Use pread/pwrite instead of lseek followed by read/write.
[dragonfly.git] / contrib / hostapd-0.5.8 / sha1.h
blob97affa1a620dbe9e64eda6222a9a55aeac007270
1 /*
2 * SHA1 hash implementation and interface functions
3 * Copyright (c) 2003-2005, 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
10 * license.
12 * See README and COPYING for more details.
15 #ifndef SHA1_H
16 #define SHA1_H
18 #define SHA1_MAC_LEN 20
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);
33 #ifdef CONFIG_CRYPTO_INTERNAL
34 struct SHA1Context;
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 */
41 #endif /* SHA1_H */