freebsd-dev/contrib/wpa_supplicant/sha1.h
2007-07-11 15:48:36 +00:00

42 lines
1.5 KiB
C

/*
* SHA1 hash implementation and interface functions
* Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef SHA1_H
#define SHA1_H
#define SHA1_MAC_LEN 20
void hmac_sha1_vector(const u8 *key, size_t key_len, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *mac);
void hmac_sha1(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
u8 *mac);
void sha1_prf(const u8 *key, size_t key_len, const char *label,
const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
void sha1_t_prf(const u8 *key, size_t key_len, const char *label,
const u8 *seed, size_t seed_len, u8 *buf, size_t buf_len);
int tls_prf(const u8 *secret, size_t secret_len, const char *label,
const u8 *seed, size_t seed_len, u8 *out, size_t outlen);
void pbkdf2_sha1(const char *passphrase, const char *ssid, size_t ssid_len,
int iterations, u8 *buf, size_t buflen);
#ifdef CONFIG_CRYPTO_INTERNAL
struct SHA1Context;
void SHA1Init(struct SHA1Context *context);
void SHA1Update(struct SHA1Context *context, const void *data, u32 len);
void SHA1Final(unsigned char digest[20], struct SHA1Context *context);
#endif /* CONFIG_CRYPTO_INTERNAL */
#endif /* SHA1_H */