+ void dipe_ss_share(dipe_param_t param, size_t id_size, element_t* ids, size_t fid_size, element_t* fake_ids, size_t share_size, element_t** shares,
+ element_t* secret, element_t** dummy_shares);
+ void dipe_ss_recover(dipe_param_t param, size_t id_size, element_t* ids, size_t share_size, element_t** shares, element_t* secret);
+