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asymoff_presigning.h
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asymoff_presigning.h
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#ifndef __ASYMOFF_PRESIGNING_H__
#define __ASYMOFF_PRESIGNING_H__
#include "algebraic_elements.h"
#include "paillier_cryptosystem.h"
#include "ring_pedersen_parameters.h"
#include "zkp_common.h"
#include "zkp_range_el_gamal_commitment.h"
#include "zkp_el_gamal_dlog.h"
#include "asymoff_protocol.h"
typedef struct
{
// TODO: Commit/Reveal for B1/2?
gr_elem_t *B1;
gr_elem_t *B2;
scalar_t *Paillier_packed_K;
zkp_range_el_gamal_proof_t *phi_Rddh;
} asymoff_presigning_msg_round_1_t;
typedef struct
{
scalar_t *packed_C;
gr_elem_t *H;
// zkp_el_gamal_dlog_proof_t *phi_eph;
zkp_range_el_gamal_proof_t *phi_Rddh;
} asymoff_presigning_msg_round_2_t;
typedef struct {
scalar_t *alpha;
gr_elem_t *H;
scalar_t *Paillier_packed_C;
// zkp_el_gamal_dlog_proof_t *phi_eph;
zkp_range_el_gamal_proof_t **phi_Rddh;
} asymoff_presigning_data_offline_t;
typedef struct {
gr_elem_t *B1;
gr_elem_t *B2;
scalar_t *b;
scalar_t *k;
scalar_t *Paillier_packed_K;
scalar_t *nu;
zkp_range_el_gamal_proof_t **phi_Rddh;
} asymoff_presigning_data_online_t;
typedef struct
{
uint64_t i;
uint64_t num_parties;
uint64_t batch_size;
zkp_aux_info_t *aux;
ec_group_t ec;
gr_elem_t Y;
paillier_public_key_t **paillier_pub;
ring_pedersen_public_t **rped_pub;
asymoff_presigning_data_offline_t *offline;
asymoff_presigning_data_online_t *online;
// Array of in coming messages from other parties
asymoff_presigning_msg_round_1_t *in_msg_1;
asymoff_presigning_msg_round_2_t *in_msg_2;
} asymoff_presigning_data_t;
asymoff_presigning_data_t **
asymoff_presigning_parties_new(asymoff_party_data_t ** const parties, uint64_t batch_size);
void asymoff_presigning_parties_free(asymoff_presigning_data_t **parties);
int asymoff_presigning_execute_round_1(asymoff_presigning_data_t *party);
int asymoff_presigning_execute_round_2(asymoff_presigning_data_t *party);
int asymoff_presigning_execute_final (asymoff_presigning_data_t *party);
uint64_t asymoff_presigning_send_msg_1(asymoff_presigning_data_t *sender, asymoff_presigning_data_t *receiver);
uint64_t asymoff_presigning_send_msg_2(asymoff_presigning_data_t *sender, asymoff_presigning_data_t *receiver);
void asymoff_presigning_export_data(asymoff_party_data_t **parties, asymoff_presigning_data_t ** const presign_parties);
#endif