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/*
Copyright (C) 2019-Present SKALE Labs
This file is part of sgxwallet.
sgxwallet is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
sgxwallet is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with sgxwallet. If not, see <https://www.gnu.org/licenses/>.
@file DKGCrypto.h
@author Stan Kladko
@date 2019
*/
#ifndef SGXD_DKGCRYPTO_H
#define SGXD_DKGCRYPTO_H
#include <string>
#include <vector>
#include <libff/algebra/curves/alt_bn128/alt_bn128_pp.hpp>
using namespace std;
string gen_dkg_poly( int _t);
vector <vector<string>> get_verif_vect(const string& encryptedPolyHex, int t);
vector <vector<string>> getVerificationVectorMult(const std::string& encryptedPolyHex, int t, int n, size_t ind);
vector<string> splitString(const char* coeffs, const char symbol);
string getSecretShares(const string& _polyName, const char* _encryptedPolyHex, const vector<string>& _publicKeys, int _t, int _n);
string getSecretSharesV2(const string& _polyName, const char* _encryptedPolyHex, const vector<string>& _publicKeys, int _t, int _n);
bool verifyShares(const char* publicShares, const char* encr_sshare, const char * encryptedKeyHex, int t, int n, int ind);
bool verifySharesV2(const char* publicShares, const char* encr_sshare, const char * encryptedKeyHex, int t, int n, int ind);
string decryptDHKey(const string& polyName, int ind);
bool createBLSShare( const string& blsKeyName, const char * s_shares, const char * encryptedKeyHex);
bool createBLSShareV2( const string& blsKeyName, const char * s_shares, const char * encryptedKeyHex);
vector<string> getBLSPubKey(const char * encryptedKeyHex);
vector<string> mult_G2(const string& x);
string convertHexToDec(const string& hex_str);
string convertG2ToString(const libff::alt_bn128_G2& elem, int base = 10, const string& delim = ":");
vector<string> calculateAllBlsPublicKeys(const vector<string>& public_shares);
bool testCreateBLSShare( const char * s_shares);
#endif //SGXD_DKGCRYPTO_H