/usr/include/wolfssl/wolfcrypt/wolfmath.h is in libwolfssl-dev 3.13.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | /* wolfmath.h
*
* Copyright (C) 2006-2017 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#if defined(HAVE_WOLF_BIGINT) && !defined(WOLF_BIGINT_DEFINED)
/* raw big integer */
typedef struct WC_BIGINT {
byte* buf;
word32 len;
void* heap;
} WC_BIGINT;
#define WOLF_BIGINT_DEFINED
#endif
/* only define functions if mp_int has been declared */
#ifdef MP_INT_DEFINED
#ifndef __WOLFMATH_H__
#define __WOLFMATH_H__
/* timing resistance array */
#if !defined(WC_NO_CACHE_RESISTANT) && \
((defined(HAVE_ECC) && defined(ECC_TIMING_RESISTANT)) || \
(defined(USE_FAST_MATH) && defined(TFM_TIMING_RESISTANT)))
extern const wolfssl_word wc_off_on_addr[2];
#endif
/* common math functions */
int get_digit_count(mp_int* a);
mp_digit get_digit(mp_int* a, int n);
int get_rand_digit(WC_RNG* rng, mp_digit* d);
int mp_rand(mp_int* a, int digits, WC_RNG* rng);
#ifdef HAVE_WOLF_BIGINT
void wc_bigint_init(WC_BIGINT* a);
int wc_bigint_alloc(WC_BIGINT* a, word32 sz);
int wc_bigint_from_unsigned_bin(WC_BIGINT* a, const byte* in, word32 inlen);
int wc_bigint_to_unsigned_bin(WC_BIGINT* a, byte* out, word32* outlen);
void wc_bigint_zero(WC_BIGINT* a);
void wc_bigint_free(WC_BIGINT* a);
int wc_mp_to_bigint(mp_int* src, WC_BIGINT* dst);
int wc_bigint_to_mp(WC_BIGINT* src, mp_int* dst);
#endif /* HAVE_WOLF_BIGINT */
#endif /* __WOLFMATH_H__ */
#endif /* MP_INT_DEFINED */
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