secp256k1-zkp/src/precomputed_ecmult.h

/*****************************************************************************************************
 * Copyright (c) 2013, 2014, 2017, 2021 Pieter Wuille, Andrew Poelstra, Jonas Nick, Russell O'Connor *
 * Distributed under the MIT software license, see the accompanying                                  *
 * file COPYING or https://www.opensource.org/licenses/mit-license.php.                              *
 *****************************************************************************************************/

#ifndef SECP256K1_PRECOMPUTED_ECMULT_H
#define SECP256K1_PRECOMPUTED_ECMULT_H

#ifdef __cplusplus
extern "C" {
#endif

#include "ecmult.h"
#include "group.h"
#if defined(EXHAUSTIVE_TEST_ORDER)
#    if EXHAUSTIVE_TEST_ORDER == 7
#        define WINDOW_G 3
#    elif EXHAUSTIVE_TEST_ORDER == 13
#        define WINDOW_G 4
#    elif EXHAUSTIVE_TEST_ORDER == 199
#        define WINDOW_G 8
#    else
#        error No known generator for the specified exhaustive test group order.
#    endif
static secp256k1_ge_storage secp256k1_pre_g[ECMULT_TABLE_SIZE(WINDOW_G)];
static secp256k1_ge_storage secp256k1_pre_g_128[ECMULT_TABLE_SIZE(WINDOW_G)];
#else /* !defined(EXHAUSTIVE_TEST_ORDER) */
#    define WINDOW_G ECMULT_WINDOW_SIZE
extern const secp256k1_ge_storage secp256k1_pre_g[ECMULT_TABLE_SIZE(WINDOW_G)];
extern const secp256k1_ge_storage secp256k1_pre_g_128[ECMULT_TABLE_SIZE(WINDOW_G)];
#endif /* defined(EXHAUSTIVE_TEST_ORDER) */

#ifdef __cplusplus
}
#endif

#endif /* SECP256K1_PRECOMPUTED_ECMULT_H */
Split off .c file from precomputed_ecmult.h 2021-12-17 14:21:38 -05:00			`/*****************************************************************************************************`
			`* Copyright (c) 2013, 2014, 2017, 2021 Pieter Wuille, Andrew Poelstra, Jonas Nick, Russell O'Connor *`
			`* Distributed under the MIT software license, see the accompanying *`
			`* file COPYING or https://www.opensource.org/licenses/mit-license.php. *`
			`*****************************************************************************************************/`

Rename ecmult_static_pre_g -> precomputed_ecmult 2021-12-17 11:28:48 -05:00			`#ifndef SECP256K1_PRECOMPUTED_ECMULT_H`
			`#define SECP256K1_PRECOMPUTED_ECMULT_H`
Cleanup preprocessor indentation in precompute{,d}_ecmult{,_gen} 2021-12-17 14:34:15 -05:00
Fix c++ build 2021-12-17 15:43:50 -05:00			`#ifdef __cplusplus`
			`extern "C" {`
			`#endif`

Drop no longer needed `#include "../include/secp256k1.h"` The removed header includes have not been needed since PR1231. 2023-06-06 09:07:36 +01:00			`#include "ecmult.h"`
Generate ecmult_static_pre_g.h This header contains a static array that replaces the ecmult_context pre_g and pre_g_128 tables. The gen_ecmult_static_pre_g program generates this header file. 2021-06-28 16:33:03 -04:00			`#include "group.h"`
			`#if defined(EXHAUSTIVE_TEST_ORDER)`
Switch to exhaustive groups with small B coefficient 2023-01-10 16:10:45 -05:00			`# if EXHAUSTIVE_TEST_ORDER == 7`
			`# define WINDOW_G 3`
			`# elif EXHAUSTIVE_TEST_ORDER == 13`
Cleanup preprocessor indentation in precompute{,d}_ecmult{,_gen} 2021-12-17 14:34:15 -05:00			`# define WINDOW_G 4`
			`# elif EXHAUSTIVE_TEST_ORDER == 199`
			`# define WINDOW_G 8`
			`# else`
			`# error No known generator for the specified exhaustive test group order.`
			`# endif`
Compute ecmult tables at runtime for tests_exhaustive 2021-12-17 12:07:42 -05:00			`static secp256k1_ge_storage secp256k1_pre_g[ECMULT_TABLE_SIZE(WINDOW_G)];`
			`static secp256k1_ge_storage secp256k1_pre_g_128[ECMULT_TABLE_SIZE(WINDOW_G)];`
Generate ecmult_static_pre_g.h This header contains a static array that replaces the ecmult_context pre_g and pre_g_128 tables. The gen_ecmult_static_pre_g program generates this header file. 2021-06-28 16:33:03 -04:00			`#else /* !defined(EXHAUSTIVE_TEST_ORDER) */`
Cleanup preprocessor indentation in precompute{,d}_ecmult{,_gen} 2021-12-17 14:34:15 -05:00			`# define WINDOW_G ECMULT_WINDOW_SIZE`
Split off .c file from precomputed_ecmult.h 2021-12-17 14:21:38 -05:00			`extern const secp256k1_ge_storage secp256k1_pre_g[ECMULT_TABLE_SIZE(WINDOW_G)];`
			`extern const secp256k1_ge_storage secp256k1_pre_g_128[ECMULT_TABLE_SIZE(WINDOW_G)];`
Compute ecmult tables at runtime for tests_exhaustive 2021-12-17 12:07:42 -05:00			`#endif /* defined(EXHAUSTIVE_TEST_ORDER) */`
Cleanup preprocessor indentation in precompute{,d}_ecmult{,_gen} 2021-12-17 14:34:15 -05:00
Fix c++ build 2021-12-17 15:43:50 -05:00			`#ifdef __cplusplus`
			`}`
			`#endif`

Rename ecmult_static_pre_g -> precomputed_ecmult 2021-12-17 11:28:48 -05:00			`#endif /* SECP256K1_PRECOMPUTED_ECMULT_H */`