FC_DecryptFinal - finish a multi-part decryption operation.
CK_RV FC_DecryptFinal( CK_SESSION_HANDLE hSession, CK_BYTE_PTR pLastPart, CK_ULONG_PTR pusLastPartLen );
hSessionpLastPartpusLastPartLenFC_DecryptFinal returns the last block of data of a multi-part decryption operation.
A user must log into the token (to assume the NSS User role) before calling FC_DecryptFinal.