ISIS.h

// Copyright 2025 Fondazione LINKS

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef BLNS_ISIS_H
#define BLNS_ISIS_H

#include <sstream>

#include "params.h"
#include "LHC.h"
#include "Hash.h"
#include "Squares.h"
#include "Issuer.h"


typedef struct
{
    vec_zz_pX       t_A, t_y, t_g, w;    
    vec_ZZ          z_3;
    vec_zz_pX       h;
    zz_pX           t, f0;
    vec_ZZX         z_1, z_2;
    long            valid;
} PROOF_I_t;


void Preprocessing_ISIS(vec_ZZ& s1, vec_ZZ& r1, const vec_ZZ& s0, const ZZ& B_goth_s2, const vec_ZZ& r0, const ZZ& B_goth_r2);
void Prove_ISIS(PROOF_I_t& Pi, const string& inputStr, const CRS_t& crs, const IPK_t& ipk, const mat_ZZ& P0, const mat_ZZ& C0, const vec_zz_p& mex, const mat_ZZ& B0, const vec_ZZ& Bounds, const ZZ& aux, const Vec<vec_ZZ>& w0);
long Verify_ISIS(const string& inputStr, const CRS_t& crs, const IPK_t& ipk, const mat_ZZ& P0, const mat_ZZ& C0, const vec_zz_p& mex, const mat_ZZ& B0, const vec_ZZ& Bounds, const ZZ& aux, const PROOF_I_t& Pi );

#endif