OVMS3-idf/components/wpa_supplicant/src/tls/bignum.h
Deng Xin c139683024 supplicant/esp_wifi: move supplicant to idf
Move supplicant to idf and do following refactoring:
1. Make the folder structure consitent with supplicant upstream
2. Remove duplicated header files and minimize the public header files
3. Refactor for WiFi/supplicant interfaces
2019-06-29 22:46:52 +08:00

38 lines
1.3 KiB
C

/*
* Big number math
* Copyright (c) 2006, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef BIGNUM_H
#define BIGNUM_H
struct bignum;
struct bignum * bignum_init(void);
void bignum_deinit(struct bignum *n);
size_t bignum_get_unsigned_bin_len(struct bignum *n);
int bignum_get_unsigned_bin(const struct bignum *n, u8 *buf, size_t *len);
int bignum_set_unsigned_bin(struct bignum *n, const u8 *buf, size_t len);
int bignum_cmp(const struct bignum *a, const struct bignum *b);
int bignum_cmp_d(const struct bignum *a, unsigned long b);
int bignum_add(const struct bignum *a, const struct bignum *b,
struct bignum *c);
int bignum_sub(const struct bignum *a, const struct bignum *b,
struct bignum *c);
int bignum_mul(const struct bignum *a, const struct bignum *b,
struct bignum *c);
int bignum_mulmod(const struct bignum *a, const struct bignum *b,
const struct bignum *c, struct bignum *d);
int bignum_exptmod(const struct bignum *a, const struct bignum *b,
const struct bignum *c, struct bignum *d);
#endif /* BIGNUM_H */