hostap/src/common/dragonfly.h

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/*
* Shared Dragonfly functionality
* Copyright (c) 2012-2016, Jouni Malinen <j@w1.fi>
* Copyright (c) 2019, The Linux Foundation
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef DRAGONFLY_H
#define DRAGONFLY_H
#define DRAGONFLY_MAX_ECC_PRIME_LEN 66
struct crypto_bignum;
struct crypto_ec;
int dragonfly_suitable_group(int group, int ecc_only);
int dragonfly_get_random_qr_qnr(const struct crypto_bignum *prime,
struct crypto_bignum **qr,
struct crypto_bignum **qnr);
int dragonfly_is_quadratic_residue_blind(struct crypto_ec *ec,
const u8 *qr, const u8 *qnr,
const struct crypto_bignum *val);
int dragonfly_generate_scalar(const struct crypto_bignum *order,
struct crypto_bignum *_rand,
struct crypto_bignum *_mask,
struct crypto_bignum *scalar);
#endif /* DRAGONFLY_H */