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/* Copyright (c) 2001, Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2019, 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 "lib/cc/torint.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) */
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