscvr_appl/oracle/disco/Middleware/asinst_1/config/OHS/ohs1/keystores/default
/dscvr_appl/oracle/disco/Middleware/asinst_1/config/OPMN/opmn/wallet
5) Restart the Discoverer services