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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