Oracle 10g - 12c upgrade, but TDE wallet issues

Hi,

  I'm trying to upgrade a 10g database to 12c.  Best way i've learnt to do this is export/import.  Trick with this current database is that it has a wallet.  I know the password, i can open/close the wallet in the 10g database.  I've copied over the sqlnet.ora to the new 12c $TNS_ADMIN directory.  I'm using that listener.ora now for the listener.  My local_listener parameter is set.  querying v$encryption_wallet shows that the 12c container database sees the wallet directory in the sqlnet.ora file.

 

... in other words, everything looks GREAT!

 

except i can't open the dang wallet to have the import run properly.  I've used multiple syntax, old ones from 10g and 11g.  Plus a new one i've learnt from 12c documents.  Any one have any suggestions?  OWM never seems to work for me in any version.  NOt sure if that's a/the problem.

 

ALTER SYSTEM SET ENCRYPTION KEY AUTHENTICATED BY 

ALTER SYSTEM SET ENCRYPTION WALLET OPEN IDENTIFIED BY 

 

plus, 

 

ADMINISTER KEY MANAGEMENT SET KEYSTORE OPEN IDENTIFIED BY software_keystore_password [CONTAINER = ALL | CURRENT];