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81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
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This file is part of the Keyhunt distribution (https://github.com/albertobsd/keyhunt).
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Copyright (c) 2020 Luis Alberto
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef SECP256K1H
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#define SECP256K1H
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#include "Point.h"
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#include <vector>
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// Address type
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#define P2PKH 0
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#define P2SH 1
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#define BECH32 2
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class Secp256K1 {
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public:
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Secp256K1();
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~Secp256K1();
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void Init();
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Point ComputePublicKey(Int *privKey);
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Point Add(Point &p1, Point &p2);
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Point Add2(Point &p1, Point &p2);
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Point NextKey(Point &key);
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bool EC(Point &p);
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void GetHash160_fromX(int type,unsigned char prefix,
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Int *k0,Int *k1,Int *k2,Int *k3,
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uint8_t *h0,uint8_t *h1,uint8_t *h2,uint8_t *h3);
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bool ParsePublicKeyHex(char *str,Point &p,bool &isCompressed);
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Point ScalarMultiplication(Point &P,Int *scalar);
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char* GetPublicKeyHex(bool compressed, Point &p);
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void GetPublicKeyHex(bool compressed, Point &pubKey,char *dst);
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char* GetPublicKeyRaw(bool compressed, Point &p);
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void GetPublicKeyRaw(bool compressed, Point &pubKey,char *dst);
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void GetHash160(int type,bool compressed, Point &pubKey, unsigned char *hash);
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void GetHash160(int type,bool compressed,
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Point &k0, Point &k1, Point &k2, Point &k3,
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uint8_t *h0, uint8_t *h1, uint8_t *h2, uint8_t *h3);
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Point Negation(Point &p);
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Point Double(Point &p);
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Point DoubleDirect(Point &p);
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Point AddDirect(Point &p1, Point &p2);
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Point G; // Generator
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Int P; // Prime for the finite field
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Int order; // Curve order
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private:
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uint8_t GetByte(char *str,int idx);
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Int GetY(Int x, bool isEven);
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Point GTable[256*32]; // Generator table
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};
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#endif // SECP256K1H
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