void dipe_encap(dipe_param_t param, dipe_master_publickey_t mpk, element_t* x, element_t ptxt, dipe_ctxt_t* ctxt);
void dipe_decap(dipe_param_t param, dipe_secretkey_t sk, char* cid, element_t* y, dipe_ctxt_t ctxt, element_t ptxt);
+ 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);
+
size_t dipe_serialize_ctxt(dipe_param_t param, dipe_ctxt_t ctxt, uint8_t* buffer);
size_t dipe_deserialize_ctxt(dipe_param_t param, size_t dimension, dipe_ctxt_t* ctxt, uint8_t* buffer);