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32 lines
967 B
C
32 lines
967 B
C
/*
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* Shared Dragonfly functionality
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* Copyright (c) 2012-2016, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2019, The Linux Foundation
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef DRAGONFLY_H
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#define DRAGONFLY_H
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#define DRAGONFLY_MAX_ECC_PRIME_LEN 66
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struct crypto_bignum;
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struct crypto_ec;
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int dragonfly_suitable_group(int group, int ecc_only);
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unsigned int dragonfly_min_pwe_loop_iter(int group);
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int dragonfly_get_random_qr_qnr(const struct crypto_bignum *prime,
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struct crypto_bignum **qr,
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struct crypto_bignum **qnr);
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int dragonfly_is_quadratic_residue_blind(struct crypto_ec *ec,
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const atbm_uint8 *qr, const atbm_uint8 *qnr,
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const struct crypto_bignum *val);
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int dragonfly_generate_scalar(const struct crypto_bignum *order,
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struct crypto_bignum *_rand,
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struct crypto_bignum *_mask,
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struct crypto_bignum *scalar);
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#endif /* DRAGONFLY_H */
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