| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Big number math |
| 3 | * Copyright (c) 2006, Jouni Malinen <j@w1.fi> |
| 4 | * |
| 5 | * This software may be distributed under the terms of the BSD license. |
| 6 | * See README for more details. |
| 7 | */ |
| 8 | |
| 9 | #ifndef BIGNUM_H |
| 10 | #define BIGNUM_H |
| 11 | |
| 12 | struct bignum; |
| 13 | |
| 14 | struct bignum * bignum_init(void); |
| 15 | void bignum_deinit(struct bignum *n); |
| 16 | size_t bignum_get_unsigned_bin_len(struct bignum *n); |
| 17 | int bignum_get_unsigned_bin(const struct bignum *n, u8 *buf, size_t *len); |
| 18 | int bignum_set_unsigned_bin(struct bignum *n, const u8 *buf, size_t len); |
| 19 | int bignum_cmp(const struct bignum *a, const struct bignum *b); |
| 20 | int bignum_cmp_d(const struct bignum *a, unsigned long b); |
| 21 | int bignum_add(const struct bignum *a, const struct bignum *b, |
| 22 | struct bignum *c); |
| 23 | int bignum_sub(const struct bignum *a, const struct bignum *b, |
| 24 | struct bignum *c); |
| 25 | int bignum_mul(const struct bignum *a, const struct bignum *b, |
| 26 | struct bignum *c); |
| 27 | int bignum_mulmod(const struct bignum *a, const struct bignum *b, |
| 28 | const struct bignum *c, struct bignum *d); |
| 29 | int bignum_exptmod(const struct bignum *a, const struct bignum *b, |
| 30 | const struct bignum *c, struct bignum *d); |
| 31 | |
| 32 | #endif /* BIGNUM_H */ |