1e5b75505Sopenharmony_ci/* 2e5b75505Sopenharmony_ci * SHA256 hash implementation and interface functions 3e5b75505Sopenharmony_ci * Copyright (c) 2003-2016, Jouni Malinen <j@w1.fi> 4e5b75505Sopenharmony_ci * 5e5b75505Sopenharmony_ci * This software may be distributed under the terms of the BSD license. 6e5b75505Sopenharmony_ci * See README for more details. 7e5b75505Sopenharmony_ci */ 8e5b75505Sopenharmony_ci 9e5b75505Sopenharmony_ci#ifndef SHA256_H 10e5b75505Sopenharmony_ci#define SHA256_H 11e5b75505Sopenharmony_ci 12e5b75505Sopenharmony_ci#define SHA256_MAC_LEN 32 13e5b75505Sopenharmony_ci 14e5b75505Sopenharmony_ciint hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem, 15e5b75505Sopenharmony_ci const u8 *addr[], const size_t *len, u8 *mac); 16e5b75505Sopenharmony_ciint hmac_sha256(const u8 *key, size_t key_len, const u8 *data, 17e5b75505Sopenharmony_ci size_t data_len, u8 *mac); 18e5b75505Sopenharmony_ciint sha256_prf(const u8 *key, size_t key_len, const char *label, 19e5b75505Sopenharmony_ci const u8 *data, size_t data_len, u8 *buf, size_t buf_len); 20e5b75505Sopenharmony_ciint sha256_prf_bits(const u8 *key, size_t key_len, const char *label, 21e5b75505Sopenharmony_ci const u8 *data, size_t data_len, u8 *buf, 22e5b75505Sopenharmony_ci size_t buf_len_bits); 23e5b75505Sopenharmony_ciint tls_prf_sha256(const u8 *secret, size_t secret_len, 24e5b75505Sopenharmony_ci const char *label, const u8 *seed, size_t seed_len, 25e5b75505Sopenharmony_ci u8 *out, size_t outlen); 26e5b75505Sopenharmony_ciint hmac_sha256_kdf(const u8 *secret, size_t secret_len, 27e5b75505Sopenharmony_ci const char *label, const u8 *seed, size_t seed_len, 28e5b75505Sopenharmony_ci u8 *out, size_t outlen); 29e5b75505Sopenharmony_ci 30e5b75505Sopenharmony_ci#endif /* SHA256_H */ 31