Fabcoin Core  0.16.2
P2P Digital Currency
eckey.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 http://www.opensource.org/licenses/mit-license.php.*
5  **********************************************************************/
6 
7 #ifndef SECP256K1_ECKEY_H
8 #define SECP256K1_ECKEY_H
9 
10 #include <stddef.h>
11 
12 #include "group.h"
13 #include "scalar.h"
14 #include "ecmult.h"
15 #include "ecmult_gen.h"
16 
17 static int secp256k1_eckey_pubkey_parse(secp256k1_ge *elem, const unsigned char *pub, size_t size);
18 static int secp256k1_eckey_pubkey_serialize(secp256k1_ge *elem, unsigned char *pub, size_t *size, int compressed);
19 
20 static int secp256k1_eckey_privkey_tweak_add(secp256k1_scalar *key, const secp256k1_scalar *tweak);
21 static int secp256k1_eckey_pubkey_tweak_add(const secp256k1_ecmult_context *ctx, secp256k1_ge *key, const secp256k1_scalar *tweak);
22 static int secp256k1_eckey_privkey_tweak_mul(secp256k1_scalar *key, const secp256k1_scalar *tweak);
23 static int secp256k1_eckey_pubkey_tweak_mul(const secp256k1_ecmult_context *ctx, secp256k1_ge *key, const secp256k1_scalar *tweak);
24 
25 #endif /* SECP256K1_ECKEY_H */
A group element of the secp256k1 curve, in affine coordinates.
Definition: group.h:14
A scalar modulo the group order of the secp256k1 curve.
Definition: scalar_4x64.h:13
uint8_t const size_t const size
Definition: sha3.h:20