CK_RV FC_SignFinal( CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignature, CK_ULONG_PTR pusSignatureLen );
[in] session handle.
[out] pointer to the buffer which will receive the digest or NULL.
[in, out] pointer to location containing the maximum buffer size.
FC_SignFinal finishes a multi-part signing operation by returning the complete signature and
clearing the operation context. If
pSignature is NULL the length of the signature is returned
FC_SignFinal may be called again with
pSignature set to retrieve the signature.
A user must log into the token (to assume the NSS User role) before calling