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1 /*
2  * SHA1 hash implementation and interface functions
3  * Copyright (c) 2003-2005, 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 SHA1_H
16 #define SHA1_H
17 
18 #define SHA1_MAC_LEN 20
19 
20 void hmac_sha1_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_sha1(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
23 	       u8 *mac);
24 void sha1_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 void sha1_t_prf(const u8 *key, size_t key_len, const char *label,
27 		const u8 *seed, size_t seed_len, u8 *buf, size_t buf_len);
28 int tls_prf(const u8 *secret, size_t secret_len, const char *label,
29 	    const u8 *seed, size_t seed_len, u8 *out, size_t outlen);
30 void pbkdf2_sha1(const char *passphrase, const char *ssid, size_t ssid_len,
31 		 int iterations, u8 *buf, size_t buflen);
32 
33 #ifdef CONFIG_CRYPTO_INTERNAL
34 struct SHA1Context;
35 
36 void SHA1Init(struct SHA1Context *context);
37 void SHA1Update(struct SHA1Context *context, const void *data, u32 len);
38 void SHA1Final(unsigned char digest[20], struct SHA1Context *context);
39 #endif /* CONFIG_CRYPTO_INTERNAL */
40 
41 #endif /* SHA1_H */
42