| /* Copyright (c) 2018, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #ifndef OPENSSL_HEADER_CRYPTO_FIPSMODULE_TLS_INTERNAL_H |
| #define OPENSSL_HEADER_CRYPTO_FIPSMODULE_TLS_INTERNAL_H |
| |
| #include <openssl/base.h> |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| |
| // tls1_prf calculates |out_len| bytes of the TLS PDF, using |digest|, and |
| // writes them to |out|. It returns one on success and zero on error. |
| OPENSSL_EXPORT int CRYPTO_tls1_prf(const EVP_MD *digest, |
| uint8_t *out, size_t out_len, |
| const uint8_t *secret, size_t secret_len, |
| const char *label, size_t label_len, |
| const uint8_t *seed1, size_t seed1_len, |
| const uint8_t *seed2, size_t seed2_len); |
| |
| // CRYPTO_tls13_hkdf_expand_label computes the TLS 1.3 KDF function of the same |
| // name. See https://www.rfc-editor.org/rfc/rfc8446#section-7.1. |
| OPENSSL_EXPORT int CRYPTO_tls13_hkdf_expand_label( |
| uint8_t *out, size_t out_len, const EVP_MD *digest, // |
| const uint8_t *secret, size_t secret_len, // |
| const uint8_t *label, size_t label_len, // |
| const uint8_t *hash, size_t hash_len); |
| |
| |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| #endif // OPENSSL_HEADER_CRYPTO_FIPSMODULE_TLS_INTERNAL_H |
