18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/*
28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * SHA256 hash implementation and interface functions
31f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi>
48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *
5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license.
6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details.
78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */
88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef SHA256_H
108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define SHA256_H
118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define SHA256_MAC_LEN 32
138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
1461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
1561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt		       const u8 *addr[], const size_t *len, u8 *mac);
1661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
1761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt		size_t data_len, u8 *mac);
188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid sha256_prf(const u8 *key, size_t key_len, const char *label,
198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	      const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid tls_prf_sha256(const u8 *secret, size_t secret_len,
211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt		    const char *label, const u8 *seed, size_t seed_len,
221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt		    u8 *out, size_t outlen);
238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* SHA256_H */
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