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
20void hmac_sha1_vector(const u8 *key, size_t key_len, size_t num_elem,
21		      const u8 *addr[], const size_t *len, u8 *mac);
22void hmac_sha1(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
23	       u8 *mac);
24void 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);
26void 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);
28int __must_check tls_prf(const u8 *secret, size_t secret_len,
29			 const char *label, const u8 *seed, size_t seed_len,
30			 u8 *out, size_t outlen);
31void pbkdf2_sha1(const char *passphrase, const char *ssid, size_t ssid_len,
32		 int iterations, u8 *buf, size_t buflen);
33
34#ifdef CONFIG_CRYPTO_INTERNAL
35struct SHA1Context;
36
37void SHA1Init(struct SHA1Context *context);
38void SHA1Update(struct SHA1Context *context, const void *data, u32 len);
39void SHA1Final(unsigned char digest[20], struct SHA1Context *context);
40#endif /* CONFIG_CRYPTO_INTERNAL */
41
42#endif /* SHA1_H */
43