include/DIPE.h

   1 #include <stdio.h>
   2 #include <pbc/pbc.h>
   3
   4 extern "C" {
   5         typedef struct dipe_param* dipe_param_t;
   6         typedef struct dipe_master_publickey* dipe_master_publickey_t;
   7         typedef struct dipe_master_secretkey* dipe_master_secretkey_t;
   8         typedef struct dipe_secretkey* dipe_secretkey_t;
   9         typedef struct dipe_ctxt* dipe_ctxt_t;
  10
  11         void dipe_init(FILE* configfp, dipe_param_t* param);
  12         pairing_t* dipe_get_pairing(dipe_param_t param);
  13
  14         void dipe_master_keygen(dipe_param_t param, size_t dimension, dipe_master_publickey_t* pk, dipe_master_secretkey_t* sk);
  15         void dipe_keygen(dipe_param_t param, dipe_master_secretkey_t msk, const char* cid, element_t* y, dipe_secretkey_t* sk);
  16
  17         void dipe_encrypt(dipe_param_t param, size_t mpkcount, dipe_master_publickey_t* mpk, size_t threshold, element_t* x, size_t ptxt_len, char* ptxt, size_t ctxt_len, char* ctxt);
  18         size_t dipe_decrypt(dipe_param_t param, size_t skcount, dipe_secretkey_t* sk, size_t sharecount, const char* cid, element_t* y, size_t ctxt_len, char* ctxt, char* ptxt);
  19         size_t dipe_ciphertext_overhead(dipe_param_t param, size_t dimension, size_t shares);
  20
  21         void dipe_encap(dipe_param_t param, size_t mpkcount, dipe_master_publickey_t* mpk, size_t threshold, element_t* x,
  22                         element_t ptxt, dipe_ctxt_t* ctxt);
  23         void dipe_decap(dipe_param_t param, size_t skcount, dipe_secretkey_t* sk, const char* cid, element_t* y,
  24                         dipe_ctxt_t ctxt, element_t ptxt);
  25
  26         void dipe_ss_share(dipe_param_t param, size_t id_size, element_t* ids, size_t fid_size, element_t* fake_ids,
  27                            size_t share_size, element_t** shares, element_t* secret, element_t** dummy_shares);
  28         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);
  29
  30         size_t dipe_serialize_ctxt(dipe_param_t param, dipe_ctxt_t ctxt, uint8_t* buffer);
  31         size_t dipe_deserialize_ctxt(dipe_param_t param, size_t dimension, size_t shares, dipe_ctxt_t* ctxt, uint8_t* buffer);
  32
  33         void dipe_free_param(dipe_param_t param);
  34         void dipe_free_master_secretkey(dipe_master_secretkey_t sk);
  35         void dipe_free_master_publickey(dipe_master_publickey_t pk);
  36         void dipe_free_secretkey(dipe_secretkey_t sk);
  37         void dipe_free_ctxt(dipe_ctxt_t ctxt);
  38 }