void dipe_master_keygen(dipe_param_t param, size_t dimension, dipe_master_publickey_t* pk, dipe_master_secretkey_t* sk);
void dipe_keygen(dipe_param_t param, dipe_master_secretkey_t msk, char* cid, element_t* y, dipe_secretkey_t* sk);
- void dipe_encrypt(dipe_param_t param, dipe_master_publickey_t mpk, element_t* x, element_t ptxt, dipe_ctxt_t* ctxt);
- void dipe_decrypt(dipe_param_t param, dipe_secretkey_t sk, char* cid, element_t* y, dipe_ctxt_t ctxt, element_t ptxt);
+ void dipe_encrypt(dipe_param_t param, dipe_master_publickey_t mpk, element_t* x, size_t ptxt_len, char* ptxt, size_t ctxt_len, char* ctxt);
+ size_t dipe_decrypt(dipe_param_t param, dipe_secretkey_t sk, char* cid, element_t* y, size_t ctxt_len, char* ctxt, char* ptxt);
+ size_t dipe_ciphertext_overhead(dipe_param_t param, size_t dimension);
+ 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);
+
void dipe_free_param(dipe_param_t param);
void dipe_free_master_secretkey(dipe_master_secretkey_t sk);
void dipe_free_master_publickey(dipe_master_publickey_t pk);