7#ifndef SECP256K1_ECDSA_H
8#define SECP256K1_ECDSA_H
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_parse(secp256k1_scalar *r, secp256k1_scalar *s, const unsigned char *sig, size_t size)
static int secp256k1_ecdsa_sig_verify(const secp256k1_scalar *r, const secp256k1_scalar *s, const secp256k1_ge *pubkey, const secp256k1_scalar *message)
A group element in affine coordinates on the secp256k1 curve, or occasionally on an isomorphic curve ...
A scalar modulo the group order of the secp256k1 curve.