tor/src/lib/crypt_ops/crypto_hkdf.h
Nick Mathewson 25ccfff86a Split crypto and tls libraries into directories
I am calling the crypto library "crypt_ops", since I want
higher-level crypto things to be separated from lower-level ones.
This library will hold only the low-level ones, once we have it
refactored.
2018-06-21 13:14:14 -04:00

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C

/* Copyright (c) 2001, Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file crypto_hkdf.h
*
* \brief Headers for crypto_hkdf.h
**/
#ifndef TOR_CRYPTO_HKDF_H
#define TOR_CRYPTO_HKDF_H
#include "common/util.h"
int crypto_expand_key_material_TAP(const uint8_t *key_in,
size_t key_in_len,
uint8_t *key_out, size_t key_out_len);
int crypto_expand_key_material_rfc5869_sha256(
const uint8_t *key_in, size_t key_in_len,
const uint8_t *salt_in, size_t salt_in_len,
const uint8_t *info_in, size_t info_in_len,
uint8_t *key_out, size_t key_out_len);
#endif /* !defined(TOR_CRYPTO_HKDF_H) */