FC_DigestFinal - finish a multi-part digest operation.
CK_RV FC_DigestFinal( CK_SESSION_HANDLE hSession, CK_BYTE_PTR pDigest, CK_ULONG_PTR pulDigestLen );
hSessionpDigestpulDigestLenFC_DigestFinal finishes a multi-part digest operation by returning the complete digest and clearing the operation context. If pDigest is NULL the length of the digest is returned and FC_DigestFinal may be called again with pDigest set to retrieve the digest.
A user may call FC_DigestFinal without logging into the token (to assume the NSS User role).