1 /* 2 * SHA256 hash implementation and interface functions 3 * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi> 4 * 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. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #ifndef SHA256_H 16 #define SHA256_H 17 18 #define SHA256_MAC_LEN 32 19 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); 26 27 #endif /* SHA256_H */ 28