writing own CSP - do I have to implement all entry points?

From: Alain (a-helfenstein_at_bluewin.ch)
Date: 04/29/04 

Date: 29 Apr 2004 06:06:59 -0700

hi,

I'm implementing a smartcard csp.
I found out, that some entrys (CPGenRandom, CPEncrypt, ...) are never used.

Do I have to implement them (caling another CSP(MS Base CSP)),
or can I return an error ERROR_CALL_NOT_IMPLEMENTED?

Thanks for your answer,

alain.