2 * SHA256 hash implementation and interface functions
3 * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
18 #define SHA256_MAC_LEN 32
20 void hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
21 const u8 *addr[], const size_t *len, u8 *mac);
22 void hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
23 size_t data_len, u8 *mac);
24 void sha256_prf(const u8 *key, size_t key_len, const char *label,
25 const u8 *data, size_t data_len, u8 *buf, size_t buf_len);