Bitcoin ABC 0.26.3
P2P Digital Currency
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ecdsa.h
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1/***********************************************************************
2 * Copyright (c) 2013, 2014 Pieter Wuille *
3 * Distributed under the MIT software license, see the accompanying *
4 * file COPYING or https://www.opensource.org/licenses/mit-license.php.*
5 ***********************************************************************/
6
7#ifndef SECP256K1_ECDSA_H
8#define SECP256K1_ECDSA_H
9
10#include <stddef.h>
11
12#include "scalar.h"
13#include "group.h"
14#include "ecmult.h"
15
16static int secp256k1_ecdsa_sig_parse(secp256k1_scalar *r, secp256k1_scalar *s, const unsigned char *sig, size_t size);
17static int secp256k1_ecdsa_sig_serialize(unsigned char *sig, size_t *size, const secp256k1_scalar *r, const secp256k1_scalar *s);
20
21#endif /* SECP256K1_ECDSA_H */
secp256k1_context * ctx
static int secp256k1_ecdsa_sig_serialize(unsigned char *sig, size_t *size, const secp256k1_scalar *r, const secp256k1_scalar *s)
static int secp256k1_ecdsa_sig_sign(const secp256k1_ecmult_gen_context *ctx, secp256k1_scalar *r, secp256k1_scalar *s, const secp256k1_scalar *seckey, const secp256k1_scalar *message, const secp256k1_scalar *nonce, int *recid)
static int secp256k1_ecdsa_sig_verify(const secp256k1_ecmult_context *ctx, const secp256k1_scalar *r, const secp256k1_scalar *s, const secp256k1_ge *pubkey, const secp256k1_scalar *message)
static int secp256k1_ecdsa_sig_parse(secp256k1_scalar *r, secp256k1_scalar *s, const unsigned char *sig, size_t size)
SchnorrSig sig
T GetRand(T nMax=std::numeric_limits< T >::max()) noexcept
Generate a uniform random integer of type T in the range [0..nMax) nMax defaults to std::numeric_limi...
Definition random.h:85
A group element of the secp256k1 curve, in affine coordinates.
Definition group.h:13
A scalar modulo the group order of the secp256k1 curve.
Definition scalar_4x64.h:13