sha256.h

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/*
 * SHA256 hash implementation and interface functions
 * Copyright (c) 2003-2011, 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 SHA256_H
#define SHA256_H
 
#define SHA256_MAC_LEN 32
 
void hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
                      const u8 *addr[], const size_t *len, u8 *mac);
void hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
                 size_t data_len, u8 *mac);
void sha256_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 tls_prf_sha256(const u8 *secret, size_t secret_len,
                    const char *label, const u8 *seed, size_t seed_len,
                    u8 *out, size_t outlen);
 
#endif /* SHA256_H */