OVMS3-idf/components/wpa_supplicant/src/crypto/sha256.h
Sagar Bijwe aceb141d2b wpa_supplicant: Adding SAE modules with testcase
This change ports SAE(Simultaneous Authentication of Equals)
feature from wpa_supplicant and makes it work with mbedtls
crypto APIs. Currently only group 19 is supported. A sample
SAE handshake is included in the testcase. Other minor
changes for DH groups are also included.
2019-11-26 04:24:57 +00:00

30 lines
1,022 B
C

/*
* SHA256 hash implementation and interface functions
* Copyright (c) 2003-2006, 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 SHA256_H
#define SHA256_H
#define SHA256_MAC_LEN 32
int hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *mac);
void hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
size_t data_len, u8 *mac);
int sha256_prf(const u8 *key, size_t key_len, const char *label,
const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
int sha256_prf_bits(const u8 *key, size_t key_len, const char *label,
const u8 *data, size_t data_len, u8 *buf,
size_t buf_len_bits);
#endif /* SHA256_H */