1189251Ssam/*
2189251Ssam * SHA256 hash implementation and interface functions
3281806Srpaulo * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
4189251Ssam *
5252726Srpaulo * This software may be distributed under the terms of the BSD license.
6252726Srpaulo * See README for more details.
7189251Ssam */
8189251Ssam
9189251Ssam#ifndef SHA256_H
10189251Ssam#define SHA256_H
11189251Ssam
12189251Ssam#define SHA256_MAC_LEN 32
13189251Ssam
14252726Srpauloint hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
15252726Srpaulo		       const u8 *addr[], const size_t *len, u8 *mac);
16252726Srpauloint hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
17252726Srpaulo		size_t data_len, u8 *mac);
18189251Ssamvoid sha256_prf(const u8 *key, size_t key_len, const char *label,
19189251Ssam	      const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
20281806Srpaulovoid sha256_prf_bits(const u8 *key, size_t key_len, const char *label,
21281806Srpaulo		     const u8 *data, size_t data_len, u8 *buf,
22281806Srpaulo		     size_t buf_len_bits);
23252726Srpaulovoid tls_prf_sha256(const u8 *secret, size_t secret_len,
24252726Srpaulo		    const char *label, const u8 *seed, size_t seed_len,
25252726Srpaulo		    u8 *out, size_t outlen);
26281806Srpauloint hmac_sha256_kdf(const u8 *secret, size_t secret_len,
27281806Srpaulo		    const char *label, const u8 *seed, size_t seed_len,
28281806Srpaulo		    u8 *out, size_t outlen);
29189251Ssam
30189251Ssam#endif /* SHA256_H */
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