1/* Copyright (c) 2018, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15#ifndef OPENSSL_HEADER_CRYPTO_FIPSMODULE_TLS_INTERNAL_H
16#define OPENSSL_HEADER_CRYPTO_FIPSMODULE_TLS_INTERNAL_H
17
18#include <openssl/base.h>
19
20#if defined(__cplusplus)
21extern "C" {
22#endif
23
24
25// tls1_prf calculates |out_len| bytes of the TLS PDF, using |digest|, and
26// writes them to |out|. It returns one on success and zero on error.
27OPENSSL_EXPORT int CRYPTO_tls1_prf(const EVP_MD *digest,
28 uint8_t *out, size_t out_len,
29 const uint8_t *secret, size_t secret_len,
30 const char *label, size_t label_len,
31 const uint8_t *seed1, size_t seed1_len,
32 const uint8_t *seed2, size_t seed2_len);
33
34
35#if defined(__cplusplus)
36}
37#endif
38
39#endif // OPENSSL_HEADER_CRYPTO_FIPSMODULE_TLS_INTERNAL_H
40