iwd/src/dpp-util.h

/*
 *
 *  Wireless daemon for Linux
 *
 *  Copyright (C) 2021  Intel Corporation. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
struct l_ecc_point;
struct l_ecc_scalar;

char *dpp_generate_uri(const uint8_t *asn1, size_t asn1_len, uint8_t version,
			const uint8_t *mac, const uint32_t *freqs,
			size_t freqs_len, const char *info, const char *host);

size_t dpp_nonce_len_from_key_len(size_t len);

bool dpp_hash(enum l_checksum_type type, uint8_t *out, unsigned int num, ...);

bool dpp_derive_r_auth(const void *i_nonce, const void *r_nonce,
				size_t nonce_len, struct l_ecc_point *i_proto,
				struct l_ecc_point *r_proto,
				struct l_ecc_point *r_boot,
				void *r_auth);
bool dpp_derive_i_auth(const void *r_nonce, const void *i_nonce,
				size_t nonce_len, struct l_ecc_point *r_proto,
				struct l_ecc_point *i_proto,
				struct l_ecc_point *r_boot, void *i_auth);
struct l_ecc_scalar *dpp_derive_k1(const struct l_ecc_point *i_proto_public,
				const struct l_ecc_scalar *boot_private,
				void *k1);
struct l_ecc_scalar *dpp_derive_k2(const struct l_ecc_point *i_proto_public,
				const struct l_ecc_scalar *proto_private,
				void *k2);
bool dpp_derive_ke(const uint8_t *i_nonce, const uint8_t *r_nonce,
				struct l_ecc_scalar *m, struct l_ecc_scalar *n,
				void *ke);