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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) 2007-2018, 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 "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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